Cheap Flights from Phoenix to Denver
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Flights from Phoenix to Denver
Find cheap flights from Phoenix to Denver
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
PHX 05:401h 56mNonstopDEN 08:36Phoenix - Denver | Tue, Apr 22 | Frontier Airlines
DEN 22:532h 5mNonstopPHX 23:58Denver - Phoenix | Tue, Apr 22 | Frontier AirlinesUS$37 US$23885% OFF85% OFFUS$238 US$37 -
PHX 05:501h 56mNonstopDEN 08:46Phoenix - Denver | Tue, May 6 | Frontier Airlines
DEN 22:532h 2mNonstopPHX 23:55Denver - Phoenix | Tue, May 6 | Frontier AirlinesUS$37 US$23884% OFF84% OFFUS$238 US$37
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PHX 20:571h 58mNonstopDEN 23:55Phoenix - Denver | Thu, Apr 17 | Frontier Airlines
DEN 06:202h 4mNonstopPHX 07:24Denver - Phoenix | Mon, Apr 21 | Frontier AirlinesUS$40 US$23883% OFF83% OFFUS$238 US$40
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PHX 19:471h 57mNonstopDEN 22:44Phoenix - Denver | Thu, May 1 | Frontier Airlines
DEN 22:532h 2mNonstopPHX 23:55Denver - Phoenix | Wed, May 7 | Frontier AirlinesUS$4880% OFFUS$238 US$48
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PHX 05:401h 56mNonstopDEN 08:36Phoenix - Denver | Wed, Apr 23 | Frontier Airlines
DEN 22:532h 5mNonstopPHX 23:58Denver - Phoenix | Wed, Apr 30 | Frontier AirlinesUS$5975% OFFUS$238 US$59
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PHX 19:351h 53mNonstopDEN 22:28Phoenix - Denver | Thu, Apr 24 | Frontier Airlines
DEN 19:162h 1mNonstopPHX 20:17Denver - Phoenix | Mon, Apr 28 | Frontier AirlinesUS$5975% OFFUS$238 US$59
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PHX 07:181h 54mNonstopDEN 10:12Phoenix - Denver | Mon, Jun 9 | Frontier Airlines
DEN 07:301h 57mNonstopPHX 08:27Denver - Phoenix | Wed, Jun 11 | Frontier AirlinesUS$6174% OFFUS$238 US$61
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PHX 05:501h 56mNonstopDEN 08:46Phoenix - Denver | Wed, May 7 | Frontier Airlines
DEN 07:202h 4mNonstopPHX 08:24Denver - Phoenix | Thu, May 8 | Frontier AirlinesUS$6274% OFFUS$238 US$62
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PHX 05:501h 58mNonstopDEN 08:48Phoenix - Denver | Wed, May 28 | Frontier Airlines
DEN 22:531h 58mNonstopPHX 23:51Denver - Phoenix | Sat, May 31 | Frontier AirlinesUS$6672% OFFUS$238 US$66
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PHX 06:001h 53mNonstopDEN 08:53Phoenix - Denver | Sun, Apr 20 | Frontier Airlines
DEN 22:532h 5mNonstopPHX 23:58Denver - Phoenix | Tue, Apr 22 | Frontier AirlinesUS$21211% OFFUS$238 US$212
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PHX 13:0017h 25m1 stopsDEN Invalid DatePhoenix - Denver | Sat, Apr 19 | Normal Airline
DEN 15:006hNonstopPHX 16:00Denver - Phoenix | Mon, Apr 21 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
PHX 20:571h 58mNonstopDEN 23:55Phoenix - Denver | Thu, Apr 17 | Frontier AirlinesUS$25 US$12379% OFF79% OFFUS$123 US$25
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PHX 19:351h 53mNonstopDEN 22:28Phoenix - Denver | Wed, Apr 30 | Frontier AirlinesUS$28 US$12377% OFF77% OFFUS$123 US$28
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PHX 05:501h 56mNonstopDEN 08:46Phoenix - Denver | Sat, May 3 | Frontier AirlinesUS$29 US$12376% OFF76% OFFUS$123 US$29
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PHX 19:351h 53mNonstopDEN 22:28Phoenix - Denver | Wed, Apr 23 | Frontier AirlinesUS$3076% OFFUS$123 US$30
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PHX 05:501h 56mNonstopDEN 08:46Phoenix - Denver | Wed, May 7 | Frontier AirlinesUS$3075% OFFUS$123 US$30
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PHX 10:001h 56mNonstopDEN 12:56Phoenix - Denver | Sat, Apr 19 | Frontier AirlinesUS$3075% OFFUS$123 US$30
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PHX 05:401h 56mNonstopDEN 08:36Phoenix - Denver | Thu, Apr 24 | Frontier AirlinesUS$3274% OFFUS$123 US$32
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PHX 15:151h 56mNonstopDEN 18:11Phoenix - Denver | Fri, Apr 25 | Frontier AirlinesUS$3373% OFFUS$123 US$33
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PHX 05:401h 56mNonstopDEN 08:36Phoenix - Denver | Sat, Apr 26 | Frontier AirlinesUS$6547% OFFUS$123 US$65
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PHX 20:571h 58mNonstopDEN 23:55Phoenix - Denver | Mon, Apr 21 | Frontier AirlinesUS$11011% OFFUS$123 US$110
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PHX 13:0017h 25m1 stopsDEN Invalid DatePhoenix - Denver | Sat, Apr 19 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Cheapest airlines flights from Phoenix to Denver
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frequently Asked Questions
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When are flight tickets from Phoenix (PHX) to Denver (DEN) the cheapest?
Airlines adjust prices for flights from Phoenix to Denver based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Phoenix (PHX) to Denver (DEN) cost?
According to Trip.com's data, the lowest price is around $188. -
How long does it take to fly from Phoenix (PHX) to Denver (DEN) and what is the distance?
It takes around 3 hours 10 minutes to fly from Phoenix (PHX) to Denver (DEN). -
What are the most popular airlines that fly from Phoenix (PHX) to Denver (DEN)?
Airlines with flights from Phoenix (PHX) to Denver (DEN): Alaska Airlines, Frontier Airlines, United Airlines, Southwest Airlines, Air Canada and Copa Airlines.
How to find a cheap flight from Phoenix to Denver
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Phoenix to Denver. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest Phoenix to Denver ticket.
Tap "Date" on flight search bar to scan through the calender for Phoenix to Denver airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Thu, Apr 17 at US$25 for one-way flights.
Compare cheap Phoenix to Denver flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Phoenix to Denver. The cheapest airline operating is Frontier Airlines.
Set up a Price Alert
By setting up a Price Alert for your Phoenix to Denver route, you can easily track the price of your airline tickets from Phoenix to Denver without manually checking every day.
Don't miss cheap Phoenix to Denver flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Phoenix to Denver to get exclusive deals for you.
Phoenix to Denver Flight Information
| Cheapest one-way flight price | $25 |
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| Cheapest round-trip ticket price | $36 |
| Off-season for travel | March |
| Peak season for travel | June |
| Flight distance | 970.46 km |
| Average flight time | 3 hours 10 minutes |
| Popular airline | Delta Air Lines |
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