HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sky Harbor Intl

$58+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHX
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 30, 2025.

Round-trip from

$115
(SmartFares)

One-way from

$58
(Cheapflightsfares)

Popular in

March

Cheapest in

July

Average price

$176

Good round-trip deal

$156 or less

Good one-way deal

$94 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. 16% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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

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 April 30, 2025.

This SmartFares deal was found by Cheapflights users on 4/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:30 amDEN - PHX
Nonstop2h 04mFrontier
Sun 5/258:21 pmPHX - DEN
Nonstop1h 59mFrontier
Deal found 4/29$115
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/2211:16 amDEN - PHX
Nonstop2h 11mAmerican Airlines
Sun 5/257:56 pmPHX - DEN
Nonstop1h 43mAmerican Airlines
Deal found 4/29$193
This Southwest deal was found by Cheapflights users on 4/29. 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 5/287:45 amCOS - PHX
Nonstop1h 55mSouthwest
Wed 6/47:20 pmPHX - COS
Nonstop1h 40mSouthwest
Deal found 4/29$203
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 7/58:15 amCOS - PHX
1 stop4h 58mDelta
Mon 7/79:45 amPHX - COS
1 stop5h 09mDelta
Deal found 4/29$216
This Delta deal was found by Cheapflights users on 4/29. 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 6/45:30 amDEN - PHX
1 stop4h 27mDelta
Mon 6/91:25 pmPHX - DEN
1 stop5h 28mDelta
Deal found 4/29$217
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/275:30 amCOS - PHX
1 stop4h 23mUnited Airlines
Tue 6/34:30 pmPHX - COS
1 stop4h 21mUnited Airlines
Deal found 4/29$221
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 5/2211:10 amGJT - PHX
1 stop6h 10mDelta
Tue 5/275:25 pmPHX - GJT
1 stop4h 08mDelta
Deal found 4/29$227
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/107:20 pmDRO - PHX
Nonstop1h 28mAmerican Airlines
Mon 6/169:45 pmPHX - DRO
Nonstop1h 23mAmerican Airlines
Deal found 4/29$235
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/101:40 pmDRO - PHX
1 stop4h 31mUnited Airlines
Mon 6/164:30 pmPHX - DRO
1 stop4h 45mUnited Airlines
Deal found 4/29$254
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/52:39 pmMTJ - PHX
1 stop6h 49mAmerican Airlines
Sun 6/812:38 amPHX - MTJ
1 stop8h 20mAmerican Airlines
Deal found 4/28$255
This Denver Air Connection deal was found by Cheapflights users on 4/29. 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 Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/145:15 pmCEZ - PHX
Nonstop1h 50mDenver Air Connection
Sun 5/186:20 pmPHX - CEZ
Nonstop1h 30mDenver Air Connection
Deal found 4/29$258
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/412:28 pmGJT - PHX
Nonstop1h 42mAmerican Airlines
Sat 6/74:00 pmPHX - GJT
Nonstop1h 29mAmerican Airlines
Deal found 4/29$262

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 April 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

Thu 5/22

7:30 am-8:34 am

Nonstop2h 04m

Phoenix Sky Harbor Intl

Sun 5/25

8:21 pm-11:20 pm

Nonstop1h 59m

$115

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 5/22

11:16 am-12:27 pm

Nonstop2h 11m

Phoenix Sky Harbor Intl

Sun 5/25

7:56 pm-10:39 pm

Nonstop1h 43m

$193

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Wed 5/28

7:45 am-8:40 am

Nonstop1h 55m

Phoenix Sky Harbor Intl

Wed 6/4

7:20 pm-10:00 pm

Nonstop1h 40m

$203

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Sat 7/5

8:15 am-12:13 pm

1 stop4h 58m

Phoenix Sky Harbor Intl

Mon 7/7

9:45 am-3:54 pm

1 stop5h 09m

$216

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Wed 6/4

5:30 am-8:57 am

1 stop4h 27m

Phoenix Sky Harbor Intl

Mon 6/9

1:25 pm-7:53 pm

1 stop5h 28m

$217

Colorado SpringsPhoenix

COS - PHX

COSPHX

Colorado Springs

Tue 5/27

5:30 am-8:53 am

1 stop4h 23m

Phoenix Sky Harbor Intl

Tue 6/3

4:30 pm-9:51 pm

1 stop4h 21m

$221

Grand JunctionPhoenix

GJT - PHX

GJTPHX

Grand Junction Regnl

Thu 5/22

11:10 am-4:20 pm

1 stop6h 10m

Phoenix Sky Harbor Intl

Tue 5/27

5:25 pm-10:33 pm

1 stop4h 08m

$227

DurangoPhoenix

DRO - PHX

DROPHX

Durango La Plata County

Tue 6/10

7:20 pm-7:48 pm

Nonstop1h 28m

Phoenix Sky Harbor Intl

Mon 6/16

9:45 pm-12:08 am

Nonstop1h 23m

$235

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 5/22

9:05 pm-10:01 pm

Nonstop1h 56m

Phoenix Sky Harbor Intl

Sun 5/25

6:00 am-8:50 am

Nonstop1h 50m

$243

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

Thu 5/22

7:30 am-8:34 am

Nonstop2h 04m

Phoenix Sky Harbor Intl

Sun 5/25

10:10 am-3:05 pm

1 stop3h 55m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 51 results
1
2
3
...
6

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 April 30, 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 April 30, 2025.

The most flights from USCO to PHX are scheduled on a Tuesday (40 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated April 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Colorado to Phoenix have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $58. Users have also found prices from $98 and $99 on American Airlines and Delta, 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 Durango La Plata County - 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 (83%), Frontier (80%) or United Airlines (79%) 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 $256, our data shows the cheapest flight currently is $59. When looking at the most popular route, (Denver Intl - Phoenix Sky Harbor Intl), you can expect to pay $121 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
Chandler
Peoria
Buckeye
Glendale
Globe
Goodyear
Payson
Camp Verde
Surprise
Avondale
Paradise Valley
Guadalupe
Litchfield Park

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Sky Harbor Intl flights
O'Hare Intl to Sky Harbor Intl flights
Newark to Sky Harbor Intl flights
Seattle to Sky Harbor Intl flights
Los Angeles to Sky Harbor Intl flights
Minneapolis to Sky Harbor Intl flights
Boston to Sky Harbor Intl flights
LaGuardia to Sky Harbor Intl flights
Dallas/Fort Worth to Sky Harbor Intl flights
Midway to Sky Harbor Intl flights
Dulles Intl to Sky Harbor Intl flights
San Francisco to Sky Harbor Intl flights
Reagan-National to Sky Harbor Intl flights
Portland to Sky Harbor Intl flights
Denver to Sky Harbor Intl flights
Atlanta to Sky Harbor Intl flights
Detroit to Sky Harbor Intl flights
Baltimore to Sky Harbor Intl flights
Hobby to Sky Harbor Intl flights
Philadelphia to Sky Harbor Intl flights
George Bush Intcntl to Sky Harbor Intl flights
Burbank to Sky Harbor Intl flights
Orlando to Sky Harbor Intl flights
San Diego to Sky Harbor Intl flights
San Jose to Sky Harbor Intl flights
Everett to Sky Harbor Intl flights
Salt Lake City to Sky Harbor Intl flights
Austin to Sky Harbor Intl flights
Santa Ana to Sky Harbor Intl flights
Tampa to Sky Harbor Intl flights
Ontario to Sky Harbor Intl flights
Cincinnati to Sky Harbor Intl flights
Charlotte to Sky Harbor Intl flights
Milwaukee to Sky Harbor Intl flights
Raleigh to Sky Harbor Intl flights
Indianapolis to Sky Harbor Intl flights
Miami to Sky Harbor Intl flights
Cleveland to Sky Harbor Intl flights
Nashville to Sky Harbor Intl flights
Oakland to Sky Harbor Intl flights
Sacramento to Sky Harbor Intl flights
Kansas City to Sky Harbor Intl flights
Love Field to Sky Harbor Intl flights
St. Louis to Sky Harbor Intl flights
Omaha to Sky Harbor Intl flights
Newark to Phoenix-Mesa Gateway flights
Fort Lauderdale to Sky Harbor Intl flights
Des Moines to Sky Harbor Intl flights
Boise to Sky Harbor Intl flights
Spokane to Sky Harbor Intl flights

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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$143FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$130Average$291FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$135Average$479FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$137Average$459FlexibilityNo cancel feeOn-time71%
ContourCheapest$158Average$188FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$196Average$273FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.