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$53+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
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 June 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Fri 8/2110:36 pm
DEN
-
PHX
Nonstop1h 58m
Frontier
Sun 8/305:15 am
PHX
-
DEN
Nonstop1h 56m
Frontier
Deal found 6/16$112
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Fri 7/319:15 am
DEN
-
PHX
Nonstop1h 56m
Frontier
Wed 8/54:49 pm
PHX
-
DEN
Nonstop1h 58m
Frontier
Deal found 6/14$113
This Priceline deal was found by Cheapflights users on 6/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:35 am
DEN
-
PHX
Nonstop2h 07m
Frontier
Wed 9/233:40 pm
PHX
-
DEN
Nonstop1h 55m
Frontier
Deal found 6/14$114
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 8/2910:36 pm
DEN
-
PHX
Nonstop1h 58m
Frontier
Mon 8/318:40 am
PHX
-
DEN
Nonstop2h 03m
Frontier
Deal found 6/16$115
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sat 8/2210:36 pm
DEN
-
PHX
Nonstop1h 58m
Frontier
Tue 9/14:29 pm
PHX
-
DEN
Nonstop1h 53m
Frontier
Deal found 6/15$116
This Frontier deal was found by Cheapflights users on 6/14. 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.
Mon 8/317:47 pm
DEN
-
PHX
Nonstop2h 02m
Frontier
Mon 9/75:15 am
PHX
-
DEN
Nonstop1h 56m
Frontier
Deal found 6/14$117
This Frontier deal was found by Cheapflights users on 6/14. 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.
Sun 8/3010:36 pm
DEN
-
PHX
Nonstop1h 58m
Frontier
Tue 9/810:57 am
PHX
-
DEN
Nonstop1h 59m
Frontier
Deal found 6/14$118
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 8/511:41 am
DEN
-
PHX
Nonstop1h 59m
Frontier
Fri 8/76:40 am
PHX
-
DEN
Nonstop1h 59m
Frontier
Deal found 6/13$119
This Super.com deal was found by Cheapflights users on 6/17. 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 8/52:46 pm
DEN
-
PHX
Nonstop1h 58m
Frontier
Sat 8/86:40 am
PHX
-
DEN
Nonstop1h 59m
Frontier
Deal found 6/17$120
This Super.com deal was found by Cheapflights users on 6/16. 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 8/122:46 pm
DEN
-
PHX
Nonstop1h 58m
Frontier
Sat 8/151:15 pm
PHX
-
DEN
Nonstop1h 59m
Frontier
Deal found 6/16$121
This Frontier deal was found by Cheapflights users on 6/14. 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.
Wed 9/29:01 am
DEN
-
PHX
Nonstop2h 01m
Frontier
Sat 9/510:57 am
PHX
-
DEN
Nonstop1h 59m
Frontier
Deal found 6/14$122
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/297:25 am
DEN
-
PHX
1 stop9h 06m
Frontier
Wed 8/511:17 am
PHX
-
DEN
Nonstop1h 56m
Frontier
Deal found 6/14$123

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 June 17, 2026.

Round-trip from

$112
(Kiwi.com)

One-way from

$53
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$225
From Colorado to Phoenix
Search Deals
One-way flight from Colorado to Phoenix
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($12 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 June 2026
Search Deals

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 June 17, 2026.
Use the filters below to find and compare flights from Colorado to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 7/15

11:00 am-1:40 pm

1 stop3h 40m

Phoenix Sky Harbor Intl

Wed 7/22

8:10 am-1:35 pm

1 stop4h 25m

$212

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 8/1

6:00 am-12:23 pm

1 stop7h 23m

Phoenix Sky Harbor Intl

Mon 8/3

3:13 pm-11:30 pm

1 stop7h 17m

$234

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 7/3

12:45 pm-4:13 pm

1 stop4h 28m

Phoenix Sky Harbor Intl

Tue 7/21

1:20 pm-8:01 pm

1 stop5h 41m

$239

CortezPhoenix

CEZ - PHX

CEZPHX

Cortez Montezuma County

Wed 8/12

11:55 am-12:45 pm

Nonstop1h 50m

Phoenix Sky Harbor Intl

Sat 8/15

1:15 pm-4:05 pm

Nonstop1h 50m

$254

CortezPhoenix

CEZ - PHX

CEZPHX

Cortez Montezuma County

Tue 10/27

11:55 am-12:45 pm

Nonstop1h 50m

Phoenix Sky Harbor Intl

Wed 10/28

1:15 pm-4:05 pm

Nonstop1h 50m

$254
Quickest round-trip

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 7/7

6:15 am-7:05 am

Nonstop1h 50m

Phoenix Sky Harbor Intl

Thu 7/9

6:40 pm-9:25 pm

Nonstop1h 45m

$262

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 6/30

3:20 pm-5:45 pm

1 stop3h 25m

Phoenix Sky Harbor Intl

Sat 7/4

8:00 am-2:40 pm

2 stops5h 40m

$262

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Tue 7/21

7:25 am-8:15 am

Nonstop1h 50m

Phoenix Sky Harbor Intl

Wed 7/22

8:15 pm-11:00 pm

Nonstop1h 45m

$265

DenverPhoenix

DEN - AZA

DENAZA

Denver Intl

Thu 9/10

8:40 am-6:36 pm

1 stop10h 56m

Phoenix-Mesa Gateway

Sun 9/13

8:20 am-3:52 am

2 stops18h 32m

$281

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 7/10

6:00 am-12:23 pm

1 stop7h 23m

Phoenix Sky Harbor Intl

Fri 7/10

3:13 pm-11:30 pm

1 stop7h 17m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, January is the cheapest month in which you can book a flight from Colorado to Phoenix (average of $162). Flying from Colorado to Phoenix in August is currently the most expensive (average of $503). 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 June 17, 2026.

It’s optimal to fly from Colorado to Phoenix at noon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Colorado to Phoenix

Explore weekly flight availability from Colorado 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 June 17, 2026.

The most flights from USCO to PH1 are scheduled on a Wednesday (40 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost to fly round-trip from Colorado to Phoenix?

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

To ensure you get the cheapest price possible for a flight from Colorado to Phoenix, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 at noon 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 3h 40m. Fly via Southwest, Alaska Airlines, or Delta to get the fastest option. The distance between Colorado and Phoenix is about 601 mi. This flight may include one or multiple stops.

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

    $34 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Allegiant Air and American Airlines, with prices starting from $55 and $68, 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 Durango La Plata County - Phoenix Sky Harbor Intl 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 Air Canada (85%), Envoy Air (83%) and Lufthansa (82%).

  • What are the cheapest flights from Colorado to Phoenix?

    On average you can expect to pay $429 for a flight from Colorado to Phoenix. The cheapest flight overall is $56 while the most popular route, (Denver Intl - Phoenix Sky Harbor Intl) is currently priced at $98.

  • 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, January is the cheapest month in which you can book a flight from Colorado to Phoenix (average of $162). Flying from Colorado to Phoenix in August is currently the most expensive (average of $503). 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 Colorado to Phoenix

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Top 6 airlines flying from Colorado to Phoenix

Discover the top 6 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 June 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$185FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$85Average$130FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$137Average$368FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$139Average$387FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$153Average$310FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$174Average$250FlexibilityNo cancel feeOn-time62%

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