Find deals on international flights from St. Louis

Find deals on international flights from St. Louis

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St. Louis (STL)
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Fri 1/29
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Good to know

Low season

August Best time to beat the crowds with an average 4% drop in price.

High season

December Most popular time to fly with an average 18% increase in price.

Average price round-trip

$276 (avg. price over the last 2 weeks)

Good deal round-trip

$63 or less

Good deal one-way

$44 or less

FAQs for booking St. Louis to Worldwide flights

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Top 3 airlines serving Lambert-St Louis to Worldwide

Scores according to KAYAK customer reviews

7.2
American Airlines
Overall score based on 45,045 reviews
7.5
Boarding
7.1
Comfort
7.8
Crew
6.8
Entertainment
6.7
Food
Airline reviews

Pros: "Room between rows Entertainment from St Louis to Phoenix"

Pros: "I was so happy I could check in online and boarding was a breeze. I actually got to sit by the window when my original seat was in the middle. So nice of the ladies to suggest it to me."
Cons: "No complaints"

Cons: "Take off was delayed for nearly an hour and the flight re-routed because of weather. We had scheduled plenty of time to make our connecting flight but we weren't updated on how much later we would be. This caused a lot of worry and stress not knowing when we would land or where our connecting gate would be. Fortunately the gates were next to one another and it all worked out. There were supposed to be usb charging connectors under the seat but I felt around for nearly 30 minutes and couldn't find them. Nobody could."

Cons: "You lost our bag and our original flight was shrunk. Our seats booted without warning. Late to our conference in Arizona."

Pros: "Staff did seem empathetic and offered substantial tips on how to find out about connecting flights. Also a promotional offer for the aa credit card had a sweetened points offer. I also liked the general structure of the plane made it easy to see if the lavatory was occupied or not."
Cons: "Plane pulled away from the gate knowing we were delayed (or so it seemed). Subsequent delays meant we were stuck on the plane and couldn't briefly disembark."

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

Pros: "Flew 1st class, everything excellent"

Pros: "It got us there on time"
Cons: "No inflight entertainment on the longer flight. Uhgggg."

Pros: "Inflight entertainment was awesome."

Pros: "N/A"
Cons: "Missed this connection"

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

Pros: "just Ok for everything."

Pros: "I booked a codeshare ticket through Alaska Airlines reward program. I was worried I'd be shafted when it came to seats. Not so. I had the row to myself on both flights and just 2 rows shy of first class! Very impressed."

Pros: "The main crew person checking us in was very nice and attentive, tried to keep me posted on changes, and remained pleasant even though some were getting upset."
Cons: "flight was delayed, staff didn't update us so people were getting upset and irritable while waiting to hear. Then flight times changed without announcements, upsetting some."

Cons: "Mechanical difficulties in Dallas caused us to leaveat least 1.5 hours late. Got to Phoenix after my scheduled and all other flights to Spokane had departed. AA put me up in a hotel at the airport. Had to wait 35 minutes outside for a shuttle in 102 heat at 9:00 in the evening. Had to ask for a voucher for evening meal."

Pros: "The boarding process was good."
Cons: "Don't think the flight attendant should hang the trash bags in front of the passengers faces in the aisles to collect trash."

Pros: "A nonstop flight, with a friendly efficient crew, met my expectations. A crew member went above and beyond when I asked for a coffee stirrer with my coke and ice."
Cons: "I've been spoiled by another airline's access to screens on the back of the headrest. I have my own hand held devices to entertain myself instead."

Pros: "Great flight, on time, seat upgrade"
Cons: "Na"

Pros: "Slept through the entire flight, ground crew got me from gate to seat ASAP."
Cons: "Everything was good, so no problems to report here!"

Cons: "Airline throughout mentioned connecting flight passengers are okay as the flight will land almost at the scheduled arrival time but once onboard bluntly announced that we don't have further information. This is cheating"

Pros: "Great crew on Sacto flight. More comfortable than Phoenix flight because not full."
Cons: "Had to wait for crew delayed by weather. No gate when we got to SMF. Luggage took way too long to come off. Lots of turbulence - not your fault - but I HATE it."

Pros: "Crew was pleasant"
Cons: "Needed to return to gate to refuel after aborted takeoff attempt. Thi"

Pros: "."
Cons: "."

Pros: "Safe flight"
Cons: "Flight delayed more than one hour. Poor communications by pilots. No recognition by any crew members that it was Father's Day!!!"

Cons: "Having a fat person take up half your seat shouldn't be allowed. They should buy 2 tickets if they take up 2 seats"

Pros: "Flight was on time, staff was friendly and boarding was organized."
Cons: "I'm a small person (5'-2", 105lbs) and I didn't have room to breathe in that tiny little seat."

Pros: "Baggage drop agent in Oakland excellent Great A319 w power outlets Thanks"

Cons: "Provide food would be better"

Cons: "You make me deplane just to take my bags from me because they don't fit the plane when I just flew 4 hours across the country."

Pros: "Business seats comfortable."
Cons: "Crew was friendly. Not always professional."

Pros: "Ticket price was competitive."
Cons: "No individual entertainment systems on the seat backs--4.5 hours is a long time to be sitting on a plane with only an overhead screen showing whatever movie the airline chose. Also, charging $125 for a carry-on pet that has to stay under the seat AND having it count towards as one of my two "free" carry-ons is ridiculous. The flight was delayed because one of the crew was late."

Pros: "I like that on American you still get a complimentary cup of coffee, a bag of pretzels, and a normal sized seat. I'm OK paying for that after trying some of the budget airlines!"
Cons: "Wish they had a gluten free snack, still that's really not a big deal at all!"

Pros: "Crew was friendly and made my travel pleasant"

Pros: "Arrived to the airport well ahead of time and encountered lines so long that we were not able to make our flight. Only 2 attendants working and so many people had to be rebooked we didn't get another flight for 3 days. Did I mention I was traveling with a baby?"

Pros: "Service was not only on time we landed early as oppose to me losing 1300 usd on my original flight to dallas for work Friday which I didn't make and cost me out of pocket"

Pros: "Liked the little compartment above the tray for electronic devices and the outlet below helped keep my grandsons tablet charged for the flight! Liked the headrest - had flaps that folded out for support if you needed a nap."

Pros: "I likes that I was able to pick my seat for the same price."

Pros: "Quick boarding and taxi. On and off the flight seemlessly."

Cons: "Delayed flight due to crew."

Pros: "Smooth sailing. Staff pleasant and professional. Orderly flight"
Cons: "Nothing."

Pros: "quiet dark plane, gave blankets for overnight flight. Got placed in an exit seat free of charge."
Cons: "Crew member was 20 min late and they would not let us board until he got there. Ended up making the flight 30 minutes late and I almost missed my connection. They didn't update us saying he was on his way or anything, just that we were "still waiting." No entertainment was visible from my seat either."

Pros: "On time arrival"
Cons: "Everything else"

Pros: "Nonstop flight"
Cons: "Nothing special about American. Boarding process doesn't make sense. People crowd the gate during boarding. Aircraft cabin is outdated. Would love to see, at minimum, power outlets for each seat. Cabin was frigid, does it need to be that cold?!"

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

Pros: "Friendliness of flight crew; entertainment choices."
Cons: "Food was poor for first class."

Cons: "The lack of leg space didn't know it was that bad."

Cons: "Everything was great."

Pros: "Crew was fine even when we had to sit on the ground for 1 1/2 hours for a repair."
Cons: "American Airlines didn't honor my choice of seats."

Pros: "Movies"

Pros: "He was the epitome of the Friendly Skies. Chatted with whom wished to chat was quite near those that wanted to snooze on this early morning flight."

Pros: "Smooth and positive communication."

Pros: "Everything was smooth"

Pros: "I managed not to use toilet."
Cons: "An epic storm (April 27-May 4) caused my bicycle tour across MO to flood out during our trip. Rescheduling my flight back to CA cost &230..same price as RT. Gouging people leaving a massive flood! The governor of MO declared a State of Emergency yet my trip cancellation insurance didn't cover what was clearly beyond my control. I'm left with some hard feelings."

Cons: "Flight was delayed so long I missed my connecting flight and spent 18 hours traveling rather than 8."

Cons: "My friends dad passed away and was unable to get money back to go to his funeral. Plane was a small express plane which was never mentioned. Had to check bag because overhead bins were too small. No wifi. Dad and Kid took my assigned seat."

Pros: "Friendly few, clean plane, and on time"
Cons: "It was way too hot on the plane. I understand it's hard to find a happy medium with people on temperature but this flight was too warm, especially with people traveling with winter wear on."

Pros: "Good communication and helpful."
Cons: "Delays"

Cons: "Little more time between flights would be nice"

Pros: "The crew. Short and sweet flight."
Cons: "Small seats. Bad coffee."

Pros: "Good service"
Cons: "Delay in air"

Pros: "Wifi on flight"

Pros: "New (to me) lime sparkling soda And a cookie too! Seemed to be a little more seat and leg room."
Cons: "I only wish your branded credit card did not cost$95.00 after first year."

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: "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: "Newer plane,"

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"

Cons: "Late out of Stl. Missed flight out of Chicago"

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: "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: "This added almost $100 to the face. I'll try to avoid Frontier in the future. Gotcha capitalism!"
Cons: "Cheap fare until it changed with the bag fee"

Pros: "Started with the nickel and diming during check in. The app wouldn't take my card so I had get on the website. Apparently buying the ticket doesn't give you a seat, you have to pay extra for that. Taking more than a laptop bag or purse, that's extra. Right there, your low fare is shot to h#ll. Definitely check the hidden costs before booking. Then came a 5 hour delay of the flight, apparently the plane had mechanical issues at it's previous stop. Frontier provided $10 meal vouchers, which doesn't go far in an airport. Seats don't recline at all and you feel like you're in a cattle car. The seat back tray is about 6" and doesn't hold much. The combination of turbulence and a pilot yanking the plane around during landing brought out the air sick bags by several passengers around me. Then on the ground, he was racing around and taking turns like an Indy500 race car. I seriously thought he was going to do a handbrake turn into the parking spot. Frontier provided vouchers worth $100 per ticket for the flight, but only good for another Frontier flight. I don't think so..."
Cons: "Several hidden costs. Uncomfortable seats Rough landing"

Pros: "Overall good flight."
Cons: "I’m tall so comfort is not an option unless I want to pay for it. No food unless I want to pay for it. No entertainment unless I want to bring it."

Pros: "The staff was wonderful. Great people with great personality."
Cons: "Everything from getting on the plane was not only difficult, but uncomfortable, and with a lack of detail towards the customer. From the small tables at knee level, to the chair angle, this entire experience was either wrought with an inability to sit easily and definitely was painful every time I needed to move."

Pros: "The prices"
Cons: "Paying for a carry on Seats do not recline No complimentary beverages Flight was delayed and we rarely received updates I understand that you charge for everything in order to offer better prices, but by the time the customer pays to bring on luggage, we are paying the same price as an airline that allows baggage for free with inclusive drinks, snacks and seats that recline."

Cons: "Weather delays happen. But Frontier left me stranded in a Denver and offered me no options other than a refund? No rebooking no hotel nothing."

Cons: "Frontier's new seats and fees."

Pros: "The attendants were very helpful and friendly. The plane was incredibly clean and comfortable. I would fly frontier again!"
Cons: "The frontier website. Not easy to use and disk not allow me to add tsa precheck or buy my bags online."

Pros: "My only good then was that I had wonderful passengers around me that were conversationalists who were entertaining and helpful!!"
Cons: "Can't you learn how to communicate faca to face with people? Let us know personally why we keep getting held up for take off, why we are being left in the dark, andehy you can't schedule more accurately! It doesn't help to fly somewhere if you miss the event you went to attend! Try compensating for our inconveniences for a change!!!!"

Pros: "new jet. enough leg room (i'm male, 5-10). Overhead bins are normal size (can hold typical carry on), not the microscopic ones. Everything was on time."
Cons: "STL ticket counter was only staffed 2 hours before the flight -- which makes sense if they didn't have more flights, but the signs weren't big and complete enough for passengers to realize what was going on and how we would check our luggage. So we were standing around a bit confused. Once Frontier people showed up, it was fine. Also, coming back to STL, I had a 2 hr shuttle bus ride that was leaving 30 minutes after arrival, and although the plane arrived on time, the luggage didn't reach me until 37 minutes after, so I had to get a hotel room for the night. I don't know how luggage handling works, so maybe not Frontier's fault at all. 30 minutes isn't much time, but it was a direct flight, so I thought it would work."

Pros: "not much"
Cons: "I have been more comfortable on church basement folding chairs that the seats on Frontier. I did pay to move to seat 1A, and it still felt like a torture device."

Cons: "My baggage took FOREVER to come back"

Cons: "Very bumpy flight and it takes forever to get your luggage"

Pros: "Landing and getting off the plane."
Cons: "Frontier is definitely cheap for a reason."

Cons: "Airplane not clean. No entertainment at all."

Cons: "The flight was delayed several times, never even offered a free drink for the trouble"

Pros: "I don t like"
Cons: "They charge Cary on"

Cons: "Flight delayed an hour"

Pros: "The plane left on time and we arrived in Denver ahead of schedule."
Cons: "We arrived in Denver ahead of schedule and then sat on the tarmac for 50 minutes before de-boarding. There was a $30 charge for a checked bag. You had to pay for any snacks. There was no entertainment."

Pros: "The folks at security check were attempting to add humor while keeping the lines moving."
Cons: "The guy who took our checked bag had no personality. He never even looked at us."

Cons: "Fronteir created new seats that do not recline, are quite thin and small tray tables that don't lock. The consequence is that the man next to me couldn't lean back enough, so slumped onto me most of the flight. A one year old behind me constantly pulled up and down the unmatchable tray table and kicked my thin chair -- so I felt every little tiny foot. The stewardess refused to give us water when our row asked and they forgot to call boarding zone 2 when boarding so it was a mess. I would say Frontier was a terrible airline. Their discounted prices are a farce as they charge for a seat and carry-on luggage, so I may as well have paid for a regular fare from a more comfortable airline."

Pros: "On time!!"
Cons: "Everything was good!!"

Pros: "I like and it went good with no problems."
Cons: "The baggage Claim which I didn't know each baggage claim have each groups of what the name that you flying out which no one told me about that so its new to me ."

Pros: "Nothing will not recommend them"
Cons: "The price quoted did not include their fees for a carry on - $30 both ways! Feels unethical."

Pros: "The price."
Cons: "Multiple delays, uncomfortable seats."

Pros: "I liked the seats. They didn't seem worn out."
Cons: "The price of drinks and food. They should be comparable to a grocery store if you're going to charge for every little convenience."

Pros: "Nothing"
Cons: "Everything, such a rip off"

Pros: "Frontier staff tried their best to keep people in good spirits..."
Cons: "2 hour delay, I was freezing cold on the plane and the attendant said that they didn't have blankets. They pushed the alcohol sales and we were not even offered a bag of peanuts."

Pros: "the crew made the best of a miserable corporate policy; the baggage arrived - 45 minutes after landing."
Cons: "2.0 hours late boarding; boarded 2x; lousy information; surly condescending station manager; insane baggage counter hours; no connection information in flight despite airline full responsibility for everyone on the plane being behind schedule.; connecting flight still at gate when 10 people tried to board and were not given access until a near riot occurred; no one seemed care at all. A woman with 5 week old child, a senior citizen with a cane, a woman recovering form surgery all RAN from gate to the other (about 1/2 miles) only to be told they were too late, the terminal door was closed. Only after pounding on the door, cajoling the customer service people 10 feet away and telling 50 others waiting in the service area did the door open!"

Cons: "online check in and seat assignments is so concentrating on upselling that it is difficult to use. I also don't appreciate the bait and switch pricing. The flight costs $x, but then if you want a seat not located in the unheated cargo hold, that is extra."

Pros: "Plane was clean. Seats were very comfortable l, but not much leg room"
Cons: "They charge for for everything on this flight. Checking in - it cost $35 to check your bag in - $40 of you want to board with it! I do all the work and I have to pay more? Then to pick a seat - any seat - it is another $5 - $25. I understand that for premium seating (ext, etc) but any seat? Finally - drinks and snacks - that costs money too. While the fare looks cheap - beware of all the add ons. At a minimum, you have an additional $70 to $100 to the price of the ticket This does not turn out to be a cheaper price....beware."

Pros: "Free baggage for military"
Cons: "Loud announcing and not classy attempts to upsell us during the flight"

Cons: "My flight was supposed to leave at 8:p.m. We left at 12:30 am. Hot in at. 2:00 am. Had to be at work at 7:00 am. Got home at 3:00 am instead of 10:00. How do you think people were. They were very disappointed Terrible airline"

Pros: "Worse than Southwest Airlines. Uncomfortable."
Cons: "Uncomfortable seats and crew didn't smile much."

Cons: "The worst thing was having to sit on the tarmac for over an hour. This was after a very bumpy landing and having to pay for carry tons is ridiculous"

Pros: "The rates were less expensive so I guess you get what you pay for, but at the gate bag check was 40 per bag, I was expecting more in the realm of 25. (Yes I know I should have checked online) then we get to the gate and the fight was over booked and delayed. When we tried to communicate with the staff about questions pertaining to connecting flights they seemed unable/ unwilling to help. Overall not worth the discounted rate."
Cons: "I really think the baggage fee is way over the top. And perhaps a little customer service training for your people"

Cons: "My flight got delayed 6hours and it was to leave at 2:37 in the morning and instead I wanted to just get the flight the next day but they still charged me $100, nor did they offer to put me in a hotel I paid for that too."

Pros: "The flight was fairly smooth with only a few turbulents"
Cons: "I would have liked free packet of peanuts or pretzel and either club soda or water"

Pros: "I got where I was going to."
Cons: "One zone isn't even through the door and the next zone is called and all we do is stand in the very hot jetway for nearly 15 minutes. Being charged to pick our seat and for our luggage is ridiculous. It should be included in the price, if you have to raise the price then at least people would know better the true cost of their travel. Being charged for a drink! Having $1.99 put on a credit card! Wrong."

Pros: "The Staff was friendly"
Cons: "the flight was only cheaper until you had to either check a bag or pay to carry on! Pay to drink a soda or anything! The seats are the most stripped down uncomfortable airline seats I have ever experienced. After all the add on costs, there is no value in the cramped, crowded, uncomfortable flight. Also, on every flight at least half of the passengers were not aware of the baggage policy until it was too late to check it for less money and had to pay extra to carry on. To top it off, we had to change gates at the last minute, resulting in having to go out of the Domestic terminal and sent us all back through the check in!!! We should have at least been able to fly through the pre check if not rerouted us through another way that did not require the total shoes off, open bags, metal detection all over again!!!"

Cons: "My luggage was misplaced on the plane and I waited for an hour for it and it went to the wrong section. I paid two dollars for a soda. St. Louis frontier desk is not open from 930-3pm which is crazy ridiculous. Also your plans are extremely uncomfortable and have become just like military planes. $30 for a carry on is excessive and $25 for a checked back? Absolutely not. I will not fly frontier again."

Cons: "The flight was delayed and the airline charges for everything. They tried to charge me for my CARRYON bag which is hilarious, and I proceeded to say I would not pay that charge. The attendant let me board the plane anyway and I put my carryon in the overhead without an issue, which deeply concerns me. It seems as if Frontier arbitrarily tacks on that charge, tricking their customers like con artists who will fall for this absurdity. The air conditioning did not work well and they almost forgot to give us water. Maybe they even charged for the water. The attendants were rude. Dont fly Frontier unless you really really really need to save a dime or two."

Pros: "I got on quickly and off quickly. Or flight was slightly faster than predicted due to weather."

Cons: "Charged for carry on and food/drink"

Pros: "Left on early and arrived early."
Cons: "Not very comfortable seats. Should be able to get water at least."

Pros: "Nothing"
Cons: "Flight was delayed. Frontier could have cared less"

Pros: "I felt safe throughout the whole trip; the landing was on if the smoothest landings I've felt ever. Frontier is the only airline I have taken."
Cons: "n/a"

Cons: "Ended up paying more than I would have for the flight if I just went with the quality carriers. Through kayak you don't get any bags. Would have been the same price through the fro tier site and included a bag."

Pros: "The captain and stewardess were very nice and accommodating."
Cons: "The plane was very very dirty. It hadn't been cleaned in quite a while."

Pros: "The new seats are very comfortable."

Read more about American Airlines
COVID-19 information

Safety measures for airlines flying from Lambert-St Louis

Airlines flying from Lambert-St Louis 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 from Lambert-St Louis

Mandatory masks

Masks required on board, masks provided on flights from Lambert-St Louis

Social distancing seating

Middle seats unavailable to book on flights from Lambert-St Louis

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Lambert-St Louis

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DEN - STL
2/25
Thu
nonstop
Frontier
2h 31m
STL - DEN
3/8
Mon
nonstop
Frontier
2h 14m
DEN - STL
1/29
Fri
nonstop
Frontier
2h 28m
STL - DEN
2/1
Mon
nonstop
Frontier
2h 02m
DEN - STL
3/12
Fri
nonstop
Multiple Airlines
2h 20m
STL - DEN
3/14
Sun
nonstop
Multiple Airlines
1h 59m
DEN - STL
2/18
Thu
nonstop
Frontier
2h 31m
STL - DEN
2/21
Sun
nonstop
Frontier
1h 57m
DEN - STL
4/19
Mon
nonstop
Frontier
2h 32m
STL - DEN
4/21
Wed
nonstop
Frontier
2h 08m
DEN - STL
2/5
Fri
nonstop
American Airlines
3h 37m
STL - PHX
2/8
Mon
nonstop
American Airlines
3h 07m
PHX - STL
2/4
Thu
nonstop
Multiple Airlines
2h 31m
STL - DEN
2/7
Sun
nonstop
Multiple Airlines
2h 10m
DEN - STL
4/30
Fri
nonstop
Multiple Airlines
2h 31m
STL - DEN
5/12
Wed
nonstop
Multiple Airlines
2h 00m
DEN - STL
2/25
Thu
1 stop
Multiple Airlines
5h 19m
STL - DEN
3/1
Mon
nonstop
Multiple Airlines
2h 09m
DEN - STL
2/19
Fri
nonstop
American Airlines
3h 38m
STL - PHX
2/26
Fri
nonstop
American Airlines
3h 04m
PHX - STL
1/28
Thu
nonstop
United Airlines
2h 35m
STL - DEN
2/7
Sun
nonstop
United Airlines
2h 04m
DEN - STL
3/24
Wed
nonstop
American Airlines
2h 48m
STL - MIA
3/30
Tue
nonstop
American Airlines
2h 50m
MIA - STL
3/3
Wed
nonstop
American Airlines
2h 44m
STL - MIA
3/9
Tue
nonstop
American Airlines
2h 55m
MIA - STL
2/5
Fri
nonstop
Multiple Airlines
2h 28m
STL - DEN
2/5
Fri
nonstop
Multiple Airlines
2h 11m
DEN - STL
3/19
Fri
1 stop
Major Airline
5h 40m
STL - PHX
3/25
Thu
1 stop
Major Airline
7h 01m
PHX - STL
2/16
Tue
nonstop
Alaska Airlines
4h 25m
STL - SEA
2/23
Tue
nonstop
Alaska Airlines
3h 40m
SEA - STL
2/18
Thu
1 stop
Delta
5h 13m
STL - HOU
2/25
Thu
1 stop
Delta
4h 47m
HOU - STL
Show more results

Recent one-way flight deals

2/17
Wed
nonstop
Frontier
2h 28m
STL - DEN
3/19
Fri
nonstop
Frontier
2h 34m
STL - DEN
1/29
Fri
nonstop
Frontier
2h 28m
STL - DEN
4/15
Thu
nonstop
Frontier
2h 32m
STL - DEN
2/1
Mon
nonstop
American Airlines
3h 40m
STL - PHX
3/4
Thu
1 stop
Frontier
8h 17m
STL - MCO
4/19
Mon
nonstop
Frontier
2h 26m
STL - MCO
2/15
Mon
nonstop
American Airlines
3h 42m
STL - PHX
2/21
Sun
nonstop
United Airlines
2h 35m
STL - DEN
2/10
Wed
1 stop
Frontier
10h 24m
STL - MIA
1/31
Sun
1 stop
Multiple Airlines
18h 44m
STL - LAS
2/21
Sun
1 stop
American Airlines
8h 49m
STL - DEN
1/29
Fri
1 stop
Multiple Airlines
22h 40m
STL - LAS
2/16
Tue
1 stop
American Airlines
6h 21m
STL - DEN
5/5
Wed
1 stop
Multiple Airlines
8h 09m
STL - LAS
5/5
Wed
1 stop
Multiple Airlines
14h 41m
STL - LAS
3/21
Sun
nonstop
United Airlines
2h 30m
STL - DEN
3/20
Sat
1 stop
Delta
8h 05m
STL - MCO
3/7
Sun
nonstop
Alaska Airlines
4h 25m
STL - SEA
1/31
Sun
2 stops
Aeromexico
22h 15m
STL - CUN
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