HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Great Falls

$215+ Cheap flights from Philadelphia to Great Falls (PHL - 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — GTF
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Great Falls 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 Philadelphia to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Great Falls (GTF). 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 July 30, 2025.

Round-trip from

$397
(Mytrip)

One-way from

$215
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$733
From Philadelphia to Great Falls
Search Deals
One-way flight from Philadelphia to Great Falls
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Philadelphia to Great Falls

Cheapest flights from Philadelphia to Great Falls
Explore the most affordable flight options available from Philadelphia to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:25 amPHL - GTF
2 stops17h 12mMultiple Airlines
Thu 10/91:05 pmGTF - PHL
2 stops18h 34mMultiple Airlines
Deal found 7/30$397
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 10/147:11 pmPHL - GTF
1 stop24h 24mAlaska Airlines
Tue 10/216:15 pmGTF - PHL
1 stop9h 25mAlaska Airlines
Deal found 7/30$426
This Delta deal was found by Cheapflights users on 7/30. 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 10/147:00 amPHL - GTF
1 stop7h 28mDelta
Tue 10/216:09 pmGTF - PHL
2 stops13h 21mDelta
Deal found 7/30$436
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/2710:30 amPHL - GTF
2 stops12h 58mUnited Airlines
Wed 9/32:35 pmGTF - PHL
1 stop6h 54mUnited Airlines
Deal found 7/28$449
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:22 amPHL - GTF
1 stop10h 27mHawaiian Airlines
Tue 10/76:15 pmGTF - PHL
1 stop9h 25mHawaiian Airlines
Deal found 7/28$488

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 July 30, 2025.
Use the filters below to find and compare flights from Philadelphia to Great Falls that are best for you.

Fly from

Philadelphia

Fly to

Great Falls

Route

Depart

Return

Price

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Fri 10/3

6:25 am-9:37 pm

2 stops17h 12m

Great Falls

Thu 10/9

1:05 pm-9:39 am

2 stops18h 34m

$397

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 10/14

7:11 pm-5:35 pm

1 stop24h 24m

Great Falls

Tue 10/21

6:15 pm-5:40 am

1 stop9h 25m

$426

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Tue 10/14

7:00 am-12:28 pm

1 stop7h 28m

Great Falls

Tue 10/21

6:09 pm-9:30 am

2 stops13h 21m

$436

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Wed 8/27

10:30 am-9:28 pm

2 stops12h 58m

Great Falls

Wed 9/3

2:35 pm-11:29 pm

1 stop6h 54m

$449

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 10/2

7:22 am-3:49 pm

1 stop10h 27m

Great Falls

Tue 10/7

6:15 pm-5:40 am

1 stop9h 25m

$488

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Wed 9/17

7:22 am-3:49 pm

1 stop10h 27m

$215

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Wed 9/17

12:17 pm-10:28 pm

2 stops12h 11m

$280

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Mon 8/18

6:52 pm-9:28 pm

2 stops28h 36m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Philadelphia to Great Falls

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

Reviews of airlines servicing Great Falls

Get insights into the airlines that provide service to Great Falls. 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 Great Falls. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Philadelphia to Great Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia 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 are the cheapest airlines flying from Philadelphia to Great Falls round-trip?

    According to our current data, Alaska Airlines ($426), Delta ($436), and United Airlines ($449) offers the cheapest pricing from Philadelphia to Great Falls. Alaska Airlines is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to Great Falls one-way?

    The cheapest airlines for a one-way flight from Philadelphia to Great Falls are Alaska Airlines ($215), Delta ($280), and United Airlines ($327).

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Great Falls (average of $367). Flying from Philadelphia to Great Falls in July is currently the most expensive (average of $574). 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?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

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 for Philadelphia to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Bozeman flights
John F Kennedy Intl to Bozeman flights
LaGuardia to Bozeman flights
Dulles Intl to Bozeman flights
Reagan-National to Bozeman flights
Philadelphia to Bozeman flights
John F Kennedy Intl to Kalispell flights
Philadelphia to Kalispell flights
Newark to Kalispell flights
LaGuardia to Kalispell flights
Reagan-National to Kalispell flights
Dulles Intl to Kalispell flights
Newark to Missoula flights
John F Kennedy Intl to Missoula flights
Pittsburgh to Bozeman flights
LaGuardia to Missoula flights
John F Kennedy Intl to Billings flights
Newark to Billings flights
Harrisburg to Missoula flights
Dulles Intl to Missoula flights
LaGuardia to Billings flights
Dulles Intl to Billings flights
Pittsburgh to Kalispell flights
Reagan-National to Billings flights
Philadelphia to Missoula flights
Reagan-National to Missoula flights
Harrisburg to Bozeman flights
Allentown to Bozeman flights
John F Kennedy Intl to Great Falls flights
Philadelphia to Billings flights
Philadelphia to Cody flights
Newark to Great Falls flights
Dulles Intl to West Yellowstone flights
Newark to Cody flights
John F Kennedy Intl to Helena flights
LaGuardia to Cody flights
Newark to West Yellowstone flights
Reagan-National to Great Falls flights
Dulles Intl to Great Falls flights
Pittsburgh to Cody flights
Pittsburgh to Missoula flights
Dulles Intl to Helena flights
LaGuardia to West Yellowstone flights
Newark to Helena flights
John F Kennedy Intl to West Yellowstone flights
LaGuardia to Helena flights
Reagan-National to Helena flights
Reagan-National to West Yellowstone flights
LaGuardia to Great Falls flights

Top 2 airlines flying from Philadelphia to Great Falls

Discover the top 2 airlines that operate flights from Philadelphia 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$438Average$507FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$486Average$616FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.