Find deals on international flights to Denver

Find deals on international flights to Denver

Round-trip
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Boston (BOS)
Denver Intl
Fri 1/22
Fri 1/29
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Good to know

Low season

August Best time to beat the crowds with an average 5% drop in price.

High season

December Most popular time to fly with an average 20% increase in price.

Average price round-trip

$205 (avg. price over the last 2 weeks)

Good deal round-trip

$85 or less

Good deal one-way

$57 or less

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Top 5 airlines serving Worldwide to Denver Intl

Scores according to KAYAK customer reviews

7.7
Sun Country Air
Overall score based on 9,097 reviews
8.1
Boarding
7.6
Comfort
8.4
Crew
6.8
Entertainment
7.0
Food
Airline reviews

Cons: "My seat was hard and worn out."

Cons: "More room!"

Pros: "I liked the crew and the fact that I could reserve a seat. I also like that they use terminal A in the DEN airport and terminal 2 at MSP."
Cons: "The legroom was none existent, my seat was hard as rock, and it did not recline. Also, aisle seats have smaller under seat space than the other seats."

Pros: "No food nor entertainment, thus low ratings in those areas. You could buy snacks but I brought a granola bar to go with complimentary coffee, which was good. Hated paying extra for checked bag and seat reservations. Added $58 to fare but it was cheap."
Cons: "On time."

Pros: "The plane was actually a bit early in leaving which was nice."
Cons: "Could see baggage handlers throwing items on the conveyer belt. Always an issue to me. Like most flights these days, the seats were cramped but not as bad as others."

Pros: "Mediocrity is really the aim of an airline this tier, correct?"
Cons: "The hour delay, on top of an already 3-hour layover, in a terminal that wasn't even connected to the rest of the airport. The least you could do in a situation like this offer complimentary snacks to make up for it."

Pros: "Lots of room and I had an exit row. The staff was friendly."

Pros: "Everything ran smoothly"

Pros: "Every thing"
Cons: "Don’t know yet"

Cons: "Flight Attendant skipped our row when offering drinks. No wifi, no entertainment, no snacks. Paid $25 to check one small bag."

Pros: "leg space OK"
Cons: "we were moved to a different gate for boarding. Then the flight ahead of ours had mechanical problems and we were informed of a 1 hour delay. Then we were moved back to our original gate. There were some elderly folks who were quite confused and other passengers had to help them understand the changes."

Pros: "Friendliness, clean aircrafts, leather seats, larger seats, tray tables, on time, willingness of ticketing agents to move your seat"
Cons: "No snacks (free), must pay for a seat"

Pros: "As to be expected, the cabin was crowded. The flight attendants were great and the service superb."
Cons: "There was a three hour delay, perhaps due to weather. The late plane arrived, as expected, at 1 pm, with a departure time of 1:40 pm. Including a needed ten minute de-icing procedure, we actually took-off at 2:30 pm. I never found out what caused the three hour delay."

Pros: "friendly fast and efficient!"
Cons: "Sitting in the back of the plane!"

Pros: "Friendly attendants and an on time departure. Flying terminal 2 in Minneapolis is easy and much less crowded."

Cons: "It was too cold."

Cons: "Flight was an hour late. Unprofessional staff."

Cons: "They wouldn't let me on the plane. See about"

Pros: "Direct flight at a great price."

Pros: "Always a pleasure to fly Sun Country"

Cons: "I was one of the last ones to check in on a flight I had already purchased a ticket for in economy seats but had to pay $15 extra at check in for an economy seat. Paying extra should be if I want to upgrade a seat and not for a seat in an area that I already paid for. This was definitely not an upgraded seat. I will avoid flying Sun Country in the future."

Pros: "2nd leg of flight... Again, Everything was great, no complaints. The roomy, leather seats made the 21/2 hr flight easy. The crew was very respectful and professional. The way flying is suppose to be. Thank you. John"
Cons: "No complaints."

Pros: "I always have a good experience on Sun Country."

Cons: "small seats and when we go into the air there were plenty of seats to spread out. The crew should have announced that it would okay to disberse."

Pros: "Great service amd friendly"

Pros: "Flight went on time, the price was great, Appreciated the complimentary beverage, The crew was nice"

Pros: "Quick smooth flight with professional service, would recommend."
Cons: "It was impossible to find a dog carrier that was up to your standards. I ended up settling for something last minute. It would be nice if pet standards were more clearly identifiable."

Pros: "courteous staff"
Cons: "Delayed due to weather. Not much to do there."

Pros: "Great price Easy reservation to make Well organized at the gate and with boarding On time"
Cons: "I did not find that I had any input as to seat selection"

Pros: "Flight was better then expected."

Pros: "Friendly staff. Helpful. Accommodating."

Pros: "The smooth boarding and friendly flight attendants"

Pros: "would absolutely fly Sun Country again! Clean plane. on time. last minute flight was an awesome price!!"

Pros: "Easy check-in at ticketing."

Pros: "Thank you, SunCountry. This was our first time on your airline and I could not have been more impressed. The process was smooth, simple and extremely timely. Also appreciate the allowance of a carry on at no extra cost. The staff was pleasant and kind. We really enjoyed our experience."

Cons: "Didn't get to Denver via Sun Country, please see previous."

Pros: "Short and smooth"

Cons: "Because we booked through a third party , kayak, we could not pre-check in online"

Cons: "We never got off the ground because of mechanical problem. I was sent back to the terminal where I waited in line for 2.5 hours. Finally SC put me on a different airline on a flight that left 12 hours later. No compensation for food or other costs incurred as a result of this problem. I understand that things don't always go right but it is important to provide good customer service on those occasions. SC failed me."

Pros: "The aircraft was convenient"
Cons: "The flight was delayed for an hour and then the bagging claim took too much time so I missed my bus."

Pros: "Everything about the experience was good. The airplane was comfortable and clean."
Cons: "Nothing"

Pros: "As a tall person I was very pleased that there was enough leg room for my legs to be comfortable. Not only that but the flight left even before it was suppose to, which is also very nice."
Cons: "The food wasn't free, but that was expected."

Pros: "The staff was exceptionally friendly on this flight."
Cons: "Well I am a big guy so not much room but that is with most airlines"

Pros: "the crew"
Cons: "no food"

Pros: "So friendly"

Pros: "The 2+2 seating in first class is a very nice change from coach. The employees are very nice and knowledgeable. The price break between checked bag fee and free checked bags of first class make it an easy decision to fly first class."
Cons: "The seats while having more room were uncomfortable for a 6'4" tall person (headrest digging into my shoulders and an odd lumbar section that seemed to be designed to give you back pain. However, the return flight seats on a different plane were incredibly nice and reclined more."

Pros: "On time. Easy boarding"
Cons: "Seats are cramped"

Pros: "great staff and excellent airline. well run"
Cons: "entertainment option on board is a joke"

Pros: "On time"
Cons: "N/A"

Pros: "1st class flight attendant sat through the entire flight (except for offering drinks and food early in flight). There were passengers NOT wearing masks through the flight but she wouldn't know that since she never left her seat"
Cons: "just about everyting"

Cons: "In-flight movies were broken the entire flight. There was no way to charge a phone or laptop despite the 3+ hour flight time. My 45 minute hopper from RDU to CLT had both plug and USB. Additionally AA does not offer free messaging."

Cons: "The plane we needed for our flight arrived really late so our flight was then of course delayed."

Cons: "The seat went back three inches. I was about to spasm after 4 hours. No movement whatsoever. The flight crew could have moved me but I suppose they were told not to as I had a cheap ticket."

Cons: "Flight was delayed so had to drive to connecting city just to make it home."

Pros: "David took really could care of our cabin. Likes his cheerful attitude. He was excellent. Hope you let him know."

Cons: "crew coming in from another flight was late. Then, according to announcement our plane had been sitting 2 hours and they would have to call for power. It was already a late night flight, now delayed 1 1/2 hours leaving. The plane interior was hot, that helped with our displeasure."

Cons: "Boarding was delayed 30 minutes, with no explanation. Upon arrival, another airplane was in our gate, resulting in an additional 30 minute wait, buckled in my seat on the tarmac."

Cons: "No accommodation for delays and overnight stay in airport."

Cons: "The seats were so close together! I was between two men, and one was spitting tabaco into a cup. It was terrible."

Pros: "The crew was nice."
Cons: "We had to walk outside to board the plane. My husband has two bad hips and we had to walk up a flight of stairs to board the plane. The plane was extremely small and our sits were located in the rear of the plane. The bathroom had an unpleasant odor."

Pros: "Attentive and friendly crew."

Cons: "No power outlets or USB ports on a 5+ hour flight. Not great for business."

Pros: "Flight was on time and prompt."
Cons: "Stayed on the run way for a bit"

Pros: "Flight was good, there was no entertaiment, so i put one, but the flight was only almost 4 hrs. At night."
Cons: "I like the service I got and the service I got. I have back surgery and walk with assistance and the lady that helped me a the the birding desk took care of my needs and it was so much appriciated.. Thank you."

Cons: "30 minutes late taking off. Therefore arrived late."

Pros: "The flight was delayed by more than two hours which caused us (me, wife, 4yo, and 7mo) to miss our connection from LAX to HNL. We had to stay the night in LA and take a morning flight to HNL. But despite the delay, the gate agent in Charlotte did a good job of updating people and remained very polite even when it was clear people were getting frustrated and starting to get sharp with him. Pilots did a good job of trying to make up as much time as possible. I can't remember how much time they shaved off but I think it was more than 20 minutes. Customer service in LA was solid too. Went to CSD to get our tickets changed. They had already changed our flight to a 8 AM flight. We asked if we could take a later flight because of the kids and he was able to accommodate. They also gave us vouchers for 3 meals and a night at the Holiday Inn. Having a delayed flight is never fun but the AA staff was amazing throughout."

Pros: "On time Friendly attendants Great service Mike in First Class was awesome"
Cons: "No complaints"

Cons: "AC didn't work and no beverage service or WiFi"

Pros: "Pretty much everything! Great service, staff was friendly, courteous, smooth trip."
Cons: "Not a thing!"

Pros: "Tv and power outlets"
Cons: "This one attendant didn't get her name but was very cold to me"

Cons: "Middle seat and one of the last ones on. Enough said"

Pros: "Im very upset with the flight"
Cons: "What you guys did its unfair I paid for a reservation. The way you run the business its not right"

Cons: "plane had mechanical problems - new plane and gate and an hour delay. - first drink should have been free"

Cons: "British airways?"

Pros: "The flight crew was great and it was a very smooth landing."
Cons: "Had to pay extra for seats so we could sit together, near the front of the plane (not really, and no bathroom nearby, very small seats with zero legroom). we were delayed twice (40m then 1h10m) then told to go to a different terminal because now our flight WAS leaving on time! so we hauled over there only to be delayed again several times. we know it was a weather thing, but just wish there was more accurate info about when we would actually take off. seats on outgoing flight from SFO to CLT were GREAT, very roomy, comfortable. Coming back- not so much."

Pros: "Good serice,"
Cons: "Good service to switch flight pattern from greenville to new bern but still a delay that cause a 2 flight connection. Lots of on-line issues with check-in, overall a stressful day, hopefully it will all work out!"

Pros: "Nothing"
Cons: "Everything"

Pros: "Smooth"

Pros: "Was up to standard for everything. nothinf lacking, not exceptional"

Cons: "I can't rate it because they canceled my entire itinerary without so much as an email. I did not take my flight to Wilmington via my original flight. I had to book another flight because the change fees were too expensive. I did not know that my return flight to Denver had been canceled until I was checking in a few hours before my flight. I was told my ticket had no value. Awesome! It really stings that I then had to book a new return flight, and because I am a teacher who makes about $23,000 a year, I had to book the cheapest flight, which was with American. I do not plan on giving them any of my hard-earned money in the future if I can help it."

Cons: "Unexplained 45-minute delay on second flight."

Pros: "Everyone operated fast and professional"
Cons: "Nothing"

Pros: "Everything"

Cons: "Boarded small plane too early Air conditioning did not work...sweated whole flight No beverage service seats too small for an adult, and I am only 5'-5""

Pros: "All went well with the exception the crew was late"
Cons: "Crew was late"

Pros: "No excuse on a night flight does the temperature to be 80 plus degrees on the plane."
Cons: "The plastic seats and extreme temperature was brutal. They shut the AC off of down somehow."

Pros: "The spaciousness of the seating on AA is tops bar none"
Cons: "The cookies and it was cold. Jesse"

Pros: "Updated interior. Comfortable chairs. Friendly staff. Pilot communicated well."
Cons: "No charging capabilities for devices. Limited food options."

Cons: "The seats were cramped and uncomfortable. The entertainment options are very limited on a cross-country trip. I also don't see how there are no charging options at all."

Pros: "the flight attendants were very professional on this flight. the lead attendant was very personable when giving announcements and going through the safety procedures on the public address system. the other two attendants were also very professional in their services as well."
Cons: "flight 1920 was almost an hour late with boarding. I am extremely upset because I paid an extra $75.00 on day of to get home earlier but ended up getting home at the same time that I would have on my original flight because the flight was late and I missed my shuttle because 1920 was late boarding. I should be reimbursed SOMETHING for my inconvenience...especially after paying $75.00 extra for an earlier flight."

Pros: "I think they were holding the plane for a connection flight arrival."

Pros: "The plane was sleek and clean. I had a good amount of room even in coach!"

Pros: "It was a fairly routine flight. Could use a more substantial snack for a four hour flight."
Cons: "While waiting for our baggage in Phoenix, we noticed a few random bags with tears, rips and clothes hanging out. Then we saw our suitcase. The zipper was torn away from the lining so that it no longer closes all the way. There items hanging out of the gap. What was happening in the basement that caused at least 4 damaged bags?"

Pros: "Del"
Cons: "Delayed an hour. Don't think I've had a single American flight on time. No food or movies on international flight. No blankets or pillows."

Pros: "Flight was good overall , free pretzels were tasty. Drink service on point."
Cons: "Crew came off as annoyed the whole time. Glad I didn't pay the $$ to upgrade my seat."

Cons: "Unexplained delay in leaving but only arrived about 10 min later than scheduled. Took an hour from pulling into the gate for bags to arrive though which caused me to miss my shuttle. Never had to wait more than 15 min for any other airline at DIA."

Cons: "They did not check the toilets before we left so we were diverted to St. Louis and I arrived in charlotte 3 hours late"

Cons: "I was delayed out of Newark due to the arrivung flight coming in late. When i landed in charlotte, i sprinted across the airport and missed the connection by 2 minutes. Rules are rules, i understand thwy cant reopen the flight for me. It happens. The frustrating part was when aa refused to comp me a hotel room. I got a voucher for a discount. The discount worked out to be 6 dollars. Not a pleasant experience."

Pros: "Arrives early Always on time Quick flight"
Cons: "Small plane No beverage service"

Pros: "Cookies"

Cons: "I appreciate the in-flight entertainment idea, but the execution leaves something to be desired."

Pros: "The Way the customer service guy, Derek, handled the situation in Denver, CO, was excellent I'd really give him a star, went above and beyond my expectations. Put me on the next flight and gave me a food voucher."
Cons: "The first flight got delayed, was supposed to work night shift, was late, had to call in sick, and not sure what my manager will do after this."

Pros: "The leg from Denver to vegas was awesome"
Cons: "The first leg didn't have any snacks and a cold continental breakfast. American and Delta's breakfast is much nicer. But worth the price for that portion of the leg."

Pros: "The agent in charlotte. Due to my delayed flight which caused all my other flights to get re-booked - she went above amd beyond to help get me on a flight with my friends"
Cons: "Almost everyrhing - first flight delayed which caused all my flights to get rebooked. Was told when I flew feom charlotte to phoenix connecting flight would be at 1:59. Landed and found out delayed for 6 hrs. Should have originally arrived in Honolulu at 5:30, disn't get there till 1:00 am their time. Ridiculous -"

Pros: "The flight attendants were excellent! They really communicated with the passengers regarding connecting flights and flight time delays."
Cons: "Way too small and skimpy seats, I felt like I was in a jump seat getting ready to jump out with a parachute!"

Pros: "Nothing"
Cons: "Our flight was delayed 1.5 hrs due to lack of communication, leading me to miss my connecting flight by minutes"

Cons: "The delays all day!"

Pros: "Crew was friendly, flight arrived early after leaving late, more leg room than expected"
Cons: "Seats were very, very thin."

Pros: "Best flight attendants!"

Pros: "The flight was snooze and the flight staff were friendly!"
Cons: "N/A"

Pros: "Courteous staff."
Cons: "Feet were so cold on the entire flight."

Pros: "Nice plane with leg room"
Cons: "The guy at the boarding counter in Billings was really rude! Maybe he just had a bad day but a zero in customer service, in my opinion."

Cons: "My TSA Precheck status would not print on the boarding pass. My number was in the system. I've used it multiple times flying UAL."

Pros: "Free movie on flight to Denver was nice.... Free movies and internet was nice because I didn't have to dig around for a credit card and you pay enough for tickets anyway, that it SHOULD be free. Its there for one person, EVERYONE should be able to use it. So it was a nice perk to kill time! Boarding was awesome, but only because I have a handicap"
Cons: "I just don't like my soda poured from a can into a tiny cup....Just give me a cold can of soda for the 3 hours....geez."

Cons: "Apathetic non communities. Felt like it was part of a herd. They cancelled my flight and had to miss work"

Pros: "She was very understanding to my 37 minute layover in Denver and upgraded me to seat row 11 from seat row 31 to make sure I could get off the plane quicker. Very much appreciated and why I always fly United with my MilagePlus card. I had been on vacation for a week and had to be at work the next day."

Pros: "Seats were nice and crew was friendly"
Cons: "It wasn't their fault but we did have to land at a different airport due to weather, but it showed that the crew took safety first"

Pros: "Agents checking baggage were unbelievably slow. Good thing there wasn't a long line."

Pros: "Fast getting my seat assignment. The guy at the gate counter was nice and courteous."
Cons: "TSA line was ridiculously long. Only one checkpoint open for the entire terminal."

Pros: "The crew was courteous and nice. Due to a 2+ hour delay we had free movies on the flight."
Cons: "The fact that our incoming flight was delayed more than 2 hours."

Cons: "Elisa??? the customer service rep in the PSP airport was very unwelcoming and abrasive. There was a $49.00 service charge added on to my boarding pass. WHY??? I did not ask for any extra services. Please reimburse me. Thank you. The flight was delayed in taking off by 25 minutes. No communication from crew about the problem until 5 minutes before taking off. Updating passengers would have been appreciated."

Cons: "No cash food and beverage"

Pros: "That trip was great to Housto!"

Cons: "A little crowed and not near enough leg room."

Pros: "Great wheelchair service for my disability."

Cons: "My flight was scheduled to leave at 4:51 pm. I arrived at the airport 2 and a half hours before my flight was to leave and I read the departure board to see that the flight was delayed due to maintenance. Then I saw that it was delayed again because we were waiting for a flight coming in from the Bahamas. Well my flight didn't take off until about 7:30 pm. I arrived in Denver around 10:00 pm which made me miss my shuttle to the Springs. I am a diabetic and was in need of my medication so I needed to get home. I spent extra money to take a bus to downtown Denver and a grayhound bus to the springs and a cab to my home. So my trip cost my an extra $55.00 dollars I didn't have. I have always taken United but after this experience, I will never again take United."

Pros: "Nowadays the gate closes 10 minutes before takeoff which really helps get the plane off on time as we can make connections. Some may not know this and find it frustrating. As a regular traveler I appreciate the move."

Cons: "Absolutely no leg room. Much less than most major airlines."

Pros: "I liked that 1 out of our four flights had more room & personal tvs."
Cons: "I did not like the fact that out of our four flights three were not too comfortable... & no tvs on three out of four"

Pros: "There was a wonderful man named Mr. Hanson that helped me tremendously. This was the first time ever to fly and I was tremendously scared. He made my experience wonderdul. I intend to fly more often now. Thank you for hiring someone that loves his job."
Cons: "The seats on the layover flight were over booked. If Mr. Hanson had not of taken care of me on my my flight I would have had a different outcome on flying."

Cons: "Flight was cancelled multiple time customer service was terrible"

Pros: "The flight attendant gave our baby a banana, which was super sweet."
Cons: "The flight was delayed for an hour and they turned off the AC for 20 minutes of that, which got uncomfortable."

Cons: "Plane was delayed. Missed connecting flight. Rerouting made a one stop flight into a 2 stop overnight flight. Reached my final destination 15 hrs late."

Pros: "None"
Cons: "No refund for my resheduling of flght. I has a valid reason with a valid documentaion"

Pros: "Flights were on time..."

Pros: "After the first two delays, they upgraded me to 1st class, it was lovely. They offered nuts and water while we waited. The pilots and crew were nice."
Cons: "Every plane was delayed so much that I missed all my connecting flights. The first one was because they still had plane maintenance to do (3 & 1/2hour delay) The second, they forgot to transfer the the log book when it was full and they had to scan 26pages while we all waited with a bunch of pissed off business men who were yelling and booing the pilot:(. The third flight was delayed so much that I couldn't fly out till the next day."

Cons: "Customer service via phone was unhelp and kind of snarky. She knew I was several thousand miles from home trying to get back, but wouldn't arrange for me to get on a different plane without a $650 fee. Another airline would have bumped people off their flights so I could get hiome. I was not pleased that my missed flight couoldn't be accommodated reasonably. Apparently my ticket was wroth nothing..."

Pros: "everyone was quick, efficient, and customer oriented. seats were comfortable and the snacks were nice."

Pros: "Getting home"
Cons: "Delays delays delays"

Pros: "Hassle free booking(no hidden fees) comfortable seats which for me being 6foot6 isn't always the case. And the free selection on the united airlines app was an awesome bonus"

Cons: "I don't like small crowded planes. You get off at gate 50 and have to race to gate 20 to catch your next flight."

Cons: "The cold air near floor"

Pros: "I like that all flights were ontime"
Cons: "The flight attendant was rude to passengers and my luggage was lost so I arrived at my destination with nothing!! I had to wait at the airport for 6hours for my luggage to be returned to me!"

Pros: "Flight attendants were sweet everything went smoothly."
Cons: "unloading was a bit difficult in such a tiny space; but it is a small plane ."

Cons: "My TSA wasn't tagged to my ticket"

Pros: "NOTHING!!!!!"
Cons: "The plane never left we sat in the plane for a 1 hour and 30 minutes before they told us to get off .. Then they kept saying the plane was leaving up until the time I Miss my connection flight .. Then they make it seem likes its your fault... NEVER AGAIN !!!"

Pros: "The flight was very ontime and very comfortable, I had an excellent experiance with United"

Cons: "Overcrowded, rude attendants, and attitudes. Was told my carry on was to be checked in due to overcrowding and I counted 9 yes 9 openings in the overhead compartments as I approached my seat. Delayed flight, 15 minutes to get to next flight and was not helped to get to the other end of the airport"

Pros: "Complimentary beverage and snack"
Cons: "Had to stay about 30 minutes in the plane after it has landed. Almost caused everyone late to the connection flight."

Pros: "What I liked? That the flight ended and I could get off the plane."
Cons: "They charged to pick seats. They charged to carry on a bag. They charged for any drinks. The seats had NO padding. The seats didn't recline. The gate at O'Hare was dark and dirty. The travelers in my flight would have scared the residents of Mos Eisley."

Pros: "Fast boarding and that's the only good quality. No refreshments or snacks offered without a price tag included. Seats don't recline. Uncomfortable hard seats without any head rests for Support. Small tray tables that won't hold a laptop or drink."
Cons: "It's been 45+ minutes after landing that we have been stuck on the runway unable to dock the plane due to some delays. How Terrible is it that the pilot gets on the radio to say he has no updates or much information to give! People are antsy, children crying and this delays all passengers with other accommodations. Seems like there's no communication or organization from Frontier at all!!'"

Pros: "Getting off the plane"
Cons: "Being in the plane"

Pros: "It was cheap. The boarding was smooth. It wasn't overbooked. There was space for my carryon. Crew was nice. Was on time."
Cons: "No free beverage. Small seats and no leg room. Not happy about the carryon charge but whatever."

Cons: "I had broke my phone coming from a music festival so i had no way to call them, traffic and construction made me miss my flight by 20 minutes and they would not help me get another flight or refund my money"

Pros: "Nothing was positive while using Frontier Airlines"
Cons: "Everything was pretty unpleasant: 1.) hidden baggage fees ($45 round trip would be one thing for a CHECKED BAG, but $90 collectively for the round trip is FRAUDULENT) Especially when most airlines don't charge for carry on bags or it's at least calculated in the final cost. At first when I booked this trip with FRONTIER $180 for my tickets looked like a decent deal, UNTIL I WAS TOLD AT THE COUNTER THAT I HAVE TO PAY $45 each way for a FRIGGIN CARRY ON BAG!! turning my reasonable and anticipated $180 trip turned into almost a $300 (NEARLY doubled my cost!) had I known I could have at least packed more into a checked bag for that price. 2.) my flight was delayed 4 hours on my outgoing flight, cutting into my personal time off and no compensation or even a kind gesture like a free McDonald's sandwich when you land...you guys really have poor quality and seem like you don't really care about the paying customer 3.) staff seemed clueless and didn't know how to answer customers questions as to why our flight was delayed!! 4.) mechanical issues with plane were the cause, or at least that's what the copilot or captain Just HAD TO MENTION TO US RIGHT BEFORE TAKEOFF, causing everyone to stir and raise eyebrows. 5.) to top off him mentioning the mechanical issues they were having with the plane the flight was rough..I've never been more tense or anxious on any of the other 30+ flights I've taken in my life. Pilot didn't seem to know how to handle turbulence."

Pros: "price, updates and friendliness"

Pros: "Crew was very pleasant. We were able to board easily. Like the newer seats that don't take up so much space so there is more leg room."
Cons: "Cabin was freezing, until one of the crew came back and adjusted it."

Cons: "Seats are hard and our row was not allowed to recline. Late take off and late landing, plus we did not have a gate for 20+ minutes after landing. Crew acted like they wanted to be somewhere else."

Pros: "Easy flight"
Cons: "When I booked no option to pay for luggage. Had carry ons. Very expensive. Felt that was a bit of bait and switch. Lots of extra charge for carry on. I would have packed lighter and brought less had it been clear. Cost me an extra $75 each way"

Pros: "Best Frontier experience I've had in a long time. Everything was very good and despite a delay getting the plane to the gate in Chicago, we were able to make up almost all of the time!"

Pros: "attendants were friendly, patient and in good humour."
Cons: "cramped, no room. high priced snacks and bevs,"

Pros: "The price and schedule choice"
Cons: "They try to trick you into buying other things and speak in a condescending way on the website. There's no entertainment not even a magazine. The seats which are super ridiculously tight don't recline and there's no cushion for your head. You have to pay $3 for a soda and the batteries are so small you can barely fit which is great when there's pee all over the floor. The outbound flight was delayed over an hour with no explanation and perfect weather. When I asked for more water in the tiny cup, she poured it half way. I guess they are really trying to save money. Makes me wonder they took shortcuts on safety to save a few dimes."

Pros: "a smooth ride. we left a half an hour late."
Cons: "paying the carry on fee"

Pros: "Overall quickness and friendliness of staff."
Cons: "No free food."

Pros: "O'hare airport."
Cons: "I was unable to print a boarding pass at one of the many kiosks - it informed me I needed to speak with a Frontier agent. The line for the agents was about 2 hours long, too long to wait to make the flight. After being told by a frontier employee that I'd just want to get in to the line to rebook on a later flight (9 hours later) I proceeded to speak with a momentarily vacant agent who, helpfully, printed and handed me my boarding pass. I arrived at the gate to a closed door and ended up needing to rebook anyway. I decided to just not go on the trip.... wasn't worth having to deal with Frontier 2 times in one day."

Pros: "I like averything about timing and been punctual."
Cons: "You have to pay for everything! The seats are uncomfortable. They should have at least free WiFi, so you feel the pain of the seats!"

Cons: "Short-staffed, so short tempered workers.kiosks did not work. Nickled and dimed on everything. Like flying in prison. No light and a cold hard bench seat. Awful."

Pros: "I really liked the brand new and updated Airplane. The fit and finish was quite nice and the electronics and lighting were nice."
Cons: "The crew was poorly trained in virtually all aspects of their duties. They had no coordination among themselves and ran around like a bunch of chickens with their heads cut off. One attendant yelled at a passenger at one point. They kept turning the lights on and off abruptly and made a HUGE deal about throwing away the trash because otherwise they will get stuck doing it all. The intercom system was also abused as the attendants made, at times foolish announcements, with a different attendant speaking almost each time. One would almost yell while another would speak very softly. The intercom system and speakers on this plane, particularly from the cockpit, when the captain spoke, sounded like it was from the Vietnam War era. For a brand new airplane, this was a disappointing shortcoming in the technology. We experienced excessive turbulance for the majority of the flight as well. I do not know if this is something the pilot is able to overcome but on this flight, it certainly was an issue as i almost had to vomit from all the very abrupt and excessive motion. I would not rate this as one of the better flights i have been on."

Pros: "Seats were more comfortable than I expected"
Cons: "Flight was delayed more than 2 hours."

Pros: "Little"
Cons: "Seats are aweful. Charged bags, especially carry on are deceptive. Flight late"

Pros: "They are charge me for carry bag $40"
Cons: "They are charge me for carry bag $40 I book and pay online ticket $60 only Thank tto"

Pros: "That I got home."
Cons: "The horrible seats, no space, everything has a cost from soft drinks to carry-on. The one inexpensive flight ended up costing another $86 and that wasn't any food or drinks. Additionally when you check in they lead you to believe you HAVE to buy a $9 seat because nothing else is available when on reality, if you don't pay the seat costs 0 at the gate. Never again Frontier!"

Pros: "The crew"
Cons: "My flight was over three hours late. There was no compensation for anything, as well as no explanation as to the delay."

Cons: "delayed two hours and were not kept updated, checked suitcase was torn when we picked up at baggage"

Pros: "Nothing"
Cons: "Worst customer service"

Pros: "This flight was ok but my history with frontier airlines is awful. I only flew them because it was the only option."
Cons: "Lack of customer focus or care. Hidden fees for everything."

Pros: "nothing"
Cons: "the fact that i was delayed more than 5 hours on the departure and more than 1 hour on the way back. Why is there an option for entertainment when none is provided? Also you need to pay for the food"

Pros: "I liked the price of my ticket. Not having complimentary food and drink was OK to maintain the low ticket price."

Cons: "Seats are not conftable"

Pros: "Crew service"
Cons: "Free drinks and Snacks weren't provided"

Pros: "On time, friendly and affordable prices"
Cons: "Not very clean, the airplane was messy"

Pros: "The price of the ticket"
Cons: "The seats were awful, no padding what so ever!!!!"

Cons: "3 HR unknown delay"

Pros: "The flights were great. Left on time and arrived early!"
Cons: "Nothing"

Pros: "Good flight"
Cons: "Just remember, you get what you pay for. My flight was $148 from Denver to Chicago on Frontier."

Pros: "Flight attendants were nice no different than any other time I have flown on a plane"
Cons: "There were 2 small girls 3 seats in front of me and they screamed at the top of there lungs for most of the flight. Neither one of their parents seemed to be really bothered by it and so I think the flight attendants should have put an end to the screaming since the parents wouldn't. Also the kid that was sitting in the seat in front of me threw up and it dripped though his seat and onto my bag"

Cons: "Bad experience overall"

Cons: "The boarding and exiting process was unapologetically slow. The cabin was super hot the entire trip and didnt feel there was enough circulation. There seats are horrible. The staff only came by once and completely skipped me and when i flagged here down, she was very annoyed."

Pros: "Initial cost of flight. Later disappointed that it was as expensive to check three bags."
Cons: "Seats were uncomfortable, mere plastic shells compared to other airlines and seats in our area did not recline. Very little legroom as rows seemed to be compressed. Being told we had to pay for checked or carry on luggage on-line so we checked three bags since we had to check one anyway. Then noting other passengers getting on the flight with bags they were putting in upper compartment without seeing how it had been verified that they had paid to bring on luggage to put in the overhead. I feel like a schmuck for paying for bags when it did not appear anyone was checking to see who paid and who didn't. Not even soft drinks were free."

Pros: "The flight was great and everything leading up to the luggage pick up was good. The flight landed a half hour early and the flight left on time. Getting the luggage took an hour and a half and they sent us back and forth between two different pickup locations. What should take 15 minutes took much longer than desired."

Pros: "2 of 2 trips, over an hour late due to time sitting on the tarmac."

Pros: "Easy check in, we took one check in bag instead of three carry-ons and paid online to keep the price under control."

Cons: "Had to sit to wait fr long time to get to arrival gate after landing"

Pros: "Same as many other reviews, upset I had to pay extra just to select not a premium seat, but literally a seat on a flight I already paid for & pay to either check a bag or carry a bag on. I'll never fly frontier again & probably never book through kayak again either."

Cons: "Frontier airlines. Rigid and unable to admit that they made a mistake. Caution towards anyone who flies with their special low discount rates. Many opportunities were taken by company to recover discounted fare (and I am not referring to any baggage costs) Besides money, they ruined a special weekend through delays. Think twice! In fact, my comment is in reference to customer service in general. Everything is a fight now. I'm not a screamer, I'm rational. I laid out,clearly, where their policy was contradicted and that some empathy was in order and in the process was hung up on once and have not received a reply to my last email. If you gave no intention to achieve quality customer service, why pay for the department? Maybe they don't."

Cons: "Lost my luggage and people at check in were rude"

Pros: "Funny crew. Did not crash."
Cons: "Cramped, all the charges and steps involved checking in the day before."

Pros: "seat dont recline"
Cons: "pay for every thing even a drink seats dont recline"

Pros: "The crew were friendly and helpful"
Cons: "(a) No wifi (b) Being nickled and dimed for too many things (c) really uncomfortable plane. Even the $30 premium seats are terrible and don't recline If I had known about carry on and seat assignment fees I would have just flown on a different airline because there would have been no difference in price."

Cons: "Spirit does not provide any complementary snacks or beverages and does not provide any entertainment devices for its passengers. Their seats do not recline and they have very little room in the regular economy seats. I expected all of this when I booked this ticket but those who don’t know should."

Cons: "I purchased one checked bag online the morning of the flight. It was not found in the system so I was charged the rate for checking at the gate. I also understand bare bones operation but would have appreciated the offer of a cup of water. Thanks. Rose McGlinsky"

Pros: "Quick and easy flight"
Cons: "Could not enter the gate, waited on the tarmac after arriving for a long time with rude flight attendants."

Pros: "The crew was fun. I didn’t want to buy a $2.00 bottle of water on my card. Seats are to crapped."
Cons: "Crew"

Pros: "I liked the fare."
Cons: "The seat was worn out. The check in isn't user friendly. The attendant was stern"

Pros: "Good value"
Cons: "Flight attendants need to make it clear that all refreshments are for sale, not free Flight was 30 minutes late"

Cons: "This airline takes forever once you are seated."

Pros: "A ticketing agent showed me how to use the boarding pass kiosk. No delays. Smooth landing under less than ideal weather conditions. Must have been an Air Force pilot."
Cons: "Cramped seating. My 6'+ tall sons would have been uncomfortable. Expensive adult beverages."

Pros: "It was entertaining. A flight member made it fun."
Cons: "Cramped space."

Pros: "I had very low expectations of Spirit Airlines... from their reputation and things I read online. But my family and I had a GREAT experience yesterday. Our bag check process went smoothly and the staff was very courteous. Everything went smoothly for boarding and my husband, my son and I all sat together in the same row. Everything couldn't have went smoother and i really wondered what all the fuss was about Spirit airlines??? We had a really great experience and would do it again. Can't beat the price, even if you pay to check a couple of bags ahead of time."

Cons: "Seriously the worst baggage fees in the industry. Never again."

Pros: "Nothing."
Cons: "At least they didn't try to sell us again on the credit card."

Cons: "Late 2 hours looking for additional mileage to add to my spirit credit card"

Pros: "Nothing"
Cons: "I did not like the fact that I paid my ticket 2months in advance, and when I got to the airport 2hrs early, I was told that I was late and the plane was already full. How can it be full when I had a two months reservation? It seems like they sell the same seat to more than 10 people and then they gamble on the first person to sit in it. How can a company that is run by a human being be so greedy? I have learned my lesson. There were 4 more people who the same problem as I. When I called Customer services, i was told that there is nothing that They could for me because they are not at the Airport with. I asked if they could put me in another flight and they refused saying that I have to buy another ticket. What I do not get is why Spirit is still in business? Someone warned me about them, but I thought that maybe it was that one time, but I was disappointed big time. My sister lost a baggage with spirit 2 years ago and they never helped. Spirits have lost me as Customer and I am sure that I will not be the only one. They make their tickets cheaper to lure people into buying them, then they still their money without even thinking about humanity. I had to buy another ticket and I am flying tomorrow. Worse company ever. They do not deserve to be working with people. People should never trust Spirits, it is beyond the worse."

Pros: "There were no delays."
Cons: "Nothing"

Cons: "Seriously stop losing my luggage"

Cons: "Did not like that it feels like a bait/switch to shop for flights, then highly up charged for things that should be included. Like being charged to check in... Isn't that covered when a ticket is purchased?? I purchased through Kayak and find out later that we can save money by doing everything ourselves online or at kiosk. Then watch all staff sit around and socialize while we over pay. Why have a staff at all? I had to pay to sit in exit seat then asked to assist in emergency. If occupying those seats... Why do we have to pay extra? I guess not what I had in mind. I will choose different airline next time. I paid more to fly my bags than it cost to fly myself. Don't understand!"

Pros: "Crew was funny"

Pros: "On time, great crew, what I expected"

Cons: "All the extra charges Seats didn't recline Beverage service for purchase only No free water Delayed flight"

Pros: "Was expecting the worst… I had heard terrible things about spirit airlines… There was no legroom the service was terrible etc. etc. But, I couldn't have been more pleasantly surprised! I've never had pilot we was so knowledgeable about the geography and so informative. Also, there was a LOT of legroom!! (and I was seated in the next to the last seat in the very back of the plane). I think more than Delta...which is the airline I have always flown."
Cons: "Nothing...actually there was nothing not to like!! I got what i paid for… No frills and that's just fine. very friendly staff, very efficient, and absolutely on time. Will definitely fly Spirit Airlines again! Thank you Ned's kids"

Cons: "Gate agent had no information on filght length or arrival time. Flight was delayed but we had to stay by gate incase they left sooner. So coudn't get food, etc. WORST airline ever. My first and last time flying with them."

Pros: "The staff was far from. animatronic, very friendly, and the seats where far better than any other plane I've been on. Overall awesome experience."
Cons: "I didn't find anything wrong with my flight this time. Good work!"

Pros: "It was on time"
Cons: "N/a"

Pros: "Nothing"
Cons: "On my way back, they charged me $100 for a carry on. Even though I've never been charged for that same exact piece of luggage ever before by them multiple times in the past - including my trip going to my destination. Horrible service by Spirit airlines, will never use them, or recommend them ever again."

Pros: "The landing was one of the best I've ever experienced"
Cons: "Legroom was lacking"

Cons: "It was a pretty bumpy ride, nothing the crew could do about that."

Cons: "40lbs for a bag is a joke. They do everything they can to up charge the entire step of the way, hidden fees galore. No mobile Website is pathetic. The fact you have to print off your own boarding pass is archaic. Mobile hoarding passes need to be available. Our plane had no food or water they lied and said the cater was on strike. What was it a 3 day strike cuz they had it for the return flight. And guess what you're buying that water. Never again, I don't cate how cheap the flight is."

Pros: "Both flights were on time and had an easy boarding process. Flight attendants were very pleasant. Nothing special but got the job done and did it well."
Cons: "Leg room is very minimal."

Cons: "This shouldn't be under a cheap category. Considering that I had a carry on, I ended up paying and additional $120 for baggage. On my return flight I sat next to someone who for sure was on some sort of methamphetamine or heavy upper and could not sit still for a moment. or stop scratching herself. There is no phone line at all that gets you to a human to speak to... at all! So asking for specific flight details was impossible. To get a bottle of water on a 5.5 hour flight was $3 which is inappropriate. The seats do not recline and are small. If you do not pay for you carry on a head of time they will charge you $100 which is basically robbery. I will never fly spirit ever again."

Cons: "The entire staff was awful! I took a total of 5 flights and not one staff member was nice. Never heard please thank you just demanded we buckle seat belts and other instructions. I felt like I was a inconvenience to everyone I spoke to. Its not worth the money you save on the tickets because they charge fees for EVERYTHING even checking in at the airport!!! Don't waist your money or time with them."

Pros: "Paying less"
Cons: "My neck still hurts from the seats."

Pros: "I appreciate Spirit being no frills. You get what you pay for in that sense, but considering what you know you're walking into, it's a good experience. I was nervous about my personal item brought on for free (a backpack) and was careful with how I packed. All went well and it wasn't flagged by staff as being too big."
Cons: "Again, you get what you pay for. I can't rate entertainment of food high because I didn't utilize those services as they come with a fee."

Pros: "Surprisingly wasn't delayed"
Cons: "Service is always horrible . Terrible airline overall"

Pros: "Got there on time. Luggage arrived at baggage check promptly."
Cons: "Check-in process didn't work on two different kiosks, even with assistance from agent. Hard to understand policies on paying for luggage; probably more expensive than with a full-service airline. Counter agent hard to understand (broken English). Boarding pass in two parts came apart but needed both parts for TSA security. No ability to use TSA Pre-Check made wait much longer. Extremely limited room between rows."

Pros: "The plane and flight were fine. Costs for beverages and snacks , well, nobody( or vary few) bought them so that should tell you something."
Cons: "What I didn't like is that the small APPROVED SIZE carry on cost as much as my ticket to fly round trip., $55 each way. Really,........you need to raise your fairs and stop gouging the customers for every other thing. I had to pay extra just to sit in an isle seat when most of the planes seats were still up for grabs. Sorry but Spirit Airlines will be only researched for services by me if it is an emergency. I am aware that the airline needs to make money or it will not stay in business however I think the cost to ck a bag, if it was reasonable, would speed up things so everyone wouldn't try dragging everything they have onto the airplane to stow in the overhead with everyone else waiting on them. I am familiar with your problems as I used to fly schedule 135 , in Calif from La to SFO."

Pros: "ease of flight"
Cons: "I booked this flight for my adult child through KayakThere was no indication of a fee for a small bag. Most airlines allow one free bag and backpack. Although the flight was cheap the $50 for a small checked bag was steep. Based on that alone I would not book through spirit."

Cons: "Still think it's ridiculous that you have to pay for a carry on, it adds $100 to the trip expenses!"

Cons: "I checked in online the night before, but did not print my boarding pass. When going to check bags, I waited in line only to find out at the counter that I have to print my boarding pass at a kiosk - if they do it for you they will, of course, charge you. Ridiculous. When I went to print the boarding pass, I got charged again - apparently it did not go through the night before for some reason although I was never alerted. So I was charged more now for paying at the airport vs. night before. Not to mention, two charges showed on my account."

Pros: "Nothing"
Cons: "The service from Crew members, not able to get a cup of water, delays, dirty plane and all around just bad. Never again will I fly spirit."

Cons: "our flight got delayed from 2:40pm to 3:10pm, then we didn't even leave the terminal until 3:45 due to a maintenance issue. No complementary drinks due to the issue. and charging $52.00 for checked baggage is outrageous..."

Pros: "The flight attendant who did most of the talking was very charismatic and added a bit of humor to her routine"

Pros: "Nothing"
Cons: "Everything"

Pros: "The check in process, boarding process and the flight were smooth."
Cons: "The boarding pass that we downloaded on our phone weren't valid. After waiting 20min for security clearance, we had to go back and get the boarding pass from the kiosk. Spirit should have mentioned ahead of time that mobile boarding passes don't work."

Pros: "On time"
Cons: "No recline"

Pros: "Nothing to like about this airline except maybe the pilots."
Cons: "Same garbage treatment as Baltimore to Minneapolis"

Pros: "The flight attendants handled a very traumatic experience as best as they could, were helpful, and calm throughout the entire ordeal."
Cons: "The planes themselves are awful, dirty, smell weird, and cramped."

Pros: "The crew was friendly and helpful"
Cons: "I waited to board for to long the flight was bumpy I've never taken spirit but I will never go that route again pay the extra money and fly with another airline first time with spirit and my last"

Pros: "The flight was reasonably priced. It wasn't delayed too long. The plane was loaded and took off in an acceptable time. Finding and booking the flight was easy to navigate. There was a gate change but it was in close proximity and I was notified by email and over the intercom."
Cons: "The biggest problem was that there was no air as we sat on the hot Tarmac. The seats did not lay back and there was not enough room to sit comfortably and I am not a big person."

Cons: "The seats were very cramped - you couldn't even move seat back. Have never flown on airline where snack/soda had a price tag. This airline is good only for short flights."

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COVID-19 information

Safety measures for airlines flying to Denver Intl

Airlines flying to Denver Intl have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights to Denver Intl

Mandatory masks

Masks required on board, masks provided on flights to Denver Intl

Social distancing seating

Middle seats unavailable to book on flights to Denver Intl

Pre-flight testing

Testing for antibodies, testing for symptoms for flights to Denver Intl

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