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$57+ Cheap flights from Denver (DEN) to Phoenix

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Phoenix are usually found in July or August, booked 39 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Denver to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Phoenix (PH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 21, 2025.

Round-trip from

$113
(Frontier)

One-way from

$59
(Cheapflightsfares)

Popular in

March

Cheapest in

July

Average price

$188
From Denver Intl to Phoenix
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One-way flight from Denver Intl to Phoenix
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Highest demand for flights based on searches. 13% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Denver to Phoenix

Cheapest flights from Denver to Phoenix
Explore the most affordable flight options available from Denver to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/121:51 pmDEN - PHX
Nonstop2h 05mFrontier
Sat 4/125:55 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 3/20$113
This FlightHub deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2710:39 pmDEN - PHX
Nonstop2h 02mMultiple Airlines
Fri 5/3010:10 amPHX - DEN
1 stop3h 55mMultiple Airlines
Deal found 3/19$186
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/122:45 pmDEN - PHX
Nonstop1h 55mSouthwest
Sun 4/1310:10 pmPHX - DEN
Nonstop1h 45mSouthwest
Deal found 3/20$187
This American Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/208:01 amDEN - PHX
Nonstop2h 07mAmerican Airlines
Fri 5/237:56 pmPHX - DEN
Nonstop1h 43mAmerican Airlines
Deal found 3/20$188
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/186:05 pmDEN - PHX
1 stop6h 28mDelta
Sat 4/191:30 pmPHX - DEN
1 stop4h 40mDelta
Deal found 3/20$202
This United deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:57 amDEN - PHX
Nonstop1h 56mUnited Airlines
Mon 5/266:00 amPHX - DEN
Nonstop1h 50mUnited Airlines
Deal found 3/20$247
This Alaska Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:00 amDEN - PHX
1 stop8h 12mAlaska Airlines
Sat 5/109:00 amPHX - DEN
2 stops11h 15mAlaska Airlines
Deal found 3/20$315
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/185:17 pmDEN - AZA
1 stop22h 26mMultiple Airlines
Sun 4/206:30 amAZA - DEN
1 stop9h 45mMultiple Airlines
Deal found 3/20$347
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/115:58 pmDEN - AZA
1 stop22h 15mAllegiant Air
Sun 7/139:43 amAZA - DEN
1 stop20h 27mAllegiant Air
Deal found 3/20$378
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/136:30 pmDEN - AZA
1 stop22h 34mSun Country Air
Thu 4/175:30 pmAZA - DEN
1 stop17h 10mSun Country Air
Deal found 3/20$465

Cheapflights Fare Finder

Customize your flight search to find flights from Denver to Phoenix that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 21, 2025.
Use the filters below to find and compare flights from Denver to Phoenix that are best for you.

Fly from

Denver

Fly to

Phoenix

Route

Depart

Return

Price

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 4/12

1:51 pm-2:56 pm

Nonstop2h 05m

Phoenix Sky Harbor Intl

Sat 4/12

5:55 pm-8:51 pm

Nonstop1h 56m

$113

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 5/27

10:39 pm-11:41 pm

Nonstop2h 02m

Phoenix Sky Harbor Intl

Fri 5/30

10:10 am-3:05 pm

1 stop3h 55m

$186

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 4/12

2:45 pm-3:40 pm

Nonstop1h 55m

Phoenix Sky Harbor Intl

Sun 4/13

10:10 pm-12:55 am

Nonstop1h 45m

$187

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 5/20

8:01 am-9:08 am

Nonstop2h 07m

Phoenix Sky Harbor Intl

Fri 5/23

7:56 pm-10:39 pm

Nonstop1h 43m

$188

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 4/18

6:05 pm-11:33 pm

1 stop6h 28m

Phoenix Sky Harbor Intl

Sat 4/19

1:30 pm-7:10 pm

1 stop4h 40m

$202

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sun 4/27

4:00 pm-9:00 am

1 stop18h 00m

Phoenix Sky Harbor Intl

Thu 5/1

10:10 am-3:05 pm

1 stop3h 55m

$231

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 5/24

7:57 am-8:53 am

Nonstop1h 56m

Phoenix Sky Harbor Intl

Mon 5/26

6:00 am-8:50 am

Nonstop1h 50m

$247

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 4/30

12:21 pm-7:55 pm

1 stop8h 34m

Phoenix Sky Harbor Intl

Sat 5/3

9:00 am-11:59 pm

2 stops13h 59m

$311

DenverPhoenix

DEN - AZA

DENAZA

Denver Intl

Fri 4/18

5:17 pm-2:43 pm

1 stop22h 26m

Phoenix-Mesa Gateway

Sun 4/20

6:30 am-5:15 pm

1 stop9h 45m

$347

DenverPhoenix

DEN - AZA

DENAZA

Denver Intl

Fri 7/11

5:58 pm-3:13 pm

1 stop22h 15m

Phoenix-Mesa Gateway

Sun 7/13

9:43 am-7:10 am

1 stop20h 27m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 24 results
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The best insider tips for Denver to Phoenix flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Phoenix trip
Airports
DEN

For a quick security experience at DEN, use the DEN Reserve to book a time slot online for general screening.

Read more about DENby Emily Zemler
PHX

Take the PHX Sky Train to 44th Street Station for quick, inexpensive access to Downtown Phoenix via light rail.

Read more about PHXby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Denver to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Phoenix. Price data was last updated on March 14, 2025.

The price you pay for your flight from Denver to Phoenix may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Denver to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Denver to Phoenix (average of $258). Flying from Denver to Phoenix in March is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to PHX?

Find hourly flight availability from Denver to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 21, 2025.

When flying from Denver to Phoenix, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 33% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Denver to Phoenix. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Phoenix flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to Phoenix

Explore weekly flight availability from Denver to Phoenix. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 21, 2025.

The most flights from DEN to PH1 are scheduled on a Thursday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

Rainfall in Phoenix by month

Plan your trip to Phoenix by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix when rainfall is around 0.0 in.

Temperature in Phoenix by month

Plan your trip to Phoenix by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phoenix. Reviews last updated March 21, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Denver to Phoenix have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,281 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,281 reviews
Southwest
8.1
Very good
4,281 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,759 reviews
Southwest
8.1
Very good
4,281 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,281 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.1
Very good
4,281 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
732 reviews
Southwest
8.1
Very good
4,281 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Denver to Phoenix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Phoenix?

    Denver Intl (DEN) is the airport you will fly out of if you book a flight from Denver to Phoenix. You should not have trouble finding flights to Phoenix from Denver Intl; the airport handles an average of 41 outbound flights to Phoenix per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Denver airport to Phoenix. It is only a 18.5 mi journey to Denver Intl (DEN) from Denver’s city center.

  • What are the cheapest airlines flying from Denver to Phoenix round-trip?

    Frontier, at $113, was found to be the cheapest airline from Denver to Phoenix.Alternate airlines to your destination round-trip include Southwest and American Airlines. Frontier is priced at 20% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Denver to Phoenix one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $59. United Airlines flights start at $79 while deals on American Airlines start at $94 one-way.

  • What are the most reliable airlines from Denver to Phoenix?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to Phoenix on time: United Airlines (83%), Air Canada (83%), Frontier (81%).

  • What are the cheapest flights from Denver to Phoenix?

    On average you can expect to pay $397 for a flight from Denver to Phoenix. The cheapest flight overall is $37 while the most popular route, (Denver Intl - Phoenix Sky Harbor Intl) is currently priced at $118.

  • Can I find deals for flights from Denver to Phoenix that include hotel bookings?

    Yes. In addition to deals on Denver to Phoenix flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Phoenix?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Phoenix.

  • Can I find deals for business class flights from Denver to Phoenix?

    Yes. Cheapflights offers flight deals from Denver to Phoenix by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Phoenix?

    Currently, January is the cheapest month in which you can book a flight from Denver to Phoenix (average of $258). Flying from Denver to Phoenix in March is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Denver to Phoenix

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Top 5 airlines flying from Denver to Phoenix

Discover the top 5 airlines that operate flights from Denver to Phoenix. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$36Average$123FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$124Average$237FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$135Average$338FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$136Average$239FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$273FlexibilityNo cancel feeOn-timeN/A
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