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$58+ Cheap flights from Sky Harbor Intl (PHX) 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Colorado

Keep the following information in mind while searching for Sky Harbor Intl to Colorado flight deals. Data was last updated March 27, 2025.

Round-trip from

$116
(Cheapflightsfares)

One-way from

$58
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$178

Good round-trip deal

$142 or less

Good one-way deal

$101 or less
From Phoenix Sky Harbor Intl to Colorado
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One-way flight from Phoenix Sky Harbor Intl to Colorado
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Highest demand for flights based on searches. 3% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Colorado.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Colorado.
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Find flight deals from Sky Harbor Intl to Colorado

Cheapest flights from Sky Harbor Intl to Colorado
Explore the most affordable flight options available from Sky Harbor Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/267:35 pmPHX - DEN
Nonstop1h 53mFrontier
Sat 5/310:53 pmDEN - PHX
Nonstop2h 02mFrontier
Deal found 3/26$116
This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/265:05 pmPHX - DEN
Nonstop1h 45mSouthwest
Sun 4/276:35 amDEN - PHX
Nonstop1h 55mSouthwest
Deal found 3/26$172
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:10 amPHX - DEN
1 stop3h 55mMultiple Airlines
Thu 5/110:53 pmDEN - PHX
Nonstop2h 02mMultiple Airlines
Deal found 3/26$194
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:00 amPHX - DEN
1 stop5h 04mDelta
Wed 5/287:05 amDEN - PHX
1 stop6h 06mDelta
Deal found 3/26$197
This Booking.com deal was found by Cheapflights users on 3/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/411:07 amPHX - EGE
1 stop28h 18mFrontier
Sun 4/62:58 pmEGE - PHX
1 stop5h 45mFrontier
Deal found 3/25$208
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:20 pmPHX - CEZ
Nonstop1h 30mDenver Air Connection
Fri 5/165:15 pmCEZ - PHX
Nonstop1h 50mDenver Air Connection
Deal found 3/25$211
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/912:38 amPHX - COS
1 stop8h 22mAmerican Airlines
Thu 6/195:00 amCOS - PHX
1 stop7h 09mAmerican Airlines
Deal found 3/26$218
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Sat 5/36:00 amPHX - COS
1 stop5h 39mUnited Airlines
Mon 5/52:00 pmCOS - PHX
1 stop4h 15mUnited Airlines
Deal found 3/26$219
This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:20 pmPHX - COS
Nonstop1h 40mSouthwest
Mon 6/212:10 pmCOS - PHX
Nonstop1h 50mSouthwest
Deal found 3/26$225
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 5/289:56 amPHX - DEN
Nonstop1h 49mUnited Airlines
Wed 5/287:25 pmDEN - PHX
1 stop5h 50mUnited Airlines
Deal found 3/26$243
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 6/26:00 amPHX - DRO
1 stop5h 44mUnited Airlines
Tue 6/35:58 pmDRO - PHX
1 stop5h 03mUnited Airlines
Deal found 3/26$248
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/96:00 amPHX - GUC
1 stop5h 40mUnited Airlines
Sun 4/137:40 amGUC - PHX
1 stop4h 14mUnited Airlines
Deal found 3/25$279

Cheapflights Fare Finder

Customize your flight search to find flights from Sky Harbor Intl 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 March 27, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Colorado that are best for you.

Fly from

Sky Harbor Intl

Fly to

Colorado

Route

Depart

Return

Price

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 4/26

7:35 pm-10:28 pm

Nonstop1h 53m

Denver Intl

Sat 5/3

10:53 pm-11:55 pm

Nonstop2h 02m

$116

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 4/26

5:05 pm-7:50 pm

Nonstop1h 45m

Denver Intl

Sun 4/27

6:35 am-7:30 am

Nonstop1h 55m

$172

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 4/24

10:10 am-3:05 pm

1 stop3h 55m

Denver Intl

Thu 5/1

10:53 pm-11:55 pm

Nonstop2h 02m

$194

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 5/24

1:25 pm-7:30 pm

1 stop5h 05m

Denver Intl

Tue 5/27

5:30 am-8:57 am

1 stop4h 27m

$197

PhoenixVail

PHX - EGE

PHXEGE

Phoenix Sky Harbor Intl

Fri 4/18

11:07 am-4:25 pm

1 stop28h 18m

Vail Eagle County

Mon 4/21

11:48 am-11:50 pm

1 stop13h 02m

$208

PhoenixCortez

PHX - CEZ

PHXCEZ

Phoenix Sky Harbor Intl

Fri 5/9

6:20 pm-8:50 pm

Nonstop1h 30m

Cortez Montezuma County

Fri 5/16

5:15 pm-6:05 pm

Nonstop1h 50m

$211

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Mon 6/9

12:38 am-10:00 am

1 stop8h 22m

Colorado Springs

Thu 6/19

5:00 am-11:09 am

1 stop7h 09m

$218

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Sat 5/3

6:00 am-12:39 pm

1 stop5h 39m

Colorado Springs

Mon 5/5

2:00 pm-5:15 pm

1 stop4h 15m

$219

PhoenixColorado Springs

PHX - COS

PHXCOS

Phoenix Sky Harbor Intl

Wed 5/28

7:20 pm-10:00 pm

Nonstop1h 40m

Colorado Springs

Mon 6/2

12:10 pm-1:00 pm

Nonstop1h 50m

$225

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 4/24

10:10 am-3:05 pm

1 stop3h 55m

Denver Intl

Thu 5/1

4:00 pm-9:00 am

1 stop18h 00m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 58 results
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Best time to book a flight from Sky Harbor Intl to Colorado

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

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

Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Colorado (average of $197). Flying from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl 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 March 27, 2025.

When flying from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport to Colorado

Explore weekly flight availability from Sky Harbor Intl 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 March 27, 2025.

The most flights from PHX to USCO are scheduled on a Wednesday (46 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 March 27, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Phoenix to Colorado. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Food

7.1

Crew

8.6

Overall

8.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Food

7.1

Crew

8.6

Overall

8.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.
Alaska Airlines
8.0
Very good
9,795 reviews
Southwest
8.1
Very good
4,273 reviews

Food

7.1

Crew

8.6

Overall

8.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,273 reviews

Food

7.1

Crew

8.6

Overall

8.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Food

7.1

Crew

8.6

Overall

8.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.
Allegiant Air
7.3
Good
731 reviews
Southwest
8.1
Very good
4,273 reviews

Food

7.1

Crew

8.6

Overall

8.1

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

Related info for your journey

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

    The cheapest airlines for a one-way flight from Phoenix Sky Harbor Intl Airport to Colorado are Frontier ($58), Allegiant Air ($97), and Delta ($99).

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

    The most popular route from Phoenix Sky Harbor Intl Airport to Colorado is Phoenix Sky Harbor Intl - Denver Intl. You may also consider Phoenix Sky Harbor Intl - Colorado Springs or Phoenix Sky Harbor Intl - Durango La Plata County.

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

    The top 3 most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Colorado are Air Canada (90%), Lufthansa (90%) and United Airlines (90%).

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

    On average you can expect to pay $1,762 for a flight from Phoenix Sky Harbor Intl Airport to Colorado. The cheapest flight overall is $48 while the most popular route, (Phoenix Sky Harbor Intl - Denver Intl) is currently priced at $127.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Colorado (average of $197). Flying from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl 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 Sky Harbor Intl to Colorado

Discover the top 5 airlines that operate flights from Sky Harbor Intl 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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$96FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$126Average$461FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$137Average$317FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$137Average$482FlexibilityNo cancel feeOn-time69%
DeltaCheapest$172Average$258FlexibilityNo cancel feeOn-timeN/A
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