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Seattle-Tacoma International Airport to Idaho Falls Regional Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to Idaho Falls Regional Airport over the next 90 days, with one-way fares from £ 90 and round-trip from £ 221. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 20:10
        1h 49m
        Direct
        IDA 22:59
        Seattle - Idaho Falls | Wed, Oct 21 | Alaska Airlines
        IDA 13:58
        2h 6m
        Direct
        SEA 15:04
        Idaho Falls - Seattle | Wed, Oct 28 | Alaska Airlines
        £ 221 £ 899
        75% off
        75% off
        £ 899 £ 221
      • SEA 20:05
        1h 51m
        Direct
        IDA 22:56
        Seattle - Idaho Falls | Thu, Oct 8 | Alaska Airlines
        IDA 13:58
        2h 6m
        Direct
        SEA 15:04
        Idaho Falls - Seattle | Thu, Oct 15 | Alaska Airlines
        £ 229 £ 899
        75% off
        75% off
        £ 899 £ 229
      • SEA 20:10
        1h 49m
        Direct
        IDA 22:59
        Seattle - Idaho Falls | Thu, Oct 29 | Alaska Airlines
        IDA 06:09
        2h 11m
        Direct
        SEA 07:20
        Idaho Falls - Seattle | Sat, Oct 31 | Alaska Airlines
        £ 233 £ 899
        74% off
        74% off
        £ 899 £ 233
      • SEA 12:30
        1h 50m
        Direct
        IDA 15:20
        Seattle - Idaho Falls | Fri, Oct 30 | Alaska Airlines
        IDA 06:09
        2h 11m
        Direct
        SEA 07:20
        Idaho Falls - Seattle | Sun, Nov 1 | Alaska Airlines
        £ 281
        69% off
        £ 899 £ 281
      • SEA 11:22
        5h 55m
        1 stop
        IDA 18:17
        Seattle - Idaho Falls | Thu, Oct 8 | Delta Air Lines
        IDA 18:56
        6h 3m
        1 stop
        SEA 23:59
        Idaho Falls - Seattle | Thu, Oct 15 | Delta Air Lines
        £ 236
        74% off
        £ 899 £ 236
      • SEA 05:25
        5h 57m
        1 stop
        IDA 12:22
        Seattle - Idaho Falls | Thu, Oct 29 | Delta Air Lines
        IDA 15:57
        3h 59m
        1 stop
        SEA 18:56
        Idaho Falls - Seattle | Sat, Oct 31 | Alaska Airlines
        £ 270
        70% off
        £ 899 £ 270
      • SEA 05:30
        5h 52m
        1 stop
        IDA 12:22
        Seattle - Idaho Falls | Wed, Oct 21 | Delta Air Lines
        IDA 18:56
        4h 9m
        1 stop
        SEA 22:05
        Idaho Falls - Seattle | Wed, Oct 28 | Delta Air Lines
        £ 290
        68% off
        £ 899 £ 290
      • SEA 05:00
        14h 54m
        1 stop
        IDA 20:54
        Seattle - Idaho Falls | Wed, Oct 21 | United Airlines
        IDA 10:35
        11h 40m
        1 stop
        SEA 21:15
        Idaho Falls - Seattle | Wed, Oct 28 | United Airlines
        £ 443
        51% off
        £ 899 £ 443
      • SEA 17:39
        18h 41m
        1 stop
        IDA 13:20
        Seattle - Idaho Falls | Fri, Oct 30 | American Airlines
        IDA 15:57
        5h 36m
        1 stop
        SEA 20:33
        Idaho Falls - Seattle | Sun, Nov 1 | Alaska Airlines
        £ 515
        43% off
        £ 899 £ 515
      • SEA 05:00
        9h 24m
        1 stop
        IDA 15:24
        Seattle - Idaho Falls | Thu, Oct 29 | United Airlines
        IDA 15:57
        5h 36m
        1 stop
        SEA 20:33
        Idaho Falls - Seattle | Sun, Nov 1 | Alaska Airlines
        £ 569
        37% off
        £ 899 £ 569
      • SEA 23:59
        12h 21m
        1 stop
        IDA 13:20
        Seattle - Idaho Falls | Wed, Oct 21 | American Airlines
        IDA 06:37
        16h 20m
        1 stop
        SEA 21:57
        Idaho Falls - Seattle | Wed, Oct 28 | American Airlines
        £ 712
        21% off
        £ 899 £ 712
      • SEA 23:59
        12h 21m
        1 stop
        IDA 13:20
        Seattle - Idaho Falls | Thu, Oct 29 | American Airlines
        IDA 13:50
        20h 41m
        1 stop
        SEA 09:31
        Idaho Falls - Seattle | Sun, Nov 1 | American Airlines
        £ 719
        20% off
        £ 899 £ 719
      • SEA 13:00
        17h 25m
        1 stop
        IDA 14:00
        Seattle - Idaho Falls | Thu, Sep 24 | Normal Airline
        IDA 15:00
        6h
        Direct
        SEA 16:00
        Idaho Falls - Seattle | Sat, Sep 26 | Normal Airline
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      • Cheapest nonstop
        SEA 20:05
        1h 51m
        Direct
        IDA 22:56
        Seattle - Idaho Falls | Tue, Sep 29 | Alaska Airlines
        £ 126 £ 217
        42% off
        42% off
        £ 217 £ 126
      • SEA 12:28
        1h 52m
        Direct
        IDA 15:20
        Seattle - Idaho Falls | Sat, Oct 3 | Alaska Airlines
        £ 126 £ 217
        42% off
        42% off
        £ 217 £ 126
      • SEA 20:10
        1h 49m
        Direct
        IDA 22:59
        Seattle - Idaho Falls | Thu, Oct 22 | Alaska Airlines
        £ 155 £ 217
        28% off
        28% off
        £ 217 £ 155
      • SEA 12:30
        1h 50m
        Direct
        IDA 15:20
        Seattle - Idaho Falls | Sun, Nov 8 | Alaska Airlines
        £ 165
        24% off
        £ 217 £ 165
      • SEA 20:10
        1h 49m
        Direct
        IDA 22:59
        Seattle - Idaho Falls | Mon, Nov 9 | Alaska Airlines
        £ 169
        22% off
        £ 217 £ 169
      • SEA 20:10
        1h 49m
        Direct
        IDA 22:59
        Seattle - Idaho Falls | Mon, Oct 19 | Alaska Airlines
        £ 173
        20% off
        £ 217 £ 173
      • SEA 21:45
        12h 49m
        1 stop
        IDA 11:34
        Seattle - Idaho Falls | Wed, Sep 30 | Frontier Airlines
        £ 90
        59% off
        £ 217 £ 90
      • SEA 11:22
        5h 55m
        1 stop
        IDA 18:17
        Seattle - Idaho Falls | Sat, Oct 3 | Delta Air Lines
        £ 112
        48% off
        £ 217 £ 112
      • SEA 05:30
        5h 52m
        1 stop
        IDA 12:22
        Seattle - Idaho Falls | Sat, Oct 17 | Delta Air Lines
        £ 119
        45% off
        £ 217 £ 119
      • SEA 20:05
        14h 29m
        1 stop
        IDA 11:34
        Seattle - Idaho Falls | Wed, Sep 30 | Delta Air Lines
        £ 134
        38% off
        £ 217 £ 134
      • SEA 07:08
        5h 16m
        1 stop
        IDA 13:24
        Seattle - Idaho Falls | Wed, Sep 30 | Alaska Airlines
        £ 142
        35% off
        £ 217 £ 142
      • SEA 07:15
        4h
        1 stop
        IDA 12:15
        Seattle - Idaho Falls | Tue, Sep 29 | Delta Air Lines
        £ 166
        24% off
        £ 217 £ 166
      • SEA 13:00
        17h 25m
        1 stop
        IDA 14:00
        Seattle - Idaho Falls | Thu, Sep 24 | Normal Airline
        Find more flights
        Find more flights

Flight prices from Seattle-Tacoma International Airport to Idaho Falls Regional Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

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

The cheapest airline flying from Seattle-Tacoma International Airport to Idaho Falls Regional Airport is Frontier Airlines (from £ 90) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From £ 90
Delta Air Lines
From £ 112
Alaska Airlines
From £ 126
American Airlines
From £ 189
United Airlines
From £ 310

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS3424

    Seattle-Tacoma International Airport

    20:05

    SEA

    1h 51m

    22:56

    IDA

    S M T W T F S
    Search

  2. AS3026

    Seattle-Tacoma International Airport

    12:30

    SEA

    1h 50m

    15:20

    IDA

    S M T W T F S
    Search

  3. DL1120

    Seattle-Tacoma International Airport

    13:25

    SEA

    2h 4m

    Direct

    16:29

    SLC

    S M T W T F S
    Search

  4. DL3895

    Salt Lake City International Airport

    17:10

    SLC

    1h 4m

    Direct

    18:14

    IDA

    S M T W T - S

  5. DL1128

    Seattle-Tacoma International Airport

    05:20

    SEA

    2h 4m

    Direct

    08:24

    SLC

    S M T W T F S
    Search

  6. DL3765

    Salt Lake City International Airport

    11:20

    SLC

    1h 7m

    Direct

    12:27

    IDA

    S M T W T F S

  7. DL1265

    Seattle-Tacoma International Airport

    11:30

    SEA

    2h 10m

    Direct

    14:40

    SLC

    S M T W T F S
    Search

  8. DL3895

    Salt Lake City International Airport

    17:10

    SLC

    1h 4m

    Direct

    18:14

    IDA

    S M T W T - S

  9. DL3802

    Seattle-Tacoma International Airport

    10:35

    SEA

    1h 11m

    Direct

    11:46

    PDX

    S M T W T F S
    Search

  10. DL1244

    Portland International Airport

    17:18

    PDX

    1h 52m

    Direct

    20:10

    SLC

    S M T W T F S

  11. DL2608

    Salt Lake City International Airport

    21:15

    SLC

    1h 4m

    Direct

    22:19

    IDA

    S M T W T F S

  12. DL1628

    Seattle-Tacoma International Airport

    07:15

    SEA

    2h 50m

    Direct

    10:05

    LAX

    S M T W T F S
    Search

  13. DL2311

    Los Angeles International Airport

    17:05

    LAX

    1h 54m

    Direct

    19:59

    SLC

    S M T W T F S

  14. DL2608

    Salt Lake City International Airport

    21:15

    SLC

    1h 4m

    Direct

    22:19

    IDA

    S M T W T F S

  15. DL3953

    Seattle-Tacoma International Airport

    07:30

    SEA

    1h 11m

    Direct

    08:41

    PDX

    S M T W T F S
    Search

  16. DL1244

    Portland International Airport

    17:18

    PDX

    1h 52m

    Direct

    20:10

    SLC

    S M T W T F S

  17. DL2608

    Salt Lake City International Airport

    21:15

    SLC

    1h 4m

    Direct

    22:19

    IDA

    S M T W T F S

  18. DL2858

    Seattle-Tacoma International Airport

    07:15

    SEA

    2h 16m

    Direct

    10:31

    SLC

    S M T W T F S
    Search

  19. DL2608

    Salt Lake City International Airport

    21:15

    SLC

    1h 4m

    Direct

    22:19

    IDA

    S M T W T F S

  20. DL3913

    Seattle-Tacoma International Airport

    17:40

    SEA

    1h 3m

    Direct

    18:43

    PDX

    S M T W T F S
    Search

  21. DL1270

    Portland International Airport

    05:45

    PDX

    1h 53m

    Direct

    08:38

    SLC

    S M T W T F S

  22. DL3765

    Salt Lake City International Airport

    11:20

    SLC

    1h 7m

    Direct

    12:27

    IDA

    S M T W T F S
Find more flights and airlines

About Seattle-Tacoma International Airport and Idaho Falls Regional Airport

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

Flight distance909.68km
Cheapest one-way ticket price£ 90
Cheapest return ticket price£ 221

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

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

    Seattle-Tacoma International Airport to Idaho Falls Regional Airport takes about 1 hour 30 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 daily flights from Seattle-Tacoma International Airport (SEA) to Idaho Falls Regional Airport (IDA).
  • The earliest flight from Seattle-Tacoma International Airport to Idaho Falls Regional Airport departs at 12:28, and the last departs at 20:05, 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 Seattle-Tacoma International Airport (SEA) to Idaho Falls Regional Airport (IDA) is quite popular. Without considering departure times or holidays, tickets cost around £ 227 in October, the most expensive month to book this route.
    • The distance from Idaho Falls Regional Airport to downtown is about 3km, by taxi about 20 minutes.
  • Alaska Airlines is a very popular airline operating an average of 13 flights per month.
  • One-way flights from Seattle-Tacoma International Airport to Idaho Falls Regional Airport currently start from £ 90, and round-trip fares start from £ 221. The current lowest fare is a Frontier Airlines flight departing on Wed, Sep 30; prices may vary depending on availability.
  • Yes. Alaska Airlines operate direct flights from Seattle-Tacoma International Airport to Idaho Falls Regional Airport, with an average flight time of 1 hour 22 minutes, and around 13 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 Seattle-Tacoma International Airport to Idaho Falls Regional Airport is £ 726. Prices may vary depending on the departure date, airline, and availability.
  • Seattle-Tacoma International Airport to Idaho Falls Regional Airport operates around 10 weekly flights, mainly by Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle-Tacoma International Airport and Idaho Falls Regional 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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Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to 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 based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.