$121 Cheap Flights from Kalispell (FCA) to Philadelphia (PHL)

View $121 flight on Wed, Sep 17, 2025Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to Philadelphia Intl. Airport (PHL)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Kalispell to Philadelphia (FCA-PHL)

Prices were available within the past 7 days and start at $121 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep 19 - Tue, Sep 23
FCA
Kalispell
PHL
Philadelphia
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 19 from Kalispell to Philadelphia, returning Tue, Sep 23, priced at $241 found 1 day ago
American Airlines
Thu, Sep 25 - Tue, Sep 30
FCA
Kalispell
PHL
Philadelphia
$243 Roundtrip, found 3 days ago
$243
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 25 from Kalispell to Philadelphia, returning Tue, Sep 30, priced at $243 found 3 days ago
United
Fri, Oct 17 - Wed, Oct 22
FCA
Kalispell
PHL
Philadelphia
$247 Roundtrip, found 3 days ago
$247
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 17 from Kalispell to Philadelphia, returning Wed, Oct 22, priced at $247 found 3 days ago
Delta
Fri, Oct 3 - Mon, Oct 6
FCA
Kalispell
PHL
Philadelphia
$268 Roundtrip, found 7 hours ago
$268
Roundtrip
found 7 hours ago
Select Delta flight, departing Fri, Oct 3 from Kalispell to Philadelphia, returning Mon, Oct 6, priced at $268 found 7 hours ago
American Airlines
Fri, Sep 19 - Tue, Sep 23
FCA
Kalispell
PHL
Philadelphia
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 19 from Kalispell to Philadelphia, returning Tue, Sep 23, priced at $269 found 1 day ago
United
Fri, Oct 3 - Mon, Oct 6
FCA
Kalispell
PHL
Philadelphia
$275 Roundtrip, found 7 hours ago
$275
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 3 from Kalispell to Philadelphia, returning Mon, Oct 6, priced at $275 found 7 hours ago
Delta
Fri, Oct 3 - Tue, Oct 7
FCA
Kalispell
PHL
Philadelphia
$277 Roundtrip, found 1 day ago
$277
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Oct 3 from Kalispell to Philadelphia, returning Tue, Oct 7, priced at $277 found 1 day ago
United
Fri, Oct 3 - Mon, Oct 6
FCA
Kalispell
PHL
Philadelphia
$280 Roundtrip, found 7 hours ago
$280
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Oct 3 from Kalispell to Philadelphia, returning Mon, Oct 6, priced at $280 found 7 hours ago
Alaska Airlines
Tue, Sep 9 - Tue, Sep 23
FCA
Kalispell
PHL
Philadelphia
$344 Roundtrip, found 23 hours ago
$344
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Tue, Sep 9 from Kalispell to Philadelphia, returning Tue, Sep 23, priced at $344 found 23 hours ago
Hawaiian Airlines
Tue, Sep 23 - Tue, Sep 30
FCA
Kalispell
PHL
Philadelphia
$344 Roundtrip, found 3 days ago
$344
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Sep 23 from Kalispell to Philadelphia, returning Tue, Sep 30, priced at $344 found 3 days ago

Find the cheapest month to fly from Kalispell (FCA) to Philadelphia (PHL)

October is typically the cheapest month to fly

From $298 - $869 per traveler.

Graph displaying average flight prices per month

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $468
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $468
Flights from Kalispell (FCA) to Philadelphia (PHL)
Origin airport
Glacier Park Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$241
Distance
1997 mi

Kalispell to Philadelphia Flights

The cheapest times to fly from Kalispell to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kalispell to Philadelphia are during the month of September. You can find some of the cheapest flights from Kalispell to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kalispell to Philadelphia

Sunday is one of the best days to book for cheap flights from Kalispell to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kalispell to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kalispell to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $121 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kalispell to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kalispell to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Glacier Park Intl. Airport (FCA) to Philadelphia Intl. Airport (PHL) cost?
Discover the latest flight deals from FCA to PHL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from FCA to PHL?
The cheapest flights from FCA to PHL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from FCA to PHL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from FCA to PHL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Glacier Park Intl. Airport (FCA) to Philadelphia Intl. Airport (PHL)?
There aren't any daily nonstop flights from Glacier Park Intl. Airport (FCA) to Philadelphia Intl. Airport (PHL). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from FCA to PHL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Glacier Park Intl. Airport (FCA) to Philadelphia Intl. Airport (PHL)?
To reach Philadelphia Intl. Airport (PHL) on time, book a flight that leaves Glacier Park Intl. Airport (FCA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Glacier Park Intl. Airport (FCA) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your plane ticket from FCA to PHL shortly before your journey is usually more expensive. But if there's some wiggle room with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a FCA to PHL flight and hotel package?
You can save money by booking a FCA to PHL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to Philadelphia Intl. Airport (PHL)?
If you reserved your FCA to PHL flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.