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Idaho Falls Regional Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from Idaho Falls Regional Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from BRL 913 and round-trip from BRL 1,332. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Fri, Nov 20 | Alaska Airlines
      SEA 20:05
      1h 49m
      Direct
      IDA 22:54
      Seattle - Idaho Falls | Sat, Nov 21 | Alaska Airlines
      BRL 1,684 BRL 2,394
      30% off
      30% off
      BRL 2,394 BRL 1,684
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Fri, Nov 13 | Alaska Airlines
      SEA 20:05
      1h 49m
      Direct
      IDA 22:54
      Seattle - Idaho Falls | Sun, Nov 15 | Alaska Airlines
      BRL 1,707 BRL 2,394
      28% off
      28% off
      BRL 2,394 BRL 1,707
    • IDA 13:58
      2h 6m
      Direct
      SEA 15:04
      Idaho Falls - Seattle | Fri, Oct 30 | Alaska Airlines
      SEA 12:30
      1h 50m
      Direct
      IDA 15:20
      Seattle - Idaho Falls | Sat, Oct 31 | Alaska Airlines
      BRL 1,797 BRL 2,394
      25% off
      25% off
      BRL 2,394 BRL 1,797
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Wed, Nov 18 | Alaska Airlines
      SEA 12:30
      1h 48m
      Direct
      IDA 15:18
      Seattle - Idaho Falls | Wed, Nov 25 | Alaska Airlines
      BRL 1,913
      20% off
      BRL 2,394 BRL 1,913
    • IDA 06:04
      2h 16m
      Direct
      SEA 07:20
      Idaho Falls - Seattle | Sat, Nov 21 | Alaska Airlines
      SEA 20:05
      1h 52m
      Direct
      IDA 22:57
      Seattle - Idaho Falls | Sat, Nov 28 | Alaska Airlines
      BRL 1,913
      20% off
      BRL 2,394 BRL 1,913
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Tue, Nov 24 | Alaska Airlines
      SEA 20:05
      1h 52m
      Direct
      IDA 22:57
      Seattle - Idaho Falls | Tue, Dec 1 | Alaska Airlines
      BRL 2,024
      15% off
      BRL 2,394 BRL 2,024
    • IDA 13:55
      2h 6m
      Direct
      SEA 15:01
      Idaho Falls - Seattle | Fri, Nov 27 | Alaska Airlines
      SEA 12:14
      1h 55m
      Direct
      IDA 15:09
      Seattle - Idaho Falls | Sat, Nov 28 | Alaska Airlines
      BRL 2,130
      11% off
      BRL 2,394 BRL 2,130
    • IDA 13:05
      6h 47m
      1 stop
      SEA 18:52
      Idaho Falls - Seattle | Wed, Nov 11 | Delta Air Lines
      SEA 05:30
      15h 40m
      1 stop
      IDA 22:10
      Seattle - Idaho Falls | Sat, Nov 14 | Delta Air Lines
      BRL 1,332
      44% off
      BRL 2,394 BRL 1,332
    • IDA 18:57
      6h 2m
      1 stop
      SEA 23:59
      Idaho Falls - Seattle | Tue, Nov 24 | Delta Air Lines
      SEA 09:25
      11h 34m
      1 stop
      IDA 21:59
      Seattle - Idaho Falls | Sat, Nov 28 | Delta Air Lines
      BRL 1,446
      40% off
      BRL 2,394 BRL 1,446
    • IDA 13:00
      17h 25m
      1 stop
      SEA 14:00
      Idaho Falls - Seattle | Sat, Oct 31 | Normal Airline
      SEA 15:00
      6h
      Direct
      IDA 16:00
      Seattle - Idaho Falls | Mon, Nov 2 | Normal Airline
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    • Cheapest
      IDA 13:54
      2h 16m
      Direct
      SEA 15:10
      Idaho Falls - Seattle | Tue, Dec 1 | Alaska Airlines
      BRL 913 BRL 2,266
      60% off
      60% off
      BRL 2,266 BRL 913
    • IDA 19:47
      22h
      1 stop
      SEA 16:47
      Idaho Falls - Seattle | Mon, Nov 9 | Allegiant Air
      BRL 921 BRL 2,266
      59% off
      59% off
      BRL 2,266 BRL 921
    • IDA 13:54
      2h 16m
      Direct
      SEA 15:10
      Idaho Falls - Seattle | Tue, Dec 1 | Alaska Airlines
      BRL 944 BRL 2,211
      56% off
      56% off
      BRL 2,211 BRL 944
    • IDA 18:59
      6h 6m
      1 stop
      SEA 00:05
      Idaho Falls - Seattle | Tue, Dec 1 | Delta Air Lines
      BRL 1,063
      53% off
      BRL 2,266 BRL 1,063
    • IDA 08:51
      24h 28m
      1 stop
      SEA 08:19
      Idaho Falls - Seattle | Mon, Nov 30 | Allegiant Air
      BRL 1,127
      50% off
      BRL 2,266 BRL 1,127
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Mon, Nov 9 | Alaska Airlines
      BRL 1,171
      48% off
      BRL 2,266 BRL 1,171
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Mon, Nov 2 | Alaska Airlines
      BRL 1,176
      48% off
      BRL 2,266 BRL 1,176
    • IDA 06:04
      2h 16m
      Direct
      SEA 07:20
      Idaho Falls - Seattle | Mon, Nov 2 | Alaska Airlines
      BRL 1,177
      47% off
      BRL 2,211 BRL 1,177
    • IDA 13:52
      2h 10m
      Direct
      SEA 15:02
      Idaho Falls - Seattle | Tue, Dec 29 | Alaska Airlines
      BRL 1,212
      45% off
      BRL 2,211 BRL 1,212
    • IDA 13:00
      17h 25m
      1 stop
      SEA 14:00
      Idaho Falls - Seattle | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      IDA 13:54
      2h 16m
      Direct
      SEA 15:10
      Idaho Falls - Seattle | Tue, Dec 1 | Alaska Airlines
      BRL 913 BRL 2,266
      60% off
      60% off
      BRL 2,266 BRL 913
    • IDA 13:54
      2h 16m
      Direct
      SEA 15:10
      Idaho Falls - Seattle | Tue, Dec 1 | Alaska Airlines
      BRL 944 BRL 2,211
      56% off
      56% off
      BRL 2,211 BRL 944
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Mon, Nov 9 | Alaska Airlines
      BRL 1,171 BRL 2,266
      48% off
      48% off
      BRL 2,266 BRL 1,171
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Mon, Nov 2 | Alaska Airlines
      BRL 1,176
      48% off
      BRL 2,266 BRL 1,176
    • IDA 06:04
      2h 16m
      Direct
      SEA 07:20
      Idaho Falls - Seattle | Mon, Nov 2 | Alaska Airlines
      BRL 1,177
      47% off
      BRL 2,211 BRL 1,177
    • IDA 13:52
      2h 10m
      Direct
      SEA 15:02
      Idaho Falls - Seattle | Tue, Dec 29 | Alaska Airlines
      BRL 1,212
      45% off
      BRL 2,211 BRL 1,212
    • IDA 06:02
      2h 18m
      Direct
      SEA 07:20
      Idaho Falls - Seattle | Mon, Nov 30 | Alaska Airlines
      BRL 1,229
      46% off
      BRL 2,266 BRL 1,229
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Tue, Nov 3 | Alaska Airlines
      BRL 1,902
      16% off
      BRL 2,266 BRL 1,902
    • IDA 13:58
      2h 6m
      Direct
      SEA 15:04
      Idaho Falls - Seattle | Fri, Oct 30 | Alaska Airlines
      BRL 1,967
      13% off
      BRL 2,266 BRL 1,967
    • IDA 13:00
      17h 25m
      1 stop
      SEA 14:00
      Idaho Falls - Seattle | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      IDA 13:54
      2h 16m
      Direct
      SEA 15:10
      Idaho Falls - Seattle | Tue, Dec 1 | Alaska Airlines
      BRL 944 BRL 4,074
      77% off
      77% off
      BRL 4,074 BRL 944
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Mon, Nov 9 | Alaska Airlines
      BRL 1,171 BRL 4,074
      71% off
      71% off
      BRL 4,074 BRL 1,171
    • IDA 06:04
      2h 16m
      Direct
      SEA 07:20
      Idaho Falls - Seattle | Mon, Nov 2 | Alaska Airlines
      BRL 1,177 BRL 4,074
      71% off
      71% off
      BRL 4,074 BRL 1,177
    • IDA 13:52
      2h 10m
      Direct
      SEA 15:02
      Idaho Falls - Seattle | Tue, Dec 29 | Alaska Airlines
      BRL 1,212
      70% off
      BRL 4,074 BRL 1,212
    • IDA 13:58
      2h 6m
      Direct
      SEA 15:04
      Idaho Falls - Seattle | Fri, Oct 30 | Alaska Airlines
      BRL 1,967
      52% off
      BRL 4,074 BRL 1,967
    • IDA 13:09
      4h 46m
      1 stop
      SEA 16:55
      Idaho Falls - Seattle | Tue, Dec 29 | Delta Air Lines
      BRL 3,625
      11% off
      BRL 4,074 BRL 3,625
    • IDA 13:00
      17h 25m
      1 stop
      SEA 14:00
      Idaho Falls - Seattle | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      IDA 06:04
      2h 16m
      Direct
      SEA 07:20
      Idaho Falls - Seattle | Mon, Nov 2 | Alaska Airlines
      BRL 1,177 BRL 2,211
      47% off
      47% off
      BRL 2,211 BRL 1,177
    • IDA 13:58
      2h 6m
      Direct
      SEA 15:04
      Idaho Falls - Seattle | Fri, Oct 30 | Alaska Airlines
      BRL 1,967 BRL 2,211
      11% off
      11% off
      BRL 2,211 BRL 1,967
    • IDA 13:00
      17h 25m
      1 stop
      SEA 14:00
      Idaho Falls - Seattle | Sat, Oct 31 | Normal Airline
      Find more flights
      Find more flights
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Mon, Nov 9 | Alaska Airlines
      BRL 1,171 BRL 2,266
      48% off
      48% off
      BRL 2,266 BRL 1,171
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Mon, Nov 2 | Alaska Airlines
      BRL 1,176 BRL 2,266
      48% off
      48% off
      BRL 2,266 BRL 1,176
    • IDA 13:53
      2h 4m
      Direct
      SEA 14:57
      Idaho Falls - Seattle | Tue, Nov 3 | Alaska Airlines
      BRL 1,902 BRL 2,266
      16% off
      16% off
      BRL 2,266 BRL 1,902
    • IDA 13:58
      2h 6m
      Direct
      SEA 15:04
      Idaho Falls - Seattle | Fri, Oct 30 | Alaska Airlines
      BRL 1,967
      13% off
      BRL 2,266 BRL 1,967
    • IDA 13:52
      2h 10m
      Direct
      SEA 15:02
      Idaho Falls - Seattle | Tue, Dec 29 | Alaska Airlines
      BRL 1,212
      45% off
      BRL 2,211 BRL 1,212
    • IDA 13:54
      2h 16m
      Direct
      SEA 15:10
      Idaho Falls - Seattle | Tue, Dec 1 | Alaska Airlines
      BRL 913
      60% off
      BRL 2,266 BRL 913
    • IDA 13:54
      2h 16m
      Direct
      SEA 15:10
      Idaho Falls - Seattle | Tue, Dec 1 | Alaska Airlines
      BRL 944
      56% off
      BRL 2,211 BRL 944
    • IDA 06:04
      2h 16m
      Direct
      SEA 07:20
      Idaho Falls - Seattle | Mon, Nov 2 | Alaska Airlines
      BRL 1,177
      47% off
      BRL 2,211 BRL 1,177
    • IDA 06:02
      2h 18m
      Direct
      SEA 07:20
      Idaho Falls - Seattle | Mon, Nov 30 | Alaska Airlines
      BRL 1,229
      46% off
      BRL 2,266 BRL 1,229
    • IDA 13:00
      17h 25m
      1 stop
      SEA 14:00
      Idaho Falls - Seattle | Sat, Oct 31 | Normal Airline
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Displayed flight fares from Idaho 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 Idaho Falls Regional Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from Idaho Falls Regional Airport to Seattle-Tacoma International Airport is Allegiant Air (from BRL 905) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From BRL 905
Alaska Airlines
From BRL 913
Delta Air Lines
From BRL 1,063
American Airlines
From BRL 1,534
United Airlines
From BRL 2,114

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS3423

    Idaho Falls Regional Airport

    06:09

    IDA

    2h 11m

    07:20

    SEA

    S M T W T F S
    Search

  2. AS3027

    Idaho Falls Regional Airport

    13:58

    IDA

    2h 6m

    15:04

    SEA

    S M T W T F S
    Search

  3. AS3322

    Idaho Falls Regional Airport

    15:57

    IDA

    1h 52m

    Direct

    16:49

    PDX

    - - - - T F -
    Search

  4. AS2349

    Portland International Airport

    17:48

    PDX

    1h 1m

    Direct

    18:49

    SEA

    - - - - T - -

  5. AS3453

    Idaho Falls Regional Airport

    15:55

    IDA

    1h 53m

    Direct

    16:48

    PDX

    S M T W - - S
    Search

  6. AS2254

    Portland International Airport

    17:38

    PDX

    1h 2m

    Direct

    18:40

    SEA

    S M T W - - S

  7. DL3765

    Idaho Falls Regional Airport

    13:10

    IDA

    1h 7m

    Direct

    14:17

    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. AS3453

    Idaho Falls Regional Airport

    15:55

    IDA

    1h 53m

    Direct

    16:48

    PDX

    S M T W - - S
    Search

  10. AS2320

    Portland International Airport

    19:35

    PDX

    57m

    Direct

    20:32

    SEA

    S M T W - - S

  11. AA4947

    Idaho Falls Regional Airport

    06:30

    IDA

    2h 20m

    Direct

    07:50

    PHX

    S M T W - - -
    Search

  12. AA2040

    Phoenix Sky Harbor International Airport

    11:40

    PHX

    1h 36m

    Direct

    12:16

    LAX

    S M T W - - S

  13. AA6444

    Los Angeles International Airport

    19:54

    LAX

    3h 4m

    Direct

    22:58

    SEA

    S M T W - - S

  14. AS3453

    Idaho Falls Regional Airport

    15:55

    IDA

    1h 53m

    Direct

    16:48

    PDX

    S M T W - - S
    Search

  15. AS1393

    Portland International Airport

    17:53

    PDX

    1h 56m

    Direct

    19:49

    SFO

    S M T W T - S

  16. AS1327

    San Francisco International Airport

    19:45

    SFO

    2h 14m

    Direct

    21:59

    SEA

    S M T W T F S

  17. G4071

    Idaho Falls Regional Airport

    17:08

    IDA

    1h 43m

    Direct

    17:51

    LAS

    S - - - T - -
    Search

  18. AS629

    Harry Reid International Airport

    16:05

    LAS

    2h 51m

    Direct

    18:56

    SEA

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

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

Flight distance 909.68km
Cheapest one-way ticket price BRL 913
Cheapest return ticket price BRL 1,332

FAQs for Idaho Falls Regional Airport to Seattle-Tacoma International Airport Flights

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

    Idaho Falls Regional Airport to Seattle-Tacoma International Airport takes about 1 hour 32 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 daily flights from Idaho Falls Regional Airport (IDA) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from Idaho Falls Regional Airport to Seattle-Tacoma International Airport departs at 06:09, and the last departs at 13:58, with about 2 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Idaho Falls Regional Airport (IDA) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around BRL 1,904 in November, 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.
  • Hawaiian Airlines is a very popular airline operating an average of 12 flights per month.
  • One-way flights from Idaho Falls Regional Airport to Seattle-Tacoma International Airport currently start from BRL 913, and round-trip fares start from BRL 1,332. The current lowest fare is a Alaska Airlines flight departing on Tue, Dec 1; prices may vary depending on availability.
  • Yes. Alaska Airlines operate direct flights from Idaho Falls Regional Airport to Seattle-Tacoma International Airport, with an average flight time of 1 hour 27 minutes, and around 14 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 Idaho Falls Regional Airport to Seattle-Tacoma International Airport is BRL 2,680. Prices may vary depending on the departure date, airline, and availability.
  • Idaho Falls Regional Airport to Seattle-Tacoma International Airport operates around 14 weekly flights, mainly by Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Idaho Falls Regional 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 the estimated lowest prices 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 (including taxes, fuel surcharges, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.