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$66+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Fort Collins are usually found in February or August, booked 87 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap 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 July 30, 2025.

Round-trip from

$106
(FlightHub)

One-way from

$64
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$179
From Phoenix Sky Harbor Intl to Fort Collins
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One-way flight from Phoenix Sky Harbor Intl to Fort Collins
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Highest demand for flights based on searches. 18% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 30, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:14 amPHX - DEN
Nonstop1h 57mFrontier
Sun 8/318:34 amDEN - PHX
Nonstop1h 56mFrontier
Deal found 7/29$106
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:57 amPHX - DEN
1 stop6h 13mAlaska Airlines
Wed 10/87:50 pmDEN - PHX
1 stop14h 54mAlaska Airlines
Deal found 7/30$156

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 July 30, 2025.
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

Sky Harbor Intl

Fly to

Fort Collins

Route

Depart

Return

Price

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 8/27

7:14 am-10:11 am

Nonstop1h 57m

Denver Intl

Sun 8/31

8:34 am-9:30 am

Nonstop1h 56m

$106

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 10/4

11:57 am-7:10 pm

1 stop6h 13m

Denver Intl

Wed 10/8

7:50 pm-9:44 am

1 stop14h 54m

$156

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 10/23

8:21 pm-11:19 pm

Nonstop1h 58m

$66

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 10/28

10:38 am-7:06 pm

1 stop7h 28m

$78

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sun 8/31

6:05 am-8:56 am

Nonstop1h 51m

$89

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sun 8/31

12:25 pm-6:21 pm

1 stop4h 56m

$99

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 8/28

3:27 pm-6:18 pm

Nonstop1h 51m

$100

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Mon 8/25

11:30 am-4:35 pm

1 stop4h 05m

$110

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Mon 10/13

11:57 am-2:00 pm

1 stop25h 03m

$117

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 8/8

2:24 pm-7:16 am

1 stop15h 52m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Fort Collins. Price data was last updated on July 25, 2025.

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport to Fort Collins. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Fort Collins (average of $197). Flying from Phoenix Sky Harbor Intl Airport to Fort Collins 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 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 July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phoenix Sky Harbor Intl Airport to Fort Collins as you normally would.

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 December 16, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Fort Collins 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 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 July 30, 2025.

The most flights from PHX to FC9 are scheduled on a Wednesday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

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

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 July 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 ($64), American Airlines ($69), and Hawaiian Airlines ($73).

  • 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 Air Canada (72%), United Airlines (70%) and Frontier (70%).

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

    On average you can expect to pay $1,135 for a flight from Phoenix Sky Harbor Intl Airport to Fort Collins. The cheapest flight overall is $69 while the most popular route, (Phoenix Sky Harbor Intl - Denver Intl) is currently priced at $97.

  • 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.

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

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

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$134FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$137Average$220FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$146Average$235FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$147Average$325FlexibilityNo cancel feeOn-time69%

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