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

Delta, United Airlines, and Alaska 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 15m on average. Another popular route from Pennsylvania to Great Falls is flying from Philadelphia to Great Falls, which will take roughly 7h 08m. 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 August 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.

$181 Cheap Flights from Pennsylvania to Great Falls in 2026

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.

7:45 am - 1:49 pmPHL Philadelphia-GTF Great Falls

8h 04m1 stop Denver Intl

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

6h 54m1 stop Denver Intl

$348United Airlines

Fri, Oct 30 - Sun, Nov 1

7:45 am - 1:49 pmPHL Philadelphia-GTF Great Falls

8h 04m1 stop Denver Intl

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

6h 54m1 stop Denver Intl

$348United Airlines

Fri, Oct 30 - Sun, Nov 1

6:13 am - 12:38 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

8h 25m1 stop Salt Lake City

1:13 pm - 11:37 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

8h 24m1 stop Salt Lake City

$348Delta

Sun, Nov 1 - Sat, Nov 14

2:25 pm - 9:20 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

8h 55m1 stop Denver Intl

2:25 pm - 11:13 pmGTF Great Falls-IAD Washington, D.C. Dulles Intl

6h 48m1 stop Denver Intl

$348United Airlines

Sat, Feb 6 - Sat, Feb 13

7:45 am - 5:47 pmDCA Washington, D.C. Reagan-National-GTF Great Falls

12h 02m2 stops Minneapolis St Paul Salt Lake City

5:40 am - 4:49 pmGTF Great Falls-DCA Washington, D.C. Reagan-National

9h 09m1 stop Salt Lake City

$354Delta

Fri, Oct 16 - Sun, Oct 18

10:54 am - 9:38 pmPHL Philadelphia-GTF Great Falls

12h 44m2 stops Chicago O'Hare Intl Denver Intl

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

6h 54m1 stop Denver Intl

$354United Airlines

Fri, Oct 30 - Sun, Nov 1

7:00 am - 12:35 pmIAD Washington, D.C. Dulles Intl-GTF Great Falls

7h 35m1 stop Salt Lake City

6:21 pm - 11:45 amGTF Great Falls-IAD Washington, D.C. Dulles Intl

15h 24m2 stops Salt Lake City New York John F Kennedy Intl

$354Delta

Wed, Sep 30 - Sat, Oct 3

7:17 am - 4:19 pmEWR Newark-GTF Great Falls

11h 02m1 stop Seattle/Tacoma Intl

4:59 pm - 6:04 amGTF Great Falls-EWR Newark

11h 05m1 stop Seattle/Tacoma Intl

$368Alaska Airlines

Fri, Nov 13 - Tue, Nov 17

7:17 am - 4:17 pmEWR Newark-GTF Great Falls

11h 00m1 stop Seattle/Tacoma Intl

4:57 pm - 6:04 amGTF Great Falls-EWR Newark

11h 07m1 stop Seattle/Tacoma Intl

$368Alaska Airlines

Fri, Nov 13 - Tue, Nov 17

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

23h 40m1 stop Seattle/Tacoma Intl

5:19 pm - 5:40 amGTF Great Falls-PHL Philadelphia

10h 21m1 stop Seattle/Tacoma Intl

$378Alaska Airlines

Thu, Sep 24 - Mon, Sep 28

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 am - 12:28 pmEWR Newark-GTF Great Falls

7h 13m1 stop Salt Lake City

6:18 pm - 6:00 amGTF Great Falls-EWR Newark

9h 42m1 stop Salt Lake City

$566Delta

Fri, Aug 14 - Mon, Aug 24

7:15 am - 12:28 pmEWR Newark-GTF Great Falls

7h 13m1 stop Salt Lake City

6:18 pm - 6:00 amGTF Great Falls-EWR Newark

9h 42m1 stop Salt Lake City

$566Delta

Fri, Aug 14 - Tue, Aug 18

7:15 am - 12:28 pmEWR Newark-GTF Great Falls

7h 13m1 stop Salt Lake City

6:18 pm - 6:00 amGTF Great Falls-EWR Newark

9h 42m1 stop Salt Lake City

$566Delta

Fri, Aug 14 - Wed, Aug 19

7:15 am - 12:28 pmEWR Newark-GTF Great Falls

7h 13m1 stop Salt Lake City

6:18 pm - 6:00 amGTF Great Falls-EWR Newark

9h 42m1 stop Salt Lake City

$566Delta

Fri, Aug 14 - Thu, Aug 20

7:20 am - 12:28 pmPHL Philadelphia-GTF Great Falls

7h 08m1 stop Salt Lake City

6:18 pm - 6:05 amGTF Great Falls-PHL Philadelphia

9h 47m1 stop Salt Lake City

$653Delta

Fri, Aug 14 - Mon, Aug 17

1:22 pm - 9:12 pmEWR Newark-GTF Great Falls

9h 50m1 stop Denver Intl

2:25 pm - 11:58 pmGTF Great Falls-EWR Newark

7h 33m1 stop Denver Intl

$684United Airlines

Wed, Aug 12 - Wed, Aug 19

1:22 pm - 9:12 pmEWR Newark-GTF Great Falls

9h 50m1 stop Denver Intl

6:15 am - 5:37 pmGTF Great Falls-EWR Newark

9h 22m1 stop Denver Intl

$684United Airlines

Wed, Aug 12 - Thu, Aug 20

1:22 pm - 9:12 pmEWR Newark-GTF Great Falls

9h 50m1 stop Denver Intl

6:15 am - 5:37 pmGTF Great Falls-EWR Newark

9h 22m1 stop Denver Intl

$684United Airlines

Wed, Aug 12 - Fri, Aug 21

10:15 am - 9:12 pmLGA New York LaGuardia-GTF Great Falls

12h 57m2 stops Chicago O'Hare Intl Denver Intl

2:25 pm - 11:24 pmGTF Great Falls-LGA New York LaGuardia

6h 59m1 stop Denver Intl

$689United Airlines

Fri, Aug 14 - Fri, Aug 21

8:23 pm - 4:29 pmJFK New York John F Kennedy Intl-GTF Great Falls

22h 06m1 stop Seattle/Tacoma Intl

5:09 pm - 7:38 amGTF Great Falls-JFK New York John F Kennedy Intl

12h 29m1 stop Seattle/Tacoma Intl

$802Alaska Airlines

Fri, Aug 14 - Mon, Aug 17

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Delta flights from Pennsylvania to Great Falls

Our best Delta deals on Pennsylvania to Great Falls flight tickets

Delta

Nov 1

IAD6:13 amWashington, D.C. Dulles Intl

8h 25m

1 stop

GTF12:38 pmGreat Falls

Nov 14

GTF1:13 pmGreat Falls

8h 24m

1 stop

IAD11:37 pmWashington, D.C. Dulles Intl

$348

Delta

Oct 16

DCA7:45 amWashington, D.C. Reagan-National

12h 02m

2 stops

GTF5:47 pmGreat Falls

Oct 18

GTF5:40 amGreat Falls

9h 09m

1 stop

DCA4:49 pmWashington, D.C. Reagan-National

$354

Delta

Oct 16

DCA7:45 amWashington, D.C. Reagan-National

12h 02m

2 stops

GTF5:47 pmGreat Falls

Oct 18

GTF6:27 pmGreat Falls

12h 43m

2 stops

DCA9:10 amWashington, D.C. Reagan-National

$359

United Airlines flights from Pennsylvania to Great Falls

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

United Airlines

Oct 30

PHL7:45 amPhiladelphia

8h 04m

1 stop

GTF1:49 pmGreat Falls

Nov 1

GTF2:45 pmGreat Falls

6h 54m

1 stop

PHL11:39 pmPhiladelphia

$348

United Airlines

Oct 30

PHL10:54 amPhiladelphia

12h 44m

2 stops

GTF9:38 pmGreat Falls

Nov 1

GTF2:45 pmGreat Falls

6h 54m

1 stop

PHL11:39 pmPhiladelphia

$354

United Airlines

Oct 3

PIT4:51 pmPittsburgh

6h 31m

1 stop

GTF9:22 pmGreat Falls

Oct 10

GTF2:37 pmGreat Falls

6h 07m

1 stop

PIT10:44 pmPittsburgh

$402

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Fri 10/30

7:45 am-1:49 pm

1 stop8h 04m

Great Falls

Sun 11/1

2:45 pm-11:39 pm

1 stop6h 54m

$348

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Fri 10/30

7:45 am-1:49 pm

1 stop8h 04m

Great Falls

Sun 11/1

2:45 pm-11:39 pm

1 stop6h 54m

$348

Washington, D.C.Great Falls

IAD Washington, D.C. Dulles Intl - GTF Great Falls

IADGTF

Washington, D.C. Dulles Intl

Sun 11/1

6:13 am-12:38 pm

1 stop8h 25m

Great Falls

Sat 11/14

1:13 pm-11:37 pm

1 stop8h 24m

$348

Washington, D.C.Great Falls

IAD Washington, D.C. Dulles Intl - GTF Great Falls

IADGTF

Washington, D.C. Dulles Intl

Sat 2/6

2:25 pm-9:20 pm

1 stop8h 55m

Great Falls

Sat 2/13

2:25 pm-11:13 pm

1 stop6h 48m

$348

Washington, D.C.Great Falls

DCA Washington, D.C. Reagan-National - GTF Great Falls

DCAGTF

Washington, D.C. Reagan-National

Fri 10/16

7:45 am-5:47 pm

2 stops12h 02m

Great Falls

Sun 10/18

5:40 am-4:49 pm

1 stop9h 09m

$354

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Fri 10/30

10:54 am-9:38 pm

2 stops12h 44m

Great Falls

Sun 11/1

2:45 pm-11:39 pm

1 stop6h 54m

$354

Washington, D.C.Great Falls

IAD Washington, D.C. Dulles Intl - GTF Great Falls

IADGTF

Washington, D.C. Dulles Intl

Wed 9/30

7:00 am-12:35 pm

1 stop7h 35m

Great Falls

Sat 10/3

6:21 pm-11:45 am

2 stops15h 24m

$354

NewarkGreat Falls

EWR Newark - GTF Great Falls

EWRGTF

Newark

Fri 11/13

7:17 am-4:19 pm

1 stop11h 02m

Great Falls

Tue 11/17

4:59 pm-6:04 am

1 stop11h 05m

$368

NewarkGreat Falls

EWR Newark - GTF Great Falls

EWRGTF

Newark

Fri 11/13

7:17 am-4:17 pm

1 stop11h 00m

Great Falls

Tue 11/17

4:57 pm-6:04 am

1 stop11h 07m

$368

PhiladelphiaGreat Falls

PHL Philadelphia - GTF Great Falls

PHLGTF

Philadelphia

Thu 9/24

6:59 pm-4:39 pm

1 stop23h 40m

Great Falls

Mon 9/28

5:19 pm-5:40 am

1 stop10h 21m

$378

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 7% 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

Fastest flight time	6h 15m
Direct flights	None

The fastest flight from Pennsylvania to Great Falls takes 6h 15m

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 August 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 8,497 reviews		Search Delta flights
United Airlines	PriceFrom $375	Free Cancellation	Rating 7.4 10,099 reviews		Search United Airlines flights

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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.