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$408+ Cheap flights from Idaho to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEL
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Idaho to Seoul

Cheapest flights from Idaho to Seoul
Explore the most affordable flight options available from Idaho to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 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 United Airlines deal was found by Cheapflights users on 2/9. 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.
Mon 2/161:44 pm
BOI
-
ICN
1 stop23h 56m
United Airlines
Mon 3/95:00 pm
ICN
-
BOI
1 stop17h 12m
United Airlines
Deal found 2/9$827
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.
Thu 3/128:10 am
GEG
-
ICN
1 stop18h 25m
Multiple Airlines
Fri 3/138:35 pm
ICN
-
GEG
1 stop19h 24m
Multiple Airlines
Deal found 2/10$828
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:28 pm
BOI
-
ICN
1 stop31h 07m
Multiple Airlines
Sat 4/48:35 pm
ICN
-
BOI
1 stop14h 13m
Multiple Airlines
Deal found 2/11$830
This Delta deal was found by Cheapflights users on 2/9. 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.
Mon 2/165:35 am
BOI
-
ICN
2 stops18h 55m
Delta
Thu 3/128:05 pm
ICN
-
BOI
1 stop15h 55m
Delta
Deal found 2/9$831
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:06 pm
GEG
-
ICN
1 stop30h 29m
Multiple Airlines
Fri 3/208:35 pm
ICN
-
GEG
1 stop19h 24m
Multiple Airlines
Deal found 2/9$831
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 2/146:00 pm
BOI
-
ICN
1 stop32h 35m
Multiple Airlines
Mon 3/98:35 pm
ICN
-
BOI
1 stop13h 57m
Multiple Airlines
Deal found 2/9$832
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 3/117:06 pm
GEG
-
ICN
1 stop31h 29m
Multiple Airlines
Fri 3/138:35 pm
ICN
-
GEG
1 stop17h 02m
Multiple Airlines
Deal found 2/10$833
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.
Sat 3/77:06 pm
GEG
-
ICN
1 stop30h 29m
Multiple Airlines
Sun 3/158:35 pm
ICN
-
GEG
1 stop31h 54m
Multiple Airlines
Deal found 2/10$839
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.
Thu 3/128:10 am
GEG
-
ICN
1 stop18h 25m
Multiple Airlines
Mon 3/168:35 pm
ICN
-
GEG
1 stop19h 24m
Multiple Airlines
Deal found 2/10$845
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 3/117:06 pm
GEG
-
ICN
1 stop31h 29m
Multiple Airlines
Mon 3/168:35 pm
ICN
-
GEG
1 stop17h 02m
Multiple Airlines
Deal found 2/10$850
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 2/1811:54 am
BOI
-
ICN
1 stop14h 41m
Multiple Airlines
Sun 3/88:35 pm
ICN
-
BOI
1 stop17h 05m
Multiple Airlines
Deal found 2/9$870

Find flight deals from Idaho to Seoul

Keep the following information in mind while searching for Idaho to Seoul flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$820
(Alaska Airlines)

One-way from

$408
(Alaska Airlines)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Seoul (SEL) flights.
Search Deals
From Idaho to Seoul (SEL)
Search Deals
One-way flight from Idaho to Seoul (SEL)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Seoul 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 12, 2026.
Use the filters below to find and compare flights from Idaho to Seoul that are best for you.

Fly from

Idaho

Fly to

Seoul

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

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Thu 3/12

8:10 am-6:35 pm

1 stop18h 25m

Incheon Intl

Fri 3/13

8:35 pm-11:59 pm

1 stop19h 24m

$828

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 3/28

8:28 pm-6:35 pm

1 stop31h 07m

Incheon Intl

Sat 4/4

8:35 pm-7:48 pm

1 stop14h 13m

$830

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Wed 3/11

5:57 pm-6:35 pm

1 stop32h 38m

Incheon Intl

Sun 3/15

8:35 pm-11:59 pm

1 stop19h 24m

$833

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Wed 3/11

7:06 pm-6:35 pm

1 stop31h 29m

Incheon Intl

Fri 3/13

8:35 pm-9:37 pm

1 stop17h 02m

$833

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Thu 3/12

8:10 am-6:35 pm

1 stop18h 25m

Incheon Intl

Mon 3/16

8:35 pm-11:59 pm

1 stop19h 24m

$845

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Sat 3/7

7:05 am-6:35 pm

1 stop18h 30m

Incheon Intl

Fri 3/13

8:35 pm-9:37 pm

1 stop17h 02m

$878

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

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Wed 3/11

3:45 pm-5:05 am

1 stop21h 20m

Incheon Intl

Wed 3/18

9:00 pm-10:52 pm

1 stop17h 52m

$890

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 3/9

7:26 pm-4:20 pm

2 stops28h 54m

Incheon Intl

Mon 3/16

6:55 pm-1:02 pm

1 stop34h 07m

$891

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 46 results
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Best time to book a flight from Idaho to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Idaho 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 to Seoul
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 to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to Seoul?

    There are many flights that can get you from Idaho to Seoul in 33h 26m. Fly via United Airlines or Japan Airlines to get the fastest option. Airlines will cover a distance of 5341 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Idaho to Seoul?

    The most popular flight routes from Idaho to Seoul are Boise Air Term. Gowen Fld - Incheon Intl, Boise Air Term. Gowen Fld - Seoul Gimpo Intl and Spokane - Incheon Intl.

  • Can I find deals for flights from Idaho to Seoul that include hotel bookings?

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

  • How can I find direct flights from Idaho to Seoul?

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

  • Can I find deals for business class flights from Idaho to Seoul?

    Yes. Cheapflights offers flight deals from Idaho to Seoul 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
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O'Hare Intl to Gimpo Intl flights
LaGuardia to Gimpo Intl flights
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Boston to Gimpo Intl flights
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Atlanta to Gimpo Intl flights
Portland to Incheon Intl flights
Philadelphia to Incheon Intl flights
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Reagan-National to Gimpo Intl flights
Denver to Incheon Intl flights
Las Vegas to Incheon Intl flights
Cleveland to Incheon Intl flights
Honolulu to Gimpo Intl flights
Charlotte to Incheon Intl flights

Top airline flying from Idaho to Seoul

Discover the top airline that operate flights from Idaho to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$915Average$1,455FlexibilityNo cancel feeOn-timeN/A

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