HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Phoenix

$59+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Phoenix with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado to Phoenix

Keep the following information in mind while searching for Colorado to Phoenix flight deals. Data was last updated September 15, 2025.

Round-trip from

$88
(Frontier)

One-way from

$59
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$150
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 ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/14. 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.
Fri 10/36:30 amDEN - PHX
Nonstop2h 02mFrontier
Sun 10/56:00 amPHX - DEN
Nonstop1h 58mFrontier
Deal found 9/14$88
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:29 pmDEN - PHX
Nonstop2h 00mFrontier
Sun 11/910:53 pmPHX - DEN
Nonstop1h 54mFrontier
Deal found 9/14$89
This Frontier deal was found by Cheapflights users on 9/14. 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.
Fri 10/179:19 pmDEN - PHX
Nonstop1h 57mFrontier
Wed 10/2212:14 pmPHX - DEN
Nonstop2h 01mFrontier
Deal found 9/14$90
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Sun 9/216:30 amDEN - PHX
Nonstop2h 02mFrontier
Sat 9/275:07 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 9/13$91
This Frontier deal was found by Cheapflights users on 9/14. 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 10/18:55 pmDEN - PHX
Nonstop1h 58mFrontier
Sun 10/56:00 amPHX - DEN
Nonstop1h 58mFrontier
Deal found 9/14$92
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/39:58 pmDEN - PHX
Nonstop1h 56mFrontier
Sat 10/114:14 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 9/12$93
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 10/24:14 pmDEN - PHX
Nonstop1h 59mFrontier
Tue 10/74:14 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 9/12$94
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Wed 10/158:55 pmDEN - PHX
Nonstop2h 00mFrontier
Sat 10/184:14 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 9/15$95
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:58 pmDEN - PHX
Nonstop2h 03mFrontier
Sun 11/27:30 amPHX - DEN
Nonstop1h 57mFrontier
Deal found 9/13$96
This Trip.com deal was found by Cheapflights users on 9/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:58 pmDEN - PHX
Nonstop1h 56mFrontier
Fri 10/38:20 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 9/12$98
This Frontier deal was found by Cheapflights users on 9/14. 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.
Fri 9/2610:59 pmDEN - PHX
Nonstop1h 58mFrontier
Mon 9/296:18 pmPHX - DEN
Nonstop1h 54mFrontier
Deal found 9/14$99
This Frontier deal was found by Cheapflights users on 9/14. 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.
Tue 9/238:55 pmDEN - PHX
Nonstop1h 58mFrontier
Sat 9/2712:39 pmPHX - DEN
Nonstop1h 57mFrontier
Deal found 9/14$100

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 September 15, 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

Fri 11/7

6:00 am-3:26 pm

1 stop9h 26m

Phoenix Sky Harbor Intl

Mon 11/10

10:53 pm-12:47 am

Nonstop1h 54m

$111

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Wed 12/17

1:35 pm-5:51 pm

1 stop4h 16m

Phoenix Sky Harbor Intl

Sun 12/21

6:45 am-1:11 pm

1 stop6h 26m

$135

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 10/14

7:25 am-8:25 am

Nonstop2h 00m

Phoenix Sky Harbor Intl

Tue 10/21

2:40 pm-5:25 pm

Nonstop1h 45m

$137

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Mon 1/12

3:30 pm-9:54 pm

1 stop6h 24m

Phoenix Sky Harbor Intl

Thu 1/22

7:00 am-2:34 pm

2 stops7h 34m

$140

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Mon 10/6

12:36 am-1:17 pm

1 stop13h 41m

Phoenix Sky Harbor Intl

Sat 10/11

4:53 pm-8:04 am

1 stop14h 11m

$142

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 9/25

11:30 am-9:56 pm

1 stop11h 26m

Phoenix Sky Harbor Intl

Sat 9/27

2:05 pm-9:22 pm

1 stop6h 17m

$143

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 11/8

2:40 pm-5:55 pm

1 stop3h 15m

Phoenix Sky Harbor Intl

Wed 11/12

5:05 pm-6:50 pm

Nonstop1h 45m

$157

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 9/18

10:29 pm-11:27 pm

Nonstop1h 58m

Phoenix Sky Harbor Intl

Tue 9/23

8:00 am-11:00 am

Nonstop2h 00m

$159

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 11/1

8:00 am-11:45 am

1 stop4h 45m

Phoenix Sky Harbor Intl

Sat 11/1

12:50 pm-6:55 pm

1 stop5h 05m

$177

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Thu 10/30

12:54 pm-4:56 pm

1 stop5h 02m

Phoenix Sky Harbor Intl

Sun 11/2

8:30 am-1:14 pm

1 stop4h 44m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
1
2
3
...
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 $258). Flying from Colorado 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 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Phoenix as you normally would.

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 September 15, 2025.

The most flights from USCO to PH1 are scheduled on a Friday (37 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

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. Fly via Frontier, United Airlines, or Southwest 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?

    $63 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Frontier and Southwest, with prices starting from $66 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 Frontier (76%), Air Canada (69%) and Southwest (66%).

  • What are the cheapest flights from Colorado to Phoenix?

    On average you can expect to pay $174 for a flight from Colorado to Phoenix. The cheapest flight overall is $57 while the most popular route, (Denver Intl - Phoenix Sky Harbor Intl) is currently priced at $96.

  • 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 $258). Flying from Colorado 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Phoenix

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to Las Vegas flights
Newark to Las Vegas flights
Seattle to Las Vegas flights
O'Hare Intl to Las Vegas flights
San Francisco to Las Vegas flights
Los Angeles to Las Vegas flights
Atlanta to Las Vegas flights
John F Kennedy Intl to Sky Harbor Intl flights
Denver to Las Vegas flights
O'Hare Intl to Sky Harbor Intl flights
LaGuardia to Las Vegas flights
Seattle to Sky Harbor Intl flights
Newark to Sky Harbor Intl flights
Boston to Las Vegas flights
Burbank to Las Vegas flights
Santa Ana to Las Vegas flights
Dulles Intl to Las Vegas flights
Hobby to Las Vegas flights
Baltimore to Las Vegas flights
Reagan-National to Las Vegas flights
Midway to Las Vegas flights
Minneapolis to Sky Harbor Intl flights
Minneapolis to Las Vegas flights
George Bush Intcntl to Las Vegas flights
Philadelphia to Las Vegas flights
Dallas/Fort Worth to Sky Harbor Intl flights
San Jose to Las Vegas flights
Portland to Las Vegas flights
Love Field to Las Vegas flights
Orlando to Las Vegas flights
Austin to Las Vegas flights
Boston to Sky Harbor Intl flights
Everett to Las Vegas flights
Detroit to Las Vegas flights
Cleveland to Las Vegas flights
San Francisco to Sky Harbor Intl flights
Raleigh to Las Vegas flights
Oakland to Las Vegas flights
Fort Lauderdale to Las Vegas flights
Ontario to Las Vegas flights
Portland to Sky Harbor Intl flights
St. Louis to Las Vegas flights
Cincinnati to Las Vegas flights
Tampa to Las Vegas flights
Atlanta to Sky Harbor Intl flights
Midway to Sky Harbor Intl flights
LaGuardia to Sky Harbor Intl flights
Charlotte to Las Vegas flights
Baltimore to Sky Harbor Intl flights

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$142FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$78Average$126FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$137Average$464FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$137Average$296FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$140Average$461FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$311FlexibilityNo cancel feeOn-timeN/A
Denver Air ConnectionCheapest$238Average$408FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.