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Cheap flights from Seattle to Great Falls from $143

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Great Falls departing on 9/28. 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

Find the cheapest flights from Seattle to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
2:01 pm - 4:38 pm
SEA
-
GTF
1h 37mnonstop
Alaska Airlines Logo
5:18 pm - 6:07 pm
GTF
-
SEA
1h 49mnonstop
$197Alaska Airlines
Sat, Aug 29 - Tue, Sep 1
Alaska Airlines Logo
2:01 pm - 4:38 pm
SEA
-
GTF
1h 37mnonstop
Alaska Airlines Logo
5:18 pm - 6:07 pm
GTF
-
SEA
1h 49mnonstop
$207Alaska Airlines
Fri, Aug 28 - Tue, Sep 1
Delta Logo
11:22 am - 5:41 pm
SEA
-
GTF
5h 19m
1 stop
Delta Logo
6:21 pm - 11:59 pm
GTF
-
SEA
6h 38m
1 stop
$216Delta
Wed, Sep 16 - Mon, Sep 21
Alaska Airlines Logo
2:01 pm - 4:38 pm
SEA
-
GTF
1h 37mnonstop
Alaska Airlines Logo
5:18 pm - 6:07 pm
GTF
-
SEA
1h 49mnonstop
$217Alaska Airlines
Fri, Aug 28 - Sun, Aug 30
Alaska Airlines Logo
2:01 pm - 4:38 pm
SEA
-
GTF
1h 37mnonstop
Alaska Airlines Logo
5:18 pm - 6:07 pm
GTF
-
SEA
1h 49mnonstop
$262Alaska Airlines
Fri, Aug 21 - Wed, Aug 26
Alaska Airlines Logo
2:01 pm - 4:38 pm
SEA
-
GTF
1h 37mnonstop
Alaska Airlines Logo
5:18 pm - 6:07 pm
GTF
-
SEA
1h 49mnonstop
$267Alaska Airlines
Sun, Aug 30 - Tue, Sep 1
Alaska Airlines Logo
2:01 pm - 4:38 pm
SEA
-
GTF
1h 37mnonstop
Alaska Airlines Logo
5:18 pm - 6:07 pm
GTF
-
SEA
1h 49mnonstop
$297Alaska Airlines
Sat, Aug 29 - Mon, Aug 31
Alaska Airlines Logo
2:01 pm - 4:38 pm
SEA
-
GTF
1h 37mnonstop
Alaska Airlines Logo
5:18 pm - 6:07 pm
GTF
-
SEA
1h 49mnonstop
$307Alaska Airlines
Fri, Aug 28 - Mon, Aug 31
Delta Logo
9:40 am - 5:38 pm
SEA
-
GTF
6h 58m
1 stop
Delta Logo
5:40 am - 8:57 am
GTF
-
SEA
4h 17m
1 stop
$312Delta
Tue, Aug 25 - Wed, Aug 26
Delta Logo
5:45 am - 12:28 pm
SEA
-
GTF
5h 43m
1 stop
Delta Logo
1:08 pm - 6:44 pm
GTF
-
SEA
6h 36m
1 stop
$316Delta
Fri, Aug 28 - Mon, Aug 31

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Alaska Airlines flights from Seattle to Great Falls

Our best Alaska Airlines deals on Seattle to Great Falls flight tickets
Alaska Airlines
Aug 29
SEA2:01 pmSeattle/Tacoma Intl
1h 37m
GTF4:38 pmGreat Falls
Sep 1
GTF5:18 pmGreat Falls
1h 49m
SEA6:07 pmSeattle/Tacoma Intl
$197
Alaska Airlines
Aug 28
SEA2:01 pmSeattle/Tacoma Intl
1h 37m
GTF4:38 pmGreat Falls
Sep 1
GTF5:18 pmGreat Falls
1h 49m
SEA6:07 pmSeattle/Tacoma Intl
$207
Alaska Airlines
Aug 28
SEA2:01 pmSeattle/Tacoma Intl
1h 37m
GTF4:38 pmGreat Falls
Aug 30
GTF5:18 pmGreat Falls
1h 49m
SEA6:07 pmSeattle/Tacoma Intl
$217

United Airlines flights from Seattle to Great Falls

Our best United Airlines deals on Seattle to Great Falls flight tickets
United Airlines
Sep 30
SEA6:05 pmSeattle/Tacoma Intl
26h 17m
1 stop
GTF9:22 pmGreat Falls
Oct 3
GTF6:15 amGreat Falls
16h 00m
1 stop
SEA9:15 pmSeattle/Tacoma Intl
$654
United Airlines
Sep 30
SEA6:05 pmSeattle/Tacoma Intl
26h 17m
1 stop
GTF9:22 pmGreat Falls
Oct 3
GTF6:15 amGreat Falls
18h 11m
2 stops
SEA11:26 pmSeattle/Tacoma Intl
$660
United Airlines
Sep 30
SEA3:18 pmSeattle/Tacoma Intl
29h 04m
2 stops
GTF9:22 pmGreat Falls
Oct 3
GTF6:15 amGreat Falls
15h 46m
2 stops
SEA9:01 pmSeattle/Tacoma Intl
$665

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 July 18, 2026.
Use the filters below to find and compare flights from Seattle 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 - GTF

SEAGTF

Seattle/Tacoma Intl

Sat 8/29

2:01 pm-4:38 pm

Nonstop1h 37m

Great Falls

Tue 9/1

5:18 pm-6:07 pm

Nonstop1h 49m

$197

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Fri 8/28

2:01 pm-4:38 pm

Nonstop1h 37m

Great Falls

Tue 9/1

5:18 pm-6:07 pm

Nonstop1h 49m

$207

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Wed 9/16

11:22 am-5:41 pm

1 stop5h 19m

Great Falls

Mon 9/21

6:21 pm-11:59 pm

1 stop6h 38m

$216

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Fri 8/28

2:01 pm-4:38 pm

Nonstop1h 37m

Great Falls

Sun 8/30

5:18 pm-6:07 pm

Nonstop1h 49m

$217

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Fri 8/21

2:01 pm-4:38 pm

Nonstop1h 37m

Great Falls

Wed 8/26

5:18 pm-6:07 pm

Nonstop1h 49m

$262

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Sun 8/30

2:01 pm-4:38 pm

Nonstop1h 37m

Great Falls

Tue 9/1

5:18 pm-6:07 pm

Nonstop1h 49m

$267

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Sat 8/29

2:01 pm-4:38 pm

Nonstop1h 37m

Great Falls

Mon 8/31

5:18 pm-6:07 pm

Nonstop1h 49m

$297

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Fri 8/28

2:01 pm-4:38 pm

Nonstop1h 37m

Great Falls

Mon 8/31

5:18 pm-6:07 pm

Nonstop1h 49m

$307

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Tue 8/25

9:40 am-5:38 pm

1 stop6h 58m

Great Falls

Wed 8/26

5:40 am-8:57 am

1 stop4h 17m

$312

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Fri 8/28

5:45 am-12:28 pm

1 stop5h 43m

Great Falls

Mon 8/31

1:08 pm-6:44 pm

1 stop6h 36m

$316

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 Seattle 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 typical price of a round-trip flight between Seattle and Great Falls?

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 Seattle averaging around $246.

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Monday when prices can be found for as low as $246. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $593.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is at noon. momondo users have found flights departing from Seattle to Great Falls at noon for as low as $328. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $498 on average. Flights to Great Falls from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Seattle/Tacoma Intl to Great Falls flight route?

Fly from Seattle/Tacoma Intl to Great Falls for the best Seattle/Tacoma Intl - Great Falls flight prices

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

There are 2 cabin classes available to choose from on Seattle 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 Seattle to Great Falls flights?

You could potentially save up to 49% on your flight if you consider stops on a Seattle to Great Falls flight.

When to book flights from Seattle to Great Falls

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

Cheap Seattle to Great Falls (SEA to GTF) flight deals and tips

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

Best Price Found

$272

Fastest flight time

1h 36m

Direct flights

Every day

Airports in Great Falls

1 airport
The best flight deal from Seattle to Great Falls found on momondo in the last 72 hours is $272
The fastest flight from Seattle to Great Falls takes 1h 36m
Direct flights go from Seattle to Great Falls every day.
There is 1 airport in Great Falls. From Seattle there are direct flights to Great Falls (GTF).
Search flight deals

Frequently asked questions about flying from Seattle to Great Falls

  • How far is Seattle/Tacoma Intl to Great Falls by plane?

    Great Falls is 514.0 mi away from Seattle/Tacoma Intl. By plane, this route typically takes 1h 36m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Great Falls Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Great Falls Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Great Falls Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Great Falls 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 Seattle/Tacoma Intl Airport to Great Falls Airport.

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

    The necessary travel and health documents for your Great Falls Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Seattle to Great Falls?

Best airlines flying from Seattle to Great Falls

Compare and see reviews for airlines that fly from Seattle to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $146Free CancellationRating
7.9
12,672 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Great Falls

    Across 7 Alaska Airlines flights from Seattle to Great Falls this week, the average price was $358, with the best Alaska Airlines deals starting from $146 round-trip. 12,672 users have rated Alaska Airlines on momondo, with an average score of 7.9/10.

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 Seattle to Great Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from Seattle.

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

momondo does allow users to show only those flights to Great Falls from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

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

If you are simply researching potential flights to Great Falls, momondo offers a useful price alert feature which will track prices for flights to Great Falls from Seattle and alert you when they change.

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