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

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 (GTF) to Seattle (SEA)

Prices were available within the past 7 days and start at for one-way flights and £219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines

Find the cheapest month to fly from Great Falls (GTF) to Seattle (SEA)

February is typically the cheapest month to fly

From £101 - £228 per traveller.

Graph displaying average flight prices per month

Flight from Great Falls to Seattle route information
Origin airport
Great Falls Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
£218
Distance
817 km
Average flight time
2 hours 3 mins

Compare flights from Great Falls to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Great Falls to Seattle. Operating between them flights per day, 16 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Great Falls Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Great Falls Intl. (GTF) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Great Falls to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Great Falls Intl. to Seattle - Tacoma Intl. start at just £219 and range up to £550.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Great Falls and Seattle
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Great Falls to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Great Falls Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Great Falls Intl. Airport to Sea-Tac Airport?
Round-trip tickets between Great Falls Intl. Airport and Sea-Tac Airport start from £219. This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don't miss 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 GTF to Seattle - Tacoma Intl. Airport (SEA)?
We understand that your situation can change unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Great Falls Intl. Airport (GTF) to Seattle - Tacoma Intl. Airport (SEA) 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 SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Great Falls Intl. Airport (GTF) to Sea-Tac Airport?
It's only 820 kilometres from Great Falls Intl. Airport (GTF) to Seattle - Tacoma Intl. Airport (SEA). It's quite possible that you'll spend more time getting to and from the airport than actually flying!
Which airlines fly direct from Great Falls Intl. Airport to Sea-Tac Airport?
A popular choice with many frequent travellers, Alaska Airlines (AS) operates 30 flights every month from Great Falls Intl. Airport to Seattle - Tacoma Intl. Airport (SEA). Pick the one that fits with your travel schedule and book your fare today.
Are Great Falls Intl. Airport (GTF) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally score a bargain, with some super cheap airfares from Great Falls Intl. Airport (GTF) to Sea-Tac Airport emerging a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals regularly — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines publish prices that far in advance.

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