$38 Find Cheap Flights from Denver to Phoenix

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to Phoenix departing on 12/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Phoenix

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to Phoenix, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to Phoenix, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$69
Overall average: $148
Frontier
Sat 1/10Mon 1/12
DEN - PHX • Non-stop
Cheapest one-way
$38
Typical prices: $82-$185
Frontier
Thu 12/25
DEN - PHX • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Frontier's Economy Bundle includes a carry-on bag.
PHX offers easy access to downtown via the Sky Train.
Expert advice
Expert advice
Expert advice
Expert advice
Top routes
DEN-PHX
Cheapest • 76% average savings
DEN-PHX
Most popular
Insights
Insights
Insights
Insights
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 29% compared to booking last minute.
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Phoenix!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Denver to Phoenix (DEN-PHX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to Phoenix that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to Phoenix

Sat, Jan 10 - Mon, Jan 12
Frontier Logo
1:26 pm - 3:31 pm
DEN
-
PHX
2h 05mnonstop
Frontier Logo
6:25 pm - 8:20 pm
PHX
-
DEN
1h 55mnonstop
$69Frontier
Fri, Feb 6 - Tue, Feb 10
Frontier Logo
7:17 pm - 9:26 pm
DEN
-
PHX
2h 09mnonstop
Frontier Logo
9:52 am - 11:50 am
PHX
-
DEN
1h 58mnonstop
$70Frontier
Sat, Jan 31 - Sat, Feb 7
Frontier Logo
5:11 pm - 7:19 pm
DEN
-
PHX
2h 08mnonstop
Frontier Logo
3:55 pm - 5:49 pm
PHX
-
DEN
1h 54mnonstop
$71Frontier
Mon, Jan 12 - Thu, Jan 15
Frontier Logo
10:29 pm - 12:29 am
DEN
-
PHX
2h 00mnonstop
Frontier Logo
3:08 pm - 5:00 pm
PHX
-
DEN
1h 52mnonstop
$72Frontier
Thu, Jan 8 - Thu, Jan 15
Frontier Logo
6:08 pm - 8:13 pm
DEN
-
PHX
2h 05mnonstop
Frontier Logo
3:08 pm - 5:00 pm
PHX
-
DEN
1h 52mnonstop
$73Frontier
Wed, Feb 4 - Mon, Feb 9
Frontier Logo
9:44 pm - 11:53 pm
DEN
-
PHX
2h 09mnonstop
Frontier Logo
4:20 pm - 6:17 pm
PHX
-
DEN
1h 57mnonstop
$77Frontier
Wed, Dec 31 - Thu, Jan 1
Frontier Logo
10:29 pm - 12:29 am
DEN
-
PHX
2h 00mnonstop
Frontier Logo
7:00 am - 8:55 am
PHX
-
DEN
1h 55mnonstop
$78Frontier
Fri, Feb 6 - Mon, Feb 9
Frontier Logo
10:29 pm - 12:40 am
DEN
-
PHX
2h 11mnonstop
Frontier Logo
4:20 pm - 6:17 pm
PHX
-
DEN
1h 57mnonstop
$81Frontier
Sun, Feb 22 - Thu, Feb 26
Multiple Airlines Logo
9:00 am - 9:14 pm
DEN
-
AZA
12h 14m1 stop
Multiple Airlines Logo
11:00 am - 2:51 pm
AZA
-
DEN
27h 51m1 stop
$189Multiple Airlines
Fri, Feb 20 - Thu, Feb 26
Multiple Airlines Logo
9:01 am - 7:58 pm
DEN
-
AZA
10h 57m1 stop
Multiple Airlines Logo
11:00 am - 2:51 pm
AZA
-
DEN
27h 51m1 stop
$194Multiple Airlines
Booking Insights

KAYAK's insights & trends for Denver to Phoenix flights

Get data-powered insights and trends into flights from Denver to Phoenix to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Denver to Phoenix flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Denver to Phoenix costs $58 on the route between Denver (DEN) and Phoenix Sky Harbor Intl Airport (PHX). Over the past month, this route was, on average, 76% cheaper than other Denver-Phoenix routes. It is also the most popular route.

What’s the cheapest day of the week to fly from Denver to Phoenix?

The average price of all round-trip flights from Denver to Phoenix clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Denver to Phoenix, look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Phoenix, Friday is the cheapest day to fly and Monday is the most expensive.

What is the cheapest month to fly from Denver to Phoenix?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to Phoenix, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Denver to Phoenix is January, where tickets cost $148 (return) on average. On the other hand, the most expensive months are November and June, where the average cost of round-trip tickets is $221 and $198 respectively.

How far in advance should I book a flight from Denver to Phoenix?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to Phoenix, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Denver to Phoenix, you should book around 2 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Expert advice

Expert advice for your flight from Denver to Phoenix

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Frontier

Economy Bundle includes a carry-on bag and standard seat choice, ideal for budget travelers.


Premium Bundle offers priority boarding and extra legroom for a small additional fee.

American Airlines

Basic Economy offers low fares but includes late boarding and no free checked bags.


Main Cabin Extra provides early boarding and complimentary alcoholic drinks for a small fee.

United Airlines

Economy Plus offers up to six inches more legroom than standard economy seats.


Priority Boarding places you in Zone 2, ensuring overhead bin space for carry-ons.

Southwest

Southwest offers free snacks and soft drinks; download their app for streaming entertainment onboard.


Southwest's Rapid Rewards offers unlimited rewards seats and points that don’t expire, ideal for frequent flyers.

Airports
DEN

Use the DEN Reserve program for expedited security. Reserve online up to 3 days in advance for slots from 5 a.m. – 5 p.m.

PHX

PHX offers easy access to downtown via the free Sky Train, connecting to light rail stations and parking garages.

Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier and United Airlines

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Harriet Baskas

Harriet Baskas

Expert on American Airlines and DEN

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Laura Ratliff

Laura Ratliff

Expert on PHX

Laura Ratliff

Laura Ratliff

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Read more

Good to know

Cheapest flight$38
Flight from Denver to Phoenix Sky Harbor Airport

When to book flights from Denver to Phoenix

Are your dates flexible? Find out the best times to travel from Denver to Phoenix based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Denver to Phoenix

  • Which kid-friendly airline should I consider for my flight from Denver and Phoenix?

    Among the kid-friendly airlines connecting from Denver and Phoenix, you may have to prioritize Frontier. The airline's “Kids Fly Free” program allows travelers who are members of the Discount Den travel club to travel with kids under 15 at no cost.

  • Which eco-friendly airline should I consider for my flight from Denver and Phoenix?

    To fly with an eco-friendly airline from Denver and Phoenix, prioritize pre-booking your flight with Allegiant Air. The airline has significantly reduced its environmental impact by utilizing fuel-efficient aircraft, optimizing flight patterns, and implementing recycling programs.

  • Which airlines operating from Denver and Phoenix highly consider Persons with Reduced Mobility (PRMs)?

    While all modern airlines consider PRMs, Allegiant Air and Frontier offer some of the best accessibility features, even though the majority of airlines that fly from Denver and Phoenix take PRMs into account. These airlines grant priority boarding to PRMs to ensure comfort and inclusion during flights. Additionally, they have a team of well-trained and experienced staff whose primary duty is to ensure PRM-accessible services.

  • Which pet-friendly airline can I travel with from Denver and Phoenix with my pet?

    Sun Country Air is among the few pet-friendly airlines to consider for my flight from Denver and Phoenix with my furry friend. The airline's pet-friendly policy allows small caged pets weighing under 20 lbs to travel in-cabin, provided their carriers fit under the owners' seats. The policy also allows larger pets to travel in a pressure and temperature-controlled cargo hold as cargo.

  • What is the cheapest flight from Denver to Phoenix?

    In the last 3 days, the lowest price for a flight from Denver to Phoenix was $38 for a one-way ticket and $69 for a round-trip.

  • Do I need a passport to fly between Denver and Phoenix?

    A passport is required to fly from Denver to Phoenix.

  • Which airports will I be using when flying from Denver to Phoenix?

    When flying out of Denver you will be using Denver Intl. You will be landing at one of these airports: Phoenix-Mesa Gateway or Phoenix Sky Harbor Intl.

  • Which aircraft models fly most regularly from Denver to Phoenix?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Denver to Phoenix?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Denver and Phoenix, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Denver to Phoenix?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Denver to Phoenix.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to Phoenix?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Phoenix from Denver is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Denver to Phoenix?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Phoenix with an airline and back to Denver with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to Phoenix?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Phoenix from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Denver to Phoenix

  • Travelers connecting from Denver to Phoenix on a fixed budget can consider booking their flights with Frontier Airlines. Besides offering direct flights from Denver Intl (DEN) to Phoenix Sky Harbor Intl (PHX), Frontier is a low-cost carrier offering flights on a no-frills basis to maintain the low baseline ticket and optional additional amenities that may necessitate extra payment.
  • United and Frontier are the primary airlines with hubs at Denver Intl (DEN). These two are ranked among the airlines with the highest number of flights from DEN to various destinations, including Phoenix. To access a flight option that may fit your travel schedule from Denver to Phoenix, you should consider either of these two airlines.
  • You should think about traveling with Frontier or South West Airlines if you need to make last-minute travel from Denver to Phoenix. These two airlines are among those that offer the most regular direct flights between Denver and Phoenix.
  • Although most airlines offer direct flights from Denver to Phoenix, some – like Delta, Frontier, and Spirit Airlines – may also offer a number of indirect flights. Some of the common stops for these airlines are Las Vegas Harry Reid Intl (LAS), Salt Lake City (SLC), and Los Angeles (LAX).
  • Besides Phoenix, passengers connecting to other nearby cities use Phoenix Sky Harbor Intl (PHX) as their final destination. Chandler, Scottsdale, and Tempe are a few of these cities. Since most cities are only a short drive from PHX, you may reach them conveniently with a rental vehicle, a taxi, or a ride-sharing service.

Prefer to fly direct from Denver to Phoenix?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Denver Intl to Phoenix.
Find which airlines fly direct from Denver Intl Airport to Phoenix, which days they fly and book direct flights.

Direct departures

Denver Intl to Phoenix

Monday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Tuesday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Wednesday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Thursday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Friday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Saturday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Sunday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

See more direct flights

Direct returns

Phoenix to Denver Intl

Monday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Tuesday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Wednesday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Thursday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Friday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Saturday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

Sunday

American Airlines, Frontier, Southwest, +1 more

American Airlines, Frontier, +2 more

See more direct flights

Reviews of the top 5 airlines serving from Denver to Phoenix

 
See real verified KAYAK customer reviews for airlines flying from Denver to Phoenix. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Denver to Phoenix? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4250 reviews
7.5Entertainment
8.6Crew
7.0Food
8.1Boarding
8.0Comfort
Airline reviews

They sent a notice that they were boarding an hour early. We had to leave the club and run to the gate. They said sorry, that came from corporate and was a mistake. They did not have enough seating because the flight before it had not taken off on time. They moved our gate and delayed it for an hour.

2.0 MediocreRobert, Dec 2025
LAS - TPA
Read more Southwest reviews

They sent a notice that they were boarding an hour early. We had to leave the club and run to the gate. They said sorry, that came from corporate and was a mistake. They did not have enough seating because the flight before it had not taken off on time. They moved our gate and delayed it for an hour.

The boarding and seat assignment system no longer works for me, but I know it is being replaced. Otherwise, I am good with the overall experience.

The lead steward kept singing about "San Francisco" and hotel California---more annoying than humorous....needs work. Flight was smooth and on time.

Still a fan of open seating. Flight was on schedule and arrived on time. The 737 MAX is very comfortable.

Airline travel is always too cramped to really be pleasant, but the cabin crew on this flight did a pretty good job of making up for it by putting on some music during boarding and sprinkling a few funny remarks into the safety briefing and announcements, and just generally being friendly and helpful. It definitely reminded me of why I prefer the in-flight experience on Southwest!

No delays and arrived to destination 30 min early. Staff was super friendly.

San Diego airport is brand new, spacious, airy and very smooth checkin at SW baggage drop.

It was rough. The staff was unprofessional, the choice of on board drinks terrible, it was cramped in space at every airport, they always ran out of overhead bin space so they pressured people to check bags for free or we couldn’t leave on the plane— so I did check my bag to help, and they nearly lost my bag. My bag did not arrive on the luggage belt, another man on my flight and I had to waste our time going to the baggage office to search for our bags. I would only fly southwest again if it was my last choice. Also, my flights were consistently delayed over and over again— at one point they straight up told us we were waiting for the pilot to arrive.

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

Had to get off plane from prior flight even though I had to reboard same plane to continue to my final destination.

I noticed that the planes seem to be outdated. There was no entertainment per se. Also, the waiting area did not have any working electrical outlets

Original flight was cancelled and when i was rebooked by the airline, they couldn't seat me in the same type of seat as I had originally booked (went from window/aisle to middle/middle and one was a bulkhead seat, and other wasn't in the same class)

Lady Pilot was perfect in every way wheels up to wheels down communication, professionalism, excellent on time departure and on time arrival, excellent communication! Fantastic job with Superb attitude!!

The food is terrible. The staff is wonderful. Comfort is good.

Left on time, a bit delayed due to headwinds most of the trip.

I fly Delta all the time, have Platinum Medallion status. But this route seems to have major problems with delays and seems to never leave on time! Have only taken it twice in the last two weeks, and each time it had delays of more than 1 hour... very disappointed!!!!

Good seats in Main cabin, excellent service and excellent landing

My flight was cancelled with no explanation after I had already cleared security. I was given 4 options to rebook, only one being non-stop like I had paid for. I grabbed it. It was 4 plus hours later and then took off even later. Biggest complaint is that I booked early and had an aisle seat. They gave me a "window" seat in front of the exit row, so the seat did not decline. I weigh all of 103 #s and it was tight for me! For what I paid, I feel I was kind of ripped off. I think they should have given me the empty comfort seat for the inconvenience. There was no apology nor any explanation as to why the flight was cancelled. My guess is it benefitted Delta in some way.

Very smooth, on-time, and pleasantly uneventful flight. The team at the gate and on board were professional and genuinely courteous. The pilot kept us well updated throughout, and both takeoff and landing were steady and enjoyable without any drama. Just a good, solid flight. Thank you! 💗

Staff was exceptional! Everyone was kind, professional and friendly making the trip very pleasant. Thank you!

Crew seemed a bit cranky. No seatback screens. But boarding was efficient and on time and we arrived early.

See previous note about the passenger in Denver who threw my husband's bag out of the overhead bin in order to maker room for his own. And the flight attendant back up the new passenger.

Terrible. They wouldn't allow me on my flight on the 14th..

Impressed with the service despite turbulence because of the weather. Both flights arrived before their scheduled times.

Great experience…left a bit behind schedule but made up fir that in the air and landed 10 minutes early 😁

Electric plugs didn't work. Entertainment system wasn't working

The design of the light switch on the arm rest is ridiculous.

The gate attendant let me walk right by her with a bag too big for the overhead compartment

Overall, it was a good experience. Boarding was good and there was plenty of overhead bin space for everyone’s carryons (even when we boarded toward the end). Only improvement would be to offer trash service more regularly.

David went above and beyond to make our flight the best that it could be

AA delayed the flight for 3 hours and 50 minutes, but delayed the last 2 hours, 30 minutes at a time, so if we knew before, could have stayed at home and worked instead of being at the airport wasting time... The plane's crew was excellent, not their fault.

Things were delayed a little. But that didn’t affect my plans. It was fine. I was surprised it was so full thanksgiving day. The crew were friendly and professional.

Everything was good The connects, with no blame to crew. Or pilots. I understand they are short staffed. Everything went well for me. I'll be using you guys again in May if not sooner.

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

Terrible. Our luggage was delayed and couldn’t be delivered for several days. We got bad information from the airline agents at baggage claim. We had to pick up our car so we wouldn’t be charged for an extra day. We got lost in the maze of airport parking. The baggage claim agents didn’t offer us any compensation for our extra time and expense. We are tired, hungry and very frustrated.

Don’t know they cancelled the flight day before I was to leave. They sent a email at 9:00 pm at night saying they cancelled. That is the smooth way to say we don’t want your business! I think they didn’t have enough people booking so they cancelled the flight! It’s all about the money anymore there is no honesty in business.

As smooth as you can expect. Some issues with boarding because the previous plane took forever to deplane but overall, a good experience.

After a two hour delay, my flight was CANCELLED! No pilot available. Such BS.

Mechanical delay and no compensation. Missed connection as a result of their delay. Mediocre performance and service. Horrible airline currently with horrible culture.

I miss the screens they used to have for the long flights. I use a Kendal and it doesn’t work well with there WiFi. I tried my cell and the wifi was not good for it either this is the free wifi.

Not clean and was told I would get a great seat and it was not great at all

Delayed. Text notifications were slow. Not much information o what was happening. Boarding was slow and confusing. Wasn’t even offered water other flight. Had to ask. No entertainment at all. Felt like.a Greyhound bus.

Just know that everything, and I mean everything is “ala cart”. 60$ just to put something in the overhead bin. I will never fly Frontier again nor do I recommend them to anyone else.

Frontier is the Walmart of airlines. Frontier has removed adjustability and comfort from their seats to make the flight lighter and save gas. This makes it impossible to sleep on their flights. Their customer service is abysmal. Once, I bought a drink on the plane, and they swiped my credit card on the plane to pay for it. Then I got three weeks of daily notices from my bank telling me they tried to charge the wrong card number over and over again. I tried to call them, but they removed the ability to actually talk to someone that can resolve such a problem from their company to cut corners. The only way to talk to someone in person is to go to the check-in counter at the airport (40 minutes drive from my house). Eventually their system gave up on trying to charge the card, after 21 days of repeated tries. They don't pad their prices even a little to handle customer service issues like missed flights. They also have a blanket policy preventing helping you reschedule a missed flight if their system says you "cancelled" your own flight online. This is a major problem because their website is broken on mobile devices, the only web browser you have at the airport when their gate staff tell you that you have to reschedule your own missed flight online because they can't help you. I tried to reschedule my flight on my android device and instead, their website crashed and "cancelled" my missed flight. When I got to the counter, the agent argued with me for 5 minutes insisting that I intentionally cancelled my own flight (implying I had to buy another flight). She missed the point: the problem was that I could not buy another flight because their website is broken. I left to avoid more conflict with the "customer service" agent. I tried to redress my issue with their only other "customer service" chanel available: the contact form on their website. The response I got was more of the same: you cancelled your own flight, according to our website / computer records, therefore we won't help you. I was trying to explain the problem with their broken website that cost me hundreds of dollars by crashing / malfunctioning and resulting in a cancelled flight, but they only had deaf ears for this problem. Worst customer service I have ever experienced. I will never buy another Frontier flight again, because it is a risky, painful move that I will likely regret often.

This airline sucks. They offer low rates then charge you for everything, the app does not work well, the seats are the most uncomfortable. Maintenance issues on the flight, and you still have to sit through their credit card commercials. People are nice enough but does not make up for overall poor experience.

What I expected, nickeled and dined and a frontier flight attendant loudly complained about her job and lack of communication as she headed to the gate on her cell phone. Not professional.

Flight was delayed one hour. Notification to the crowd waiting near the gate was terrible…announcements were unclear and very hard to hear and therefore understand. Frontier does NOT send texts to notify, only email. The reader board over the gate itself was NEVER updated to indicate the gate had been changed. It’s like a bunch of children are running things.

I’m not gonna fly Frontier Airlines because booking is not an option. No water or food is for high price, not equipped for health emergency incompetent crew for emergency services. Cheap airline shows it is cheaper in all service categories. Boarding is the best of all airlines!

We’ve all seen the YouTube vids of out of control passengers. But this was an instance of a highly aggressive, bully flight attendant. Yelling in the face of a vet with PTSD who was texting their family. And no , we had not yet been instructed to put our phones in airplane mode. My suggestion is that you should pay whatever difference there is in order to avoid Frontier airlines. Additionally, after 3hrs trying to get customer service frontier offered a $25 voucher. I declined. This experience was so traumatic. To be verbally assaulted and abused by a flight attendant that has the power to say “boo” and I miss my flight ( which was to a family member’s funeral ). Frontier is unsafe and I cannot impress enough how much I discourage anyone ( esp those with any kind of disability like PTSD ) flying on Frontier.

Very bad! No good service delayed my second connection flight

Everything you need to know for your flight from Denver to Phoenix

Information on your arrival and departure airports