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$38+ Cheap flights from Colorado 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Colorado to Phoenix

Cheapest flights from Colorado to Phoenix
Explore the most affordable flight options available from Colorado to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:29 pmDEN - PHX
Nonstop2h 00mFrontier
Wed 12/317:00 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 12/15$77
This Frontier deal was found by Cheapflights users on 12/15. 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.
Thu 12/256:15 amDEN - PHX
Nonstop2h 06mFrontier
Thu 12/2510:31 pmPHX - DEN
Nonstop1h 54mFrontier
Deal found 12/15$78
This CheapOair deal was found by Cheapflights users on 12/14. 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.
Thu 12/256:15 amDEN - PHX
Nonstop2h 06mFrontier
Wed 12/317:00 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 12/14$79
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:29 pmDEN - PHX
Nonstop2h 00mFrontier
Thu 12/259:31 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 12/15$86
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:26 pmDEN - PHX
Nonstop2h 07mFrontier
Mon 1/510:31 pmPHX - DEN
Nonstop1h 54mFrontier
Deal found 12/14$99
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:35 amDEN - PHX
1 stop12h 32mFrontier
Sun 1/186:50 amPHX - DEN
Nonstop1h 54mFrontier
Deal found 12/14$110
This Frontier deal was found by Cheapflights users on 12/15. 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.
Wed 12/3110:37 pmDEN - PHX
1 stop10h 11mFrontier
Wed 1/78:05 amPHX - DEN
Nonstop1h 57mFrontier
Deal found 12/15$111
This Frontier deal was found by Cheapflights users on 12/14. 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.
Thu 12/256:15 amDEN - PHX
Nonstop2h 06mFrontier
Thu 1/17:00 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 12/14$113
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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.
Mon 12/2910:37 pmDEN - PHX
1 stop10h 11mFrontier
Thu 1/17:00 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 12/15$120
This Super.com deal was found by Cheapflights users on 12/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:29 pmDEN - PHX
Nonstop2h 00mFrontier
Tue 1/67:39 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 12/14$122
This United Airlines deal was found by Cheapflights users on 12/15. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:25 pmMTJ - PHX
1 stop7h 24mUnited Airlines
Thu 1/18:10 amPHX - MTJ
1 stop6h 34mUnited Airlines
Deal found 12/15$211
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/303:24 pmHDN - PHX
1 stop8h 05mAmerican Airlines
Thu 1/15:00 amPHX - HDN
1 stop7h 30mAmerican Airlines
Deal found 12/15$211

Find flight deals from Colorado to Phoenix

Keep the following information in mind while searching for Colorado to Phoenix flight deals. Data was last updated December 16, 2025.

Round-trip from

$69
(Frontier)

One-way from

$38
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$188
From Colorado to Phoenix
Search Deals
One-way flight from Colorado to Phoenix
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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 December 16, 2025.
Use the filters below to find and compare flights from Colorado to Phoenix that are best for you.

Fly from

Colorado

Fly to

Phoenix

Route

Depart

Return

Price

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 1/14

12:34 pm-7:25 pm

1 stop6h 51m

Phoenix Sky Harbor Intl

Sat 1/17

3:45 pm-11:58 pm

1 stop8h 13m

$136

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 1/14

12:34 pm-7:25 pm

1 stop6h 51m

Phoenix Sky Harbor Intl

Tue 1/20

3:45 pm-11:58 pm

1 stop8h 13m

$136

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 1/14

12:34 pm-7:25 pm

1 stop6h 51m

Phoenix Sky Harbor Intl

Sun 1/18

8:07 pm-11:38 am

1 stop15h 31m

$136

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 1/23

12:34 pm-7:25 pm

1 stop6h 51m

Phoenix Sky Harbor Intl

Tue 1/27

3:45 pm-11:58 pm

1 stop8h 13m

$156

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 1/15

12:34 pm-7:25 pm

1 stop6h 51m

Phoenix Sky Harbor Intl

Sun 1/18

8:07 pm-11:38 am

1 stop15h 31m

$156

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 2/6

7:39 pm-2:00 pm

1 stop18h 21m

Phoenix Sky Harbor Intl

Tue 2/10

8:24 am-11:58 pm

1 stop15h 34m

$156

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 1/27

8:04 am-2:00 pm

1 stop5h 56m

Phoenix Sky Harbor Intl

Thu 1/29

11:41 am-6:41 pm

1 stop7h 00m

$156

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 2/27

6:45 pm-11:42 pm

1 stop4h 57m

Phoenix Sky Harbor Intl

Tue 3/3

12:28 pm-5:48 pm

1 stop5h 20m

$156

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Fri 1/30

1:51 pm-10:04 pm

1 stop8h 13m

Phoenix Sky Harbor Intl

Sun 2/1

3:59 pm-1:06 pm

1 stop21h 07m

$187

DenverPhoenix

DEN - AZA

DENAZA

Denver Intl

Sun 2/22

9:00 am-9:14 pm

1 stop12h 14m

Phoenix-Mesa Gateway

Thu 2/26

11:00 am-2:51 pm

1 stop27h 51m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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Best time to book a flight from Colorado to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from Colorado 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 Colorado to Phoenix

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

Currently, May is the cheapest month in which you can book a flight from Colorado to Phoenix (average of $49). Flying from Colorado to Phoenix in July is currently the most expensive (average of $97). 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 CO to PHX?

Find hourly flight availability from Colorado 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 December 16, 2025.

It’s optimal to fly from Colorado to Phoenix in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Colorado to Phoenix. Price data was last updated on October 19, 2025.

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

Related info for your journey

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

  • How long is the flight from Colorado to Phoenix?

    There are many flights that can get you from Colorado to Phoenix in 2h 05m. Fly via Frontier to get the fastest option. The distance between Colorado and Phoenix is about 601 mi. All flights are typically nonstop.

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

    $32 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $68 and $69, respectively.

  • What are the most popular routes from Colorado to Phoenix?

    Most travelers choose Denver Intl - Phoenix Sky Harbor Intl, Colorado Springs - Phoenix Sky Harbor Intl or Denver Intl - Phoenix-Mesa Gateway when deciding on the best route from Colorado to Phoenix.

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

    The top 3 most reliable airlines when flying from Colorado to Phoenix are Alaska Airlines (81%), Lufthansa (80%) and United Airlines (80%).

  • What are the cheapest flights from Colorado to Phoenix?

    On average you can expect to pay $301 for a flight from Colorado to Phoenix. The cheapest flight overall is $29 while the most popular route, (Denver Intl - Phoenix Sky Harbor Intl) is currently priced at $53.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado 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 Colorado to Phoenix?

    Currently, May is the cheapest month in which you can book a flight from Colorado to Phoenix (average of $49). Flying from Colorado to Phoenix in July is currently the most expensive (average of $97). 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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Top 7 airlines flying from Colorado to Phoenix

Discover the top 7 airlines that operate flights from Colorado 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$49Average$153FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$78Average$120FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$136Average$421FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$137Average$462FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$144Average$303FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$297FlexibilityNo cancel feeOn-timeN/A
Denver Air ConnectionCheapest$238Average$408FlexibilityNo cancel feeOn-timeN/A

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