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Great Falls International Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from Great Falls International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from THB 4,110 and round-trip from THB 6,400. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        GTF 17:10
        1h 56m
        Direct
        SEA 18:06
        Great Falls - Seattle | Wed, Nov 4 | Alaska Airlines
        SEA 13:50
        1h 40m
        Direct
        GTF 16:30
        Seattle - Great Falls | Wed, Nov 11 | Alaska Airlines
        THB 6,400 THB 12,000
        47% off
        47% off
        THB 12,000 THB 6,400
      • GTF 17:10
        1h 56m
        Direct
        SEA 18:06
        Great Falls - Seattle | Sat, Nov 7 | Alaska Airlines
        SEA 13:50
        1h 40m
        Direct
        GTF 16:30
        Seattle - Great Falls | Sat, Nov 14 | Alaska Airlines
        THB 6,760 THB 12,000
        44% off
        44% off
        THB 12,000 THB 6,760
      • GTF 17:15
        1h 53m
        Direct
        SEA 18:08
        Great Falls - Seattle | Thu, Oct 29 | Alaska Airlines
        SEA 13:39
        1h 40m
        Direct
        GTF 16:19
        Seattle - Great Falls | Sun, Nov 1 | Alaska Airlines
        THB 8,300 THB 12,000
        31% off
        31% off
        THB 12,000 THB 8,300
      • GTF 17:15
        1h 53m
        Direct
        SEA 18:08
        Great Falls - Seattle | Sat, Oct 24 | Alaska Airlines
        SEA 13:59
        1h 36m
        Direct
        GTF 16:35
        Seattle - Great Falls | Sat, Oct 31 | Alaska Airlines
        THB 9,520
        21% off
        THB 12,000 THB 9,520
      • GTF 18:21
        4h 49m
        1 stop
        SEA 22:10
        Great Falls - Seattle | Wed, Sep 30 | Delta Air Lines
        SEA 05:30
        6h 8m
        1 stop
        GTF 12:38
        Seattle - Great Falls | Tue, Oct 6 | Delta Air Lines
        THB 6,630
        45% off
        THB 12,000 THB 6,630
      • GTF 18:27
        4h 38m
        1 stop
        SEA 22:05
        Great Falls - Seattle | Tue, Oct 27 | Delta Air Lines
        SEA 05:25
        6h 13m
        1 stop
        GTF 12:38
        Seattle - Great Falls | Sun, Nov 1 | Delta Air Lines
        THB 7,060
        41% off
        THB 12,000 THB 7,060
      • GTF 13:18
        4h 37m
        1 stop
        SEA 16:55
        Great Falls - Seattle | Thu, Oct 29 | Delta Air Lines
        SEA 05:25
        6h 13m
        1 stop
        GTF 12:38
        Seattle - Great Falls | Sun, Nov 1 | Delta Air Lines
        THB 7,400
        38% off
        THB 12,000 THB 7,400
      • GTF 18:27
        4h 38m
        1 stop
        SEA 22:05
        Great Falls - Seattle | Thu, Oct 15 | Delta Air Lines
        SEA 05:30
        6h 8m
        1 stop
        GTF 12:38
        Seattle - Great Falls | Mon, Oct 19 | Delta Air Lines
        THB 7,980
        34% off
        THB 12,000 THB 7,980
      • GTF 18:27
        4h 38m
        1 stop
        SEA 22:05
        Great Falls - Seattle | Sat, Oct 24 | Delta Air Lines
        SEA 05:30
        6h 8m
        1 stop
        GTF 12:38
        Seattle - Great Falls | Sat, Oct 31 | Delta Air Lines
        THB 8,660
        28% off
        THB 12,000 THB 8,660
      • GTF 18:27
        4h 38m
        1 stop
        SEA 22:05
        Great Falls - Seattle | Wed, Oct 28 | Delta Air Lines
        SEA 11:05
        5h 42m
        1 stop
        GTF 17:47
        Seattle - Great Falls | Fri, Oct 30 | Delta Air Lines
        THB 9,110
        24% off
        THB 12,000 THB 9,110
      • GTF 18:27
        6h 32m
        1 stop
        SEA 23:59
        Great Falls - Seattle | Sun, Oct 18 | Delta Air Lines
        SEA 05:30
        6h 8m
        1 stop
        GTF 12:38
        Seattle - Great Falls | Tue, Oct 20 | Delta Air Lines
        THB 9,140
        24% off
        THB 12,000 THB 9,140
      • GTF 18:27
        4h 38m
        1 stop
        SEA 22:05
        Great Falls - Seattle | Mon, Nov 2 | Delta Air Lines
        SEA 05:30
        6h 8m
        1 stop
        GTF 12:38
        Seattle - Great Falls | Wed, Nov 4 | Delta Air Lines
        THB 9,720
        19% off
        THB 12,000 THB 9,720
      • GTF 13:00
        17h 25m
        1 stop
        SEA 14:00
        Great Falls - Seattle | Fri, Sep 25 | Normal Airline
        SEA 15:00
        6h
        Direct
        GTF 16:00
        Seattle - Great Falls | Sun, Sep 27 | Normal Airline
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      • Cheapest nonstop
        GTF 17:15
        1h 53m
        Direct
        SEA 18:08
        Great Falls - Seattle | Tue, Nov 10 | Alaska Airlines
        THB 4,110 THB 5,930
        31% off
        31% off
        THB 5,930 THB 4,110
      • GTF 17:15
        1h 53m
        Direct
        SEA 18:08
        Great Falls - Seattle | Sat, Oct 17 | Alaska Airlines
        THB 4,340 THB 5,930
        27% off
        27% off
        THB 5,930 THB 4,340
      • GTF 17:15
        1h 53m
        Direct
        SEA 18:08
        Great Falls - Seattle | Sat, Nov 7 | Alaska Airlines
        THB 4,430 THB 5,930
        25% off
        25% off
        THB 5,930 THB 4,430
      • GTF 17:15
        1h 53m
        Direct
        SEA 18:08
        Great Falls - Seattle | Mon, Oct 19 | Alaska Airlines
        THB 4,780
        19% off
        THB 5,930 THB 4,780
      • GTF 17:15
        1h 53m
        Direct
        SEA 18:08
        Great Falls - Seattle | Fri, Oct 30 | Alaska Airlines
        THB 4,790
        19% off
        THB 5,930 THB 4,790
      • GTF 18:21
        4h 49m
        1 stop
        SEA 22:10
        Great Falls - Seattle | Tue, Oct 13 | Delta Air Lines
        THB 4,340
        27% off
        THB 5,930 THB 4,340
      • GTF 13:15
        6h 40m
        1 stop
        SEA 18:55
        Great Falls - Seattle | Sat, Oct 17 | Delta Air Lines
        THB 4,420
        25% off
        THB 5,930 THB 4,420
      • GTF 13:18
        6h 44m
        1 stop
        SEA 19:02
        Great Falls - Seattle | Tue, Nov 10 | Delta Air Lines
        THB 4,620
        22% off
        THB 5,930 THB 4,620
      • GTF 18:27
        6h 32m
        1 stop
        SEA 23:59
        Great Falls - Seattle | Fri, Oct 23 | Delta Air Lines
        THB 4,740
        20% off
        THB 5,930 THB 4,740
      • GTF 13:18
        4h 37m
        1 stop
        SEA 16:55
        Great Falls - Seattle | Sat, Nov 7 | Delta Air Lines
        THB 4,740
        20% off
        THB 5,930 THB 4,740
      • GTF 18:21
        4h 49m
        1 stop
        SEA 22:10
        Great Falls - Seattle | Fri, Oct 9 | Delta Air Lines
        THB 4,770
        20% off
        THB 5,930 THB 4,770
      • GTF 18:21
        4h 49m
        1 stop
        SEA 22:10
        Great Falls - Seattle | Tue, Sep 29 | Delta Air Lines
        THB 4,800
        19% off
        THB 5,930 THB 4,800
      • GTF 13:00
        17h 25m
        1 stop
        SEA 14:00
        Great Falls - Seattle | Fri, Sep 25 | Normal Airline
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Flight fares from Great Falls International Airport to Seattle-Tacoma International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Which airline offers the cheapest flights from Great Falls International Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from Great Falls International Airport to Seattle-Tacoma International Airport is Alaska Airlines (from THB 4,110) among 3 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From THB 4,110
Delta Air Lines
From THB 4,340
United Airlines
From THB 14,770

Find more flights and airlines

What is the flight schedule from Great Falls International Airport to Seattle-Tacoma International Airport?

Check the schedule for flights from Great Falls to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS2444

    Great Falls International Airport

    17:19

    GTF

    1h 49m

    18:08

    SEA

    S M T W T F S
    Search

  2. DL3862

    Great Falls International Airport

    05:30

    GTF

    1h 38m

    Direct

    07:08

    SLC

    S M T W T F S
    Search

  3. DL2874

    Salt Lake City International Airport

    08:00

    SLC

    2h 33m

    Direct

    09:33

    SEA

    S M T W T F S

  4. DL3859

    Great Falls International Airport

    13:10

    GTF

    1h 40m

    Direct

    14:50

    SLC

    S M T W T F S
    Search

  5. DL2817

    Salt Lake City International Airport

    15:35

    SLC

    2h 18m

    Direct

    16:53

    SEA

    S M T W T F S

  6. DL3800

    Great Falls International Airport

    18:20

    GTF

    1h 40m

    Direct

    20:00

    SLC

    S M T W T F S
    Search

  7. DL2016

    Salt Lake City International Airport

    20:45

    SLC

    2h 25m

    Direct

    22:10

    SEA

    S M T W T F S

  8. DL3800

    Great Falls International Airport

    18:20

    GTF

    1h 40m

    Direct

    20:00

    SLC

    S M T W T F S
    Search

  9. DL2998

    Salt Lake City International Airport

    22:45

    SLC

    2h 26m

    Direct

    00:11

    SEA

    S - - W T - S

  10. DL3859

    Great Falls International Airport

    13:10

    GTF

    1h 40m

    Direct

    14:50

    SLC

    S M T W T F S
    Search

  11. DL871

    Salt Lake City International Airport

    17:10

    SLC

    2h 20m

    Direct

    18:30

    SEA

    S M T W T F S

  12. DL3862

    Great Falls International Airport

    05:30

    GTF

    1h 38m

    Direct

    07:08

    SLC

    S M T W T F S
    Search

  13. DL2921

    Salt Lake City International Airport

    13:20

    SLC

    2h 23m

    Direct

    14:43

    SEA

    S M T W T F S

  14. DL3862

    Great Falls International Airport

    05:30

    GTF

    1h 38m

    Direct

    07:08

    SLC

    S M T W T F S
    Search

  15. DL2016

    Salt Lake City International Airport

    20:45

    SLC

    2h 25m

    Direct

    22:10

    SEA

    S M T W T F S
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About Great Falls International Airport and Seattle-Tacoma International Airport

Learn about Great Falls International Airport (GTF) and Seattle-Tacoma International Airport (SEA) — including location, terminals, transportation, and travel tips.

Flight distance823.07km
Cheapest one-way ticket priceTHB 4,110
Cheapest return ticket priceTHB 6,400

FAQs for Great Falls International Airport to Seattle-Tacoma International Airport Flights

  • How long is the flight from Great Falls International Airport to Seattle-Tacoma International Airport?

    Great Falls International Airport to Seattle-Tacoma International Airport takes about 1 hour 27 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 daily flights from Great Falls International Airport (GTF) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from Great Falls International Airport to Seattle-Tacoma International Airport departs at 17:19, and the last departs at 17:19, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Great Falls International Airport (GTF) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around THB 7,380 in October, the most expensive month to book this route.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • Alaska Airlines is a very popular airline operating an average of 2 flights per month.
  • One-way flights from Great Falls International Airport to Seattle-Tacoma International Airport currently start from THB 4,110, and round-trip fares start from THB 6,400. The current lowest fare is a Alaska Airlines flight departing on Tue, Nov 10; prices may vary depending on availability.
  • Yes. Alaska Airlines operate direct flights from Great Falls International Airport to Seattle-Tacoma International Airport, with an average flight time of 1 hour 24 minutes, and around 7 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Great Falls International Airport to Seattle-Tacoma International Airport is THB 12,290. Prices may vary depending on the departure date, airline, and availability.
  • Great Falls International Airport to Seattle-Tacoma International Airport operates around 5 weekly flights, mainly by Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Great Falls International Airport and Seattle-Tacoma International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Real-time pricing updates

Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

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Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.