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Sky Harbor Intl

$54+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
1 adult, Economy
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Cheap 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 May 11, 2026.

This Frontier deal was found by Cheapflights users on 5/10. 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.
Wed 6/1712:22 pm
DEN
-
PHX
Nonstop1h 58m
Frontier
Wed 6/174:53 pm
PHX
-
DEN
Nonstop1h 53m
Frontier
Deal found 5/10$107
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/102:47 pm
DEN
-
PHX
Nonstop2h 01m
Frontier
Wed 6/1711:21 am
PHX
-
DEN
Nonstop1h 54m
Frontier
Deal found 5/11$108
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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.
Tue 5/129:03 am
DEN
-
PHX
Nonstop2h 02m
Frontier
Wed 5/1311:00 am
PHX
-
DEN
Nonstop2h 00m
Frontier
Deal found 5/10$109
This Super.com deal was found by Cheapflights users on 5/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:23 pm
DEN
-
PHX
Nonstop2h 00m
Frontier
Wed 5/274:29 pm
PHX
-
DEN
Nonstop1h 56m
Frontier
Deal found 5/9$110
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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.
Tue 6/92:47 pm
DEN
-
PHX
Nonstop2h 01m
Frontier
Sat 6/136:40 am
PHX
-
DEN
Nonstop1h 57m
Frontier
Deal found 5/11$111
This Frontier deal was found by Cheapflights users on 5/11. 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.
Sat 6/1310:36 pm
DEN
-
PHX
Nonstop1h 53m
Frontier
Tue 6/234:53 pm
PHX
-
DEN
Nonstop1h 53m
Frontier
Deal found 5/11$112
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:34 pm
DEN
-
PHX
Nonstop1h 55m
Frontier
Tue 6/26:51 pm
PHX
-
DEN
Nonstop1h 58m
Frontier
Deal found 5/9$116
This Trip.com deal was found by Cheapflights users on 5/10. 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.
Wed 6/39:03 am
DEN
-
PHX
Nonstop2h 02m
Frontier
Wed 6/172:15 pm
PHX
-
DEN
Nonstop1h 55m
Frontier
Deal found 5/10$117
This Cheapflightsfares deal was found by Cheapflights users on 5/9. 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.
Wed 5/279:03 am
DEN
-
PHX
Nonstop2h 02m
Frontier
Wed 6/34:29 pm
PHX
-
DEN
Nonstop1h 56m
Frontier
Deal found 5/9$119
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:55 pm
DEN
-
PHX
Nonstop2h 00m
Frontier
Wed 5/206:51 pm
PHX
-
DEN
Nonstop1h 58m
Frontier
Deal found 5/11$120
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 7/157:25 am
DEN
-
PHX
1 stop9h 03m
Frontier
Sat 7/186:53 pm
PHX
-
DEN
Nonstop1h 56m
Frontier
Deal found 5/6$121
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:23 pm
GJT
-
PHX
1 stop23h 00m
Multiple Airlines
Mon 6/110:27 pm
PHX
-
GJT
1 stop12h 46m
Multiple Airlines
Deal found 5/9$212

Find 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 May 11, 2026.

Round-trip from

$107
(Frontier)

One-way from

$54
(Super.com)

Popular in

March

Cheapest in

September

Average price

$195

Good round-trip deal

$148 or less

Good one-way deal

$84 or less
From Colorado to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Colorado to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Colorado to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Colorado to Phoenix Sky Harbor Intl.
Search Deals

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 May 11, 2026.
Use the filters below to find and compare flights from Colorado to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 6/27

8:55 pm-9:50 pm

Nonstop1h 55m

Phoenix Sky Harbor Intl

Sat 7/4

1:00 pm-3:50 pm

Nonstop1h 50m

$241
Quickest round-trip

CortezPhoenix

CEZ - PHX

CEZPHX

Cortez Montezuma County

Mon 9/7

11:55 am-12:45 pm

Nonstop1h 50m

Phoenix Sky Harbor Intl

Sat 9/12

1:15 pm-4:05 pm

Nonstop1h 50m

$254

MontrosePhoenix

MTJ - PHX

MTJPHX

Montrose County

Sat 5/23

2:21 pm-10:06 pm

1 stop8h 45m

Phoenix Sky Harbor Intl

Wed 5/27

5:10 am-1:30 pm

1 stop7h 20m

$271

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 7/1

5:10 pm-8:40 pm

1 stop4h 30m

Phoenix Sky Harbor Intl

Sun 7/5

7:05 pm-12:30 am

1 stop4h 25m

$286

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Sat 7/11

7:35 pm-11:00 pm

1 stop4h 25m

Phoenix Sky Harbor Intl

Thu 7/16

1:55 pm-9:00 pm

2 stops6h 05m

$287

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Wed 6/17

5:35 am-8:15 am

1 stop3h 40m

Phoenix Sky Harbor Intl

Wed 6/24

3:30 pm-9:45 pm

1 stop5h 15m

$289

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Fri 7/3

12:45 pm-4:13 pm

1 stop4h 28m

Phoenix Sky Harbor Intl

Sun 7/5

9:45 am-2:56 pm

1 stop4h 11m

$294

CortezPhoenix

CEZ - PHX

CEZPHX

Cortez Montezuma County

Wed 7/1

11:55 am-12:45 pm

Nonstop1h 50m

Phoenix Sky Harbor Intl

Sat 7/4

1:15 pm-4:05 pm

Nonstop1h 50m

$299

CortezPhoenix

CEZ - PHX

CEZPHX

Cortez Montezuma County

Wed 7/1

11:55 am-12:45 pm

Nonstop1h 50m

Phoenix Sky Harbor Intl

Thu 7/2

1:15 pm-4:05 pm

Nonstop1h 50m

$299

HaydenPhoenix

HDN - PHX

HDNPHX

Hayden Yampa Valley

Thu 5/28

1:20 pm-10:59 pm

2 stops10h 39m

Phoenix Sky Harbor Intl

Mon 6/1

6:00 am-12:24 pm

1 stop5h 24m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Colorado to Phoenix Sky Harbor Intl Airport?

To ensure you get the cheapest price possible for a flight from Colorado to Phoenix Sky Harbor Intl Airport, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Colorado to Phoenix Sky Harbor Intl Airport (average of $65). Flying from Colorado to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of $490). 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 May 11, 2026.

It’s optimal to fly from Colorado to Phoenix Sky Harbor Intl Airport at noon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

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 at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 May 11, 2026.

The most flights from USCO to PHX are scheduled on a Sunday (49 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Colorado to Phoenix Sky Harbor Intl Airport?

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 Southwest, Denver Air Connection, and American Airlines fly from Colorado to Phoenix Sky Harbor Intl Airport in about 1h 50m. The time it takes to get you to your destination can typically vary by up to 6h 55m. The distance between Colorado and Phoenix Sky Harbor Intl Airport is about 327 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 Frontier. According to our data, you can fly for as low as $36. Users have also found prices from $68 and $68 on United Airlines and American Airlines, 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 Air Canada (89%), United Airlines (89%) or SkyWest Airlines (88%) 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 $192, our data shows the cheapest flight currently is $49. When looking at the most popular route, (Denver Intl - Phoenix Sky Harbor Intl), you can expect to pay $156 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, August is the cheapest month in which you can book a flight from Colorado to Phoenix Sky Harbor Intl Airport (average of $65). Flying from Colorado to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of $490). 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
Goodyear
Paradise Valley
Buckeye
Casa Grande
Peoria
Chandler
Payson
Camp Verde
Globe
Surprise
Guadalupe

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Alternative routes for Colorado to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
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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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$63Average$170FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$136Average$364FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$137Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$147Average$303FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$174Average$250FlexibilityNo cancel feeOn-time62%

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