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Sky Harbor Intl

$57+ 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$88
(Cheapflightsfares)

One-way from

$57
(Cheapflightsfares)

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 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. 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 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 septiembre 11, 2025.

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.
jue. 9/1810:29 pmDEN - PHX
Nonstop1h 58mFrontier
dom. 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.
jue. 10/96:55 amDEN - PHX
Nonstop2h 04mFrontier
mié. 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.
jue. 10/96:55 amDEN - PHX
Nonstop2h 04mFrontier
lun. 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.
mar. 9/238:55 pmDEN - PHX
Nonstop1h 58mFrontier
jue. 10/306:30 amPHX - DEN
Nonstop1h 59mFrontier
Deal found 9/9$93
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.
jue. 10/24:14 pmDEN - PHX
Nonstop1h 59mFrontier
dom. 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.
vie. 10/177:19 pmDEN - PHX
Nonstop2h 00mFrontier
mié. 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.
sáb. 9/2710:30 amDEN - PHX
Nonstop2h 02mFrontier
mar. 9/308:00 amPHX - DEN
Nonstop2h 00mFrontier
Deal found 9/10$96
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.
mar. 10/148:55 pmDEN - PHX
Nonstop2h 00mFrontier
mié. 10/157:30 pmPHX - DEN
Nonstop1h 56mFrontier
Deal found 9/10$97
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.
jue. 10/29:58 pmDEN - PHX
Nonstop1h 56mMultiple Airlines
sáb. 10/44:17 pmPHX - DEN
1 stop6h 30mMultiple Airlines
Deal found 9/10$98
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.
sáb. 9/278:55 pmDEN - PHX
Nonstop1h 58mFrontier
mié. 10/18:00 amPHX - DEN
Nonstop2h 00mFrontier
Deal found 9/10$99
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1910:59 pmDEN - PHX
Nonstop1h 58mFrontier
mié. 9/248:00 amPHX - DEN
Nonstop2h 00mFrontier
Deal found 9/11$101
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.
lun. 9/2910:59 pmDEN - PHX
Nonstop1h 58mFrontier
vie. 10/311:09 amPHX - DEN
Nonstop1h 57mFrontier
Deal found 9/11$102

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 septiembre 11, 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

jue. 10/30

9:58 pm-10:55 pm

Nonstop1h 57m

Phoenix Sky Harbor Intl

dom. 11/2

7:25 am-9:49 pm

1 stop14h 24m

$107

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

mar. 10/7

12:36 am-1:17 pm

1 stop13h 41m

Phoenix Sky Harbor Intl

mar. 10/14

12:14 pm-3:15 pm

Nonstop2h 01m

$109

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

mar. 1/6

5:44 pm-7:45 pm

Nonstop2h 01m

Phoenix Sky Harbor Intl

sáb. 1/17

4:31 pm-6:25 pm

Nonstop1h 54m

$117

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

mié. 12/17

11:37 am-1:38 pm

Nonstop2h 01m

Phoenix Sky Harbor Intl

mar. 12/30

5:40 pm-7:36 pm

Nonstop1h 56m

$117

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

jue. 11/13

12:59 am-3:03 pm

1 stop14h 04m

Phoenix Sky Harbor Intl

lun. 11/17

10:53 pm-12:47 am

Nonstop1h 54m

$122

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

mié. 10/15

12:36 am-1:17 pm

1 stop13h 41m

Phoenix Sky Harbor Intl

lun. 10/20

9:59 pm-12:56 am

Nonstop1h 57m

$122

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

jue. 12/25

8:45 pm-10:49 pm

Nonstop2h 04m

Phoenix Sky Harbor Intl

mié. 12/31

8:10 am-10:05 am

Nonstop1h 55m

$133

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

mié. 10/8

7:01 am-3:17 pm

1 stop9h 16m

Phoenix Sky Harbor Intl

mié. 10/15

4:17 pm-11:47 pm

1 stop6h 30m

$136

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

sáb. 10/25

7:01 am-3:17 pm

1 stop9h 16m

Phoenix Sky Harbor Intl

mar. 10/28

3:15 pm-11:51 pm

1 stop7h 36m

$136

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

mié. 10/8

7:01 am-3:17 pm

1 stop9h 16m

Phoenix Sky Harbor Intl

mar. 10/14

4:17 pm-11:47 pm

1 stop6h 30m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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, January is the cheapest month in which you can book a flight from Colorado to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Colorado to Phoenix Sky Harbor Intl Airport 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 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 septiembre 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 Phoenix Sky Harbor Intl Airport as you normally would.

Weekly flight availability from Colorado to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Colorado to Sky Harbor Intl. 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 septiembre 11, 2025.

The most flights from USCO to PHX 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).

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 Frontier, United Airlines, and Southwest fly from Colorado to Phoenix Sky Harbor Intl Airport in about 1h 55m. The time it takes to get you to your destination is usually consistent. The distance between Colorado and Phoenix Sky Harbor Intl Airport is about 550 mi. All flights are typically nonstop.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $68. Users have also found prices from $68 and $71 on Hawaiian Airlines and Frontier, 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 Frontier (76%), Air Canada (69%) or Southwest (66%) 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 $174, our data shows the cheapest flight currently is $57. When looking at the most popular route, (Denver Intl - Phoenix Sky Harbor Intl), you can expect to pay $95 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, January is the cheapest month in which you can book a flight from Colorado to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Colorado to Phoenix Sky Harbor Intl Airport 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

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
Payson
Glendale
Chandler
Globe
Goodyear
Casa Grande
Buckeye
Camp Verde
Surprise
Peoria
Paradise Valley
Avondale
Guadalupe

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Alternative routes for Colorado to Sky Harbor Intl

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Top 6 airlines flying from Colorado to Sky Harbor Intl

Discover the top 6 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$153FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$137Average$464FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$137Average$296FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$140Average$469FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$311FlexibilityNo cancel feeOn-timeN/A
Denver Air ConnectionCheapest$238Average$408FlexibilityNo cancel feeOn-timeN/A

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