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$69+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 July 28, 2025.

Round-trip from

$109
(Cheapflightsfares)

One-way from

$69
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$179
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. 18% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 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 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 July 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:19 pmPHX - DEN
Nonstop2h 04mFrontier
Thu 9/46:22 pmDEN - PHX
Nonstop2h 03mFrontier
Deal found 7/27$109
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:17 pmPHX - DEN
1 stop6h 30mAlaska Airlines
Tue 10/147:01 amDEN - PHX
1 stop9h 16mAlaska Airlines
Deal found 7/26$156
This Southwest deal was found by Cheapflights users on 7/25. 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.
Wed 9/108:00 pmPHX - COS
Nonstop1h 40mSouthwest
Wed 9/247:25 amCOS - PHX
Nonstop1h 55mSouthwest
Deal found 7/25$203
This KAYAK deal was found by Cheapflights users on 7/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:20 pmPHX - CEZ
Nonstop1h 30mDenver Air Connection
Sun 9/289:45 amCEZ - PHX
Nonstop1h 50mDenver Air Connection
Deal found 7/27$203
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:55 amPHX - MTJ
1 stop6h 05mAmerican Airlines
Sat 10/257:30 amMTJ - PHX
1 stop6h 32mAmerican Airlines
Deal found 7/27$211
This Delta deal was found by Cheapflights users on 7/25. 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.
Wed 9/105:20 pmPHX - COS
1 stop3h 58mDelta
Wed 9/245:55 pmCOS - PHX
1 stop6h 41mDelta
Deal found 7/25$213
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/34:28 pmPHX - COS
1 stop4h 26mUnited Airlines
Sun 9/75:30 amCOS - PHX
1 stop4h 42mUnited Airlines
Deal found 7/28$237
This American Airlines deal was found by Cheapflights users on 7/25. 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 9/239:31 amPHX - DRO
Nonstop1h 25mAmerican Airlines
Tue 9/307:15 amDRO - PHX
Nonstop1h 32mAmerican Airlines
Deal found 7/25$252
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:00 amPHX - COS
1 stop6h 45mAmerican Airlines
Sun 11/165:45 amCOS - PHX
1 stop8h 33mAmerican Airlines
Deal found 7/27$259
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:21 pmPHX - DRO
1 stop4h 54mUnited Airlines
Tue 9/307:05 amDRO - PHX
1 stop4h 28mUnited Airlines
Deal found 7/26$271
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:35 amPHX - GJT
Nonstop1h 41mAmerican Airlines
Tue 9/234:40 pmGJT - PHX
1 stop6h 09mAmerican Airlines
Deal found 7/27$272
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 11/13:32 pmPHX - GUC
1 stop3h 46mUnited Airlines
Wed 11/51:42 pmGUC - PHX
2 stops11h 32mUnited Airlines
Deal found 7/27$274

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 July 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

Fri 8/29

9:19 pm-12:23 am

Nonstop2h 04m

Denver Intl

Thu 9/4

6:22 pm-7:25 pm

Nonstop2h 03m

$109

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 10/11

4:17 pm-11:47 pm

1 stop6h 30m

Denver Intl

Tue 10/14

7:01 am-3:17 pm

1 stop9h 16m

$156

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Wed 9/10

8:00 pm-10:40 pm

Nonstop1h 40m

Colorado Springs

Wed 9/24

7:25 am-8:20 am

Nonstop1h 55m

$203

PhoenixCortez

PHX - CEZ

PHXCEZ

Phoenix Sky Harbor Intl

Thu 9/25

6:20 pm-8:50 pm

Nonstop1h 30m

Cortez Montezuma County

Sun 9/28

9:45 am-10:35 am

Nonstop1h 50m

$203

PhoenixMontrose

PHX - MTJ

PHXMTJ

Phoenix Sky Harbor Intl

Wed 10/22

10:55 am-6:00 pm

1 stop6h 05m

Montrose County

Sat 10/25

7:30 am-1:02 pm

1 stop6h 32m

$211

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Wed 9/10

5:20 pm-10:18 pm

1 stop3h 58m

Colorado Springs

Wed 9/24

5:55 pm-11:36 pm

1 stop6h 41m

$213

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Wed 9/3

4:28 pm-9:54 pm

1 stop4h 26m

Colorado Springs

Sun 9/7

5:30 am-9:12 am

1 stop4h 42m

$237

PhoenixDurango

PHX - DRO

PHXDRO

Phoenix Sky Harbor Intl

Tue 9/23

9:31 am-11:56 am

Nonstop1h 25m

Durango La Plata County

Tue 9/30

7:15 am-7:47 am

Nonstop1h 32m

$252

PhoenixDurango

PHX - DRO

PHXDRO

Phoenix Sky Harbor Intl

Tue 9/23

4:21 pm-10:15 pm

1 stop4h 54m

Durango La Plata County

Tue 9/30

7:05 am-10:33 am

1 stop4h 28m

$271

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Fri 9/5

1:24 pm-10:08 pm

1 stop7h 44m

Colorado Springs

Sun 9/7

5:03 pm-10:19 pm

1 stop6h 16m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 53 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, October is the cheapest month in which you can book a flight from Phoenix to Colorado (average of $197). Flying from Phoenix to Colorado in March is currently the most expensive (average of $278). 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 July 28, 2025.

When flying from Phoenix to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Phoenix to Colorado

Explore weekly flight availability from Phoenix to Colorado. 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 28, 2025.

The most flights from PH1 to USCO are scheduled on a Monday (35 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

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 July 28, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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.
Breeze Airways
8.0
Very good
190 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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 Phoenix to Colorado. 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 Phoenix to Colorado one-way?

    The cheapest airlines for a one-way flight from Phoenix to Colorado are United Airlines ($69), Southwest ($69), and Frontier ($70).

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

    Most travelers choose Phoenix Sky Harbor Intl - Denver Intl, Phoenix Sky Harbor Intl - Durango La Plata County or Phoenix Sky Harbor Intl - Colorado Springs 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: Air Canada (72%), United Airlines (70%), Frontier (70%).

  • What are the cheapest flights from Phoenix to Colorado?

    Looking at all options, your cheapest flight can be booked for $69. While the most popular route (Phoenix Sky Harbor Intl - Denver Intl) can be booked for $76 on average our data indicates $1,372 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, October is the cheapest month in which you can book a flight from Phoenix to Colorado (average of $197). Flying from Phoenix to Colorado in March is currently the most expensive (average of $278). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Phoenix to Colorado

Discover the top 5 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$123FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$137Average$505FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$146Average$321FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$147Average$443FlexibilityNo cancel feeOn-time69%
DeltaCheapest$218Average$258FlexibilityNo cancel feeOn-timeN/A

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