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 ($33), United Airlines ($80), and American Airlines ($81).

In terms of precipitation, rainfall in Fort Collins 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 Fort Collins when rainfall is around 0.5 in.

If weather is an important factor for your trip to Fort Collins, 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).

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

On average you can expect to pay $872 for a flight from Phoenix Sky Harbor Intl Airport to Fort Collins. The cheapest flight overall is $82 while the most popular route, (Phoenix Sky Harbor Intl - Denver Intl) is currently priced at $102.

What are the most popular airlines that fly from Phoenix Sky Harbor Intl Airport to Fort Collins?

When booking a flight from Phoenix Sky Harbor Intl Airport to Fort Collins, you may want to consider flying on Frontier, Southwest or United Airlines as they are the most popular for this route.

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.

Find Cheap Flights from Phoenix Sky Harbor Intl Airport to Fort Collins

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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Fort Collins are usually found in February or April, booked 69 days in advance, depart on a Saturday or Thursday and return on a Saturday

Find flight deals from Sky Harbor Intl to Fort Collins

Popular in	September
Cheapest in	February
Average price	$204

Highest demand for flights based on searches. 8% potential increase in price ($19 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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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?

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 37% on airfare.

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

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 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.

Southwest

7.9

Good

4,217 reviews

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

Southwest

7.9

Good

4,217 reviews

Southwest

7.9

Good

4,217 reviews

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

United Airlines

7.3

Good

10,453 reviews

Southwest

7.9

Good

4,217 reviews

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

American Airlines

7.0

Good

12,212 reviews

Southwest

7.9

Good

4,217 reviews

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

Frontier

5.5

Fair

2,516 reviews

Southwest

7.9

Good

4,217 reviews

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

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 ($33), United Airlines ($80), and American Airlines ($81).
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%), Lufthansa (83%) and SkyWest Airlines (81%).
What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Fort Collins?
On average you can expect to pay $872 for a flight from Phoenix Sky Harbor Intl Airport to Fort Collins. The cheapest flight overall is $82 while the most popular route, (Phoenix Sky Harbor Intl - Denver Intl) is currently priced at $102.
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.

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Top 4 airlines flying from Sky Harbor Intl to Fort Collins

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$61	Average$165	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$154	Average$283	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$157	Average$332	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$177	Average$326	FlexibilityNo cancel fee	On-time63%

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

Find cheap flights from Sky Harbor Intl to Fort Collins with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Sky Harbor Intl to Fort Collins

Popular in

Cheapest in

Average price

Cheapflights Insights

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

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 37% on airfare.

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

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 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.

Related info for your journey

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

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

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

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

How can I 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?

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 Sky Harbor Intl to Fort Collins

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Fort Collins by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sky Harbor Intl to Fort Collins by cabin class

Find flights from Sky Harbor Intl to Fort Collins, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sky Harbor Intl and Fort Collins flights

Browse other Sky Harbor Intl and Fort Collins flight options. Last updated on October 30, 2026.

Other flights from Sky Harbor Intl

Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.

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Top 4 airlines flying from Sky Harbor Intl to Fort Collins

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