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Cheap flights from Great Falls to Seattle from $94

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Seattle departing on 8/27. 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
0 bags

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Cheap round-trip flights

Hawaiian Airlines Logo
4:29 pm - 5:32 pmGTF-SEA
2h 03mnonstop
Hawaiian Airlines Logo
1:14 pm - 3:49 pmSEA-GTF
1h 35mnonstop
$152Hawaiian Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 10
Alaska Airlines Logo
4:29 pm - 5:32 pmGTF-SEA
2h 03mnonstop
Alaska Airlines Logo
1:14 pm - 3:49 pmSEA-GTF
1h 35mnonstop
$154Alaska Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
Hawaiian Airlines Logo
4:29 pm - 5:32 pmGTF-SEA
2h 03mnonstop
Hawaiian Airlines Logo
1:14 pm - 3:49 pmSEA-GTF
1h 35mnonstop
$172Hawaiian Airlines
Find Deal
Sat, Sep 6 - Sun, Sep 7
Delta Logo
6:06 pm - 10:14 pmGTF-SEA
5h 08m1 stop
Delta Logo
5:30 am - 11:03 amSEA-GTF
4h 33m1 stop
$173Delta
Find Deal
Tue, Sep 2 - Wed, Sep 10
Alaska Airlines Logo
4:29 pm - 5:32 pmGTF-SEA
2h 03mnonstop
Alaska Airlines Logo
1:14 pm - 3:49 pmSEA-GTF
1h 35mnonstop
$174Alaska Airlines
Find Deal
Wed, Sep 3 - Sun, Sep 7
Delta Logo
6:06 pm - 10:14 pmGTF-SEA
5h 08m1 stop
Delta Logo
5:30 am - 11:03 amSEA-GTF
4h 33m1 stop
$193Delta
Find Deal
Thu, Sep 4 - Wed, Sep 10
Alaska Airlines Logo
4:29 pm - 5:32 pmGTF-SEA
2h 03mnonstop
Alaska Airlines Logo
1:14 pm - 3:49 pmSEA-GTF
1h 35mnonstop
$194Alaska Airlines
Find Deal
Fri, Sep 5 - Thu, Sep 11
Hawaiian Airlines Logo
4:29 pm - 5:32 pmGTF-SEA
2h 03mnonstop
Hawaiian Airlines Logo
1:14 pm - 3:49 pmSEA-GTF
1h 35mnonstop
$212Hawaiian Airlines
Find Deal
Tue, Sep 23 - Fri, Sep 26
Hawaiian Airlines Logo
6:50 pm - 7:42 pmGTF-SEA
1h 52mnonstop
Hawaiian Airlines Logo
3:35 pm - 6:10 pmSEA-GTF
1h 35mnonstop
$213Hawaiian Airlines
Find Deal
Thu, Oct 30 - Sun, Nov 2
Delta Logo
6:06 pm - 10:20 pmGTF-SEA
5h 14m1 stop
Delta Logo
5:30 am - 11:03 amSEA-GTF
4h 33m1 stop
$233Delta
Find Deal
Wed, Aug 27 - Sun, Aug 31

Hawaiian Airlines flights from Great Falls to Seattle

Our best Hawaiian Airlines deals on Great Falls to Seattle flight tickets
Hawaiian Airlines
Sep 3
GTF4:29 pmGreat Falls
2h 03m
SEA5:32 pmSeattle/Tacoma Intl
Sep 10
SEA1:14 pmSeattle/Tacoma Intl
1h 35m
GTF3:49 pmGreat Falls
$152
Find similar
Hawaiian Airlines
Sep 6
GTF4:29 pmGreat Falls
2h 03m
SEA5:32 pmSeattle/Tacoma Intl
Sep 7
SEA1:14 pmSeattle/Tacoma Intl
1h 35m
GTF3:49 pmGreat Falls
$172
Find similar
Hawaiian Airlines
Sep 23
GTF4:29 pmGreat Falls
2h 03m
SEA5:32 pmSeattle/Tacoma Intl
Sep 26
SEA1:14 pmSeattle/Tacoma Intl
1h 35m
GTF3:49 pmGreat Falls
$212
Find similar

Delta flights from Great Falls to Seattle

Our best Delta deals on Great Falls to Seattle flight tickets
Delta
Sep 2
GTF6:06 pmGreat Falls
5h 08m
1 stop
SEA10:14 pmSeattle/Tacoma Intl
Sep 10
SEA5:30 amSeattle/Tacoma Intl
4h 33m
1 stop
GTF11:03 amGreat Falls
$173
Find similar
Delta
Sep 4
GTF6:06 pmGreat Falls
5h 08m
1 stop
SEA10:14 pmSeattle/Tacoma Intl
Sep 10
SEA5:30 amSeattle/Tacoma Intl
4h 33m
1 stop
GTF11:03 amGreat Falls
$193
Find similar
Delta
Aug 27
GTF6:06 pmGreat Falls
5h 14m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
Aug 31
SEA5:30 amSeattle/Tacoma Intl
4h 33m
1 stop
GTF11:03 amGreat Falls
$233
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Seattle 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 2, 2025.
Use the filters below to find and compare flights from Great Falls to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Wed 9/3

4:29 pm-5:32 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Wed 9/10

1:14 pm-3:49 pm

Nonstop1h 35m

$152

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Sat 9/6

4:29 pm-5:32 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Sat 9/13

1:14 pm-3:49 pm

Nonstop1h 35m

$154

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Sat 9/6

4:29 pm-5:32 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Sun 9/7

1:14 pm-3:49 pm

Nonstop1h 35m

$172

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Tue 9/2

6:06 pm-10:14 pm

1 stop5h 08m

Seattle/Tacoma Intl

Wed 9/10

5:30 am-11:03 am

1 stop4h 33m

$173

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Wed 9/3

4:29 pm-5:32 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Sun 9/7

1:14 pm-3:49 pm

Nonstop1h 35m

$174

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Thu 9/4

6:06 pm-10:14 pm

1 stop5h 08m

Seattle/Tacoma Intl

Wed 9/10

5:30 am-11:03 am

1 stop4h 33m

$193

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Fri 9/5

4:29 pm-5:32 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Thu 9/11

1:14 pm-3:49 pm

Nonstop1h 35m

$194

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Tue 9/23

4:29 pm-5:32 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Fri 9/26

1:14 pm-3:49 pm

Nonstop1h 35m

$212

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Thu 10/30

6:50 pm-7:42 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Sun 11/2

3:35 pm-6:10 pm

Nonstop1h 35m

$213

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Wed 8/27

6:06 pm-10:20 pm

1 stop5h 14m

Seattle/Tacoma Intl

Sun 8/31

5:30 am-11:03 am

1 stop4h 33m

$233

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Great Falls to Seattle

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 Seattle?

In general, January is the cheapest month to fly from Great Falls to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $166. If you don’t want to visit Seattle in January, then you should wait until August to fly from Great Falls, when ticket prices are also cheap, with an average price of $238.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Great Falls is on a Thursday. momondo users have found tickets for Thursday departures for as low as $397. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Great Falls because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $560.

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

Flying to Seattle from Great Falls at noon is the least expensive time of day to depart. momondo users have found prices as low as $456 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $607. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

There are 3 cabin classes available to choose from on Great Falls to Seattle/Tacoma Intl 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 Great Falls to Seattle flights?

You could potentially save up to 34% on your flight if you consider stops on a Great Falls to Seattle flight.

When to book flights from Great Falls to Seattle

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

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

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

Best Price Found

$94

Fastest flight time

1h 51m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Great Falls in the past 72 hours is $94. The best round-trip flight deal from Great Falls to Seattle found on momondo in the last 72 hours is $152.
The fastest flight from Great Falls to Seattle takes 1h 51m
Direct flights go from Great Falls to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

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

    There are 514.0 mi between Great Falls and Seattle/Tacoma Intl. A reasonable flight in good conditions will take 1h 51m.

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

    Prices for flights from Great Falls Airport to Seattle/Tacoma Intl Airport refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Great Falls to Seattle

Compare and see reviews for airlines that fly from Great Falls to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $128Free CancellationRating
8.0
7,983 reviews
Search Delta flights
Alaska AirlinesPriceFrom $186Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Great Falls to Seattle

    The lowest priced Alaska Airlines flight from Great Falls to Seattle from the last 72 hours was $186. Generally, Alaska Airlines has 7 flights on this route every week with an average price of $275. Alaska Airlines is rated 8.0/10 by our users.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Kent
Federal Way
Puyallup
Lynnwood
Marysville
Tukwila
Kirkland
Lakewood
Fife
Centralia
Cle Elum
Shoreline
Westport
Redmond

Why use momondo?

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

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 Great Falls to Seattle for you.

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

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

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

Once all potential Great Falls to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Great Falls to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Great Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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