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$157+ Cheap flights from Great Falls (GTF) to Pennsylvania

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — PHL
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
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Cheap flight deals from Great Falls to Pennsylvania

Cheapest flights from Great Falls to Pennsylvania
Explore the most affordable flight options available from Great Falls to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.

This United Airlines deal was found by Cheapflights users on 3/19. 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 5/22:35 pm
GTF
-
IAD
1 stop6h 59m
United Airlines
Wed 5/62:37 pm
IAD
-
GTF
1 stop8h 41m
United Airlines
Deal found 3/19$326
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 10/314:55 pm
GTF
-
EWR
1 stop11h 09m
Alaska Airlines
Wed 11/49:00 am
EWR
-
GTF
1 stop9h 13m
Alaska Airlines
Deal found 3/16$326
This Delta deal was found by Cheapflights users on 3/19. 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 5/26:20 pm
GTF
-
IAD
2 stops12h 55m
Delta
Wed 5/66:00 am
IAD
-
GTF
2 stops13h 40m
Delta
Deal found 3/19$337
This Delta deal was found by Cheapflights users on 3/19. 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 5/26:20 pm
GTF
-
DCA
2 stops13h 59m
Delta
Wed 5/66:30 am
DCA
-
GTF
2 stops13h 10m
Delta
Deal found 3/19$337
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 10/204:55 pm
GTF
-
EWR
1 stop11h 09m
Alaska Airlines
Sat 10/249:00 am
EWR
-
GTF
1 stop9h 13m
Alaska Airlines
Deal found 3/19$342
This Trip.com deal was found by Cheapflights users on 3/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:06 pm
GTF
-
EWR
1 stop10h 54m
Multiple Airlines
Tue 4/149:00 am
EWR
-
GTF
1 stop9h 26m
Multiple Airlines
Deal found 3/17$349
This Delta deal was found by Cheapflights users on 3/19. 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 4/106:22 pm
GTF
-
DCA
2 stops12h 48m
Delta
Wed 4/156:00 am
DCA
-
GTF
2 stops13h 40m
Delta
Deal found 3/19$353
This Delta deal was found by Cheapflights users on 3/17. 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 4/181:09 pm
GTF
-
JFK
1 stop8h 50m
Delta
Mon 4/206:15 am
JFK
-
GTF
1 stop8h 12m
Delta
Deal found 3/17$358
This Delta deal was found by Cheapflights users on 3/17. 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 4/96:22 pm
GTF
-
PHL
1 stop9h 19m
Delta
Mon 4/137:15 am
PHL
-
GTF
1 stop7h 12m
Delta
Deal found 3/17$358
This Delta deal was found by Cheapflights users on 3/18. 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 4/136:20 pm
GTF
-
IAD
2 stops12h 55m
Delta
Thu 4/167:20 am
IAD
-
GTF
1 stop7h 07m
Delta
Deal found 3/18$364
This Delta deal was found by Cheapflights users on 3/17. 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 4/136:20 pm
GTF
-
DCA
2 stops13h 59m
Delta
Thu 4/166:05 am
DCA
-
GTF
2 stops13h 35m
Delta
Deal found 3/17$369
This Delta deal was found by Cheapflights users on 3/19. 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 4/76:22 pm
GTF
-
DCA
2 stops13h 58m
Delta
Wed 4/1511:00 am
DCA
-
GTF
2 stops13h 29m
Delta
Deal found 3/19$378

Find flight deals from Great Falls to Pennsylvania

Keep the following information in mind while searching for Great Falls to Pennsylvania flight deals. Data was last updated March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$326
(United Airlines)

One-way from

$157
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$808
Provider with most accurate pricing for Great Falls-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Great Falls-Philadelphia flights.
Search Deals
From Great Falls to Pennsylvania
Search Deals
One-way flight from Great Falls to Pennsylvania
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls to Pennsylvania 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 March 20, 2026.
Use the filters below to find and compare flights from Great Falls to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Thu 4/9

6:22 pm-5:41 am

1 stop9h 19m

Philadelphia

Mon 4/13

7:15 am-12:27 pm

1 stop7h 12m

$358

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Mon 4/13

6:20 pm-9:15 am

2 stops12h 55m

Washington, D.C. Dulles Intl

Thu 4/16

6:00 am-5:40 pm

2 stops13h 40m

$369

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 4/7

6:22 pm-10:20 am

2 stops13h 58m

Washington, D.C. Reagan-National

Wed 4/15

11:00 am-10:29 pm

2 stops13h 29m

$378

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Tue 4/28

6:15 pm-12:09 am

1 stop27h 54m

Washington, D.C. Dulles Intl

Sat 5/2

7:10 am-5:35 pm

1 stop12h 25m

$384

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Thu 4/9

2:30 pm-11:43 pm

1 stop7h 13m

Philadelphia

Wed 4/15

3:40 pm-9:17 pm

1 stop7h 37m

$403

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Tue 3/31

6:22 pm-5:41 am

1 stop9h 19m

Philadelphia

Sat 4/4

7:00 am-12:24 pm

1 stop7h 24m

$408

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Sat 4/25

6:15 pm-12:09 am

1 stop27h 54m

Washington, D.C. Dulles Intl

Wed 4/29

7:10 am-5:35 pm

1 stop12h 25m

$419

Great FallsWashington, D.C.

GTF - IAD

GTFIAD

Great Falls

Fri 4/10

6:22 pm-10:13 am

2 stops13h 51m

Washington, D.C. Dulles Intl

Wed 4/15

7:20 am-12:27 pm

1 stop7h 07m

$419

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Tue 3/31

5:30 am-6:18 pm

2 stops10h 48m

Washington, D.C. Reagan-National

Sat 4/4

6:13 am-5:42 pm

2 stops13h 29m

$419

Great FallsWashington, D.C.

GTF - DCA

GTFDCA

Great Falls

Wed 4/8

6:22 pm-10:20 am

2 stops13h 58m

Washington, D.C. Reagan-National

Sat 4/11

6:13 am-5:42 pm

2 stops13h 29m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Great Falls to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Great Falls with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to Pennsylvania

What is the cheapest month to book a flight from Great Falls to Pennsylvania?

Currently, October is the cheapest month in which you can book a flight from Great Falls to Pennsylvania (average of $230). Flying from Great Falls to Pennsylvania in March is currently the most expensive (average of $808). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated March 20, 2026.
Read reviews from past customers who have flown United Airlines from Great Falls to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,450 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,450 reviews
United Airlines
7.4
Good
9,450 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Great Falls to Pennsylvania?

    Located just 3.5 mi from the city center, Great Falls (GTF) is the airport most travelers will use when flying to Pennsylvania from Great Falls.

  • How long is the flight from Great Falls to Pennsylvania?

    Airlines like Delta, Alaska Airlines, and United Airlines fly from Great Falls to Pennsylvania in about 7h 13m. The time it takes to get you to your destination can typically vary by up to 20h 41m. Airlines will cover a distance of 1860 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Great Falls to Pennsylvania?

    The most popular route from Great Falls to Pennsylvania is Great Falls - Washington, D.C. Dulles Intl. You may also consider Great Falls - Philadelphia or Great Falls - Newark.

  • Can I find deals for flights from Great Falls to Pennsylvania that include hotel bookings?

    Yes. In addition to deals on Great Falls to Pennsylvania flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Pennsylvania?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Pennsylvania.

  • Can I find deals for business class flights from Great Falls to Pennsylvania?

    Yes. Cheapflights offers flight deals from Great Falls to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Great Falls to Pennsylvania?

    Currently, October is the cheapest month in which you can book a flight from Great Falls to Pennsylvania (average of $230). Flying from Great Falls to Pennsylvania in March is currently the most expensive (average of $808). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Great Falls to Pennsylvania

Discover the top airline that operate flights from Great Falls to Pennsylvania. 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 March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$284Average$571FlexibilityNo cancel feeOn-time69%

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