￥10,680 Cheap Flights from Great Falls (GTF) to Seattle (SEA)

View ￥10,680 flight on Sat, Oct 18, 2025Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Great Falls to Seattle (GTF-SEA)

Prices were available within the past 7 days and start at ￥10,680 for one-way flights and 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)

February is typically the cheapest month to fly

From ￥20,066 - ￥45,272 per traveler.

Frequently asked questions

How much is a flight from Great Falls Intl. Airport (GTF) to Sea-Tac Airport?
Round-trip tickets from GTF to Seattle - Tacoma Intl. Airport (SEA) start from . This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Great Falls Intl. Airport (GTF) to Sea-Tac Airport?
We understand that things come up unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Great Falls Intl. Airport to Sea-Tac Airport that have flexible change policies?
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 Great Falls Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from GTF to Seattle - Tacoma Intl. Airport (SEA)?
The flight time from GTF to Sea-Tac Airport is roughly 5 hours and 38 minutes. Put your headphones on, listen to a good podcast and the time will whiz by.
How far is the flight from Great Falls Intl. Airport (GTF) to Sea-Tac Airport?
It's only 820 kilometers between Great Falls and SeaTac. Chances are you'll spend more time getting to and from the airport than actually flying!
Which airlines fly direct from Great Falls Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?
If you want to fly directly from Great Falls Intl. Airport to Sea-Tac Airport, Alaska Airlines (AS) is a great choice. It operates 30 flights every month between Great Falls and SeaTac.
Are GTF to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Great Falls Intl. Airport to Sea-Tac Airport are available up to a year prior to departure on Expedia. And although you may score great last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting caught in the dreaded middle seat! We're always updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Travel information

Travel information

0
Origin airport
Great Falls Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
817 km

Book with confidence

Book with confidence

Great Falls to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Great Falls to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with GTF to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Great Falls for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Great Falls to Seattle Flights

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