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Great Falls To Seattle Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

September
October
November
December
January
February
March
April
August

September is by far the best month, wherein you can get cheapest flights for Great Falls to Seattle. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From Great Falls To Seattle

Cheapest
Delta Airlines
Delta Airlines

GTF

18:09

Great Falls

Great Falls International Airport

Thu , 16 Oct 2025

06h 50m
ellipse
1 Stop

SEA

23:59

Seattle

Seattle Tacoma International Airport

Thu, 16 Oct 2025

£206
Alaska Airlines
Alaska Airlines

GTF

18:15

Great Falls

Great Falls International Airport

Thu , 16 Oct 2025

01h 55m
ellipse
Non Stop

SEA

19:10

Seattle

Seattle Tacoma International Airport

Thu, 16 Oct 2025

£214
Hawaiian Airlines
Hawaiian Airlines

GTF

18:15

Great Falls

Great Falls International Airport

Thu , 16 Oct 2025

01h 55m
ellipse
Non Stop

SEA

19:10

Seattle

Seattle Tacoma International Airport

Thu, 16 Oct 2025

£221
Delta Airlines
Delta Airlines

GTF

18:09

Great Falls

Great Falls International Airport

Thu , 16 Oct 2025

05h 13m
ellipse
1 Stop

SEA

22:22

Seattle

Seattle Tacoma International Airport

Thu, 16 Oct 2025

£228
United Airlines
United Airlines

GTF

14:31

Great Falls

Great Falls International Airport

Thu , 16 Oct 2025

06h 50m
ellipse
1 Stop

SEA

20:21

Seattle

Seattle Tacoma International Airport

Thu, 16 Oct 2025

£411
Alaska Airlines
Alaska Airlines

GTF

18:15

Great Falls

Great Falls International Airport

Wed , 15 Oct 2025

01h 55m
ellipse
Non Stop

SEA

19:10

Seattle

Seattle Tacoma International Airport

Wed, 15 Oct 2025

£206
Delta Airlines
Delta Airlines

GTF

13:08

Great Falls

Great Falls International Airport

Wed , 15 Oct 2025

04h 24m
ellipse
1 Stop

SEA

16:32

Seattle

Seattle Tacoma International Airport

Wed, 15 Oct 2025

£373
United Airlines
United Airlines

GTF

07:00

Great Falls

Great Falls International Airport

Wed , 15 Oct 2025

09h 32m
ellipse
1 Stop

SEA

15:32

Seattle

Seattle Tacoma International Airport

Wed, 15 Oct 2025

£454
United Airlines
United Airlines

GTF

14:31

Great Falls

Great Falls International Airport

Wed , 15 Oct 2025

06h 50m
ellipse
1 Stop

SEA

20:21

Seattle

Seattle Tacoma International Airport

Wed, 15 Oct 2025

£702
ellipse

Early Morning Flight Great Falls to Seattle

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Cheapest Flight
Found
£411
group
Average Flight
Time
06h 50m
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Date/Time
16 Oct 2025
14:31 PM
plane
Airlines
United Airlines
Ellipse

Late Night Flight Great Falls to Seattle

wallet
Cheapest Flight
Found
£214
group
Average Flight
Time
01h 55m
calendar
Date/Time
16 Oct 2025
18:15 PM
plane
Airlines
Alaska Airlines

Flights from Great Falls to Seattle with Easemytrip

Flying from Great Falls to Seattle has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between Great Falls to Seattle is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Great Falls International Airport (GTF) and Seattle Tacoma International Airport (SEA). You can expect a flight distance of approximately 821 km, and most direct services cover it in around 03:27.

Let’s take a closer look at everything you need to know before booking your flight from Great Falls to Seattle.

Travel Overview: Great Falls to Seattle

Flight Details Information
Route Distance 821 km
Average Flight Time 03:27 hrs
Departure Airport Great Falls International Airport (GTF)
Arrival Airport Seattle Tacoma International Airport (SEA)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights YES
Common Airlines Delta Airlines, Alaska Airlines, Hawaiian Airlines, United Airlines

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

Read more

FAQs about flights from Great Falls to Seattle

Are there direct flights from Great Falls to Seattle?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?