$262+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHL
Jul 8 — Jul 151
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
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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
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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 8, 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 8, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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 10/26:21 pm
GTF
- PHL
1 stop9h 44m
Delta
Mon 10/127:00 am
PHL
- GTF
1 stop7h 27m
Delta
Deal found 6/3![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 6/3. 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 10/56:21 pm
GTF
- PHL
1 stop9h 44m
Delta
Thu 10/156:35 am
PHL
- GTF
2 stops13h 08m
Delta
Deal found 6/3![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 6/3. 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 10/25:40 am
GTF
- PHL
2 stops11h 39m
Delta
Fri 10/97:00 am
PHL
- GTF
1 stop7h 27m
Delta
Deal found 6/3![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 6/3. 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 10/25:40 am
GTF
- PHL
2 stops11h 39m
Delta
Wed 10/142:12 pm
PHL
- GTF
2 stops10h 41m
Delta
Deal found 6/3![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 6/3. 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.
Sat 10/31:15 pm
GTF
- PHL
2 stops18h 13m
Delta
Fri 10/97:00 am
PHL
- GTF
1 stop7h 27m
Delta
Deal found 6/3![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 6/3. 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.
Sat 10/31:15 pm
GTF
- PHL
2 stops18h 13m
Delta
Thu 10/156:35 am
PHL
- GTF
2 stops13h 08m
Delta
Deal found 6/3![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 6/3. 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.
Sat 10/37:00 am
GTF
- PHL
1 stop8h 43m
Delta
Mon 10/127:00 am
PHL
- GTF
1 stop7h 27m
Delta
Deal found 6/3![Delta logo]()
$403
This Delta deal was found by Cheapflights users on 6/3. 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 10/86:20 pm
GTF
- PHL
1 stop9h 21m
Delta
Sat 10/108:25 am
PHL
- GTF
2 stops16h 28m
Delta
Deal found 6/3![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 6/3. 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 10/86:20 pm
GTF
- PHL
2 stops20h 55m
Delta
Wed 10/142:12 pm
PHL
- GTF
2 stops10h 41m
Delta
Deal found 6/3![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 6/4. 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 9/36:22 pm
GTF
- PHL
1 stop9h 43m
Delta
Sat 9/126:45 am
PHL
- GTF
2 stops12h 54m
Delta
Deal found 6/4![Delta logo]()
$419
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 8, 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 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 10/245:15 pm
GTF
- PHL
1 stop10h 25m
Alaska Airlines
Wed 10/286:39 pm
PHL
- GTF
1 stop23h 56m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 6/3. 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 7/21:20 pm
GTF
- PHL
2 stops17h 24m
Delta
Sat 7/45:40 am
PHL
- GTF
2 stops9h 00m
Delta
Deal found 6/3![Delta logo]()
$498
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 10/246:15 am
GTF
- PHL
2 stops13h 14m
United Airlines
Wed 10/281:00 pm
PHL
- GTF
2 stops11h 30m
United Airlines
Deal found 6/7![United Airlines logo]()
$539
This Orbitz deal was found by Cheapflights users on 6/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:18 pm
GTF
- PHL
2 stops20h 27m
Alaska Airlines
Sat 9/124:48 pm
PHL
- GTF
2 stops25h 51m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$545
Last-minute flights from Great Falls to PhiladelphiaDiscover last-minute flight deals from Great Falls to Philadelphia. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Philadelphia. Data last updated June 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 6/132:37 pm
GTF
- PHL
1 stop6h 53m
United Airlines
Sat 6/208:00 am
PHL
- GTF
1 stop7h 41m
United Airlines
Deal found 6/5![United Airlines logo]()
$679
This Delta deal was found by Cheapflights users on 6/5. 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.
Sun 6/146:25 pm
GTF
- PHL
2 stops12h 19m
Delta
Tue 6/233:38 pm
PHL
- GTF
2 stops9h 02m
Delta
Deal found 6/5![Delta logo]()
$654
This Delta deal was found by Cheapflights users on 6/5. 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 6/156:25 pm
GTF
- PHL
1 stop9h 43m
Delta
Tue 6/233:38 pm
PHL
- GTF
2 stops9h 02m
Delta
Deal found 6/5![Delta logo]()
$649
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:18 am
GTF
- PHL
1 stop18h 09m
Multiple Airlines
Sat 6/204:35 pm
PHL
- GTF
2 stops29h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$669
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:05 pm
GTF
- PHL
2 stops30h 33m
Multiple Airlines
Sun 6/2111:00 am
PHL
- GTF
1 stop24h 28m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$622
This Delta deal was found by Cheapflights users on 6/5. 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 6/196:25 pm
GTF
- PHL
1 stop9h 43m
Delta
Tue 6/233:38 pm
PHL
- GTF
2 stops9h 02m
Delta
Deal found 6/5![Delta logo]()
$604
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:18 am
GTF
- PHL
1 stop18h 09m
Multiple Airlines
Sat 6/204:35 pm
PHL
- GTF
2 stops29h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$615
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:18 am
GTF
- PHL
2 stops23h 29m
Multiple Airlines
Sun 6/2111:00 am
PHL
- GTF
1 stop24h 28m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$677
This Delta deal was found by Cheapflights users on 6/3. 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 7/21:20 pm
GTF
- PHL
2 stops17h 24m
Delta
Sat 7/45:40 am
PHL
- GTF
2 stops9h 00m
Delta
Deal found 6/3![Delta logo]()
$498
This United Airlines deal was found by Cheapflights users on 6/3. 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 6/3![United Airlines logo]()
$682
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 8, 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 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/1710:24 am
GTF
- PHL
2 stops35h 51m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 7/286:25 pm
GTF
- PHL
2 stops12h 16m
Delta
Deal found 6/3![Delta logo]()
$268
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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.
Tue 7/285:09 pm
GTF
- PHL
1 stop11h 04m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$286
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 7/2812:30 pm
GTF
- PHL
1 stop6h 49m
United Airlines
Deal found 6/4![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 6/7. 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.
Mon 7/276:25 pm
GTF
- PHL
2 stops12h 16m
Delta
Deal found 6/7![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Mon 7/276:15 am
GTF
- PHL
2 stops29h 55m
United Airlines
Deal found 6/4![United Airlines logo]()
$420
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (Delta) |
One-way from | $262 (Kiwi.com) |
Popular in | July |
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 8, 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
Sat 10/24
5:15 pm-5:40 am
1 stop10h 25m
Philadelphia
Wed 10/28
6:39 pm-4:35 pm
1 stop23h 56m
$436
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Thu 7/2
1:20 pm-8:44 am
2 stops17h 24m
Philadelphia
Sat 7/4
5:40 am-12:40 pm
2 stops9h 00m
$498
Quickest round-trip
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Sat 10/24
6:15 am-9:29 pm
2 stops13h 14m
Philadelphia
Wed 10/28
1:00 pm-10:30 pm
2 stops11h 30m
$539
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Fri 9/4
5:18 pm-3:45 pm
2 stops20h 27m
Philadelphia
Sat 9/12
4:48 pm-4:39 pm
2 stops25h 51m
$545
Cheapest one-way
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Tue 7/28
6:25 pm-8:41 am
2 stops12h 16m
$268
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Fri 7/17
10:24 am-7:20 pm
3 stops30h 56m
$277
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Mon 7/27
6:25 pm-8:41 am
2 stops12h 16m
$398
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Mon 7/27
6:15 am-2:10 pm
2 stops29h 55m
$420
Quickest one-way
Great FallsPhiladelphia
GTF - PHL
GTFPHL
Great Falls
Mon 7/27
5:09 pm-6:13 am
1 stop11h 04m
$433
Sorted 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 8, 2026.
Get a feel of what it's like to fly with 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
7.1
Food
6.6
Boarding
7.7
Overall
7.4
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Entertainment
7.1
Food
6.6
Boarding
7.7
Overall
7.4
Crew
8.1
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Plymouth Meeting
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland
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Great Falls and Philadelphia flights
Browse other Great Falls and Philadelphia flight options. Last updated on June 8, 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 8, 2026.
Other flights to Philadelphia
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Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Great Falls to Philadelphia
Discover the top airline 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$444 | Average$683 | FlexibilityNo cancel fee | On-time69% |