Find cheap flights from Denver to Phoenix

DEN - PHX

Find cheap flights from Denver to Phoenix

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

Round-trip
Economy
Denver (DEN)
Phoenix Sky Harbor Intl
Fri 5/7
Fri 5/14
Any month
Compare vs. KAYAK |

Good to know

Low season

AugustBest time to beat the crowds with an average 54% drop in price.

High season

NovemberMost popular time to fly with an average 26% increase in price.

Average price round-trip

$152(avg. price over the last 2 weeks)

Good deal round-trip

$137or less

Good deal one-way

$77or less

When to book flights from Denver to Phoenix

Estimated round-trip price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $77 or less one-way and $137 or less round-trip.
  • The cheapest flight from Denver to Phoenix was found 13 days before departure, on average.
  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be October, November and December. The cheapest month to fly is August.
  • Morning departure is around 12% cheaper than an evening flight, on average*.
  • To limit your traveling time as much as possible, search for direct flights from Denver to Phoenix. While Frontier Airlines is a popular budget-friendly choice, United and American Airlines are known for having comfortable seats and providing in-flight entertainment.
  • Denver International Airport is proud to be completely bicycle friendly and conveniently provides travelers with complimentary bike parking. If you are traveling light and want to avoid driving or using a taxi, take your bike and use either Peña Boulevard or 56th Avenue to Valleyhead Road to access the airport.
  • If you would like to stretch your legs after your flight from Denver to Phoenix, look for the FitPHX in-airport walkway that is located in Terminal 4 of Phoenix Sky Harbor International Airport. This leisurely walking path will allow you to walk off any post-flight stiffness and burn some calories before heading to baggage claim or your final destination.
  • For travelers who get stressed when flying, keep your eyes open for the Canine Airport Therapy Squad in Denver International Airport. Volunteers accompany specially trained therapy dogs throughout the airport’s terminals in order to say hi to travelers and comfort anyone who may be feeling overwhelmed.
  • To check your email or get some work done before you board your flight, head to the business center near the B Gates of Denver International Airport. This center is equipped with high-speed WiFi, copying services, outlets, and desks, making it a convenient place to efficiently complete your to-do list.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking flights from Denver to Phoenix

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What is there to do at Denver International Airport?

What dining options are there at Denver International Airport?

Does Phoenix Sky Harbor International Airport have any pet relief areas?

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Top 3 airlines serving Denver Intl to Phoenix Sky Harbor Intl

Scores according to KAYAK customer reviews

7.2
American Airlines
Overall score based on 45,480 reviews
7.5
Boarding
7.1
Comfort
7.8
Crew
6.9
Entertainment
6.7
Food
Airline reviews

Cons: "We did not board until 2 hours after original schedule"

Pros: "Great crew! Smooth flight! Landed almost half an hour early!"
Cons: "It was an older plane but it flew fine"

Pros: "Smooth flight"
Cons: "Delayed due to unknown. But was expected due to weather in Denver"

Pros: "Short flight"
Cons: "It was so ht on the aircraft, Almost no aircirculation"

Pros: "great"

Pros: "Not using kayak"
Cons: "Kayak booked me the worst itinerary in the history of air travel!"

Cons: "Super TSA lines in Denver and American employees were less than accomadating or did not meet any kind of customer service expectation. Terrible airline!"

Pros: "The crew was friendly. Ticket cost was appropriate."
Cons: "Seats were HORRIBLY uncomfortable. I’m slender but tall and in my window seat my head hit the ceiling so I had to either slouch or turn my head to the side for the whole flight. In flight entertainment was awful (some weird sitcom loop) and the WiFi didn’t work with my phone nor laptop. Basically sat uncomfortably sideways with nothing to do for 2 hours. Flight also arrived late, causing transportation issues."

Pros: "The America flights were all ON TIME."
Cons: "The seats on this particular flight were not as good for my back and they no longer offer pillows to put behind my back."

Pros: "Ease of boarding"
Cons: "That AA does not follow my preferences. I was assigned a middle seat even though my preference is an aisle seat."

Pros: "Everything"
Cons: "Nothing"

Pros: "nice flight - nonstop got us exactly where we want"
Cons: "not a big selection on food... just cookies (although good it would be nice to have some selection)"

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: "Delayed flight due to crew."

Pros: "Cheap. Easy. Got me to my destination"

Cons: "I still have not received my luggage"

Pros: "Quick, easy boarding. Flight arrived, and left on time. Tickets were very affordable."
Cons: "How can I rate a 10 dollar sandwhich with a tiny bag of chips any higher? Entertainment? Non existent.. Wifi didnt work. I made several calls ahead of time to check if i can carry alcohol in 50 mL labelled bottles, sealed. I was told yes. Asked if i could drink them on the plane. Yes. Then I was told AFTER on plane consumption of my own alcohol that this was a federal offense. Epic mess up you guys.."

Pros: "Everything!"
Cons: "Nothing!"

Cons: "I had to leaves Denver early due to my granddaughter needing help. To sees switch returns my ticket it would cost me me $200.00 but it could get a retire ticket for that day for $40.00. Why couldn't that dollar amount come of my ticket . That was just crazy"

Pros: "I like that they have complimentary snacks"

Cons: "Small narrow seats"

Cons: "Turbulence was horrible That there is no internet"

Pros: "Kayak did not refund or have an option to exchange my ticket for a later time in the year."
Cons: "My tickets were 415.00 and I wanted to change the dates and couldn't since I bought from a third party I had to pay an extra 400."

Pros: "It was fine"

Pros: "All"

Pros: "Everything"

Pros: "Everybody was nice my ride was comfortable and they treat me with respect"
Cons: "I like everything"

Pros: "not beat up"
Cons: "people trying to get extra carry on on"

Cons: "I was told I had to check my duffle bag at the gate, that there was no room for it. When I dot to my dirty seat I found room for three of my bags in the overhead compartment."

Pros: "The flight was fine"
Cons: "Both flights each way where delayed significantly"

Cons: "Broken down seat cushion ."

Pros: "how easy it was to purchase ticket on kayak."
Cons: "Being charged for my checked bag unexpectedly at check in."

Cons: "The people were rude, the food was mediocre."

Cons: "Departure to late hard to get other fly conection ."

Pros: "Nothing"
Cons: "Uncomfortable. No entertainment."

Pros: "Space security manners"

Pros: "Seats were comfortab"
Cons: "The flight attendants, could have been a bit friendlier"

Pros: "We have no other complaints. It was all good."
Cons: "There was no air conditioner on the airplane . made it very uncomfortable ."

Cons: "They boarded group 1 all at once. I was group 2. They boarded all of us all at once. It was a cluster!. I haven't flew in 6 years. But when I did they boarded by so many rows. Not all at once . Boarding was horrible. It was like a cattle drive."

Pros: "Cool TV roomy seats , friendly staff."

Cons: "The new seats were so uncomfortable, I couldn't sit shoulder to shoulder with the people next to me"

Pros: "Overall good.."
Cons: "Good............."

Cons: "No movie, overnight flights would be great with side head rests, stewardesses were not nice, just ok"

Cons: "Equipment problems"

Pros: "I arrived safely at my destination on time. Airport was nice and clean in Reno."

Cons: "Missed it do to late take off"

Pros: "Everything from boarding to offloading went smoothly and orderly."

Pros: "On time, efficient"
Cons: "Hoping bag charge goes away."

Cons: "No direct flights"

Pros: "Good job"

Pros: "Good job"

Cons: "Smiles on statements. Plane was freezing cold. Lite didn’t work."

Pros: "Wheel chair service"
Cons: "A/C outlets and bathroom sink did not work"

Pros: "love when they turn off the lights"
Cons: "annoying late notifications of gate changes"

Pros: "Comfort and space"

Cons: "Glad we were able to watch a movie"

Cons: "I was sitting two rows from the bathroom and the entire time the bathroom reeked of urine. It was unbearable."

Pros: "The stewardess was very attentive"
Cons: "We waited about 20 min to take off and ended up coming in 30 min. late"

Pros: "Read above"

Pros: "They were effective at boarding"
Cons: "My display monitor didn’t work"

Cons: "Delayed flight"

Pros: "Excellent landing"

Pros: "On time and great professional staff throughout"

Pros: "Free WiFi with movies"

Pros: "Smooth landing!"
Cons: "Late 30”"

Pros: "Selection of films and TV"
Cons: "Late boarding, but no apology. Drinks service, but no snacks"

Cons: "Stuck me with a middle seat even though I fly frequently On United. In fact they gave me a special recognition on an earlier flight which was ridiculous as well because it was just a piece of paper that I had to go up to the podium to collect"

Pros: "Smooth flight. Early arrival. Friendly flight attendants."

Pros: "Nice new interior"

Cons: "Immediately after all passengers were boarded United discovered the plane had to be replaced. We all had to deplane, wait an hour more for a new A320, and reboard. Also irritating that delays are posted at 15 minute intervals and then updated; so you have to keep updating friends & family via WiFi. If it's predicted to be an hour, say so."

Pros: "Food was great"

Pros: "Not one thing!"
Cons: "The flight attendants seemed bored and completely uninterested in passengers and their jobs. Worst flight ever."

Cons: "Seats didn’t recline and were uncomfortable"

Cons: "I was very cold!"

Pros: "Everything ran as expected"
Cons: "Nothing"

Pros: "The food choices were good and the service was excellent, Always kind and responsive to my needs and attentive."
Cons: "Boarding could be done by letting people with window seats being seated first, then the middle seats next and finally aisle seats last! That way people would not have to get up from their seats after they have been sitting down to get back up to allow the people in the inner seat to get to their seats a pond boarding the plane after the people in the aisle seat are already sitting!"

Pros: "Got me home."
Cons: "Everything, see prior comments on Des Moines to Denver flight."

Pros: "The flight left on time and arrived early"
Cons: "The leg room was small. I'm an average height and that's not enough space for long legs."

Cons: "Couldn't get the tv to turn off, was making me feel nauseous. Seats don't acutally lean back to a comfortable level."

Pros: "Good crew, pleasant flight"
Cons: "Plane boarded front to back...never makes sense to me why they aren't boarded back to front. Seats could be more comfortable since they only recline a couple inches"

Pros: "The crew was very helpful and polite"
Cons: "Anything but water was for extra. We weren't even offered a small snack for the price of the flight. My flight was changed three times and it was very cramped. They said there would be entertainment, but it cost as much as a movie ticket. They also managed to lose my bags for the third time in a row."

Pros: "Nice new large plane, boarding was quick and the flight was fast"

Pros: "There was a lot of space and a quick departure."
Cons: "When we got to LA event though we were early we had to wait. I know its not the airlines fault but it sucked."

Pros: "Seats were comfortable - a first for me! It was also helpful to get delay information by text, though it wasn't very accurate."
Cons: "Timing of delay changed and ended up being very optimistic - we were much later leaving than we were told and further delayed when approaching Phx airport. United was not responsible for that, but the further delay meant changes in plans."

Pros: "I love United Airlines, I wish the tickets we're cheap all the time."
Cons: "I don't like to sit in the middle."

Pros: "Everything was fine."

Pros: "I got home safely and enjoyed the flight"
Cons: "No negatives"

Pros: "The kindness of the staff."
Cons: "Having to go back to Denver because of a storm-in Omaha."

Pros: "Got me a flight at last minute to get home."
Cons: "The overhead compartments rattled alot"

Pros: "Flight left on time."
Cons: "It was berry cold on the plane!"

Pros: "Everything was fine once I got on board the aircraft"
Cons: "Once again I had to see an agent to get a seat assignment on a 30 min layover. I though I got an upgraded seat but instead they gave me the wrong boarding pass. Same last name different first name so I had to wait till it got figured out and then be the last person to board so once again I couldn't find a place for my bag. Probably one of the worse flying experience I've had in a while"

Pros: "Overall very good. Friendly staff and timely arrival and departure"
Cons: "More leg room (on first flight) and drinks with ice!"

Pros: "Just happy to be home"
Cons: "That I asked to be put on an affiliate airline they didn't offer which was perfect because I was able to get home to get medical attention"

Pros: "Nothing"
Cons: "Everything. United made no apologies."

Cons: "Delayed 3 times. United is known for delays, everyone jokes about United delays!"

Cons: "Their plane broke down, no assigned gates ,"

Pros: "The crew was awesome. I didn't have any food."
Cons: "I was very cramped. The 2 guys beside me were squished. The plane was 3 seats on both sides."

Pros: "Met a cute girl!"

Pros: "As I had stated in the first part of the survey the crew members were again very friendly & helpful"
Cons: "I was surprised at how little space there was for a taller person & again the price's for the food & beverages I thought was very pricey for the average person."

Cons: "Boarding could be better. It’s could be organized."

Cons: "Good service"

Pros: "I was left high and dry in Denver airport for over 12 hours because I was never notified of the change in connecting flight from AM to PM! I am absolutely livid. The Frontier agents weren't helpful at all in finding me an alternate flight. #wasteofmytime #NeverAgain"
Cons: "I was left high and dry in Denver airport for over 12 hours because I was never notified of the change in connecting flight from AM to PM! I am absolutely livid. The Frontier agents weren't helpful at all in finding me an alternate flight. #wasteofmytime #NeverAgain"

Pros: "Nothing."
Cons: "Late departure again! Poor everything! Frontier sucks!"

Pros: "Nothing"
Cons: "Everything"

Cons: "The plane was cramped and uncomfortable. I also don’t like all the additional baggage fees tacked on to the original ticket price. I didn’t expect that when i first bought the tickets."

Cons: "Have passengers with no carry on off the plane first."

Cons: "too costly for baggage fees, seat assignments and beverage"

Pros: "Denver airport is really nice"
Cons: "Marginally better boarding than JAX"

Pros: "Nothing"
Cons: "Everything. The staff kept lying about the fueling issue. They kept blaming the fuel tankers being frozen. They said 3 of them came, however i sat on the window seat and only one tanker came. After being delayed for 2 hrs and 15 minutes, when we got to cruise altitude they asked us for money for water. Are you serious? Also i was told that same plane will depart from Denver to Phoenix. I was told the same thing while in Chicago, during the flight to Denver and in Denver. It turns out everyone knew the flight left already from Denver to Phoenix. Needless to say, I won’t be flying with frontier ever again."

Cons: "Delay out...and delay upon arrival."

Pros: "Easy check in"

Pros: "We got there safely."
Cons: "They made the flight more than an hour late so that 12 people could make a connection. I understand having some compassion, but more than an hour? What about the rest of us who, do to the sardine can nature of plane travel these days, had to all listen to each other call their appointment s and explain the delay? Also, they charge for nearly everything -- soda, checked luggage ($45 for one!), carry on. I won't choose Frontier again unless it's my only choice."

Pros: "I was able to get from point a to point b with no issues"

Pros: "Didn't take flight"
Cons: "Don't overbook take care of customers. You have booked if you are late for flights you enter into contracts with them follow through"

Pros: "I lived"
Cons: "When I tried to get on at the last minute from Denver to Phoenix the girl at the desk right before I got on was acting like a jerk, other than that everything else was ok, definitely would be better if there was USB ports and if I'm gonna spend $7.99 on a shot of whiskey it would at least fill the glass up and the plane sounded like it needed repairs"

Pros: "Same"
Cons: "Same"

Cons: "I can't believe you have to pay $40 for carryon!!!"

Pros: "Nothing"
Cons: "Delays!"

Cons: "The seats were small and cramped. The flight was almost 40 minutes late due to delays in other flights. Our plane was there well before 955 but we didnt leave until after 1030 due to delays in other flights that had passengers for our flight on board."

Pros: "Crew was great"
Cons: "No food or drinks served Additional cost just to chose seats was crazy! Charging for a carry one...really? That is just madness and greed."

Pros: "Same"
Cons: "Same"

Pros: "The crew"
Cons: "Biggest regret buying this "discounted" ticket. Not a real discount. Found out there were a bunch of hidden fees when I was checking in. They charge $60 for the checked bag EACH WAY and was super shocked they charge for a CARRYON!! Unbelievable. None of the regular seats recline whatsoever unless you pay more hidden fees just to have your seat not be straight up the entire time, and there is no front table to put a computer. To save another dime, they installed some super cheap 6 inch x 3 inch mini ledges that they call tables. I'll NEVER fly with Frontier again. They also refused to let me check in early so I had to sit and wait for hours since they refused to give me a boarding pass until I came all the way back to ticketing exactly and only exactly at 2 hours before boarding. Worst flight. A total shame since the crew was incredibly nice."

Pros: "The cost of the flight"
Cons: "No complimentary beverages or snacks"

Pros: "Boarding was swift"
Cons: "I checked to see how much it cost to pay for my 2 checked bags online, it was 25.00 each. This was on a Sunday. Come Monday I went to pay for my two bags online but now it cost 35.00 per bag, WOW!!!"

Cons: "Flight delayed To much extra charges (seat, carry on, etc)"

Pros: "The people around me who were miserable too"
Cons: "The seats were horrible , the cost of food and drink was outrageous"

Pros: "Not much"
Cons: "This used to be our favorite airline about 6-7 years ago. Now it's just a last minute ticket availability decision for only very short trips!! So uncomfortable, rude attendants and so many fees!!!"

Cons: "Lost luggage"

Pros: "The customer service agent st the desk was friendly."
Cons: "I arrived 90 minutes before boarding and missed cutoff for bag delivery because of poor flight time staggering and understaffing at the checkin desk. And now my flight is twice as expensive because of changing flight And bag fees. I'm very stressed by this experience and will never take this airline again if I can avoid it."

Pros: "That they waited for a plane to get in and take the passengers who were already booked. Between the holidays and bad weather, it was the right thing to do."

Cons: "A completely unprofessional,disorganized and disappointing experience. I will be sure to steer everyone away from this airline in the future"

Pros: "nothing."
Cons: "all of it."

Pros: "New planes. Plenty of leg room. Good customer service"
Cons: "The checked luggage came in two waves. The second took about 45 minutes."

Pros: "Noting"
Cons: "Everything"

Pros: "NOTHING"
Cons: "Was late going and coming back"

Pros: "Finally getting home"
Cons: "Employees were helpful"

Pros: "The boarding experience is terrible. The PA system and boarding announcements are poor, can barely be heard. On the video screen that lists the flight and (revised to an hour later) departure time, list the boarding zone(s) currently loading. It's a free-for-all among the passengers in the lobby jockeying for position to load."

Pros: "the price"
Cons: "We left Denver 50 min past our scheduled departure which made us late arriving in Phoenix."

Cons: "It was 20 min late."

Pros: "Fly delay 3 hrs. Waiting 4 pilot . they make us wait inside plain no air conditiloner. Super hot"
Cons: "Nothing"

Pros: "Nothing"
Cons: "It was over 2 hours late and we sat on plane for 45 minutes waiting for a pilot! I will never fly Frontier again!!"

Pros: "The crew was nice"
Cons: "The seats, leg room, bag prices, pay for any food or drink(i.e. Soda, but water was free)."

Pros: "I was surprised with how smooth the boarding process was, how clean the plane was, and how nice the flight attendants were."

Pros: "Nothing"
Cons: "Ground crew was not ready… 20 minute wait. Couldn't attach jetway… 25 minute wait. Baggage was delayed 45 minutes."

Cons: "Flight delayed"

Cons: "NO BAGGAGE & VERY LATE AT NIGHT"

Pros: "Boarding seemed to move really quick and seats were comfortable and seemed roomy."
Cons: "Flight was an hour late leaving. Check in at ticket counter was beyond packed, the line wrapped around."

Pros: "Crew very nice. Ticket and gate agents helpful, although a little stressed."
Cons: "Seating cramped and uncomfortable. Plane on this leg of my trip dirty - didn't want to place my purse under seat due to filthy carpet. Piece of window trim fell off during boarding; took 40 min to get maintenance to come up with roll of duct tape and make temp fix - flight delayed more than 1 hr overall."

Cons: "Again I paid for emergency exit seats and people moved into those seats from other Rows after the plane was boarded that did not pay for those seats I feel ripped off"

Read more about American Airlines
COVID-19 information

Safety measures for airlines flying from Denver to Phoenix

Airlines flying from Denver to Phoenix 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 Denver to Phoenix

Mandatory masks

Masks required on board, masks provided on flights from Denver to Phoenix

Social distancing seating

Middle seats unavailable to book on flights from Denver to Phoenix

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Denver to Phoenix

Book cheap flights from Denver to Phoenix

Recent round-trip flight deals

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Recent one-way flight deals

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