What is the cheapest airline that flies from Great Falls to Philadelphia?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Great Falls to Philadelphia

When did momondo last update prices for flights from Great Falls Airport to Philadelphia Airport?

Prices for flights from Great Falls Airport to Philadelphia Airport refresh daily.

How many operators does momondo search for flights from Great Falls Airport to Philadelphia Airport?

There are 2 operators available for flights from Great Falls Airport to Philadelphia Airport as of August 2026.

How old do you have to be to fly from Great Falls Airport to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Great Falls Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$287 Cheap Flights from Great Falls to Philadelphia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Great Falls to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:21 pm - 6:05 am-

9h 44m

7:20 am - 12:38 pm-

7h 18m

$348Delta

Thu, Oct 1 - Thu, Oct 29

5:40 am - 4:45 pm-

9h 05m

3:45 pm - 10:37 pm-

8h 52m

$354Delta

Sat, Sep 5 - Tue, Sep 15

2:25 pm - 11:44 pm-

7h 19m

8:00 am - 1:41 pm-

7h 41m

$364United Airlines

Sat, Sep 19 - Sat, Sep 26

2:25 pm - 11:44 pm-

7h 19m

10:40 am - 9:22 pm-

12h 42m

$370United Airlines

Sat, Sep 19 - Sat, Sep 26

5:40 am - 4:45 pm-

9h 05m

7:20 am - 12:35 pm-

7h 15m

$378Delta

Sat, Sep 5 - Tue, Sep 15

6:18 pm - 6:05 am-

9h 47m

5:46 am - 12:28 pm-

8h 42m

$384Delta

Fri, Aug 28 - Sat, Sep 5

6:15 am - 3:48 pm-

7h 33m

10:34 am - 9:12 pm-

12h 38m

$444United Airlines

Sat, Aug 15 - Wed, Aug 19

5:15 pm - 5:41 am-

10h 26m

5:49 pm - 4:17 pm-

24h 28m

$446Alaska Airlines

Mon, Oct 26 - Mon, Nov 9

5:15 pm - 5:41 am-

10h 26m

5:49 pm - 4:17 pm-

24h 28m

$446Alaska Airlines

Tue, Oct 27 - Mon, Nov 9

5:19 pm - 5:40 am-

10h 21m

7:00 am - 4:39 pm-

11h 39m

$557Alaska Airlines

Fri, Sep 25 - Sun, Sep 27

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Delta flights from Great Falls to Philadelphia

Our best Delta deals on Great Falls to Philadelphia flight tickets

Delta

Oct 1

GTF6:21 pmGreat Falls

9h 44m

1 stop

PHL6:05 amPhiladelphia

Oct 29

PHL7:20 amPhiladelphia

7h 18m

1 stop

GTF12:38 pmGreat Falls

$348

Delta

Sep 5

GTF5:40 amGreat Falls

9h 05m

1 stop

PHL4:45 pmPhiladelphia

Sep 15

PHL3:45 pmPhiladelphia

8h 52m

2 stops

GTF10:37 pmGreat Falls

$354

Delta

Sep 5

GTF5:40 amGreat Falls

9h 05m

1 stop

PHL4:45 pmPhiladelphia

Sep 15

PHL7:20 amPhiladelphia

7h 15m

1 stop

GTF12:35 pmGreat Falls

$378

United Airlines flights from Great Falls to Philadelphia

Our best United Airlines deals on Great Falls to Philadelphia flight tickets

United Airlines

Sep 19

GTF2:25 pmGreat Falls

7h 19m

1 stop

PHL11:44 pmPhiladelphia

Sep 26

PHL8:00 amPhiladelphia

7h 41m

1 stop

GTF1:41 pmGreat Falls

$364

United Airlines

Sep 19

GTF2:25 pmGreat Falls

7h 19m

1 stop

PHL11:44 pmPhiladelphia

Sep 26

PHL10:40 amPhiladelphia

12h 42m

2 stops

GTF9:22 pmGreat Falls

$370

United Airlines

Aug 15

GTF6:15 amGreat Falls

7h 33m

1 stop

PHL3:48 pmPhiladelphia

Aug 19

PHL10:34 amPhiladelphia

12h 38m

2 stops

GTF9:12 pmGreat Falls

$444

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Thu 10/1

6:21 pm-6:05 am

1 stop9h 44m

Philadelphia

Thu 10/29

7:20 am-12:38 pm

1 stop7h 18m

$348

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Sat 9/5

5:40 am-4:45 pm

1 stop9h 05m

Philadelphia

Tue 9/15

3:45 pm-10:37 pm

2 stops8h 52m

$354

Quickest round-trip

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Sat 9/19

2:25 pm-11:44 pm

1 stop7h 19m

Philadelphia

Sat 9/26

8:00 am-1:41 pm

1 stop7h 41m

$364

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Sat 9/19

2:25 pm-11:44 pm

1 stop7h 19m

Philadelphia

Sat 9/26

10:40 am-9:22 pm

2 stops12h 42m

$370

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Sat 9/5

5:40 am-4:45 pm

1 stop9h 05m

Philadelphia

Tue 9/15

7:20 am-12:35 pm

1 stop7h 15m

$378

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Fri 8/28

6:18 pm-6:05 am

1 stop9h 47m

Philadelphia

Sat 9/5

5:46 am-12:28 pm

2 stops8h 42m

$384

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Sat 8/15

6:15 am-3:48 pm

1 stop7h 33m

Philadelphia

Wed 8/19

10:34 am-9:12 pm

2 stops12h 38m

$444

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Mon 10/26

5:15 pm-5:41 am

1 stop10h 26m

Philadelphia

Mon 11/9

5:49 pm-4:17 pm

1 stop24h 28m

$446

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Tue 10/27

5:15 pm-5:41 am

1 stop10h 26m

Philadelphia

Mon 11/9

5:49 pm-4:17 pm

1 stop24h 28m

$446

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Fri 9/25

5:19 pm-5:40 am

1 stop10h 21m

Philadelphia

Sun 9/27

7:00 am-4:39 pm

1 stop11h 39m

$557

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Great Falls to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Great Falls is in November. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Philadelphia, with average flight prices from Great Falls averaging around $0.

Can stopping save me money on Great Falls to Philadelphia flights?

You could potentially save up to 69% on your flight if you consider stops on a Great Falls to Philadelphia flight.

When to book flights from Great Falls to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Great Falls to Philadelphia (GTF to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to Philadelphia

Fastest flight time	6h 57m
Direct flights	None

The fastest flight from Great Falls to Philadelphia takes 6h 57m

There are no direct flights from Great Falls to Philadelphia. There are no popular flight routes from Great Falls to Philadelphia.

Search flight deals

Frequently asked questions about flying from Great Falls to Philadelphia

How far is Great Falls to Philadelphia by plane?
A flight from Great Falls to Philadelphia will travel around 1858.6 mi. Typically, this will take 6h 57m by plane in normal conditions.
When did momondo last update prices for flights from Great Falls Airport to Philadelphia Airport?
Prices for flights from Great Falls Airport to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Great Falls Airport to Philadelphia Airport?
There are 2 operators available for flights from Great Falls Airport to Philadelphia Airport as of August 2026.
How old do you have to be to fly from Great Falls Airport to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Great Falls Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Great Falls to Philadelphia?
momondo data reveals that the most frequently booked airline on the route from Great Falls to Philadelphia is United Airlines, representing 60% of all bookings. The subsequent popular airline is Delta at 40%.

Best airlines flying from Great Falls to Philadelphia

Compare and see reviews for airlines that fly from Great Falls to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $230	Free Cancellation	Rating 7.8 8,491 reviews		Search Delta flights
United Airlines	PriceFrom $343	Free Cancellation	Rating 7.4 10,060 reviews		Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to Philadelphia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Great Falls to Philadelphia for you.

Can I find flights from Great Falls to Philadelphia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Philadelphia from Great Falls with this policy.

How can momondo help me find flights from Great Falls to Philadelphia?

Once you have performed a search for Great Falls to Philadelphia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Great Falls to Philadelphia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Great Falls to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.