Great Falls

$146+ Cheap flights from Pennsylvania to Great Falls (GTF)

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — GTF
Jun 9 — Jun 161
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Cheap flight deals from Pennsylvania to Great Falls

Cheapest flights from Pennsylvania to Great Falls
Explore the most affordable flight options available from Pennsylvania to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.

This Alaska Airlines deal was found by Cheapflights users on 5/8. 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 9/127:00 am
PHL
-
GTF
1 stop11h 39m
Alaska Airlines
Mon 9/215:19 pm
GTF
-
PHL
1 stop10h 21m
Alaska Airlines
Deal found 5/8$348
This Expedia deal was found by Cheapflights users on 5/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 am
JFK
-
GTF
1 stop13h 12m
Alaska Airlines
Wed 6/105:09 pm
GTF
-
JFK
1 stop12h 29m
Alaska Airlines
Deal found 5/6$348
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 6/115:40 pm
PIT
-
GTF
1 stop7h 00m
Delta
Tue 6/235:40 am
GTF
-
PIT
1 stop8h 50m
Delta
Deal found 5/7$348
This Delta deal was found by Cheapflights users on 5/10. 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 9/125:30 am
PHL
-
GTF
2 stops14h 09m
Delta
Mon 9/216:20 pm
GTF
-
PHL
1 stop9h 23m
Delta
Deal found 5/10$354
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 6/115:40 pm
PIT
-
GTF
1 stop7h 00m
Delta
Wed 6/176:25 pm
GTF
-
PIT
2 stops13h 40m
Delta
Deal found 5/7$354
This Delta deal was found by Cheapflights users on 5/8. 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 8/56:00 am
PIT
-
GTF
2 stops13h 42m
Delta
Wed 8/126:28 pm
GTF
-
PIT
2 stops12h 37m
Delta
Deal found 5/8$359
This United Airlines deal was found by Cheapflights users on 5/8. 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 7/46:30 am
IAD
-
GTF
1 stop9h 11m
United Airlines
Thu 7/92:37 pm
GTF
-
IAD
1 stop8h 08m
United Airlines
Deal found 5/8$371
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 5/239:00 am
IAD
-
GTF
1 stop11h 12m
Alaska Airlines
Sat 5/306:52 pm
GTF
-
IAD
1 stop10h 42m
Alaska Airlines
Deal found 5/6$373
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:38 pm
PHL
-
GTF
2 stops11h 48m
Delta
Thu 5/286:19 pm
GTF
-
PHL
1 stop9h 51m
Delta
Deal found 5/6$379
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:25 am
PHL
-
GTF
1 stop7h 02m
Delta
Thu 5/286:19 pm
GTF
-
PHL
1 stop9h 51m
Delta
Deal found 5/6$383
This Delta deal was found by Cheapflights users on 5/8. 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 9/157:20 am
PIT
-
GTF
2 stops12h 19m
Delta
Tue 9/226:20 pm
GTF
-
PIT
2 stops15h 12m
Delta
Deal found 5/8$384
This Expedia deal was found by Cheapflights users on 5/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 am
JFK
-
GTF
1 stop13h 12m
Alaska Airlines
Sat 6/135:09 pm
GTF
-
JFK
1 stop12h 29m
Alaska Airlines
Deal found 5/6$388

Find flight deals from Pennsylvania to Great Falls

Keep the following information in mind while searching for Pennsylvania to Great Falls flight deals. Data was last updated May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$348
(Alaska Airlines)

One-way from

$146
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$688
Provider with most accurate pricing for Philadelphia-Great Falls flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Great Falls flights.
From Pennsylvania to Great Falls
One-way flight from Pennsylvania to Great Falls
Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Great Falls 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 May 10, 2026.
Use the filters below to find and compare flights from Pennsylvania to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 9/12

7:00 am-4:39 pm

1 stop11h 39m

Great Falls

Mon 9/21

5:19 pm-5:40 am

1 stop10h 21m

$348

PittsburghGreat Falls

PIT - GTF

PITGTF

Pittsburgh

Tue 9/15

7:00 am-4:39 pm

1 stop11h 39m

Great Falls

Tue 9/22

5:19 pm-5:25 am

1 stop10h 06m

$348

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Sat 5/23

9:00 am-6:12 pm

1 stop11h 12m

Great Falls

Sat 5/30

6:52 pm-7:34 am

1 stop10h 42m

$373

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 9/12

1:00 pm-10:44 pm

2 stops11h 44m

Great Falls

Mon 9/21

6:20 pm-5:43 am

1 stop9h 23m

$379

NewarkGreat Falls

EWR - GTF

EWRGTF

Newark

Sat 5/23

2:40 pm-9:34 pm

1 stop8h 54m

Great Falls

Wed 5/27

2:37 pm-1:04 am

1 stop8h 27m

$408

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Wed 5/20

6:00 am-6:12 pm

1 stop14h 12m

Great Falls

Sun 5/24

6:52 pm-7:34 am

1 stop10h 42m

$408

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 6/4

12:38 pm-10:26 pm

2 stops11h 48m

Great Falls

Sun 6/7

6:25 pm-6:08 am

1 stop9h 43m

$464

Washington, D.C.Great Falls

IAD - GTF

IADGTF

Washington, D.C. Dulles Intl

Tue 6/9

6:30 am-1:41 pm

1 stop9h 11m

Great Falls

Tue 6/16

2:37 pm-11:32 pm

1 stop6h 55m

$468

PittsburghGreat Falls

PIT - GTF

PITGTF

Pittsburgh

Fri 6/19

5:40 pm-10:40 pm

1 stop7h 00m

Great Falls

Tue 6/23

5:40 am-4:30 pm

1 stop8h 50m

$468

NewarkGreat Falls

EWR - GTF

EWRGTF

Newark

Mon 9/7

8:30 am-5:39 pm

2 stops11h 09m

Great Falls

Sat 9/12

6:20 pm-6:08 am

1 stop9h 48m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Pennsylvania to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Pennsylvania 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 Pennsylvania to Great Falls

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

Currently, June is the cheapest month in which you can book a flight from Pennsylvania to Great Falls (average of $155). Flying from Pennsylvania to Great Falls in December is currently the most expensive (average of $519). 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.

How much does it cost to fly round-trip from Pennsylvania to Great Falls?

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Great Falls. 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 into for flights to Great Falls from Pennsylvania?

    If you book a flight to Great Falls from Pennsylvania, you will be flying to Great Falls, which is the city’s only airport. Great Falls (GTF) is located 3.5 mi from the center of Great Falls.

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

    For as low as $371, Alaska Airlines can have you in Great Falls from Pennsylvania in 9h 11m. There are 1789 mi between Pennsylvania and Great Falls. This flight may include one or multiple stops.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Great Falls 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 Pennsylvania to Great Falls?

    Currently, June is the cheapest month in which you can book a flight from Pennsylvania to Great Falls (average of $155). Flying from Pennsylvania to Great Falls in December is currently the most expensive (average of $519). 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

Traveling to a place near Great Falls?

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Top 2 airlines flying from Pennsylvania to Great Falls

Discover the top 2 airlines that operate flights from Pennsylvania to Great Falls. 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$259Average$491FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$280Average$529FlexibilityNo cancel feeOn-time69%

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