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$48+ Cheap flights from Phoenix to Colorado

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Phoenix to Colorado

Keep the following information in mind while searching for Phoenix to Colorado flight deals. Data was last updated October 28, 2025.

Round-trip from

$80
(Kiwi.com)

One-way from

$48
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$152
From Phoenix to Colorado
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One-way flight from Phoenix to Colorado
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Highest demand for flights based on searches. 13% potential increase in price ($26 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 October 2025
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Find flight deals from Phoenix to Colorado

Cheapest flights from Phoenix to Colorado
Explore the most affordable flight options available from Phoenix to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/317:00 amPHX - DEN
Nonstop1h 55mFrontier
Mon 1/510:00 amDEN - PHX
1 stop4h 34mFrontier
Deal found 10/26$80
This Frontier deal was found by Cheapflights users on 10/27. 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 11/119:59 amPHX - DEN
Nonstop2h 00mFrontier
Sun 11/1610:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 10/27$81
This Frontier deal was found by Cheapflights users on 10/26. 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 11/137:45 amPHX - DEN
1 stop6h 28mFrontier
Sat 11/156:44 pmDEN - PHX
Nonstop2h 03mFrontier
Deal found 10/26$82
This Frontier deal was found by Cheapflights users on 10/27. 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.
Sat 11/86:11 pmPHX - DEN
Nonstop1h 53mFrontier
Sun 11/1610:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 10/27$83
This CheapOair deal was found by Cheapflights users on 10/27. 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 12/177:00 amPHX - DEN
Nonstop1h 55mFrontier
Fri 12/1910:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 10/27$84
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:43 pmPHX - DEN
Nonstop1h 56mFrontier
Tue 12/306:15 amDEN - PHX
Nonstop2h 06mFrontier
Deal found 10/27$85
This CheapOair deal was found by Cheapflights users on 10/26. 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.
Fri 12/1210:26 pmPHX - DEN
Nonstop1h 54mFrontier
Mon 12/157:05 amDEN - PHX
1 stop7h 33mFrontier
Deal found 10/26$86
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 12/2212:58 pmPHX - DEN
1 stop7h 22mFrontier
Sat 12/2710:44 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 10/27$87
This Frontier deal was found by Cheapflights users on 10/27. 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 11/129:05 pmPHX - DEN
Nonstop1h 57mFrontier
Mon 11/176:20 amDEN - PHX
Nonstop2h 04mFrontier
Deal found 10/27$90
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/86:11 pmPHX - DEN
Nonstop1h 53mFrontier
Sun 11/910:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 10/27$91
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/16:11 pmPHX - DEN
Nonstop1h 53mFrontier
Wed 12/3110:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 10/26$92
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/117:00 amPHX - MTJ
1 stop5h 29mUnited Airlines
Sat 11/151:30 pmMTJ - PHX
1 stop4h 26mUnited Airlines
Deal found 10/27$179

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Colorado 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 October 28, 2025.
Use the filters below to find and compare flights from Phoenix to Colorado that are best for you.

Fly from

Phoenix

Fly to

Colorado

Route

Depart

Return

Price

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 1/22

8:24 am-6:41 pm

1 stop10h 17m

Denver Intl

Mon 1/26

7:39 pm-2:00 pm

1 stop18h 21m

$142

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 1/6

12:32 pm-7:18 pm

1 stop6h 46m

Denver Intl

Sun 1/11

7:39 pm-10:59 am

1 stop15h 20m

$142

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 11/22

3:48 pm-11:59 pm

1 stop8h 11m

Denver Intl

Mon 11/24

7:20 pm-9:42 am

1 stop14h 22m

$172

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 1/20

8:24 am-11:58 pm

1 stop15h 34m

Denver Intl

Fri 1/30

8:04 am-3:03 pm

1 stop6h 59m

$175

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 1/20

8:24 am-11:58 pm

1 stop15h 34m

Denver Intl

Sat 1/31

8:04 am-2:00 pm

1 stop5h 56m

$175

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 12/5

3:10 pm-11:59 pm

1 stop8h 49m

Denver Intl

Sun 12/7

6:00 am-1:42 pm

1 stop7h 42m

$175

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 12/12

8:00 am-11:59 pm

1 stop15h 59m

Denver Intl

Sun 12/14

6:00 am-1:42 pm

1 stop7h 42m

$175

PhoenixMontrose

PHX - MTJ

PHXMTJ

Phoenix Sky Harbor Intl

Tue 11/11

7:00 am-12:29 pm

1 stop5h 29m

Montrose County

Sat 11/15

1:30 pm-5:56 pm

1 stop4h 26m

$179

PhoenixGrand Junction

PHX - GJT

PHXGJT

Phoenix Sky Harbor Intl

Tue 11/11

7:00 am-10:44 am

1 stop3h 44m

Grand Junction Regnl

Sun 11/16

1:35 pm-7:49 pm

1 stop6h 14m

$179

PhoenixGrand Junction

PHX - GJT

PHXGJT

Phoenix Sky Harbor Intl

Fri 11/14

4:32 pm-9:58 pm

1 stop5h 26m

Grand Junction Regnl

Sun 11/16

7:00 am-11:43 am

1 stop4h 43m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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

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

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

Currently, February is the cheapest month in which you can book a flight from Phoenix to Colorado (average of $54). Flying from Phoenix to Colorado in July is currently the most expensive (average of $102). 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 PHX to CO?

Find hourly flight availability from Phoenix to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

It’s optimal to fly from Phoenix to Colorado in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Colorado. Price data was last updated on December 16, 2024.

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

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated October 28, 2025.
Peruse reviews from past customers who have flown with Denver Air Connection, Southwest, and United Airlines from Phoenix to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Denver Air Connection
8.7
Very good

Overall

8.7

Food

8.4

Entertainment

8.1

Comfort

8.9

Crew

9.4

Boarding

8.7
Denver Air Connection
8.7
Very good
Denver Air Connection
8.7
Very good

Overall

8.7

Food

8.4

Entertainment

8.1

Comfort

8.9

Crew

9.4

Boarding

8.7
Southwest
8.0
Very good
4,240 reviews
Denver Air Connection
8.7
Very good

Overall

8.7

Food

8.4

Entertainment

8.1

Comfort

8.9

Crew

9.4

Boarding

8.7
United Airlines
7.4
Good
9,001 reviews
Denver Air Connection
8.7
Very good

Overall

8.7

Food

8.4

Entertainment

8.1

Comfort

8.9

Crew

9.4

Boarding

8.7
American Airlines
7.2
Good
11,033 reviews
Denver Air Connection
8.7
Very good

Overall

8.7

Food

8.4

Entertainment

8.1

Comfort

8.9

Crew

9.4

Boarding

8.7
Frontier
5.8
Fair
3,124 reviews
Denver Air Connection
8.7
Very good

Overall

8.7

Food

8.4

Entertainment

8.1

Comfort

8.9

Crew

9.4

Boarding

8.7

Related info for your journey

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

    There are many flights that can get you from Phoenix to Colorado in 1h 45m. Fly via Alaska Airlines, United Airlines, or Southwest to get the fastest option. Phoenix and Colorado are separated by a distance of 550 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Phoenix to Colorado are Frontier ($55), Southwest ($89), and Delta ($95).

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

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix to Colorado on time: Envoy Air (100%), Frontier (81%), American Airlines (80%).

  • What are the cheapest flights from Phoenix to Colorado?

    Looking at all options, your cheapest flight can be booked for $60. While the most popular route (Phoenix Sky Harbor Intl - Denver Intl) can be booked for $54 on average, our data indicates $756 when flying from Phoenix to Colorado.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Phoenix to Colorado (average of $54). Flying from Phoenix to Colorado in July is currently the most expensive (average of $102). 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 Phoenix to Colorado

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Top 6 airlines flying from Phoenix to Colorado

Discover the top 6 airlines that operate flights from Phoenix to Colorado. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$66Average$125FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$78Average$144FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$139Average$502FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$148Average$430FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$156Average$365FlexibilityNo cancel feeOn-time63%
DeltaCheapest$206Average$278FlexibilityNo cancel feeOn-timeN/A

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