$199+ Cheap flights from Great Falls to Philadelphia (GTF - PHL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHL
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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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 November 9, 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 November 9, 2026.
This Delta deal was found by Cheapflights users on 11/5. 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 11/206:19 pm -
1 stop9h 36m
Tue 11/243:00 pm -
2 stops9h 30m
Deal found 11/5![Delta logo]()
$793
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 11/202:45 pm -
1 stop6h 54m
Tue 11/243:35 pm -
1 stop8h 03m
Deal found 11/5![United Airlines logo]()
$852
This Priceline deal was found by Cheapflights users on 11/4. 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.
Thu 12/245:12 pm -
1 stop10h 30m
Sun 12/277:02 am -
1 stop11h 30m
Deal found 11/4![Alaska Airlines logo]()
$1,117
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 12/242:37 pm -
1 stop6h 22m
Sun 12/2710:37 am -
2 stops13h 04m
Deal found 11/4![United Airlines logo]()
$1,154
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 November 9, 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 November 9, 2026.
This Delta deal was found by Cheapflights users on 11/4. 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 3/256:20 pm -
1 stop9h 21m
Sun 3/287:00 am -
1 stop7h 27m
Deal found 11/4![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 1/66:25 am -
1 stop7h 24m
Sat 1/93:27 pm -
1 stop8h 15m
Deal found 11/7![United Airlines logo]()
$518
Last-minute flights from Great Falls to PhiladelphiaDiscover last-minute flight deals from Great Falls to Philadelphia. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Philadelphia. Data last updated November 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/5. 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 11/206:19 pm -
1 stop9h 36m
Tue 11/243:00 pm -
2 stops9h 30m
Deal found 11/5![Delta logo]()
$793
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 11/202:45 pm -
1 stop6h 54m
Tue 11/243:35 pm -
1 stop8h 03m
Deal found 11/5![United Airlines logo]()
$852
This Priceline deal was found by Cheapflights users on 11/4. 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.
Thu 12/245:12 pm -
1 stop10h 30m
Sun 12/277:02 am -
1 stop11h 30m
Deal found 11/4![Alaska Airlines logo]()
$1,117
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 12/242:37 pm -
1 stop6h 22m
Sun 12/2710:37 am -
2 stops13h 04m
Deal found 11/4![United Airlines logo]()
$1,154
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 November 9, 2026.
Search for one-way flight options from Great Falls to Philadelphia. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/315:12 pm -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Alaska Airlines logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 1/15:12 pm -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Alaska Airlines logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 1/35:12 pm -
1 stop10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Alaska Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 1/45:12 pm -
1 stop21h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 11/7. 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 1/36:19 pm -
1 stop9h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Mon 12/282:37 pm -
1 stop6h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![United Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Sun 1/311:40 am -
3 stops54h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/316:20 am -
2 stops10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 11/5. 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.
Mon 1/45:30 am -
2 stops33h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 11/5. 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 1/15:35 am -
2 stops10h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$495
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 November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $398 (Delta) |
One-way from | $199 (Alaska Airlines) |
Popular in | January |
Cheapest in | September |
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 7,457,451 searches. Data last updated November 9, 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 Great Falls - PHL Philadelphia
GTFPHL
Great Falls
Mon 1/4
5:12 pm-5:11 pm
1 stop21h 59m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$353
Great FallsPhiladelphia
GTF Great Falls - PHL Philadelphia
GTFPHL
Great Falls
Sun 1/3
6:19 pm-5:55 am
1 stop9h 36m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$357
Quickest round-trip
Great FallsPhiladelphia
GTF Great Falls - PHL Philadelphia
GTFPHL
Great Falls
Mon 12/28
2:37 pm-10:59 pm
1 stop6h 22m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$362
Great FallsPhiladelphia
GTF Great Falls - PHL Philadelphia
GTFPHL
Great Falls
Sun 1/3
11:40 am-8:02 pm
3 stops54h 22m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$388
Great FallsPhiladelphia
GTF Great Falls - PHL Philadelphia
GTFPHL
Great Falls
Thu 3/25
6:20 pm-5:41 am
1 stop9h 21m
Philadelphia
Sun 3/28
7:00 am-12:27 pm
1 stop7h 27m
$398
Great FallsPhiladelphia
GTF Great Falls - PHL Philadelphia
GTFPHL
Great Falls
Fri 1/1
5:35 am-6:11 pm
2 stops10h 36m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$495
Great FallsPhiladelphia
GTF Great Falls - PHL Philadelphia
GTFPHL
Great Falls
Wed 1/6
6:25 am-3:49 pm
1 stop7h 24m
Philadelphia
Sat 1/9
3:27 pm-9:42 pm
1 stop8h 15m
$518
Great FallsPhiladelphia
GTF Great Falls - PHL Philadelphia
GTFPHL
Great Falls
Sat 1/2
5:12 pm-5:42 am
1 stop10h 30m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$587
Great FallsPhiladelphia
GTF Great Falls - PHL Philadelphia
GTFPHL
Great Falls
Thu 12/31
2:37 pm-2:39 pm
3 stops22h 02m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$636
Great FallsPhiladelphia
GTF Great Falls - PHL Philadelphia
GTFPHL
Great Falls
Sat 1/2
6:20 am-12:40 am
2 stops16h 20m
Philadelphia
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$754
Showing 1-10 of 11 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 November.
| 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 November 9, 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.
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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
Dover
Ocean City
Wildwood Crest
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Milford
Ephrata
Elkton
Essington
New Castle
Willow Grove
Glen Mills
Vineland
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Great Falls and Philadelphia flights
Browse other Great Falls and Philadelphia flight options. Last updated on November 9, 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 November 9, 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 November 9, 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 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$343 | Average$572 | FlexibilityNo cancel fee | On-time69% |