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$86+ Cheap flights from Philadelphia (PHL) 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Fort Collins are usually found in September or May, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Philadelphia to Fort Collins

Keep the following information in mind while searching for Philadelphia to Fort Collins flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$170
(Cheapflightsfares)

One-way from

$86
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$336
Provider with most accurate pricing for Philadelphia-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Denver Intl flights.
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From Philadelphia to Fort Collins
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One-way flight from Philadelphia to Fort Collins
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Highest demand for flights based on searches. 8% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Philadelphia to Fort Collins

Cheapest flights from Philadelphia to Fort Collins
Explore the most affordable flight options available from Philadelphia to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/96:40 amPHL - DEN
Nonstop4h 21mFrontier
Thu 4/1011:59 pmDEN - PHL
Nonstop3h 32mFrontier
Deal found 3/27$170
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/307:55 pmPHL - DEN
Nonstop4h 11mAmerican Airlines
Sat 5/37:00 amDEN - PHL
Nonstop3h 35mAmerican Airlines
Deal found 3/27$186
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 5/278:00 amPHL - DEN
Nonstop4h 03mUnited Airlines
Wed 6/411:45 pmDEN - PHL
Nonstop3h 37mUnited Airlines
Deal found 3/27$194
This Southwest deal was found by Cheapflights users on 3/27. 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 4/266:25 amPHL - DEN
1 stop8h 30mSouthwest
Sat 5/35:55 pmDEN - PHL
Nonstop3h 40mSouthwest
Deal found 3/27$196
This JetBlue deal was found by Cheapflights users on 3/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:00 amPHL - DEN
1 stop8h 40mJetBlue
Fri 5/910:38 pmDEN - PHL
1 stop9h 00mJetBlue
Deal found 3/27$209
This Booking.com deal was found by Cheapflights users on 3/27. 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.
Thu 4/2412:40 pmPHL - DEN
Nonstop4h 20mMultiple Airlines
Thu 5/16:30 pmDEN - PHL
1 stop14h 29mMultiple Airlines
Deal found 3/27$230
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 5/27:05 amPHL - DEN
1 stop10h 11mDelta
Tue 5/63:00 pmDEN - PHL
1 stop6h 15mDelta
Deal found 3/27$257

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia 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 March 28, 2025.
Use the filters below to find and compare flights from Philadelphia to Fort Collins that are best for you.

Fly from

Philadelphia

Fly to

Fort Collins

Route

Depart

Return

Price

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Wed 4/9

6:40 am-9:01 am

Nonstop4h 21m

Denver Intl

Thu 4/10

11:59 pm-5:31 am

Nonstop3h 32m

$170

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Wed 4/30

7:55 pm-10:06 pm

Nonstop4h 11m

Denver Intl

Sat 5/3

7:00 am-12:35 pm

Nonstop3h 35m

$186

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Tue 5/27

8:00 am-10:03 am

Nonstop4h 03m

Denver Intl

Wed 6/4

11:45 pm-5:22 am

Nonstop3h 37m

$194

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Sat 4/26

6:25 am-12:55 pm

1 stop8h 30m

Denver Intl

Sat 5/3

5:55 pm-11:35 pm

Nonstop3h 40m

$196

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Wed 4/30

6:00 am-12:40 pm

1 stop8h 40m

Denver Intl

Fri 5/9

10:38 pm-9:38 am

1 stop9h 00m

$209

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Thu 4/24

12:40 pm-3:00 pm

Nonstop4h 20m

Denver Intl

Thu 5/1

6:30 pm-10:59 am

1 stop14h 29m

$230

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Mon 4/28

7:05 am-12:56 pm

1 stop7h 51m

Denver Intl

Sun 5/4

12:55 am-9:20 am

1 stop6h 25m

$257

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Fri 4/25

12:40 pm-3:00 pm

Nonstop4h 20m

$86

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Sat 5/31

8:00 am-10:03 am

Nonstop4h 03m

$98

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Sat 5/17

7:40 pm-9:53 pm

Nonstop4h 13m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 16 results
1
2

Best time to book a flight from Philadelphia to Fort Collins

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

How far ahead should I book a flight from Philadelphia to Fort Collins?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Fort Collins. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Fort Collins, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Philadelphia to Fort Collins?

Currently, October is the cheapest month in which you can book a flight from Philadelphia to Fort Collins (average of $197). Flying from Philadelphia 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 PHL to FC9?

Find hourly flight availability from Philadelphia 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 March 28, 2025.

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

What is the cheapest day to fly from Philadelphia to Fort Collins?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Fort Collins. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Philadelphia to Fort Collins flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Philadelphia to Fort Collins

Explore weekly flight availability from Philadelphia 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 March 28, 2025.

The most flights from PHL to FC9 are scheduled on a Thursday (17 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Fort Collins by month

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

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.

Temperature in Fort Collins by month

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

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).

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 March 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Philadelphia to Fort Collins to help guide your decision. In addition to providing an overall rating, 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

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,923 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia 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 airport do you fly from for flights from Philadelphia to Fort Collins?

    If you book a flight to Fort Collins from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 7 flights from Philadelphia to Fort Collins per day from 7 different airlines.

  • How popular is this Philadelphia to Fort Collins flight route?

    Flights from Philadelphia to Fort Collins have been viewed 159 times in the past calendar month.

  • What are the cheapest airlines to fly from Philadelphia to Fort Collins one-way?

    $86 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $98 and $106, respectively.

  • What are the most reliable airlines from Philadelphia to Fort Collins?

    Before booking your flight to Fort Collins from Philadelphia, check out the most reliable airlines to get you to your destination on time: Air Canada (88%), United Airlines (88%), Qatar Airways( 85%).

  • What are the cheapest flights from Philadelphia to Fort Collins?

    Looking for the cheapest flight from Philadelphia to Fort Collins? While on average our users pay $706, our data indicates the cheapest price to be $87. The most popular route (Philadelphia - Denver Intl), is priced around $141.

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

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

  • How can I find direct flights from Philadelphia to Fort Collins?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Fort Collins.

  • Can I find deals for business class flights from Philadelphia to Fort Collins?

    Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Fort Collins?

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

See more FAQs

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Alternative routes for Philadelphia to Fort Collins

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Philadelphia to Fort Collins

Discover the top 7 airlines that operate flights from Philadelphia 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$82Average$275FlexibilityNo cancel feeOn-time83%
FrontierCheapest$87Average$204FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$184Average$367FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$185Average$475FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$194Average$354FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$207Average$325FlexibilityNo cancel feeOn-time62%
DeltaCheapest$215Average$333FlexibilityNo cancel feeOn-timeN/A
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