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Cheap flights from Seattle to Great Falls from $129

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 8/29. 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
5:25 pm - 6:14 pm
GTF
-
SEA
1h 49mnonstop
$207Alaska Airlines
Wed, Sep 2 - Sun, Sep 6
Alaska Airlines Logo
2:02 pm - 4:39 pm
SEA
-
GTF
1h 37mnonstop
Alaska Airlines Logo
5:19 pm - 6:08 pm
GTF
-
SEA
1h 49mnonstop
$217Alaska Airlines
Thu, Sep 17 - Mon, Sep 21
Delta Logo
5:45 am - 12:28 pm
SEA
-
GTF
5h 43m
1 stop
Delta Logo
1:08 pm - 4:54 pm
GTF
-
SEA
4h 46m
1 stop
$221Delta
Wed, Sep 2 - Sun, Sep 6
Delta Logo
5:45 am - 12:35 pm
SEA
-
GTF
5h 50m
1 stop
Delta Logo
6:21 pm - 10:05 pm
GTF
-
SEA
4h 44m
1 stop
$236Delta
Thu, Sep 17 - Mon, Sep 21
Alaska Airlines Logo
1:59 pm - 4:35 pm
SEA
-
GTF
1h 36mnonstop
Alaska Airlines Logo
5:15 pm - 6:08 pm
GTF
-
SEA
1h 53mnonstop
$262Alaska Airlines
Sat, Oct 10 - Tue, Oct 13
Alaska Airlines Logo
1:53 pm - 4:29 pm
SEA
-
GTF
1h 36mnonstop
Alaska Airlines Logo
5:18 pm - 6:07 pm
GTF
-
SEA
1h 49mnonstop
$272Alaska Airlines
Thu, Aug 13 - Thu, Aug 20
Delta Logo
5:45 am - 12:28 pm
SEA
-
GTF
5h 43m
1 stop
Delta Logo
1:08 pm - 4:54 pm
GTF
-
SEA
4h 46m
1 stop
$276Delta
Tue, Sep 1 - Wed, Sep 2
Delta Logo
5:35 am - 12:33 pm
SEA
-
GTF
5h 58m
1 stop
Delta Logo
6:18 pm - 11:59 pm
GTF
-
SEA
6h 41m
1 stop
$286Delta
Tue, Oct 6 - Fri, Oct 9
Delta Logo
5:45 am - 12:28 pm
SEA
-
GTF
5h 43m
1 stop
Delta Logo
6:18 pm - 11:59 pm
GTF
-
SEA
6h 41m
1 stop
$292Delta
Thu, Aug 13 - Thu, Aug 20
Delta Logo
9:40 am - 5:38 pm
SEA
-
GTF
6h 58m
1 stop
Delta Logo
6:18 pm - 11:59 pm
GTF
-
SEA
6h 41m
1 stop
$302Delta
Thu, Aug 20 - Sun, Aug 23

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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
Sep 2
SEA2:01 pmSeattle/Tacoma Intl
1h 37m
GTF4:38 pmGreat Falls
Sep 6
GTF5:25 pmGreat Falls
1h 49m
SEA6:14 pmSeattle/Tacoma Intl
$207
Alaska Airlines
Sep 17
SEA2:02 pmSeattle/Tacoma Intl
1h 37m
GTF4:39 pmGreat Falls
Sep 21
GTF5:19 pmGreat Falls
1h 49m
SEA6:08 pmSeattle/Tacoma Intl
$217
Alaska Airlines
Oct 10
SEA1:59 pmSeattle/Tacoma Intl
1h 36m
GTF4:35 pmGreat Falls
Oct 13
GTF5:15 pmGreat Falls
1h 53m
SEA6:08 pmSeattle/Tacoma Intl
$262

Delta flights from Seattle to Great Falls

Our best Delta deals on Seattle to Great Falls flight tickets
Delta
Sep 2
SEA5:45 amSeattle/Tacoma Intl
5h 43m
1 stop
GTF12:28 pmGreat Falls
Sep 6
GTF1:08 pmGreat Falls
4h 46m
1 stop
SEA4:54 pmSeattle/Tacoma Intl
$221
Delta
Sep 17
SEA5:45 amSeattle/Tacoma Intl
5h 50m
1 stop
GTF12:35 pmGreat Falls
Sep 21
GTF6:21 pmGreat Falls
4h 44m
1 stop
SEA10:05 pmSeattle/Tacoma Intl
$236
Delta
Sep 1
SEA5:45 amSeattle/Tacoma Intl
5h 43m
1 stop
GTF12:28 pmGreat Falls
Sep 2
GTF1:08 pmGreat Falls
4h 46m
1 stop
SEA4:54 pmSeattle/Tacoma Intl
$276

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 4, 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

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Wed 9/2

2:01 pm-4:38 pm

Nonstop1h 37m

Great Falls

Sun 9/6

5:25 pm-6:14 pm

Nonstop1h 49m

$207

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Thu 9/17

2:02 pm-4:39 pm

Nonstop1h 37m

Great Falls

Mon 9/21

5:19 pm-6:08 pm

Nonstop1h 49m

$217

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Wed 9/2

5:45 am-12:28 pm

1 stop5h 43m

Great Falls

Sun 9/6

1:08 pm-4:54 pm

1 stop4h 46m

$221

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Thu 9/17

5:45 am-12:35 pm

1 stop5h 50m

Great Falls

Mon 9/21

6:21 pm-10:05 pm

1 stop4h 44m

$236

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Sat 10/10

1:59 pm-4:35 pm

Nonstop1h 36m

Great Falls

Tue 10/13

5:15 pm-6:08 pm

Nonstop1h 53m

$262
Quickest round-trip

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Thu 8/13

1:53 pm-4:29 pm

Nonstop1h 36m

Great Falls

Thu 8/20

5:18 pm-6:07 pm

Nonstop1h 49m

$272

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Tue 9/1

5:45 am-12:28 pm

1 stop5h 43m

Great Falls

Wed 9/2

1:08 pm-4:54 pm

1 stop4h 46m

$276

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Tue 10/6

5:35 am-12:33 pm

1 stop5h 58m

Great Falls

Fri 10/9

6:18 pm-11:59 pm

1 stop6h 41m

$286

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Thu 8/13

5:45 am-12:28 pm

1 stop5h 43m

Great Falls

Thu 8/20

6:18 pm-11:59 pm

1 stop6h 41m

$292

SeattleGreat Falls

SEA - GTF

SEAGTF

Seattle/Tacoma Intl

Thu 8/20

9:40 am-5:38 pm

1 stop6h 58m

Great Falls

Sun 8/23

6:18 pm-11:59 pm

1 stop6h 41m

$302

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 $318. 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?

No. A direct flight is the cheapest option for a flight between Seattle to Great Falls.

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

Fastest flight time

5h 33m

Direct flights

Every day

Airports in Great Falls

1 airport
The fastest flight from Seattle to Great Falls takes 5h 33m
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 5h 33m.

  • 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
12,618 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. 12,618 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.

An easier way to manage your Great Falls trip

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