Cheap Flights Seattle to Great Falls (SEA-GTF)

Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Sea-Tac Airport to GTF start from NZ$433. Book now to score the best price for your trip. Prices and availability are subject to change. Additional terms apply.

Most flights can be cancelled online, but whether you incur a fee varies between airlines. If you do have to cancel your trip, follow the easy instructions in the Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Seattle - Tacoma Intl. Airport (SEA) to GTF flights, you’ll see a “no change fees” filter for you to select.

It’s just 820 kilometres between SeaTac and Great Falls. It’s quite possible that you’ll spend more time getting to and from the airport than you will actually flying!

Alaska Airlines (AS) will fly you from Seattle - Tacoma Intl. Airport (SEA) to GTF comfortably and reliably. Take your pick of 30 direct flights every month on this route.

Fares from Seattle - Tacoma Intl. Airport (SEA) to GTF are available up to 12 months before departure on Expedia. And although you may score a fantastic last-minute deal, it’s not something you should count on. Also, booking your flights well in advance means you’ll have more choices — and you can avoid getting caught in the dreaded middle seat! We’re always updating our fares to bring you the best bargains, so keep checking in for all the latest specials.