How long does it take to fly to Great Falls?

Flight times from Pennsylvania to Great Falls vary, but if you’re flying out of Pittsburgh and flying into Great Falls (one of the most popular routes), then the duration is 6h 23m on average. Another popular route from Pennsylvania to Great Falls is flying from Philadelphia to Great Falls, which will take roughly 7h 38m. Keep in mind that layovers or delays could extend your travel time.

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

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

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

Prices for flights from Pennsylvania to Great Falls Airport are refreshed on a daily basis.

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

As of November 2026, there are 2 operators available to choose from for flights from Pennsylvania to Great Falls Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$289 Cheap Flights from Pennsylvania to Great Falls in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Great Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 4:11 pmPHL Philadelphia-GTF Great Falls

11h 11m1 stop Seattle/Tacoma Intl

4:51 pm - 5:40 amGTF Great Falls-PHL Philadelphia

10h 49m1 stop Seattle/Tacoma Intl

$388Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

7:00 am - 12:37 pmPHL Philadelphia-GTF Great Falls

7h 37m1 stop Salt Lake City

1:17 pm - 11:57 pmGTF Great Falls-PHL Philadelphia

8h 40m1 stop Salt Lake City

$398Delta

Tue, Feb 23 - Mon, Mar 1

3:35 pm - 9:13 pmPHL Philadelphia-GTF Great Falls

7h 38m1 stop Denver Intl

2:47 pm - 11:41 pmGTF Great Falls-PHL Philadelphia

6h 54m1 stop Denver Intl

$398United Airlines

Fri, Dec 4 - Sun, Dec 6

7:00 am - 4:11 pmPHL Philadelphia-GTF Great Falls

11h 11m1 stop Seattle/Tacoma Intl

4:51 pm - 5:40 amGTF Great Falls-PHL Philadelphia

10h 49m1 stop Seattle/Tacoma Intl

$398Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

7:00 am - 12:37 pmPHL Philadelphia-GTF Great Falls

7h 37m1 stop Salt Lake City

1:17 pm - 11:57 pmGTF Great Falls-PHL Philadelphia

8h 40m1 stop Salt Lake City

$398Delta

Sun, Feb 21 - Sun, Feb 28

7:00 am - 12:37 pmPHL Philadelphia-GTF Great Falls

7h 37m1 stop Salt Lake City

1:17 pm - 11:57 pmGTF Great Falls-PHL Philadelphia

8h 40m1 stop Salt Lake City

$398Delta

Tue, Feb 23 - Sun, Feb 28

10:53 am - 9:13 pmPHL Philadelphia-GTF Great Falls

12h 20m2 stops Chicago O'Hare Intl Denver Intl

2:47 pm - 11:41 pmGTF Great Falls-PHL Philadelphia

6h 54m1 stop Denver Intl

$404United Airlines

Fri, Dec 4 - Sun, Dec 6

7:00 am - 4:11 pmPHL Philadelphia-GTF Great Falls

11h 11m1 stop Seattle/Tacoma Intl

4:51 pm - 5:40 amGTF Great Falls-PHL Philadelphia

10h 49m1 stop Seattle/Tacoma Intl

$428Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

5:56 pm - 4:13 pmPHL Philadelphia-GTF Great Falls

24h 17m1 stop Seattle/Tacoma Intl

4:55 pm - 4:56 pmGTF Great Falls-PHL Philadelphia

22h 01m1 stop Seattle/Tacoma Intl

$428Alaska Airlines

Tue, Feb 23 - Fri, Feb 26

10:53 am - 9:13 pmPHL Philadelphia-GTF Great Falls

12h 20m2 stops Chicago O'Hare Intl Denver Intl

6:30 am - 5:57 pmGTF Great Falls-PHL Philadelphia

9h 27m2 stops Denver Intl Chicago O'Hare Intl

$430United Airlines

Fri, Dec 4 - Sun, Dec 6

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Pennsylvania to Great Falls

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

United Airlines

Dec 4

PHL10:53 amPhiladelphia

12h 20m

2 stops

GTF9:13 pmGreat Falls

Dec 6

GTF6:30 amGreat Falls

9h 27m

2 stops

PHL5:57 pmPhiladelphia

$430

United Airlines

Dec 5

PIT4:50 pmPittsburgh

6h 23m

1 stop

GTF9:13 pmGreat Falls

Dec 8

GTF6:30 amGreat Falls

6h 07m

1 stop

PIT2:37 pmPittsburgh

$518

United Airlines

Dec 5

PHL7:41 amPhiladelphia

8h 08m

1 stop

GTF1:49 pmGreat Falls

Dec 8

GTF6:30 amGreat Falls

9h 27m

2 stops

PHL5:57 pmPhiladelphia

$524

Alaska Airlines flights from Pennsylvania to Great Falls

Our best Alaska Airlines deals on Pennsylvania to Great Falls flight tickets

Alaska Airlines

Dec 9

PHL7:00 amPhiladelphia

11h 11m

1 stop

GTF4:11 pmGreat Falls

Dec 12

GTF4:51 pmGreat Falls

10h 49m

1 stop

PHL5:40 amPhiladelphia

$388

Alaska Airlines

Dec 9

PHL7:00 amPhiladelphia

11h 11m

1 stop

GTF4:11 pmGreat Falls

Dec 12

GTF4:51 pmGreat Falls

10h 49m

1 stop

PHL5:40 amPhiladelphia

$398

Alaska Airlines

Dec 5

PHL7:00 amPhiladelphia

11h 11m

1 stop

GTF4:11 pmGreat Falls

Dec 8

GTF4:51 pmGreat Falls

10h 49m

1 stop

PHL5:40 amPhiladelphia

$433

momondo Fare Finder

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 Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Wed 12/9

7:00 am-4:11 pm

1 stop11h 11m

Great Falls

Sat 12/12

4:51 pm-5:40 am

1 stop10h 49m

$388

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Tue 2/23

7:00 am-12:37 pm

1 stop7h 37m

Great Falls

Mon 3/1

1:17 pm-11:57 pm

1 stop8h 40m

$398

Quickest round-trip

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Fri 12/4

3:35 pm-9:13 pm

1 stop7h 38m

Great Falls

Sun 12/6

2:47 pm-11:41 pm

1 stop6h 54m

$398

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Wed 12/9

7:00 am-4:11 pm

1 stop11h 11m

Great Falls

Sat 12/12

4:51 pm-5:40 am

1 stop10h 49m

$398

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Sun 2/21

7:00 am-12:37 pm

1 stop7h 37m

Great Falls

Sun 2/28

1:17 pm-11:57 pm

1 stop8h 40m

$398

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Tue 2/23

7:00 am-12:37 pm

1 stop7h 37m

Great Falls

Sun 2/28

1:17 pm-11:57 pm

1 stop8h 40m

$398

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Fri 12/4

10:53 am-9:13 pm

2 stops12h 20m

Great Falls

Sun 12/6

2:47 pm-11:41 pm

1 stop6h 54m

$404

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Sat 12/5

7:00 am-4:11 pm

1 stop11h 11m

Great Falls

Tue 12/8

4:51 pm-5:40 am

1 stop10h 49m

$428

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Tue 2/23

5:56 pm-4:13 pm

1 stop24h 17m

Great Falls

Fri 2/26

4:55 pm-4:56 pm

1 stop22h 01m

$428

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Fri 12/4

10:53 am-9:13 pm

2 stops12h 20m

Great Falls

Sun 12/6

6:30 am-5:57 pm

2 stops9h 27m

$430

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 Pennsylvania to Great Falls

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

Other information

What is the cheapest month to fly to Great Falls?

The month of May is another great option to travel to Great Falls, with average flight prices from Pennsylvania averaging around $413.

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

You could potentially save up to 10% on your flight if you consider stops on a Pennsylvania to Great Falls flight.

Cheap Pennsylvania to Great Falls flight deals and tips

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

Best Price Found	$289
Fastest flight time	6h 23m
Direct flights	None

The best one-way flight to Great Falls from Pennsylvania in the past 72 hours is $289. The best round-trip flight deal from Pennsylvania to Great Falls found on momondo in the last 72 hours is $388.

The fastest flight from Pennsylvania to Great Falls takes 6h 23m

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

Search flight deals

Frequently asked questions about flying from Pennsylvania to Great Falls

When did momondo last update prices for flights from Pennsylvania to Great Falls Airport?
Prices for flights from Pennsylvania to Great Falls Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Pennsylvania to Great Falls Airport?
As of November 2026, there are 2 operators available to choose from for flights from Pennsylvania to Great Falls Airport.
How old do you have to be to fly from Pennsylvania to Great Falls Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Pennsylvania to Great Falls

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $174	Free Cancellation	Rating 7.8 8,700 reviews		Search Delta flights
United Airlines	PriceFrom $375	Free Cancellation	Rating 7.3 10,476 reviews		Search United Airlines flights

Shelby

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Pennsylvania to Great Falls. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Pennsylvania to Great Falls on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Pennsylvania and Great Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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