Cheap Flights from Seattle to Great Falls International

Compare Seattle to Great Falls International flight deals

Find the cheapest month or even day of the year to fly to Great Falls International

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Flight deals from Seattle to Great Falls International

Looking for a cheap last-minute deal or the best return flight from Seattle to Great Falls International Airport? If you want to travel next month, return fares start from Rs59,928. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Great Falls International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Great Falls International flights are currently cheapest in November.

Direct flights from Seattle to Great Falls International

Seattle to Great Falls International: Alternative routes

Compare routes from Seattle to Great Falls below. You may find an airport to fly into that's cheaper, faster, or easier than Great Falls International.

Seattle to Great Falls: Flight information

The things to know before you go.
Cheapest flight foundRs38,230
Cheapest month to flyNovember
Average flight time1 hr, 36 mins
Most popular airlineAlaska Airlines
Average flights per week26

Finding cheap flights from Seattle to Great Falls International: Frequently asked questions

The best price we found for a return flight from Seattle to Great Falls International is Rs57,220. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 36 minutes is the average flight time from Seattle to Great Falls International.
Alaska Airlines, Horizon Air and Japan Airlines fly direct from Seattle to Great Falls International.
As of July 2026, there are 26 flights per week flying from Seattle to Great Falls International.
The cheapest month to fly from Seattle to Great Falls International is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Great Falls International Airport on Wednesday, 14 October 2026.
Yes – the average flight time is 1 hour and 36 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Great Falls International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Great Falls is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Seattle to Great Falls International Airport (GTF): What you need to know

  • Get your travels underway at Seattle-Tacoma International Airport (SEA), the main airport in Seattle. Search for flights from Seattle to Great Falls International Airport (GTF) that jet out of this terminal.

  • Take a direct Seattle to Great Falls International Airport flight and you'll be in the air for an average of 1 hour 35 minutes.

  • The timezone in Great Falls is UTC-7, which is one hour ahead of Seattle. Great Falls International Airport is located in Great Falls.

  • You can choose from 6 direct services each week between Seattle-Tacoma International Airport (SEA) and Great Falls International Airport (GTF). This is the most popular route, with Alaska Airlines offering a 11:25am departure from SEA to GTF.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Show up at the airport on time to board your flight from Seattle to GTF.

  • July is a busy travel month. If you're heading away then or around a major holiday like Thanksgiving, show up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Fly without interruptions from Seattle-Tacoma International Airport (SEA). Direct flights from Seattle to Great Falls International Airport (GTF) operate from here.

  • Alaska Airlines is a well-known carrier that operates direct flights from Seattle to Great Falls International Airport jetting out of SEA.

  • Alaska Airlines is the airline most travellers choose for flights from SEA to GTF.

  • Alaska Airlines ranks as the top on-time carrier on this route, with 85.71% of its services landing on schedule.

  • The journey from central Seattle to SEA takes about 35 minutes by public transport. If you ride-share, drive or grab a taxi, you'll cover the 23 kilometres in 25 minutes or so, depending on traffic conditions.

  • In search of a convenient hotel close to Seattle-Tacoma International Airport? If you've booked an early flight from Seattle to Great Falls International Airport, these stays will put you moments from check-in:

  • Seattle-Tacoma International Airport has a solid on-time performance, so flight disruptions are less likely. Departures from SEA touch down on schedule 80% of the time.

Seattle Paine Field International Airport (PAE)

  • You can arrive at PAE from the centre of Seattle in approximately 40 minutes by car (depending on traffic conditions). The ride by public transport takes roughly 1 hour 30 minutes to cover the 40 kilometres or so.

  • Catching an early morning flight? You might like to check in to one of these accommodation options near Seattle Paine Field International Airport the day before your Seattle to GTF flight:

  • Seattle Paine Field International Airport has a solid reputation for punctual service. 80% of flights departing here make it to their final destination as planned.

About Great Falls International Airport (GTF)

Getting from Great Falls International Airport (GTF) to central Great Falls

  • Great Falls International Airport is around 8 kilometres from central Great Falls. It takes around 10 minutes or so to get to the city by car.

  • If you're travelling by public transport, expect a journey time of roughly 25 minutes.

How to find the cheapest flights from Seattle to Great Falls International Airport (GTF)

  • Currently, Rs38,230 is the lowest price we've found for a one-way ticket from Seattle to Great Falls International Airport. The cheapest price for a return flight is Rs57,220. Keep in mind fares may change due to demand at the time of booking.

  • Booking early is often the key to scoring a cheap flight from Seattle to GTF. Fares tend to rise as seats fill up, so the closer your departure date, the more expensive your ticket may be.

  • Cheap Seattle to Great Falls International Airport tickets are easier to find when your travel dates are flexible. Try using the 'Whole month' tool to compare fares throughout the month and then pick the cheapest day.

  • Save time looking for cheap plane tickets from Seattle to GTF by creating a Price Alert. We'll send you an email or push notification on the app when prices go down.

  • Tailor your flights using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Seattle to Great Falls International Airport.

The best time to fly from Seattle to Great Falls International Airport (GTF)

  • July is the most popular month for flights from Seattle to Great Falls International Airport (GTF). Plan your visit to Great Falls in December for a more laid-back experience.

  • The warmest month in Great Falls is July, with temperatures ranging between 11ºC and 33ºC. Lock in your Seattle to GTF plane ticket then if that's your ideal forecast.

  • Search for cheap tickets from Seattle to Great Falls International Airport in February if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -21ºC and 8ºC.

More about Great Falls

  • Start your Great Falls trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Seattle to Great Falls International Airport, browse our range of accommodation options including:

  • Your Great Falls visit isn't complete without checking out the sights. Highlights that belong on your itinerary include Lewis & Clark National Historic Trail Interpretive Centre, Great Falls Dam View and St. Ann Cathedral.

Explore more of the United States

  • You've visited Great Falls, now it's time to explore more of the United States. Travel about 290 kilometres southeast to Billings to check off its top sights. From Museum of Women's History to Yellowstone Art Museum and The Rimrocks, you've got a jam-packed schedule ahead.

  • Around 209 kilometres west of Great Falls, Missoula is another essential stop in the United States. Get a taste of what this destination has to offer at Mt Jumbo, Lolo Natioal Forest and Missoula Art Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.