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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 CAD 175 and round-trip from CAD 272. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Wed, Nov 4 | Alaska Airlines
      CAD 175 CAD 655
      73% off
      73% off
      CAD 655 CAD 175
    • GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Sun, Nov 1 | Alaska Airlines
      CAD 189 CAD 655
      71% off
      71% off
      CAD 655 CAD 189
    • GTF 13:18
      6h 44m
      1 stop
      SEA 19:02
      Great Falls - Seattle | Wed, Nov 4 | Delta Air Lines
      CAD 197 CAD 655
      70% off
      70% off
      CAD 655 CAD 197
    • GTF 13:17
      4h 42m
      1 stop
      SEA 16:59
      Great Falls - Seattle | Sat, Dec 12 | Delta Air Lines
      CAD 216
      67% off
      CAD 655 CAD 216
    • GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Fri, Nov 6 | Alaska Airlines
      CAD 218
      67% off
      CAD 655 CAD 218
    • GTF 13:18
      4h 37m
      1 stop
      SEA 16:55
      Great Falls - Seattle | Sun, Nov 1 | Delta Air Lines
      CAD 218
      67% off
      CAD 655 CAD 218
    • GTF 18:19
      5h 33m
      1 stop
      SEA 22:52
      Great Falls - Seattle | Sun, Dec 13 | Delta Air Lines
      CAD 224
      66% off
      CAD 655 CAD 224
    • GTF 05:40
      4h 30m
      1 stop
      SEA 09:10
      Great Falls - Seattle | Sun, Nov 8 | Delta Air Lines
      CAD 225
      66% off
      CAD 655 CAD 225
    • GTF 13:21
      4h 32m
      1 stop
      SEA 16:53
      Great Falls - Seattle | Fri, Nov 27 | Delta Air Lines
      CAD 239
      64% off
      CAD 655 CAD 239
    • GTF 13:00
      17h 25m
      1 stop
      SEA 14:00
      Great Falls - Seattle | Thu, Oct 29 | Normal Airline
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    • Cheapest nonstop
      GTF 17:10
      1h 56m
      Direct
      SEA 18:06
      Great Falls - Seattle | Mon, Nov 16 | Alaska Airlines
      SEA 13:50
      1h 40m
      Direct
      GTF 16:30
      Seattle - Great Falls | Mon, Nov 23 | Alaska Airlines
      CAD 272 CAD 519
      48% off
      48% off
      CAD 519 CAD 272
    • GTF 17:10
      1h 56m
      Direct
      SEA 18:06
      Great Falls - Seattle | Thu, Nov 19 | Alaska Airlines
      SEA 13:50
      1h 40m
      Direct
      GTF 16:30
      Seattle - Great Falls | Thu, Nov 26 | Alaska Airlines
      CAD 287 CAD 519
      45% off
      45% off
      CAD 519 CAD 287
    • GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Tue, Nov 10 | Alaska Airlines
      SEA 13:39
      1h 40m
      Direct
      GTF 16:19
      Seattle - Great Falls | Fri, Nov 13 | Alaska Airlines
      CAD 353 CAD 519
      32% off
      32% off
      CAD 519 CAD 353
    • GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Thu, Nov 5 | Alaska Airlines
      SEA 13:59
      1h 36m
      Direct
      GTF 16:35
      Seattle - Great Falls | Thu, Nov 12 | Alaska Airlines
      CAD 404
      22% off
      CAD 519 CAD 404
    • GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Wed, Nov 11 | Alaska Airlines
      SEA 13:50
      1h 40m
      Direct
      GTF 16:30
      Seattle - Great Falls | Fri, Nov 13 | Alaska Airlines
      CAD 410
      21% off
      CAD 519 CAD 410
    • GTF 17:10
      1h 56m
      Direct
      SEA 18:06
      Great Falls - Seattle | Tue, Nov 24 | Alaska Airlines
      SEA 13:50
      1h 40m
      Direct
      GTF 16:30
      Seattle - Great Falls | Tue, Dec 1 | Alaska Airlines
      CAD 415
      20% off
      CAD 519 CAD 415
    • GTF 17:10
      1h 56m
      Direct
      SEA 18:06
      Great Falls - Seattle | Wed, Nov 25 | Alaska Airlines
      SEA 13:25
      1h 36m
      Direct
      GTF 16:01
      Seattle - Great Falls | Wed, Dec 2 | Alaska Airlines
      CAD 415
      20% off
      CAD 519 CAD 415
    • GTF 13:18
      4h 37m
      1 stop
      SEA 16:55
      Great Falls - Seattle | Sun, Nov 8 | Delta Air Lines
      SEA 17:29
      4h 15m
      1 stop
      GTF 22:44
      Seattle - Great Falls | Sat, Nov 14 | Delta Air Lines
      CAD 300
      42% off
      CAD 519 CAD 300
    • GTF 18:27
      4h 38m
      1 stop
      SEA 22:05
      Great Falls - Seattle | Thu, Nov 5 | Delta Air Lines
      SEA 05:30
      6h 8m
      1 stop
      GTF 12:38
      Seattle - Great Falls | Thu, Nov 12 | Delta Air Lines
      CAD 368
      28% off
      CAD 519 CAD 368
    • GTF 13:00
      17h 25m
      1 stop
      SEA 14:00
      Great Falls - Seattle | Thu, Oct 29 | Normal Airline
      SEA 15:00
      6h
      Direct
      GTF 16:00
      Seattle - Great Falls | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Wed, Nov 4 | Alaska Airlines
      CAD 175 CAD 655
      73% off
      73% off
      CAD 655 CAD 175
    • GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Sun, Nov 1 | Alaska Airlines
      CAD 189 CAD 655
      71% off
      71% off
      CAD 655 CAD 189
    • GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Fri, Nov 6 | Alaska Airlines
      CAD 218 CAD 655
      67% off
      67% off
      CAD 655 CAD 218
    • GTF 13:00
      17h 25m
      1 stop
      SEA 14:00
      Great Falls - Seattle | Thu, Oct 29 | Normal Airline
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    • GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Wed, Nov 4 | Alaska Airlines
      CAD 175 CAD 655
      73% off
      73% off
      CAD 655 CAD 175
    • GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Sun, Nov 1 | Alaska Airlines
      CAD 189 CAD 655
      71% off
      71% off
      CAD 655 CAD 189
    • GTF 17:15
      1h 53m
      Direct
      SEA 18:08
      Great Falls - Seattle | Fri, Nov 6 | Alaska Airlines
      CAD 218 CAD 655
      67% off
      67% off
      CAD 655 CAD 218
    • GTF 05:40
      4h 30m
      1 stop
      SEA 09:10
      Great Falls - Seattle | Sun, Nov 8 | Delta Air Lines
      CAD 225
      66% off
      CAD 655 CAD 225
    • GTF 13:21
      4h 32m
      1 stop
      SEA 16:53
      Great Falls - Seattle | Fri, Nov 27 | Delta Air Lines
      CAD 239
      64% off
      CAD 655 CAD 239
    • GTF 13:18
      4h 37m
      1 stop
      SEA 16:55
      Great Falls - Seattle | Sun, Nov 1 | Delta Air Lines
      CAD 218
      67% off
      CAD 655 CAD 218
    • GTF 13:18
      4h 37m
      1 stop
      SEA 16:55
      Great Falls - Seattle | Sat, Oct 31 | Delta Air Lines
      CAD 524
      20% off
      CAD 655 CAD 524
    • GTF 18:27
      4h 38m
      1 stop
      SEA 22:05
      Great Falls - Seattle | Mon, Nov 9 | Delta Air Lines
      CAD 262
      60% off
      CAD 655 CAD 262
    • GTF 13:17
      4h 42m
      1 stop
      SEA 16:59
      Great Falls - Seattle | Sat, Dec 12 | Delta Air Lines
      CAD 216
      67% off
      CAD 655 CAD 216
    • GTF 13:00
      17h 25m
      1 stop
      SEA 14:00
      Great Falls - Seattle | Thu, Oct 29 | Normal Airline
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Displayed flight fares from Great Falls to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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 CAD 358) among 3 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From CAD 358
Delta Air Lines
From CAD 373
United Airlines
From CAD 612

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

    17:15

    GTF

    1h 53m

    18:08

    SEA

    - - T W T F -
    Search

  2. AS3354

    Great Falls International Airport

    17:10

    GTF

    1h 56m

    18:06

    SEA

    S M - - - - S
    Search

  3. DL3862

    Great Falls International Airport

    05:30

    GTF

    1h 35m

    Direct

    07:05

    SLC

    S M T W T F S
    Search

  4. DL2874

    Salt Lake City International Airport

    07:50

    SLC

    2h 34m

    Direct

    09:24

    SEA

    S M T W T F S

  5. DL3800

    Great Falls International Airport

    18:27

    GTF

    1h 42m

    Direct

    20:09

    SLC

    S - T W T - S
    Search

  6. DL2016

    Salt Lake City International Airport

    20:45

    SLC

    2h 25m

    Direct

    22:10

    SEA

    S M T W T F S

  7. DL3859

    Great Falls International Airport

    13:22

    GTF

    1h 42m

    Direct

    15:04

    SLC

    S M T W T F S
    Search

  8. DL2817

    Salt Lake City International Airport

    15:35

    SLC

    2h 18m

    Direct

    16:53

    SEA

    S M T W T - S

  9. DL3859

    Great Falls International Airport

    13:22

    GTF

    1h 42m

    Direct

    15:04

    SLC

    S M T W T F S
    Search

  10. DL871

    Salt Lake City International Airport

    17:10

    SLC

    2h 20m

    Direct

    18:30

    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 distance 823.07km
Cheapest one-way ticket price CAD 175
Cheapest return ticket price CAD 272

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 30 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 17:15, and the last departs at 17:15, 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 CAD 748 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 CAD 175, and round-trip fares start from CAD 272. The current lowest fare is a Alaska Airlines flight departing on Wed, Nov 4; 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 28 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 CAD 411. Prices may vary depending on the departure date, airline, and availability.
  • Great Falls International Airport to Seattle-Tacoma International Airport operates around 7 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.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

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

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
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.