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$820+ Cheap flights from Idaho Falls (IDA) to South Korea

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — ICN
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Idaho Falls to South Korea

Cheapest flights from Idaho Falls to South Korea
Explore the most affordable flight options available from Idaho Falls to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:00 am
IDA
-
ICN
1 stop21h 35m
Multiple Airlines
Wed 4/18:35 pm
ICN
-
IDA
1 stop17h 17m
Multiple Airlines
Deal found 2/10$820
This Alaska Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:59 pm
IDA
-
ICN
1 stop33h 36m
Multiple Airlines
Sat 4/48:35 pm
ICN
-
IDA
1 stop17h 17m
Multiple Airlines
Deal found 2/11$883
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:00 am
IDA
-
ICN
1 stop18h 35m
Multiple Airlines
Thu 2/268:35 pm
ICN
-
IDA
1 stop19h 01m
Multiple Airlines
Deal found 2/10$945
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:10 am
IDA
-
ICN
1 stop18h 10m
Delta
Wed 10/77:20 pm
ICN
-
IDA
1 stop17h 59m
Delta
Deal found 2/10$977
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:30 pm
IDA
-
ICN
2 stops20h 10m
United Airlines
Wed 4/14:50 pm
ICN
-
IDA
2 stops32h 03m
United Airlines
Deal found 2/10$1,031
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:55 pm
IDA
-
ICN
2 stops30h 35m
Delta
Wed 4/17:00 pm
ICN
-
IDA
2 stops18h 16m
Delta
Deal found 2/12$1,037
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:30 pm
IDA
-
ICN
2 stops43h 50m
United Airlines
Sat 4/411:30 am
ICN
-
IDA
2 stops40h 54m
United Airlines
Deal found 2/11$1,158

Find flight deals from Idaho Falls to South Korea

Keep the following information in mind while searching for Idaho Falls to South Korea flight deals. Data was last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$820
(Alaska Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Seoul (SEL) flights.
Search Deals
From Idaho Falls Fanning Field to South Korea
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to South Korea that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Idaho Falls to South Korea that are best for you.

Fly from

Idaho Falls

Fly to

South Korea

Route

Depart

Return

Price

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:00 am-6:35 pm

1 stop21h 35m

Incheon Intl

Wed 4/1

8:35 pm-10:52 pm

1 stop17h 17m

$820

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sat 3/28

5:59 pm-6:35 pm

1 stop33h 36m

Incheon Intl

Sat 4/4

8:35 pm-10:52 pm

1 stop17h 17m

$883

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 2/22

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Thu 2/26

8:35 pm-11:36 pm

1 stop19h 01m

$945

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

5:30 pm-4:40 am

2 stops20h 10m

Incheon Intl

Wed 4/1

4:50 pm-9:53 am

2 stops32h 03m

$1,031

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:55 pm-4:30 pm

2 stops30h 35m

Incheon Intl

Wed 4/1

7:00 pm-10:16 pm

2 stops18h 16m

$1,037

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sat 3/28

5:30 pm-4:20 am

2 stops43h 50m

Incheon Intl

Sat 4/4

11:30 am-1:24 pm

2 stops40h 54m

$1,158

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Best time to book a flight from Idaho Falls to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Idaho Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to South Korea
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to South Korea?

    Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to South Korea from Idaho Falls.

  • Can I find deals for flights from Idaho Falls to South Korea that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to South Korea.

  • Can I find deals for business class flights from Idaho Falls to South Korea?

    Yes. Cheapflights offers flight deals from Idaho Falls to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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