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

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

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 31m on average. Another popular route from Pennsylvania to Great Falls is flying from Philadelphia to Great Falls, which will take roughly 7h 26m. Keep in mind that layovers or delays could extend your travel time.

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 September 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.

$243 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 am - 12:39 pmPHL Philadelphia-GTF Great Falls

7h 29m1 stop Salt Lake City

6:19 pm - 5:55 amGTF Great Falls-PHL Philadelphia

9h 36m1 stop Salt Lake City

$368Delta

Thu, Dec 10 - Sun, Dec 13

7:15 am - 12:41 pmPHL Philadelphia-GTF Great Falls

7h 26m1 stop Salt Lake City

6:19 pm - 5:55 amGTF Great Falls-PHL Philadelphia

9h 36m1 stop Salt Lake City

$368Delta

Fri, Nov 13 - Sun, Nov 15

4:48 pm - 9:38 pmPIT Pittsburgh-GTF Great Falls

6h 50m1 stop Denver Intl

6:30 am - 2:36 pmGTF Great Falls-PIT Pittsburgh

6h 06m1 stop Denver Intl

$368United Airlines

Sat, Oct 31 - Tue, Nov 3

7:15 am - 12:41 pmPHL Philadelphia-GTF Great Falls

7h 26m1 stop Salt Lake City

6:19 pm - 5:55 amGTF Great Falls-PHL Philadelphia

9h 36m1 stop Salt Lake City

$368Delta

Fri, Nov 13 - Sun, Nov 15

7:10 am - 12:39 pmPHL Philadelphia-GTF Great Falls

7h 29m1 stop Salt Lake City

6:19 pm - 5:55 amGTF Great Falls-PHL Philadelphia

9h 36m1 stop Salt Lake City

$368Delta

Fri, Dec 4 - Mon, Dec 7

11:05 am - 9:22 pmPHL Philadelphia-GTF Great Falls

12h 17m2 stops Chicago O'Hare Intl Denver Intl

2:45 pm - 11:39 pmGTF Great Falls-PHL Philadelphia

6h 54m1 stop Denver Intl

$374United Airlines

Wed, Oct 21 - Wed, Oct 28

4:48 pm - 9:38 pmPIT Pittsburgh-GTF Great Falls

6h 50m1 stop Denver Intl

6:30 am - 10:09 pmGTF Great Falls-PIT Pittsburgh

13h 39m2 stops Denver Intl Newark

$374United Airlines

Sat, Oct 31 - Tue, Nov 3

6:11 pm - 4:18 pmPHL Philadelphia-GTF Great Falls

24h 07m1 stop Seattle/Tacoma Intl

4:58 pm - 5:40 amGTF Great Falls-PHL Philadelphia

10h 42m1 stop Seattle/Tacoma Intl

$428Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

6:11 pm - 4:11 pmPHL Philadelphia-GTF Great Falls

24h 00m1 stop Seattle/Tacoma Intl

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

10h 49m1 stop Seattle/Tacoma Intl

$478Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

7:01 am - 4:32 pmPHL Philadelphia-GTF Great Falls

11h 31m1 stop Seattle/Tacoma Intl

5:12 pm - 5:41 amGTF Great Falls-PHL Philadelphia

10h 29m1 stop Seattle/Tacoma Intl

$693Alaska Airlines

Fri, Dec 18 - Mon, Jan 4

Cheap last minute flights

Enter your travel dates to find the best prices.

6:59 pm - 4:39 pmPHL Philadelphia-GTF Great Falls

23h 40m1 stop Seattle/Tacoma Intl

5:15 pm - 5:41 amGTF Great Falls-PHL Philadelphia

10h 26m1 stop Seattle/Tacoma Intl

$483Alaska Airlines

Tue, Sep 29 - Mon, Oct 5

5:30 pm - 10:37 pmPIT Pittsburgh-GTF Great Falls

7h 07m1 stop Salt Lake City

1:18 pm - 12:46 amGTF Great Falls-PIT Pittsburgh

9h 28m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$534Delta

Wed, Sep 30 - Tue, Oct 6

7:00 am - 1:41 pmPIT Pittsburgh-GTF Great Falls

8h 41m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 9:36 pmGTF Great Falls-PIT Pittsburgh

13h 21m2 stops Denver Intl Newark

$539United Airlines

Wed, Sep 30 - Tue, Oct 6

10:56 am - 9:22 pmPIT Pittsburgh-GTF Great Falls

12h 26m2 stops Chicago O'Hare Intl Denver Intl

2:37 pm - 10:44 pmGTF Great Falls-PIT Pittsburgh

6h 07m1 stop Denver Intl

$569United Airlines

Sat, Sep 26 - Wed, Sep 30

10:35 am - 10:37 pmPHL Philadelphia-GTF Great Falls

14h 02m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:21 pm - 6:05 amGTF Great Falls-PHL Philadelphia

9h 44m1 stop Salt Lake City

$569Delta

Tue, Sep 29 - Mon, Oct 5

12:07 pm - 10:37 pmPHL Philadelphia-GTF Great Falls

12h 30m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:21 pm - 9:29 amGTF Great Falls-PHL Philadelphia

13h 08m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$574Delta

Tue, Sep 29 - Mon, Oct 5

8:32 am - 1:41 pmPIT Pittsburgh-GTF Great Falls

7h 09m1 stop Denver Intl

2:37 pm - 10:44 pmGTF Great Falls-PIT Pittsburgh

6h 07m1 stop Denver Intl

$599United Airlines

Wed, Sep 30 - Tue, Oct 6

6:28 pm - 4:39 pmPIT Pittsburgh-GTF Great Falls

24h 11m1 stop Seattle/Tacoma Intl

5:19 pm - 5:25 amGTF Great Falls-PIT Pittsburgh

10h 06m1 stop Seattle/Tacoma Intl

$768Alaska Airlines

Sun, Sep 27 - Tue, Sep 29

7:02 am - 4:39 pmPIT Pittsburgh-GTF Great Falls

11h 37m1 stop Seattle/Tacoma Intl

5:19 pm - 5:25 amGTF Great Falls-PIT Pittsburgh

10h 06m1 stop Seattle/Tacoma Intl

$859Alaska Airlines

Sat, Sep 26 - Wed, Sep 30

7:02 am - 4:39 pmPIT Pittsburgh-GTF Great Falls

11h 37m1 stop Seattle/Tacoma Intl

5:19 pm - 5:25 amGTF Great Falls-PIT Pittsburgh

10h 06m1 stop Seattle/Tacoma Intl

$928Alaska Airlines

Sun, Sep 27 - Mon, Sep 28

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

Alaska Airlines flights from Pennsylvania to Great Falls

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

Alaska Airlines

Dec 9

PHL6:11 pmPhiladelphia

24h 07m

1 stop

GTF4:18 pmGreat Falls

Dec 12

GTF4:58 pmGreat Falls

10h 42m

1 stop

PHL5:40 amPhiladelphia

$428

Alaska Airlines

Dec 9

PHL6:11 pmPhiladelphia

24h 00m

1 stop

GTF4:11 pmGreat Falls

Dec 12

GTF4:51 pmGreat Falls

10h 49m

1 stop

PHL5:40 amPhiladelphia

$478

Alaska Airlines

Sep 29

PHL6:59 pmPhiladelphia

23h 40m

1 stop

GTF4:39 pmGreat Falls

Oct 5

GTF5:15 pmGreat Falls

10h 26m

1 stop

PHL5:41 amPhiladelphia

$483

Delta flights from Pennsylvania to Great Falls

Our best Delta deals on Pennsylvania to Great Falls flight tickets

Delta

Nov 13

PHL7:15 amPhiladelphia

7h 26m

1 stop

GTF12:41 pmGreat Falls

Nov 15

GTF6:19 pmGreat Falls

9h 36m

1 stop

PHL5:55 amPhiladelphia

$368

Delta

Dec 9

PHL7:10 amPhiladelphia

7h 29m

1 stop

GTF12:39 pmGreat Falls

Dec 12

GTF6:19 pmGreat Falls

14h 40m

2 stops

PHL10:59 amPhiladelphia

$374

Delta

Dec 9

PHL10:35 amPhiladelphia

14h 00m

2 stops

GTF10:35 pmGreat Falls

Dec 12

GTF6:19 pmGreat Falls

14h 40m

2 stops

PHL10:59 amPhiladelphia

$379

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

Thu 12/10

7:10 am-12:39 pm

1 stop7h 29m

Great Falls

Sun 12/13

6:19 pm-5:55 am

1 stop9h 36m

$368

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Fri 11/13

7:15 am-12:41 pm

1 stop7h 26m

Great Falls

Sun 11/15

6:19 pm-5:55 am

1 stop9h 36m

$368

Quickest round-trip

PittsburghGreat Falls

PIT Pittsburgh - GTF Great Falls

PITGTF

Pittsburgh

Sat 10/31

4:48 pm-9:38 pm

1 stop6h 50m

Great Falls

Tue 11/3

6:30 am-2:36 pm

1 stop6h 06m

$368

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Fri 11/13

7:15 am-12:41 pm

1 stop7h 26m

Great Falls

Sun 11/15

6:19 pm-5:55 am

1 stop9h 36m

$368

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Fri 12/4

7:10 am-12:39 pm

1 stop7h 29m

Great Falls

Mon 12/7

6:19 pm-5:55 am

1 stop9h 36m

$368

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Wed 10/21

11:05 am-9:22 pm

2 stops12h 17m

Great Falls

Wed 10/28

2:45 pm-11:39 pm

1 stop6h 54m

$374

PittsburghGreat Falls

PIT Pittsburgh - GTF Great Falls

PITGTF

Pittsburgh

Sat 10/31

4:48 pm-9:38 pm

1 stop6h 50m

Great Falls

Tue 11/3

6:30 am-10:09 pm

2 stops13h 39m

$374

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Wed 12/9

6:11 pm-4:18 pm

1 stop24h 07m

Great Falls

Sat 12/12

4:58 pm-5:40 am

1 stop10h 42m

$428

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Wed 12/9

6:11 pm-4:11 pm

1 stop24h 00m

Great Falls

Sat 12/12

4:51 pm-5:40 am

1 stop10h 49m

$478

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Fri 12/18

7:01 am-4:32 pm

1 stop11h 31m

Great Falls

Mon 1/4

5:12 pm-5:41 am

1 stop10h 29m

$693

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	$243
Fastest flight time	6h 31m
Direct flights	None

The best one-way flight to Great Falls from Pennsylvania in the past 72 hours is $243. The best round-trip flight deal from Pennsylvania to Great Falls found on momondo in the last 72 hours is $368.

The fastest flight from Pennsylvania to Great Falls takes 6h 31m

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 September 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 8,597 reviews		Search Delta flights
United Airlines	PriceFrom $375	Free Cancellation	Rating 7.4 10,233 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.