Fort Collins

$65+ Cheap flights from Sky Harbor Intl (PHX) to Fort Collins, CO

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Jul 14 — Jul 211
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Fort Collins are usually found in February or October, booked 69 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Sky Harbor Intl to Fort Collins

Cheapest flights from Sky Harbor Intl to Fort Collins
Explore the most affordable flight options available from Sky Harbor Intl to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Fri 8/144:48 pm
PHX
-
DEN
Nonstop1h 58m
Frontier
Mon 8/1710:36 pm
DEN
-
PHX
Nonstop1h 51m
Frontier
Deal found 6/10$115
This Travelocity deal was found by Cheapflights users on 6/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:16 am
PHX
-
DEN
Nonstop1h 56m
Frontier
Tue 10/131:34 pm
DEN
-
PHX
Nonstop2h 01m
Frontier
Deal found 6/11$116
This Super.com deal was found by Cheapflights users on 6/13. 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.
Thu 8/274:09 pm
PHX
-
DEN
Nonstop1h 53m
Frontier
Sat 8/2910:36 pm
DEN
-
PHX
Nonstop1h 58m
Frontier
Deal found 6/13$117
This Frontier deal was found by Cheapflights users on 6/11. 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 8/296:53 pm
PHX
-
DEN
Nonstop1h 53m
Frontier
Mon 9/710:36 pm
DEN
-
PHX
Nonstop1h 58m
Frontier
Deal found 6/11$118
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 8/411:19 am
PHX
-
DEN
Nonstop1h 56m
Frontier
Tue 8/117:25 am
DEN
-
PHX
1 stop9h 06m
Frontier
Deal found 6/11$119
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 8/121:35 pm
PHX
-
DEN
Nonstop1h 59m
Frontier
Mon 8/1710:36 pm
DEN
-
PHX
Nonstop1h 51m
Frontier
Deal found 6/14$120
This Frontier deal was found by Cheapflights users on 6/12. 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 9/210:57 am
PHX
-
DEN
Nonstop1h 59m
Frontier
Mon 9/710:36 pm
DEN
-
PHX
Nonstop1h 58m
Frontier
Deal found 6/12$122
This Super.com deal was found by Cheapflights users on 6/11. 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.
Wed 7/294:48 pm
PHX
-
DEN
Nonstop1h 58m
Frontier
Tue 10/61:34 pm
DEN
-
PHX
Nonstop2h 01m
Frontier
Deal found 6/11$124
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Thu 9/35:15 am
PHX
-
DEN
Nonstop1h 56m
Frontier
Sun 9/66:45 am
DEN
-
PHX
Nonstop2h 00m
Frontier
Deal found 6/11$125
This Frontier deal was found by Cheapflights users on 6/11. 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 8/294:19 pm
PHX
-
DEN
Nonstop1h 53m
Frontier
Sun 9/66:45 am
DEN
-
PHX
Nonstop2h 00m
Frontier
Deal found 6/11$126

Find flight deals from Sky Harbor Intl to Fort Collins

Keep the following information in mind while searching for Sky Harbor Intl to Fort Collins flight deals. Data was last updated June 14, 2026.

Round-trip from

$115
(Cheapflightsfares)

One-way from

$65
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$243
From Phoenix Sky Harbor Intl to Fort Collins
One-way flight from Phoenix Sky Harbor Intl to Fort Collins
Highest demand for flights based on searches. 14% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Fort Collins 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 June 14, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Fort Collins that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 7/28

1:20 pm-8:01 pm

1 stop5h 41m

Denver Intl

Tue 8/4

6:28 pm-11:41 pm

1 stop6h 13m

$217

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 7/25

3:13 pm-11:30 pm

1 stop7h 17m

Denver Intl

Fri 7/31

7:59 pm-12:23 pm

1 stop17h 24m

$250

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 7/22

9:45 am-2:53 pm

1 stop4h 08m

Denver Intl

Fri 7/31

7:31 am-11:34 am

1 stop5h 03m

$264

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 7/25

4:24 pm-10:04 pm

1 stop4h 40m

Denver Intl

Sun 7/26

7:09 pm-11:31 pm

1 stop5h 22m

$286

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 7/17

4:00 pm-8:50 pm

1 stop3h 50m

Denver Intl

Tue 7/21

9:35 am-2:50 pm

2 stops6h 15m

$287

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Mon 7/20

5:05 pm-10:40 pm

1 stop4h 35m

Denver Intl

Wed 7/29

7:05 am-12:12 pm

1 stop6h 07m

$310

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 6/30

9:25 am-2:40 pm

1 stop4h 15m

Denver Intl

Wed 7/1

9:35 am-2:50 pm

2 stops6h 15m

$311

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 7/17

1:55 pm-9:00 pm

2 stops6h 05m

Denver Intl

Sun 7/19

9:00 pm-12:15 am

1 stop4h 15m

$328

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 7/10

5:05 pm-10:40 pm

1 stop4h 35m

Denver Intl

Fri 7/17

7:57 pm-12:06 am

1 stop5h 09m

$329

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 7/31

1:55 pm-9:00 pm

2 stops6h 05m

Denver Intl

Sun 8/2

9:00 pm-12:15 am

1 stop4h 15m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Sky Harbor Intl to Fort Collins

Have a flexible travel schedule? Discover the best time to fly to Fort Collins 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 Fort Collins

What is the cheapest time of day to fly from PHX to FC9?

Find hourly flight availability from Sky Harbor Intl to Fort Collins. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2026.

One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport to Fort Collins is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 47% on airfare.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Fort Collins

Explore weekly flight availability from Sky Harbor Intl to Fort Collins. 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 June 14, 2026.

The most flights from PHX to FC9 are scheduled on a Monday (43 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 on average).

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

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

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Fort Collins. Price data was last updated on June 8, 2026.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Fort Collins flight should consider departing on Thursday 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.

Reviews of airlines servicing Fort Collins

Get insights into the airlines that provide service to Fort Collins. 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 Fort Collins. Reviews last updated June 14, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Phoenix Sky Harbor Intl Airport to Fort Collins by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Fort Collins. 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 Fort Collins?

    For as low as $287, Delta can have you in Fort Collins from Phoenix Sky Harbor Intl Airport in 3h 50m. There are 601 mi between Phoenix Sky Harbor Intl Airport and Fort Collins. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Phoenix Sky Harbor Intl Airport to Fort Collins are Frontier ($34), American Airlines ($68), and Southwest ($78).

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

    The top 3 most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Fort Collins are SWISS (100%), Envoy Air (93%) and Lufthansa (90%).

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

    On average you can expect to pay $676 for a flight from Phoenix Sky Harbor Intl Airport to Fort Collins. The cheapest flight overall is $74 while the most popular route, (Phoenix Sky Harbor Intl - Denver Intl) is currently priced at $130.

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

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

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

    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 Fort Collins.

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Fort Collins by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 4 airlines flying from Sky Harbor Intl to Fort Collins

Discover the top 4 airlines that operate flights from Sky Harbor Intl to Fort Collins. 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 June 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$64Average$154FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$137Average$244FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$139Average$348FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$156Average$288FlexibilityNo cancel feeOn-time63%

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