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Sky Harbor Intl

$43+ Cheap flights from Colorado to Sky Harbor Intl (PHX)

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Colorado to Sky Harbor Intl

Keep the following information in mind while searching for Colorado to Sky Harbor Intl flight deals. Data was last updated October 30, 2025.

Round-trip from

$83
(Booking.com)

One-way from

$43
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$187

Good round-trip deal

$147 or less

Good one-way deal

$82 or less
From Colorado to Phoenix Sky Harbor Intl
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One-way flight from Colorado to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 4% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Colorado to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Colorado to Phoenix Sky Harbor Intl.
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Find flight deals from Colorado to Sky Harbor Intl

Cheapest flights from Colorado to Sky Harbor Intl
Explore the most affordable flight options available from Colorado to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Booking.com deal was found by Cheapflights users on 10/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:02 pmDEN - PHX
Nonstop2h 05mFrontier
Wed 12/37:43 pmPHX - DEN
1 stop17h 04mFrontier
Deal found 10/28$83
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:02 pmDEN - PHX
Nonstop2h 05mFrontier
Sat 12/137:00 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 10/28$85
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:00 amDEN - PHX
Nonstop2h 06mFrontier
Tue 12/98:00 amPHX - DEN
1 stop12h 00mFrontier
Deal found 10/30$86
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:29 pmDEN - PHX
Nonstop2h 00mFrontier
Wed 12/243:43 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 10/30$87
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:44 pmDEN - PHX
Nonstop2h 05mFrontier
Sat 12/137:00 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 10/30$88
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amDEN - PHX
Nonstop2h 06mFrontier
Sun 12/147:00 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 10/30$89
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:44 pmDEN - PHX
Nonstop2h 00mFrontier
Mon 12/2212:58 pmPHX - DEN
1 stop7h 22mFrontier
Deal found 10/28$90
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:58 pmDEN - PHX
Nonstop2h 00mFrontier
Fri 11/1410:53 pmPHX - DEN
Nonstop1h 54mFrontier
Deal found 10/28$92
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:30 pmDEN - PHX
Nonstop2h 03mFrontier
Mon 11/1710:53 pmPHX - DEN
Nonstop1h 54mFrontier
Deal found 10/28$93
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:00 amDEN - PHX
Nonstop2h 02mFrontier
Mon 11/177:25 amPHX - DEN
1 stop13h 48mFrontier
Deal found 10/28$94
This Frontier deal was found by Cheapflights users on 10/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:33 amDEN - PHX
1 stop8h 58mFrontier
Thu 12/257:00 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 10/28$95
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 amDEN - PHX
Nonstop2h 06mFrontier
Sun 1/47:00 amPHX - DEN
Nonstop1h 55mFrontier
Deal found 10/30$96

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Sky Harbor Intl 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 30, 2025.
Use the filters below to find and compare flights from Colorado to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Colorado

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 1/21

12:34 pm-7:25 pm

1 stop6h 51m

Phoenix Sky Harbor Intl

Sat 1/24

8:24 am-11:58 pm

1 stop15h 34m

$142

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Thu 12/4

4:55 pm-10:25 pm

1 stop5h 30m

Phoenix Sky Harbor Intl

Sun 12/7

8:40 am-10:25 am

Nonstop1h 45m

$167

DurangoPhoenix

DRO - PHX

DROPHX

Durango La Plata County

Wed 11/12

6:05 pm-10:40 pm

1 stop4h 35m

Phoenix Sky Harbor Intl

Wed 12/3

2:51 pm-8:34 pm

1 stop5h 43m

$168

DurangoPhoenix

DRO - PHX

DROPHX

Durango La Plata County

Wed 11/12

1:38 pm-7:49 pm

1 stop6h 11m

Phoenix Sky Harbor Intl

Sat 11/15

2:51 pm-10:01 pm

1 stop7h 10m

$168

Grand JunctionPhoenix

GJT - PHX

GJTPHX

Grand Junction Regnl

Sat 1/31

5:58 am-9:39 am

1 stop3h 41m

Phoenix Sky Harbor Intl

Wed 2/4

6:55 am-12:59 pm

1 stop6h 04m

$169

Grand JunctionPhoenix

GJT - PHX

GJTPHX

Grand Junction Regnl

Wed 1/28

1:35 pm-5:13 pm

1 stop3h 38m

Phoenix Sky Harbor Intl

Mon 2/2

6:20 pm-10:38 pm

1 stop4h 18m

$169

Grand JunctionPhoenix

GJT - PHX

GJTPHX

Grand Junction Regnl

Mon 12/8

1:15 pm-5:25 pm

1 stop4h 10m

Phoenix Sky Harbor Intl

Mon 12/15

6:30 pm-10:47 pm

1 stop4h 17m

$169

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 1/16

8:55 pm-10:59 pm

Nonstop2h 04m

Phoenix Sky Harbor Intl

Mon 1/19

6:45 am-8:41 am

Nonstop1h 56m

$169

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Mon 1/12

8:04 am-3:03 pm

1 stop6h 59m

Phoenix Sky Harbor Intl

Wed 1/21

3:45 pm-11:38 am

1 stop19h 53m

$172

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 1/1

7:55 am-11:25 am

1 stop3h 30m

Phoenix Sky Harbor Intl

Mon 1/5

3:05 pm-7:30 pm

1 stop4h 25m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
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Best time to book a flight from Colorado to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl 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 Sky Harbor Intl Airport

What is the cheapest month to book a flight from Colorado to Phoenix Sky Harbor Intl Airport?

Currently, December is the cheapest month in which you can book a flight from Colorado to Phoenix Sky Harbor Intl Airport (average of $53). Flying from Colorado to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of $97). 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 Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Colorado to Phoenix Sky Harbor Intl Airport in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Colorado to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Sky Harbor Intl. Price data was last updated on October 19, 2025.

Travelers seeking maximum savings on their Colorado to Phoenix Sky Harbor Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Sky Harbor Intl. 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 Sky Harbor Intl Airport?

    Airlines like Alaska Airlines, Southwest, and United Airlines fly from Colorado to Phoenix Sky Harbor Intl Airport in about 4h 35m. The time it takes to get you to your destination can typically vary by up to 2h 16m. The distance between Colorado and Phoenix Sky Harbor Intl Airport is about 351 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Colorado to Phoenix Sky Harbor Intl Airport one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $62. Users have also found prices from $89 and $100 on Delta and Southwest, respectively.

  • What are the most popular routes from Colorado to Phoenix Sky Harbor Intl Airport?

    When deciding which route to take from Colorado to Phoenix Sky Harbor Intl Airport consider Denver Intl - Phoenix Sky Harbor Intl, Colorado Springs - Phoenix Sky Harbor Intl or Grand Junction Regnl - Phoenix Sky Harbor Intl as they are the most popular.

  • What are the most reliable airlines from Colorado to Phoenix Sky Harbor Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Colorado to Phoenix Sky Harbor Intl Airport consider choosing Envoy Air (89%), Frontier (81%) or Alaska Airlines (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Colorado to Phoenix Sky Harbor Intl Airport?

    While on average a flight from Colorado to Phoenix Sky Harbor Intl Airport is generally $382, our data shows the cheapest flight currently is $37. When looking at the most popular route, (Denver Intl - Phoenix Sky Harbor Intl), you can expect to pay $44 for that flight.

  • Can I find deals for flights from Colorado to Sky Harbor Intl that include hotel bookings?

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

  • How can I find direct flights from Colorado to Sky Harbor Intl?

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

  • Can I find deals for business class flights from Colorado to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Colorado to Sky Harbor Intl 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 Sky Harbor Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from Colorado to Phoenix Sky Harbor Intl Airport (average of $53). Flying from Colorado to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of $97). 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

Traveling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Glendale
Payson
Chandler
Casa Grande
Globe
Goodyear
Peoria
Camp Verde
Buckeye
Surprise
Paradise Valley
Avondale
Guadalupe

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Alternative routes for Colorado to Sky Harbor Intl

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Top 5 airlines flying from Colorado to Sky Harbor Intl

Discover the top 5 airlines that operate flights from Colorado to Sky Harbor Intl. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$62Average$154FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$139Average$441FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$141Average$478FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$145Average$302FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$297FlexibilityNo cancel feeOn-timeN/A

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