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$71+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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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 July 31, 2025.

Round-trip from

$106
(FlightHub)

One-way from

$71
(Cheapflightsfares)

Popular in

June

Cheapest in

August

Average price

$163
From Colorado to Phoenix
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One-way flight from Colorado to Phoenix
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Highest demand for flights based on searches. 9% potential increase in price ($17 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 July 2025
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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 July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:05 amDEN - PHX
Nonstop1h 56mFrontier
Sun 9/76:18 pmPHX - DEN
Nonstop1h 54mFrontier
Deal found 7/29$106
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:30 amCOS - PHX
Nonstop2h 05mSouthwest
Sun 11/168:40 amPHX - COS
Nonstop1h 45mSouthwest
Deal found 7/30$147
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/302:30 pmDEN - PHX
Nonstop1h 55mSouthwest
Mon 9/15:05 amPHX - DEN
Nonstop1h 45mSouthwest
Deal found 7/30$157
This KAYAK deal was found by Cheapflights users on 7/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:15 pmCEZ - PHX
Nonstop1h 50mDenver Air Connection
Mon 9/86:20 pmPHX - CEZ
Nonstop1h 30mDenver Air Connection
Deal found 7/31$203
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 8/272:37 pmMTJ - PHX
1 stop8h 12mAmerican Airlines
Tue 9/26:00 amPHX - MTJ
1 stop6h 47mAmerican Airlines
Deal found 7/29$211
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:55 pmCOS - PHX
1 stop6h 41mDelta
Wed 10/15:20 pmPHX - COS
1 stop3h 51mDelta
Deal found 7/31$219
This American Airlines deal was found by Cheapflights users on 7/30. 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 11/182:09 pmGJT - PHX
Nonstop1h 45mAmerican Airlines
Tue 12/24:46 pmPHX - GJT
Nonstop1h 35mAmerican Airlines
Deal found 7/30$227
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:55 amGJT - PHX
1 stop4h 00mDelta
Tue 10/215:15 pmPHX - GJT
1 stop4h 14mDelta
Deal found 7/29$236
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 9/216:00 amCOS - PHX
1 stop4h 12mUnited Airlines
Wed 9/249:30 amPHX - COS
1 stop4h 15mUnited Airlines
Deal found 7/29$237
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/203:24 pmMTJ - PHX
1 stop5h 53mUnited Airlines
Tue 8/269:30 amPHX - MTJ
1 stop3h 58mUnited Airlines
Deal found 7/30$257
This American Airlines deal was found by Cheapflights users on 7/30. 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 10/79:00 amDRO - PHX
Nonstop1h 32mAmerican Airlines
Tue 10/144:00 pmPHX - DRO
Nonstop1h 23mAmerican Airlines
Deal found 7/30$267
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 11/64:37 pmCOS - PHX
1 stop7h 09mAmerican Airlines
Mon 11/105:00 amPHX - COS
1 stop6h 45mAmerican Airlines
Deal found 7/31$271

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 July 31, 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 9/3

10:05 am-11:01 am

Nonstop1h 56m

Phoenix Sky Harbor Intl

Sun 9/7

6:18 pm-9:12 pm

Nonstop1h 54m

$106

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Thu 11/13

5:30 am-7:35 am

Nonstop2h 05m

Phoenix Sky Harbor Intl

Sun 11/16

8:40 am-10:25 am

Nonstop1h 45m

$147

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 8/30

2:30 pm-3:25 pm

Nonstop1h 55m

Phoenix Sky Harbor Intl

Mon 9/1

5:05 am-7:50 am

Nonstop1h 45m

$157

CortezPhoenix

CEZ - PHX

CEZPHX

Cortez Montezuma County

Fri 9/5

5:15 pm-6:05 pm

Nonstop1h 50m

Phoenix Sky Harbor Intl

Mon 9/8

6:20 pm-8:50 pm

Nonstop1h 30m

$203

MontrosePhoenix

MTJ - PHX

MTJPHX

Montrose County

Wed 8/27

2:37 pm-9:49 pm

1 stop8h 12m

Phoenix Sky Harbor Intl

Tue 9/2

6:00 am-1:47 pm

1 stop6h 47m

$211

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Mon 9/22

5:55 pm-11:36 pm

1 stop6h 41m

Phoenix Sky Harbor Intl

Tue 9/30

5:20 pm-10:11 pm

1 stop3h 51m

$219

Grand JunctionPhoenix

GJT - PHX

GJTPHX

Grand Junction Regnl

Tue 11/18

2:09 pm-3:54 pm

Nonstop1h 45m

Phoenix Sky Harbor Intl

Tue 12/2

4:46 pm-6:21 pm

Nonstop1h 35m

$227

Grand JunctionPhoenix

GJT - PHX

GJTPHX

Grand Junction Regnl

Tue 10/14

5:55 am-8:55 am

1 stop4h 00m

Phoenix Sky Harbor Intl

Tue 10/21

5:15 pm-10:29 pm

1 stop4h 14m

$236

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Sun 9/21

6:00 am-9:12 am

1 stop4h 12m

Phoenix Sky Harbor Intl

Wed 9/24

9:30 am-2:45 pm

1 stop4h 15m

$237

MontrosePhoenix

MTJ - PHX

MTJPHX

Montrose County

Wed 8/20

3:24 pm-8:17 pm

1 stop5h 53m

Phoenix Sky Harbor Intl

Tue 8/26

9:30 am-2:28 pm

1 stop3h 58m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 52 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, 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 July 31, 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 July 31, 2025.

The most flights from USCO to PH1 are scheduled on a Thursday (36 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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 July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Colorado to Phoenix. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    $71 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Southwest, with prices starting from $78 and $79, 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 Grand Junction Regnl - 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 (70%), Frontier (69%) and United Airlines (61%).

  • What are the cheapest flights from Colorado to Phoenix?

    On average you can expect to pay $188 for a flight from Colorado to Phoenix. The cheapest flight overall is $67 while the most popular route, (Denver Intl - Phoenix Sky Harbor Intl) is currently priced at $99.

  • 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

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Alternative routes for Colorado to Phoenix

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$139FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$78Average$126FlexibilityNo cancel feeOn-time88%
SouthwestCheapest$134Average$292FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$136Average$471FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$139Average$460FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$273FlexibilityNo cancel feeOn-timeN/A

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