$204+ Cheap flights from Great Falls to Philadelphia (GTF - PHL)
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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHL
Jul 25 — Aug 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Great Falls to Philadelphia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Great Falls to Philadelphia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Great Falls to PhiladelphiaExplore the most affordable flight options available from Great Falls to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 25, 2026.
Explore the most affordable flight options available from Great Falls to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 25, 2026.
This Delta deal was found by Cheapflights users on 6/22. 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 8/286:18 pm
GTF
- PHL
1 stop9h 47m
Delta
Sun 8/307:20 am
PHL
- GTF
1 stop7h 08m
Delta
Deal found 6/22![Delta logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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 10/35:15 pm
GTF
- PHL
1 stop10h 25m
Alaska Airlines
Wed 10/76:39 pm
PHL
- GTF
1 stop23h 56m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 6/21. 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.
Thu 9/246:21 pm
GTF
- PHL
1 stop9h 44m
Delta
Sun 9/277:05 am
PHL
- GTF
2 stops36h 36m
Delta
Deal found 6/21![Delta logo]()
$442
This Delta deal was found by Cheapflights users on 6/21. 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.
Thu 9/176:21 pm
GTF
- PHL
1 stop9h 44m
Delta
Sat 10/37:05 am
PHL
- GTF
2 stops12h 36m
Delta
Deal found 6/21![Delta logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 10/35:15 pm
GTF
- PHL
1 stop10h 25m
Alaska Airlines
Tue 10/64:06 pm
PHL
- GTF
2 stops26h 29m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$521
Best flights from Great Falls to PhiladelphiaDiscover carefully curated flight deals from Great Falls to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 25, 2026.
Discover carefully curated flight deals from Great Falls to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 25, 2026.
This Delta deal was found by Cheapflights users on 6/21. 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 9/186:21 pm
GTF
- PHL
1 stop9h 44m
Delta
Sun 10/47:20 am
PHL
- GTF
1 stop7h 15m
Delta
Deal found 6/21![Delta logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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 10/35:15 pm
GTF
- PHL
1 stop10h 25m
Alaska Airlines
Wed 10/76:39 pm
PHL
- GTF
1 stop23h 56m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 6/22. 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 8/286:18 pm
GTF
- PHL
1 stop9h 47m
Delta
Sun 8/307:20 am
PHL
- GTF
1 stop7h 08m
Delta
Deal found 6/22![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 6/21. 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.
Thu 9/176:21 pm
GTF
- PHL
1 stop9h 44m
Delta
Sat 10/37:05 am
PHL
- GTF
2 stops12h 36m
Delta
Deal found 6/21![Delta logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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 10/35:15 pm
GTF
- PHL
1 stop10h 25m
Alaska Airlines
Tue 10/64:06 pm
PHL
- GTF
2 stops26h 29m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$521
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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.
Wed 9/235:19 pm
GTF
- PHL
1 stop10h 21m
Alaska Airlines
Sun 9/274:48 pm
PHL
- GTF
2 stops25h 51m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$532
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 9/231:15 pm
GTF
- PHL
2 stops14h 35m
Delta
Sun 9/277:05 am
PHL
- GTF
2 stops36h 36m
Delta
Deal found 6/21![Delta logo]()
$530
Last-minute flights from Great Falls to PhiladelphiaDiscover last-minute flight deals from Great Falls to Philadelphia. Data last updated June 25, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Philadelphia. Data last updated June 25, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:09 pm
GTF
- PHL
1 stop11h 04m
Alaska Airlines
Tue 7/74:26 pm
PHL
- GTF
1 stop26h 03m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$648
This Delta deal was found by Cheapflights users on 6/24. 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.
Wed 7/16:25 pm
GTF
- PHL
2 stops12h 19m
Delta
Tue 7/75:15 am
PHL
- GTF
2 stops9h 22m
Delta
Deal found 6/24![Delta logo]()
$659
This Delta deal was found by Cheapflights users on 6/24. 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.
Thu 7/96:25 pm
GTF
- PHL
1 stop9h 50m
Delta
Mon 7/137:30 am
PHL
- GTF
1 stop7h 07m
Delta
Deal found 6/24![Delta logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:24 am
GTF
- PHL
1 stop17h 36m
Multiple Airlines
Sun 7/125:25 am
PHL
- GTF
2 stops16h 55m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Sat 7/186:15 am
GTF
- PHL
1 stop21h 16m
United Airlines
Tue 7/286:00 am
PHL
- GTF
1 stop7h 45m
United Airlines
Deal found 6/25![United Airlines logo]()
$674
This Travelocity deal was found by Cheapflights users on 6/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:09 pm
GTF
- PHL
1 stop11h 04m
Alaska Airlines
Wed 7/297:33 am
PHL
- GTF
1 stop10h 56m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$737
One-way flights from Great Falls to PhiladelphiaSearch for one-way flight options from Great Falls to Philadelphia. Find affordable one-way fares based on user searches. Data last updated June 25, 2026.
Search for one-way flight options from Great Falls to Philadelphia. Find affordable one-way fares based on user searches. Data last updated June 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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.
Wed 9/235:19 pm
GTF
- PHL
1 stop10h 21m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:10 pm
GTF
- PHL
2 stops49h 05m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$263
This Priceline deal was found by Cheapflights users on 6/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:18 pm
GTF
- PHL
1 stop10h 22m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:24 am
GTF
- PHL
3 stops47h 25m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 6/21. 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.
Thu 9/246:21 pm
GTF
- PHL
1 stop9h 44m
Delta
Deal found 6/21![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 6/22. 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.
Sun 9/276:21 pm
GTF
- PHL
2 stops14h 40m
Delta
Deal found 6/22![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 9/231:15 pm
GTF
- PHL
2 stops14h 35m
Delta
Deal found 6/21![Delta logo]()
$293
Find flight deals from Great Falls to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (Delta) |
One-way from | $204 (Priceline) |
Popular in | January |
Cheapest in | October |
Average price | $703 |
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to Philadelphia 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 June 25, 2026.
Use the filters below to find and compare flights from Great Falls to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Fri 9/18
6:21 pm-6:05 am
1 stop9h 44m
Philadelphia
Sun 10/4
7:20 am-12:35 pm
1 stop7h 15m
$338
Quickest round-trip
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Fri 8/28
6:18 pm-6:05 am
1 stop9h 47m
Philadelphia
Sun 8/30
7:20 am-12:28 pm
1 stop7h 08m
$338
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Sat 10/3
5:15 pm-5:40 am
1 stop10h 25m
Philadelphia
Wed 10/7
6:39 pm-4:35 pm
1 stop23h 56m
$426
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Thu 9/17
6:21 pm-6:05 am
1 stop9h 44m
Philadelphia
Sat 10/3
7:05 am-5:41 pm
2 stops12h 36m
$462
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Sat 10/3
5:15 pm-5:40 am
1 stop10h 25m
Philadelphia
Tue 10/6
4:06 pm-4:35 pm
2 stops26h 29m
$521
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Wed 9/23
1:15 pm-5:50 am
2 stops14h 35m
Philadelphia
Sun 9/27
7:05 am-5:41 pm
2 stops36h 36m
$530
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Wed 9/23
5:19 pm-5:40 am
1 stop10h 21m
Philadelphia
Sun 9/27
4:48 pm-4:39 pm
2 stops25h 51m
$532
Cheapest one-way
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Sun 9/27
5:19 pm-5:40 am
1 stop10h 21m
$204
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Wed 9/23
5:19 pm-5:40 am
1 stop10h 21m
$204
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Fri 7/24
10:24 am-11:49 am
3 stops47h 25m
$266
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Great Falls to Philadelphia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to Philadelphia in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Great Falls-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Great Falls-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Great Falls to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Great Falls with our price prediction graph.
GTF-PHL
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.
Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated June 25, 2026.
Get a feel of what it's like to fly with Delta and United Airlines from Great Falls to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Great Falls to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
King of Prussia
Reading
Camden
Ocean City
Plymouth Meeting
Cherry Hill
Lewes
Wyomissing
Dewey Beach
Pottstown
Ephrata
Milford
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from Great Falls
Philadelphia flight routes
Popular flights
Alternative routes for Great Falls to Philadelphia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Philadelphia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Great Falls to Philadelphia by cabin class
Find flights from Great Falls to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Great Falls and Philadelphia flights
Browse other Great Falls and Philadelphia flight options. Last updated on June 25, 2026.
Other flights from Great Falls
Browse through other flights departing from Great Falls. Flights are based on user searches made on Cheapflights and were last updated on June 25, 2026.
Other flights to Philadelphia
Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Great Falls to Philadelphia
Discover the top 2 airlines that operate flights from Great Falls to Philadelphia. 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 June 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$230 | Average$443 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$444 | Average$683 | FlexibilityNo cancel fee | On-time69% |