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Flights from Seoul to Idaho Falls

Cheapest airlines flights from Seoul to Idaho Falls

You can choose from 1 airlines that fly from Seoul to Idaho Falls, including Asiana Airlines, American Airlines has lowest fares on this route.
Asiana Airlines logo Asiana Airlines
Airlines are determined based on actual purchased flight tickets from Seoul to Idaho Falls according to previous 12 months data from Trip.com.

Search cheap flights from Seoul to Idaho Falls in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$483, and round-trip tickets start at US$610.

      • ICN 20:35
        18h 49m
        1 stop
        IDA 23:24
        Seoul - Idaho Falls | Thu, Mar 5 | Hawaiian Airlines
        IDA 09:00
        17h 35m
        1 stop
        ICN 18:35
        Idaho Falls - Seoul | Wed, Mar 11 | Hawaiian Airlines
        US$610 US$1,114
        45% off
        45% off
        US$1,114 US$610
      • ICN 20:35
        19h 1m
        1 stop
        IDA 23:36
        Seoul - Idaho Falls | Thu, Mar 19 | Hawaiian Airlines
        IDA 17:20
        34h 15m
        1 stop
        ICN 18:35
        Idaho Falls - Seoul | Thu, Mar 26 | Hawaiian Airlines
        US$641 US$1,114
        42% off
        42% off
        US$1,114 US$641
      • ICN 20:35
        18h 24m
        1 stop
        IDA 22:59
        Seoul - Idaho Falls | Wed, Feb 18 | Hawaiian Airlines
        IDA 09:00
        17h 35m
        1 stop
        ICN 18:35
        Idaho Falls - Seoul | Fri, Feb 20 | Hawaiian Airlines
        US$691 US$1,114
        38% off
        38% off
        US$1,114 US$691
      • ICN 20:35
        18h 49m
        1 stop
        IDA 23:24
        Seoul - Idaho Falls | Fri, Mar 6 | Hawaiian Airlines
        IDA 17:00
        33h 35m
        1 stop
        ICN 18:35
        Idaho Falls - Seoul | Thu, Mar 12 | Hawaiian Airlines
        US$739
        34% off
        US$1,114 US$739
      • ICN 20:05
        19h 19m
        1 stop
        IDA 23:24
        Seoul - Idaho Falls | Thu, Mar 5 | Delta Air Lines
        IDA 17:00
        30h 55m
        1 stop
        ICN 15:55
        Idaho Falls - Seoul | Thu, Mar 12 | Hawaiian Airlines
        US$904
        19% off
        US$1,114 US$904
      • ICN 20:05
        19h 19m
        1 stop
        IDA 23:24
        Seoul - Idaho Falls | Thu, Mar 5 | Korean Air
        IDA 17:00
        30h 55m
        1 stop
        ICN 15:55
        Idaho Falls - Seoul | Thu, Mar 12 | Hawaiian Airlines
        US$904
        19% off
        US$1,114 US$904
      • ICN 20:35
        19h 1m
        1 stop
        IDA 23:36
        Seoul - Idaho Falls | Thu, Mar 19 | Alaska Airlines
        IDA 08:00
        19h 35m
        1 stop
        ICN 18:35
        Idaho Falls - Seoul | Thu, Mar 26 | Alaska Airlines
        US$932
        16% off
        US$1,114 US$932
      • ICN 20:35
        18h 49m
        1 stop
        IDA 23:24
        Seoul - Idaho Falls | Wed, Feb 25 | Hawaiian Airlines
        IDA 09:00
        17h 35m
        1 stop
        ICN 18:35
        Idaho Falls - Seoul | Wed, Mar 4 | Hawaiian Airlines
        US$995
        11% off
        US$1,114 US$995
      • ICN 16:10
        16h 33m
        1 stop
        IDA 16:43
        Seoul - Idaho Falls | Fri, Mar 6 | Delta Air Lines
        IDA 08:00
        15h 55m
        1 stop
        ICN 15:55
        Idaho Falls - Seoul | Thu, Mar 12 | Alaska Airlines
        US$1,002
        10% off
        US$1,114 US$1,002
      • ICN 16:10
        16h 33m
        1 stop
        IDA 16:43
        Seoul - Idaho Falls | Fri, Mar 6 | Korean Air
        IDA 08:00
        16h 30m
        1 stop
        ICN 16:30
        Idaho Falls - Seoul | Thu, Mar 12 | Alaska Airlines
        US$1,002
        10% off
        US$1,114 US$1,002
      • SEL 13:00
        17h 25m
        1 stop
        IDA Invalid Date
        Seoul - Idaho Falls | Wed, Feb 18 | Normal Airline
        IDA 15:00
        6h
        Nonstop
        SEL 16:00
        Idaho Falls - Seoul | Fri, Feb 20 | Normal Airline
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        Find more flights
      • ICN 19:15
        34h 22m
        1 stop
        IDA 13:37
        Seoul - Idaho Falls | Thu, Feb 26 | American Airlines
        US$483 US$973
        50% off
        50% off
        US$973 US$483
      • ICN 20:35
        18h 24m
        1 stop
        IDA 22:59
        Seoul - Idaho Falls | Wed, Feb 18 | Hawaiian Airlines
        US$496 US$973
        49% off
        49% off
        US$973 US$496
      • ICN 17:55
        34h 53m
        1 stop
        IDA 13:48
        Seoul - Idaho Falls | Fri, Mar 27 | American Airlines
        US$497 US$973
        49% off
        49% off
        US$973 US$497
      • ICN 20:35
        18h 24m
        1 stop
        IDA 22:59
        Seoul - Idaho Falls | Wed, Feb 18 | Alaska Airlines
        US$502
        48% off
        US$973 US$502
      • ICN 20:05
        18h 54m
        1 stop
        IDA 22:59
        Seoul - Idaho Falls | Thu, Feb 26 | Korean Air
        US$765
        21% off
        US$973 US$765
      • ICN 20:05
        18h 54m
        1 stop
        IDA 22:59
        Seoul - Idaho Falls | Thu, Feb 26 | Delta Air Lines
        US$783
        20% off
        US$973 US$783
      • ICN 19:40
        14h 9m
        1 stop
        IDA 17:49
        Seoul - Idaho Falls | Thu, Mar 19 | Korean Air
        US$839
        14% off
        US$973 US$839
      • ICN 19:40
        14h 11m
        1 stop
        IDA 17:51
        Seoul - Idaho Falls | Thu, Feb 19 | Korean Air
        US$854
        12% off
        US$973 US$854
      • ICN 19:40
        14h 9m
        1 stop
        IDA 17:49
        Seoul - Idaho Falls | Thu, Mar 19 | Delta Air Lines
        US$864
        11% off
        US$973 US$864
      • ICN 19:40
        19h 17m
        1 stop
        IDA 22:57
        Seoul - Idaho Falls | Thu, Feb 19 | Delta Air Lines
        US$875
        10% off
        US$973 US$875
      • SEL 13:00
        17h 25m
        1 stop
        IDA Invalid Date
        Seoul - Idaho Falls | Wed, Feb 18 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Seoul to Idaho Falls are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Seoul to Idaho Falls Flight Details

The distance between Seoul and Idaho Falls is about 9,221.32 km. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is September.

Cheapest one-way flight priceUS$483
Cheapest return ticket priceUS$610
Cheapest monthSeptember
Peak season for travelJanuary
Flight distance9,221.32 km
Popular airlineAsiana Airlines
Flight statistics for the Seoul–Idaho Falls route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Seoul to Idaho Falls (SEL-IDA)?

    Based on Trip.com data, American Airlines offers one-way fares as low as US$483 on Cheapest nonstop routes (e.g. ICN to IDA on Thu, Feb 26), while Hawaiian Airlines offers Cheapest nonstop round-trips from US$610 departing on Thu, Mar 5 and returning on Wed, Mar 11.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Idaho Falls is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Seoul to Idaho Falls, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Feb 26, with one-way flights priced at just US$483.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Idaho Falls travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seoul to Idaho Falls is September, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Seoul to Idaho Falls on February 21, 2026 with Hawaiian Airlines, with prices starting at US$610.
  • The time difference between Idaho Falls and Seoul is 16h.
  • Tickets can only be changed or canceled if permitted by airline policy. 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. However, 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.

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