
Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Seattle-Tacoma International Airport (SEA)
- Air Canada
Air Canada
- WestJet
WestJet
- Flair Airlines
Flair Airlines
- American Airlines
American Airlines
- United
United
- Delta
Delta
- Porter Airlines
Porter Airlines
- Plan, book, fly with confidence
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Cheap flights from Great Falls (GTF) to Seattle (SEA)
Prices were available within the past 7 days and start at CA $128 for one-way flights and CA $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Great Falls (GTF) to Seattle (SEA)
January is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Great Falls Intl. |
Destination airport | Seattle - Tacoma Intl. |
Roundtrip price | CA $208 |
Distance | 817 km |
Average flight time | 1 hour 51 mins |
Great Falls to Seattle Flights
The easy way to book your flights from Great Falls to Seattle
With Expedia, it’s simple to find and book flights to Seattle from Great Falls whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Alaska Airlines, Hawaiian Airlines nonstop flights to Seattle - Tacoma Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Great Falls to Seattle today, tomorrow, or this week.
Save dollars with cheap flights from Great Falls Intl., GTF to Seattle - Tacoma Intl., SEA
Sort your search results by price to find great deals on your flight from Great Falls to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Great Falls currently is just CA $208 rising to CA $800.
Here are more money-saving tips:
- Fly in September when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Seattle
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Seattle from Great Falls
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.
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Top Routes from Great Falls
- Great Falls to Newark Liberty Intl. Airport (GTF - EWR)
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Top Routes to Seattle
- Ottawa to Seattle (YOW - SEA)
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- Delhi to Seattle (DEL - SEA)
- Victoria to Seattle (YYJ - SEA)
- Dubai to Seattle (DXB - SEA)
- Montreal to Seattle (YUL - SEA)
- Buffalo to Seattle (BUF - SEA)
Top Routes from Great Falls
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Seattle Paine Field Intl. Airport
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