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$39+ Cheap flights from Colorado to Arizona

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Colorado to Arizona

Keep the following information in mind while searching for Colorado to Arizona flight deals. Data was last updated September 11, 2025.

Round-trip from

$74
(Frontier)

One-way from

$39
(Frontier)

Popular in

June

Cheapest in

September

Average price

$126

Good round-trip deal

$123 or less

Good one-way deal

$110 or less
From Colorado to Arizona
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One-way flight from Colorado to Arizona
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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 ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Colorado to Arizona.
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Price to beat on a one-way flight from Colorado to Arizona.
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Find flight deals from Colorado to Arizona

Cheapest flights from Colorado to Arizona
Explore the most affordable flight options available from Colorado to Arizona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. 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.
Sun 11/99:48 amDEN - TUS
Nonstop1h 59mFrontier
Thu 11/1312:32 pmTUS - DEN
Nonstop2h 00mFrontier
Deal found 9/10$74
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:29 pmDEN - PHX
Nonstop1h 58mFrontier
Sun 9/216:00 amPHX - DEN
Nonstop1h 58mFrontier
Deal found 9/11$89
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:55 amDEN - PHX
Nonstop2h 04mFrontier
Wed 10/157:30 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 9/10$90
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:55 amDEN - PHX
Nonstop2h 04mFrontier
Mon 10/139:59 pmPHX - DEN
Nonstop1h 57mFrontier
Deal found 9/11$91
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Tue 9/238:55 pmDEN - PHX
Nonstop1h 58mFrontier
Thu 10/306:30 amPHX - DEN
Nonstop1h 59mFrontier
Deal found 9/9$93
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:10 pmDEN - LAS
Nonstop2h 03mMultiple Airlines
Wed 10/154:49 pmLAS - DEN
1 stop5h 58mMultiple Airlines
Deal found 9/10$94
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/24:14 pmDEN - PHX
Nonstop1h 59mFrontier
Sun 10/58:37 amPHX - DEN
Nonstop2h 00mFrontier
Deal found 9/11$94
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Sun 10/1210:29 pmDEN - LAS
Nonstop2h 00mFrontier
Thu 10/1612:59 amLAS - DEN
Nonstop2h 00mFrontier
Deal found 9/10$95
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/177:19 pmDEN - PHX
Nonstop2h 00mFrontier
Wed 10/226:33 amPHX - DEN
Nonstop1h 59mFrontier
Deal found 9/10$95
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/78:45 pmDEN - LAS
1 stop22h 20mFrontier
Thu 10/97:08 amLAS - DEN
Nonstop2h 10mFrontier
Deal found 9/10$96
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 9/2710:30 amDEN - PHX
Nonstop2h 02mFrontier
Tue 9/308:00 amPHX - DEN
Nonstop2h 00mFrontier
Deal found 9/10$96
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/1510:29 pmDEN - LAS
1 stop9h 47mFrontier
Fri 10/1712:59 amLAS - DEN
Nonstop2h 00mFrontier
Deal found 9/10$97

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Arizona 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 11, 2025.
Use the filters below to find and compare flights from Colorado to Arizona that are best for you.

Fly from

Colorado

Fly to

Arizona

Route

Depart

Return

Price

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 10/30

9:58 pm-10:55 pm

Nonstop1h 57m

Phoenix Sky Harbor Intl

Sun 11/2

7:25 am-9:49 pm

1 stop14h 24m

$107

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 10/7

12:36 am-1:17 pm

1 stop13h 41m

Phoenix Sky Harbor Intl

Tue 10/14

12:14 pm-3:15 pm

Nonstop2h 01m

$109

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Wed 10/1

7:45 am-8:44 am

Nonstop1h 59m

Las Vegas Harry Reid Intl

Wed 10/1

4:40 pm-7:40 pm

Nonstop2h 00m

$117

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Tue 1/6

5:44 pm-7:45 pm

Nonstop2h 01m

Phoenix Sky Harbor Intl

Sat 1/17

4:31 pm-6:25 pm

Nonstop1h 54m

$117

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 12/17

11:37 am-1:38 pm

Nonstop2h 01m

Phoenix Sky Harbor Intl

Tue 12/30

5:40 pm-7:36 pm

Nonstop1h 56m

$117

DenverTucson

DEN - TUS

DENTUS

Denver Intl

Tue 10/7

2:00 pm-3:05 pm

Nonstop2h 05m

Tucson

Tue 10/14

4:25 pm-7:24 pm

Nonstop1h 59m

$117

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 11/13

12:59 am-3:03 pm

1 stop14h 04m

Phoenix Sky Harbor Intl

Mon 11/17

10:53 pm-12:47 am

Nonstop1h 54m

$122

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 10/15

12:36 am-1:17 pm

1 stop13h 41m

Phoenix Sky Harbor Intl

Mon 10/20

9:59 pm-12:56 am

Nonstop1h 57m

$122

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Sat 10/25

5:20 pm-6:15 pm

Nonstop1h 55m

Las Vegas Harry Reid Intl

Mon 10/27

9:00 pm-11:55 pm

Nonstop1h 55m

$127

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Wed 10/22

3:00 pm-7:23 pm

1 stop5h 23m

Las Vegas Harry Reid Intl

Sat 10/25

12:40 pm-7:10 pm

1 stop5h 30m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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

Have a flexible travel schedule? Discover the best time to fly to Arizona 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 Arizona

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

Currently, January is the cheapest month in which you can book a flight from Colorado to Arizona (average of $258). Flying from Colorado to Arizona 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 AZ?

Find hourly flight availability from Colorado to Arizona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

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

Weekly flight availability from Colorado to Arizona

Explore weekly flight availability from Colorado to Arizona. 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 11, 2025.

The most flights from USCO to USAZ are scheduled on a Thursday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Arizona

Get insights into the airlines that provide service to Arizona. 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 Arizona. Reviews last updated September 11, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Colorado to Arizona have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Colorado to Arizona. 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 Arizona?

    A quick flight from Colorado to Arizona can take about 1h 55m. Frontier provides one of the quickest options available for as low as $127. The distance between Colorado and Arizona is about 626 mi. Generally, flights for this route are nonstop.

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

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Colorado to Arizona (average of $258). Flying from Colorado to Arizona 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 Colorado to Arizona

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Colorado to Arizona

Discover the top 7 airlines that operate flights from Colorado to Arizona. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$137FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$78Average$126FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$137Average$433FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$137Average$311FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$140Average$424FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$311FlexibilityNo cancel feeOn-timeN/A
Denver Air ConnectionCheapest$238Average$408FlexibilityNo cancel feeOn-timeN/A

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