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Cheap flights from the United States to Great Falls from $135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Great Falls departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Great Falls

Recent round-trip flight deals from the United States to Great Falls

Enter your travel dates to find the best prices.
Alaska Airlines Logo
1:40 pm - 4:13 pmSEA  Seattle/Tacoma Intl-GTF Great Falls
1h 33mnonstop
Alaska Airlines Logo
4:55 pm - 5:46 pmGTF  Great Falls-SEA Seattle/Tacoma Intl
1h 51mnonstop
$207Alaska Airlines
Wed, Dec 2 - Wed, Dec 9
Delta Logo
11:22 am - 5:41 pmSEA  Seattle/Tacoma Intl-GTF Great Falls
5h 19m1 stop Salt Lake City
Delta Logo
5:40 am - 8:59 amGTF  Great Falls-SEA Seattle/Tacoma Intl
4h 19m1 stop Salt Lake City
$216Delta
Wed, Sep 16 - Wed, Sep 23
Delta Logo
5:25 am - 12:38 pmSEA  Seattle/Tacoma Intl-GTF Great Falls
6h 13m1 stop Salt Lake City
Delta Logo
1:18 pm - 7:02 pmGTF  Great Falls-SEA Seattle/Tacoma Intl
6h 44m1 stop Salt Lake City
$216Delta
Sat, Oct 31 - Wed, Nov 4
Delta Logo
5:35 am - 12:31 pmSEA  Seattle/Tacoma Intl-GTF Great Falls
5h 56m1 stop Salt Lake City
Delta Logo
1:13 pm - 6:43 pmGTF  Great Falls-SEA Seattle/Tacoma Intl
6h 30m1 stop Salt Lake City
$236Delta
Fri, Nov 13 - Mon, Nov 16
Multiple Airlines Logo
12:45 pm - 9:01 amLAX  Los Angeles Los Angeles-GTF Great Falls
19h 16m1 stop Phoenix Sky Harbor Intl
Multiple Airlines Logo
9:51 am - 5:45 pmGTF  Great Falls-LAX Los Angeles Los Angeles
8h 54m1 stop Phoenix-Mesa Gateway
$252Multiple Airlines
Wed, Sep 30 - Sun, Oct 4
Multiple Airlines Logo
12:45 pm - 9:01 amLAX  Los Angeles Los Angeles-GTF Great Falls
19h 16m1 stop Phoenix Sky Harbor Intl
Multiple Airlines Logo
9:51 am - 2:39 pmGTF  Great Falls-LAX Los Angeles Los Angeles
29h 48m2 stops Phoenix-Mesa Gateway Denver Intl
$263Multiple Airlines
Wed, Sep 30 - Sun, Oct 4
United Airlines Logo
7:15 pm - 9:12 pmDEN  Denver Intl-GTF Great Falls
1h 57mnonstop
United Airlines Logo
6:15 am - 8:16 amGTF  Great Falls-DEN Denver Intl
2h 01mnonstop
$269United Airlines
Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
7:15 pm - 9:12 pmDEN  Denver Intl-GTF Great Falls
1h 57mnonstop
United Airlines Logo
6:15 am - 8:16 amGTF  Great Falls-DEN Denver Intl
2h 01mnonstop
$269United Airlines
Thu, Sep 10 - Wed, Sep 16
Alaska Airlines Logo
1:39 pm - 4:19 pmSEA  Seattle/Tacoma Intl-GTF Great Falls
1h 40mnonstop
Alaska Airlines Logo
4:59 pm - 5:55 pmGTF  Great Falls-SEA Seattle/Tacoma Intl
1h 56mnonstop
$277Alaska Airlines
Sun, Nov 1 - Wed, Nov 4
Alaska Airlines Logo
2:02 pm - 4:39 pmSEA  Seattle/Tacoma Intl-GTF Great Falls
1h 37mnonstop
Alaska Airlines Logo
5:19 pm - 6:08 pmGTF  Great Falls-SEA Seattle/Tacoma Intl
1h 49mnonstop
$282Alaska Airlines
Sat, Sep 26 - Tue, Sep 29

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Alaska Airlines flights from United States to Great Falls

Our best Alaska Airlines deals on United States to Great Falls flight tickets
Alaska Airlines
Dec 2
SEA1:40 pmSeattle/Tacoma Intl
1h 33m
GTF4:13 pmGreat Falls
Dec 9
GTF4:55 pmGreat Falls
1h 51m
SEA5:46 pmSeattle/Tacoma Intl
$207
Alaska Airlines
Nov 1
SEA1:39 pmSeattle/Tacoma Intl
1h 40m
GTF4:19 pmGreat Falls
Nov 4
GTF4:59 pmGreat Falls
1h 56m
SEA5:55 pmSeattle/Tacoma Intl
$277
Alaska Airlines
Sep 26
SEA2:02 pmSeattle/Tacoma Intl
1h 37m
GTF4:39 pmGreat Falls
Sep 29
GTF5:19 pmGreat Falls
1h 49m
SEA6:08 pmSeattle/Tacoma Intl
$282

Delta flights from United States to Great Falls

Our best Delta deals on United States to Great Falls flight tickets
Delta
Sep 16
SEA11:22 amSeattle/Tacoma Intl
5h 19m
1 stop
GTF5:41 pmGreat Falls
Sep 23
GTF5:40 amGreat Falls
4h 19m
1 stop
SEA8:59 amSeattle/Tacoma Intl
$216
Delta
Nov 13
SEA5:35 amSeattle/Tacoma Intl
5h 56m
1 stop
GTF12:31 pmGreat Falls
Nov 16
GTF1:13 pmGreat Falls
6h 30m
1 stop
SEA6:43 pmSeattle/Tacoma Intl
$236
Delta
Nov 1
SEA5:25 amSeattle/Tacoma Intl
6h 13m
1 stop
GTF12:38 pmGreat Falls
Nov 4
GTF6:27 pmGreat Falls
4h 38m
1 stop
SEA10:05 pmSeattle/Tacoma Intl
$286

momondo Fare Finder

 
Customize your flight search to find flights from United States 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, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from the United States to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Wed 12/2

1:40 pm-4:13 pm

Nonstop1h 33m

Great Falls

Wed 12/9

4:55 pm-5:46 pm

Nonstop1h 51m

$207

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Wed 9/16

11:22 am-5:41 pm

1 stop5h 19m

Great Falls

Wed 9/23

5:40 am-8:59 am

1 stop4h 19m

$216

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Sat 10/31

5:25 am-12:38 pm

1 stop6h 13m

Great Falls

Wed 11/4

1:18 pm-7:02 pm

1 stop6h 44m

$216

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Fri 11/13

5:35 am-12:31 pm

1 stop5h 56m

Great Falls

Mon 11/16

1:13 pm-6:43 pm

1 stop6h 30m

$236

Los AngelesGreat Falls

LAX Los Angeles Los Angeles - GTF Great Falls

LAXGTF

Los Angeles Los Angeles

Wed 9/30

12:45 pm-9:01 am

1 stop19h 16m

Great Falls

Sun 10/4

9:51 am-5:45 pm

1 stop8h 54m

$252

Los AngelesGreat Falls

LAX Los Angeles Los Angeles - GTF Great Falls

LAXGTF

Los Angeles Los Angeles

Wed 9/30

12:45 pm-9:01 am

1 stop19h 16m

Great Falls

Sun 10/4

9:51 am-2:39 pm

2 stops29h 48m

$263

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Sat 9/5

7:15 pm-9:12 pm

Nonstop1h 57m

Great Falls

Sat 9/12

6:15 am-8:16 am

Nonstop2h 01m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 9/10

7:15 pm-9:12 pm

Nonstop1h 57m

Great Falls

Wed 9/16

6:15 am-8:16 am

Nonstop2h 01m

$269

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Sun 11/1

1:39 pm-4:19 pm

Nonstop1h 40m

Great Falls

Wed 11/4

4:59 pm-5:55 pm

Nonstop1h 56m

$277

SeattleGreat Falls

SEA Seattle/Tacoma Intl - GTF Great Falls

SEAGTF

Seattle/Tacoma Intl

Sat 9/26

2:02 pm-4:39 pm

Nonstop1h 37m

Great Falls

Tue 9/29

5:19 pm-6:08 pm

Nonstop1h 49m

$282

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Great Falls from

How to get the cheapest flight ticket from United States 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

What is the cheapest month to fly to Great Falls?

The month of April is another great option to travel to Great Falls, with average flight prices from United States averaging around $378.

What is the cheapest United States to Great Falls flight route?

Fly from Las Vegas Harry Reid Intl to Great Falls for the best United States - Great Falls flight prices

What cabin class options are available on United States to Great Falls flights?

There is only 1 cabin class available to choose from on United States to Great Falls flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Great Falls flights?

You could potentially save up to 2% on your flight if you consider stops on a United States to Great Falls flight.

Cheap United States to Great Falls flight deals and tips

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

Best Price Found

$253

Fastest flight time

1h 33m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Great Falls

1 airport
The best one-way flight to Great Falls from United States in the past 72 hours is $253. The best round-trip flight deal from United States to Great Falls found on momondo in the last 72 hours is $90.
The fastest flight from United States to Great Falls takes 1h 33m
Direct flights go from United States to Great Falls on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Delta.
There is 1 airport in Great Falls. From United States there are direct flights to Great Falls (GTF).
Search flight deals

Frequently asked questions about flying from the United States to Great Falls

  • When did momondo last update prices for flights from United States to Great Falls Airport?

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

  • How many operators does momondo search for flights from United States to Great Falls Airport?

  • How old do you have to be to fly from United States to Great Falls Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States 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.

  • What is the most popular plane model from United States to Great Falls?

Best airlines flying from United States to Great Falls

Compare and see reviews for airlines that fly from United States to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $82Free CancellationRating
7.3
679 reviews
Search Allegiant Air flights
DeltaPriceFrom $194Free CancellationRating
7.8
8,505 reviews
Search Delta flights
Alaska AirlinesPriceFrom $259Free CancellationRating
7.9
12,797 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $358Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights

Traveling to a place near Great Falls?

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

Why use momondo?

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

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 United States to Great Falls for you.

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

Yes. momondo allows you to filter the results for United States to Great Falls flights to just show those with flexible booking policies.

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

Once you have performed a search for United States to Great Falls 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 United States to Great Falls right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of United States to Great Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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