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$34+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap 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 diciembre 12, 2025.

This Super.com deal was found by Cheapflights users on 12/9. 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.
mié. 12/247:00 amPHX - DEN
Nonstop1h 55mFrontier
jue. 12/256:15 amDEN - PHX
Nonstop2h 06mFrontier
Deal found 12/9$77
This Frontier deal was found by Cheapflights users on 12/10. 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.
mié. 12/249:31 amPHX - DEN
Nonstop1h 55mFrontier
jue. 1/110:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 12/10$78
This Frontier deal was found by Cheapflights users on 12/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/307:00 amPHX - DEN
Nonstop1h 55mFrontier
mar. 1/61:26 pmDEN - PHX
Nonstop2h 05mFrontier
Deal found 12/9$104
This Super.com deal was found by Cheapflights users on 12/9. 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.
mar. 12/307:00 amPHX - DEN
Nonstop1h 55mFrontier
jue. 1/810:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 12/9$107
This Expedia deal was found by Cheapflights users on 12/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2512:42 pmPHX - DEN
1 stop6h 36mMultiple Airlines
jue. 1/110:29 pmDEN - PHX
Nonstop2h 00mMultiple Airlines
Deal found 12/9$112
This Frontier deal was found by Cheapflights users on 12/11. 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.
mié. 12/247:00 amPHX - DEN
Nonstop1h 55mFrontier
mié. 12/3110:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 12/11$113
This Frontier deal was found by Cheapflights users on 12/10. 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.
lun. 12/2910:26 pmPHX - DEN
1 stop5h 32mFrontier
jue. 1/810:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 12/10$114
This Frontier deal was found by Cheapflights users on 12/8. 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. 12/167:00 amPHX - DEN
Nonstop1h 55mFrontier
mar. 1/611:02 amDEN - PHX
Nonstop2h 04mFrontier
Deal found 12/8$115
This Frontier deal was found by Cheapflights users on 12/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/249:31 amPHX - DEN
Nonstop1h 55mFrontier
lun. 12/2910:37 pmDEN - PHX
1 stop10h 11mFrontier
Deal found 12/9$120
This Denver Air Connection deal was found by Cheapflights users on 12/10. 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 Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/267:20 pmPHX - CEZ
Nonstop1h 30mDenver Air Connection
lun. 12/295:15 pmCEZ - PHX
Nonstop1h 50mDenver Air Connection
Deal found 12/10$234
This Denver Air Connection deal was found by Cheapflights users on 12/10. 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 Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2312:10 pmPHX - CEZ
Nonstop1h 50mDenver Air Connection
lun. 12/295:15 pmCEZ - PHX
Nonstop1h 50mDenver Air Connection
Deal found 12/10$254
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
mié. 12/2410:26 pmPHX - GJT
1 stop14h 20mMultiple Airlines
dom. 12/281:26 pmGJT - PHX
1 stop19h 22mMultiple Airlines
Deal found 12/9$270

Find 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 diciembre 12, 2025.

Round-trip from

$67
(Super.com)

One-way from

$34
(CheapOair)

Popular in

June

Cheapest in

February

Average price

$179

Good round-trip deal

$154 or less

Good one-way deal

$98 or less
From Phoenix Sky Harbor Intl to Colorado
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Colorado
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($24 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 December 2025
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Colorado.
Search Deals
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Colorado.
Search Deals

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 diciembre 12, 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

sáb. 1/17

3:45 pm-11:58 pm

1 stop8h 13m

Denver Intl

dom. 1/18

12:34 pm-7:25 pm

1 stop6h 51m

$136

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

mié. 1/14

8:24 am-11:58 pm

1 stop15h 34m

Denver Intl

dom. 1/18

8:04 am-3:03 pm

1 stop6h 59m

$136

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

jue. 12/25

3:43 pm-5:39 pm

Nonstop1h 56m

Denver Intl

mar. 12/30

6:15 am-8:21 am

Nonstop2h 06m

$147

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

jue. 1/15

3:45 pm-11:58 pm

1 stop8h 13m

Denver Intl

dom. 1/18

8:04 am-3:03 pm

1 stop6h 59m

$156

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

sáb. 12/20

9:31 am-11:26 am

Nonstop1h 55m

Denver Intl

mar. 1/6

1:26 pm-3:31 pm

Nonstop2h 05m

$163

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

mar. 1/6

6:06 am-6:15 pm

2 stops12h 09m

Denver Intl

sáb. 1/10

8:04 am-2:00 pm

1 stop5h 56m

$165

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

vie. 1/16

3:45 pm-11:58 pm

1 stop8h 13m

Denver Intl

mié. 1/21

12:34 pm-7:25 pm

1 stop6h 51m

$166

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

sáb. 1/17

3:45 pm-11:58 pm

1 stop8h 13m

Denver Intl

mar. 1/20

12:34 pm-7:25 pm

1 stop6h 51m

$166

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

vie. 12/19

6:04 pm-10:39 pm

1 stop4h 35m

Denver Intl

lun. 1/5

10:29 pm-12:29 am

Nonstop2h 00m

$169

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

mié. 12/24

12:15 pm-7:13 pm

1 stop6h 58m

Denver Intl

jue. 12/25

6:27 pm-11:55 pm

1 stop5h 28m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 60 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, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Colorado (average of $53). Flying from Phoenix Sky Harbor Intl Airport to Colorado in July is currently the most expensive (average of $102). 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 diciembre 12, 2025.

It’s optimal to fly from Phoenix Sky Harbor Intl Airport to Colorado in the evening. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Colorado. Price data was last updated on December 6, 2025.

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

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 diciembre 12, 2025.

The most flights from PHX to USCO are scheduled on a Thursday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

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 diciembre 12, 2025.
Get a feel of what it's like to fly with Denver Air Connection, Southwest, and United Airlines from Phoenix Sky Harbor Intl Airport to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Denver Air Connection
8.7
Very good

Food

8.4

Boarding

8.7

Comfort

8.9

Overall

8.7

Entertainment

8.1

Crew

9.4
Denver Air Connection
8.7
Very good
Denver Air Connection
8.7
Very good

Food

8.4

Boarding

8.7

Comfort

8.9

Overall

8.7

Entertainment

8.1

Crew

9.4
Southwest
7.9
Good
4,252 reviews
Denver Air Connection
8.7
Very good

Food

8.4

Boarding

8.7

Comfort

8.9

Overall

8.7

Entertainment

8.1

Crew

9.4
United Airlines
7.4
Good
9,095 reviews
Denver Air Connection
8.7
Very good

Food

8.4

Boarding

8.7

Comfort

8.9

Overall

8.7

Entertainment

8.1

Crew

9.4
American Airlines
7.2
Good
11,048 reviews
Denver Air Connection
8.7
Very good

Food

8.4

Boarding

8.7

Comfort

8.9

Overall

8.7

Entertainment

8.1

Crew

9.4
Frontier
5.8
Fair
3,084 reviews
Denver Air Connection
8.7
Very good

Food

8.4

Boarding

8.7

Comfort

8.9

Overall

8.7

Entertainment

8.1

Crew

9.4

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.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Colorado?

    For as low as $188, Alaska Airlines can have you in Colorado from Phoenix Sky Harbor Intl Airport in 1h 50m. There are 327 mi between Phoenix Sky Harbor Intl Airport and Colorado. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 ($31), American Airlines ($68), and United Airlines ($74).

  • 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 - Vail Eagle 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 Lufthansa (85%), Envoy Air (83%) and SkyWest Airlines (83%).

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

    On average you can expect to pay $935 for a flight from Phoenix Sky Harbor Intl Airport to Colorado. The cheapest flight overall is $45 while the most popular route, (Phoenix Sky Harbor Intl - Denver Intl) is currently priced at $63.

  • 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, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Colorado (average of $53). Flying from Phoenix Sky Harbor Intl Airport to Colorado in July is currently the most expensive (average of $102). 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.

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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 6 airlines flying from Sky Harbor Intl to Colorado

Discover the top 6 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$115FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$137Average$514FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$138Average$407FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$153Average$363FlexibilityNo cancel feeOn-time63%
DeltaCheapest$206Average$278FlexibilityNo cancel feeOn-timeN/A
Denver Air ConnectionCheapest$384Average$537FlexibilityNo cancel feeOn-timeN/A

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