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$68+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Phoenix are usually found in September or January, booked 70 days in advance, depart on a Saturday or Thursday 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 August 11, 2025.

Round-trip from

$95
(Cheapflightsfares)

One-way from

$70
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$167
From Denver Intl to Phoenix
Search Deals
One-way flight from Denver Intl to Phoenix
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Highest demand for flights based on searches. 8% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:35 amDEN - PHX
Nonstop2h 04mFrontier
Mon 10/2712:02 pmPHX - DEN
Nonstop2h 01mFrontier
Deal found 8/11$95
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:55 pmDEN - PHX
Nonstop2h 00mFrontier
Sun 10/199:59 pmPHX - DEN
Nonstop1h 57mFrontier
Deal found 8/10$97
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:40 amDEN - PHX
Nonstop2h 02mFrontier
Sun 9/146:00 amPHX - DEN
Nonstop1h 58mFrontier
Deal found 8/9$98
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:55 pmDEN - PHX
Nonstop1h 58mFrontier
Wed 9/178:00 amPHX - DEN
Nonstop2h 00mFrontier
Deal found 8/10$99
This Frontier deal was found by Cheapflights users on 8/10. 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.
Tue 9/910:40 amDEN - PHX
Nonstop2h 02mFrontier
Tue 9/168:00 amPHX - DEN
Nonstop2h 00mFrontier
Deal found 8/10$100
This Priceline deal was found by Cheapflights users on 8/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:00 pmDEN - PHX
Nonstop2h 02mFrontier
Sat 9/65:07 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 8/8$101
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:14 pmDEN - PHX
Nonstop1h 59mFrontier
Fri 9/56:18 pmPHX - DEN
Nonstop1h 54mFrontier
Deal found 8/9$102
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/112:01 pmDEN - PHX
Nonstop2h 03mFrontier
Mon 10/137:59 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 8/9$103
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:30 amDEN - PHX
Nonstop2h 02mFrontier
Sun 10/56:00 amPHX - DEN
Nonstop1h 58mFrontier
Deal found 8/10$104
This CheapOair deal was found by Cheapflights users on 8/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:29 pmDEN - PHX
Nonstop2h 00mFrontier
Sat 10/1112:14 pmPHX - DEN
Nonstop2h 01mFrontier
Deal found 8/9$105
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:23 pmDEN - PHX
Nonstop2h 00mFrontier
Sun 10/127:21 amPHX - DEN
Nonstop1h 57mFrontier
Deal found 8/11$106
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:29 pmDEN - PHX
Nonstop2h 00mFrontier
Tue 10/144:14 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 8/10$107

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 August 11, 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

Thu 10/23

6:35 am-7:39 am

Nonstop2h 04m

Phoenix Sky Harbor Intl

Mon 10/27

12:02 pm-3:03 pm

Nonstop2h 01m

$95

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 10/15

8:55 pm-9:55 pm

Nonstop2h 00m

Phoenix Sky Harbor Intl

Sun 10/19

9:59 pm-12:56 am

Nonstop1h 57m

$97

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 9/10

10:40 am-11:42 am

Nonstop2h 02m

Phoenix Sky Harbor Intl

Sun 9/14

6:00 am-8:58 am

Nonstop1h 58m

$98

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 9/16

8:55 pm-9:53 pm

Nonstop1h 58m

Phoenix Sky Harbor Intl

Wed 9/17

8:00 am-11:00 am

Nonstop2h 00m

$99

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 9/9

10:40 am-11:42 am

Nonstop2h 02m

Phoenix Sky Harbor Intl

Tue 9/16

8:00 am-11:00 am

Nonstop2h 00m

$100

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 9/6

3:00 pm-4:02 pm

Nonstop2h 02m

Phoenix Sky Harbor Intl

Sat 9/6

5:07 pm-8:03 pm

Nonstop1h 56m

$101

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 9/4

4:14 pm-5:13 pm

Nonstop1h 59m

Phoenix Sky Harbor Intl

Fri 9/5

6:18 pm-9:12 pm

Nonstop1h 54m

$102

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 10/11

2:01 pm-3:04 pm

Nonstop2h 03m

Phoenix Sky Harbor Intl

Mon 10/13

7:59 pm-10:55 pm

Nonstop1h 56m

$103

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 10/4

10:30 am-11:32 am

Nonstop2h 02m

Phoenix Sky Harbor Intl

Sun 10/5

6:00 am-8:58 am

Nonstop1h 58m

$104

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 10/10

10:29 pm-11:29 pm

Nonstop2h 00m

Phoenix Sky Harbor Intl

Wed 10/15

12:14 pm-3:15 pm

Nonstop2h 01m

$105

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 42 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
Airlines
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for extra comfort.


Frontier offers Zone 1 boarding with a carry-on bag or special fare bundle purchase.

Read more about Frontierby Marisa Garcia
Southwest

Enjoy free snacks and non-alcoholic beverages, plus a complimentary drink on special occasions.


Southwest offers free messaging and high-speed Wi-Fi for a fee on Wi-Fi-connected planes.

Read more about Southwestby Marisa Garcia
Airports
DEN

For a smooth departure, use the A Line train to reach DEN from downtown in 37 minutes, avoiding traffic and parking hassles.

Read more about DENby Emily Zemler
PHX

For a quick arrival at PHX, take a taxi to downtown Phoenix. It's faster and cheaper than rideshares, with a flat rate fare.

Read more about PHXby Brandon Schultz
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
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 August 8, 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 70 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 August 11, 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 26% versus a flight in the morning.

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 Saturday evenings when fares are most often at their lowest. Sunday mornings 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 August 11, 2025.

The most flights from DEN to PH1 are scheduled on a Sunday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).

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 August 11, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Denver to Phoenix. 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,978 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Hawaiian Airlines
7.8
Good
2,647 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,922 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

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 25 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 is the cheapest airline to fly from Denver to Phoenix round-trip?

    Frontier, at $95, was found to be the cheapest airline from Denver to Phoenix.. Frontier is priced at 44% lower than the current average price of a flight leaving 3 months from now.

  • 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: Frontier (74%), Air Canada (60%), Southwest (60%).

  • What are the cheapest flights from Denver to Phoenix?

    On average you can expect to pay $512 for a flight from Denver to Phoenix. The cheapest flight overall is $58 while the most popular route, (Denver Intl - Phoenix Sky Harbor Intl) is currently priced at $124.

  • 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$36Average$133FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$134Average$240FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$136Average$237FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$141Average$339FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$297FlexibilityNo cancel feeOn-timeN/A

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