$208 Cheap Flights from Great Falls (GTF) to Philadelphia (PHL)

View $208 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Philadelphia Intl. Airport (PHL)

Cheap Flights from Great Falls to Philadelphia (GTF-PHL)

Prices were available within the past 7 days and start at $208 for one-way flights and $372 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Feb 3 - Tue, Feb 10
GTF
Great Falls
PHL
Philadelphia
$372 Roundtrip, found 2 days ago
$372
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Feb 3 from Great Falls to Philadelphia, returning Tue, Feb 10, priced at $372 found 2 days ago
Alaska Airlines
Tue, Feb 3 - Wed, Feb 11
GTF
Great Falls
PHL
Philadelphia
$382 Roundtrip, found 2 days ago
$382
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Feb 3 from Great Falls to Philadelphia, returning Wed, Feb 11, priced at $382 found 2 days ago
Hawaiian Airlines
Wed, Jan 21 - Tue, Jan 27
GTF
Great Falls
PHL
Philadelphia
$392 Roundtrip, found 2 days ago
$392
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 21 from Great Falls to Philadelphia, returning Tue, Jan 27, priced at $392 found 2 days ago
Hawaiian Airlines
Wed, Jan 21 - Wed, Jan 28
GTF
Great Falls
PHL
Philadelphia
$402 Roundtrip, found 2 days ago
$402
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 21 from Great Falls to Philadelphia, returning Wed, Jan 28, priced at $402 found 2 days ago
Hawaiian Airlines
Thu, Feb 5 - Wed, Feb 11
GTF
Great Falls
PHL
Philadelphia
$412 Roundtrip, found 2 days ago
$412
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, Feb 5 from Great Falls to Philadelphia, returning Wed, Feb 11, priced at $412 found 2 days ago
Delta
Wed, Feb 4 - Tue, Feb 10
GTF
Great Falls
PHL
Philadelphia
$412 Roundtrip, found 2 days ago
$412
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Feb 4 from Great Falls to Philadelphia, returning Tue, Feb 10, priced at $412 found 2 days ago
Delta
Sat, Feb 7 - Tue, Feb 10
GTF
Great Falls
PHL
Philadelphia
$418 Roundtrip, found 2 days ago
$418
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Feb 7 from Great Falls to Philadelphia, returning Tue, Feb 10, priced at $418 found 2 days ago
Hawaiian Airlines
Wed, Jan 21 - Thu, Jan 29
GTF
Great Falls
PHL
Philadelphia
$422 Roundtrip, found 2 days ago
$422
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 21 from Great Falls to Philadelphia, returning Thu, Jan 29, priced at $422 found 2 days ago
Alaska Airlines
Wed, Feb 4 - Sat, Feb 7
GTF
Great Falls
PHL
Philadelphia
$432 Roundtrip, found 2 days ago
$432
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Great Falls to Philadelphia, returning Sat, Feb 7, priced at $432 found 2 days ago
United
Fri, Jan 23 - Tue, Jan 27
GTF
Great Falls
PHL
Philadelphia
$432 Roundtrip, found 2 days ago
$432
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 23 from Great Falls to Philadelphia, returning Tue, Jan 27, priced at $432 found 2 days ago

Find the cheapest month to fly from Great Falls (GTF) to Philadelphia (PHL)

January is typically the cheapest month to fly

From $345 - $1,226 per traveler.

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 $609
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $609
Flights from Great Falls (GTF) to Philadelphia (PHL)
Origin airport
Great Falls Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$372
Distance
1860 mi

Great Falls to Philadelphia Flights

The cheapest times to fly from Great Falls 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 Great Falls to Philadelphia are during the month of February. You can find some of the cheapest flights from Great Falls to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to Philadelphia

Sunday is one of the best days to book for cheap flights from Great Falls 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 Great Falls 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 Great Falls to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $208 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 Great Falls 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 Great Falls 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 Great Falls Intl. Airport (GTF) to Philadelphia Intl. Airport (PHL) cost?
Grab a cheap one-way flight from $208 or cheap return flight from $372 from Great Falls Intl. Airport (GTF) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to Philadelphia Intl. Airport (PHL)?
Traveling in February may help you find better deals, as it's the cheapest month for flights between GTF and PHL. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to Philadelphia Intl. Airport (PHL)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from GTF to PHL. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Great Falls Intl. Airport (GTF) to Philadelphia Intl. Airport (PHL)?
Nonstop flights from Great Falls Intl. Airport (GTF) to Philadelphia Intl. Airport (PHL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GTF to PHL?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 Great Falls Intl. Airport (GTF) to Philadelphia Intl. Airport (PHL)?
To avoid possible delays on the Great Falls Intl. Airport (GTF) to Philadelphia Intl. Airport (PHL) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Great Falls Intl. Airport (GTF) to Philadelphia Intl. Airport (PHL) last-minute?
Holding off until just before your departure to book a ticket from GTF to PHL often results in higher prices. While you may come across some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a GTF to PHL flight and hotel package?
Compared with arranging flights and hotels separately, booking a GTF to PHL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Simply pick your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Philadelphia Intl. Airport (PHL)?
In most instances, you're able to reschedule or cancel your GTF to PHL flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more information, go to our Customer Service portal.

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*Available to One Key members.