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$508+ Cheap flights from Idaho to South Korea

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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ICN
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Idaho to South Korea

Keep the following information in mind while searching for Idaho to South Korea flight deals. Data was last updated August 18, 2025.

Round-trip from

$880
(American Airlines)

One-way from

$508
(Alaska Airlines)
From Idaho to South Korea
Search Deals
One-way flight from Idaho to South Korea
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Find flight deals from Idaho to South Korea

Cheapest flights from Idaho to South Korea
Explore the most affordable flight options available from Idaho to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:35 pmGEG - ICN
1 stop34h 55mAmerican Airlines
Tue 10/75:45 pmICN - GEG
1 stop33h 58mAmerican Airlines
Deal found 8/16$880
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:38 pmBOI - ICN
1 stop34h 52mAmerican Airlines
Tue 10/75:45 pmICN - BOI
1 stop19h 37mAmerican Airlines
Deal found 8/16$897
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:27 pmBOI - ICN
2 stops28h 03mMultiple Airlines
Tue 10/75:45 pmICN - BOI
2 stops20h 30mMultiple Airlines
Deal found 8/16$902
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Fri 10/248:58 pmBOI - ICN
2 stops30h 47mMultiple Airlines
Wed 10/296:55 pmICN - BOI
1 stop18h 13mMultiple Airlines
Deal found 8/17$915
This SmartFares deal was found by Cheapflights users on 8/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:05 pmBOI - ICN
1 stop19h 15mMultiple Airlines
Mon 11/179:00 pmICN - BOI
1 stop17h 20mMultiple Airlines
Deal found 8/18$926
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Thu 10/238:26 pmBOI - ICN
2 stops31h 19mMultiple Airlines
Wed 10/296:55 pmICN - BOI
1 stop18h 13mMultiple Airlines
Deal found 8/17$937
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Wed 10/226:30 amBOI - ICN
2 stops23h 00mMultiple Airlines
Wed 10/296:55 pmICN - BOI
1 stop18h 13mMultiple Airlines
Deal found 8/17$960
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/2211:19 amBOI - ICN
1 stop16h 16mAlaska Airlines
Thu 10/238:35 pmICN - BOI
1 stop18h 21mAlaska Airlines
Deal found 8/17$961
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 10/218:26 pmBOI - ICN
1 stop31h 09mAlaska Airlines
Thu 10/238:35 pmICN - BOI
1 stop18h 21mAlaska Airlines
Deal found 8/17$967
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 10/224:25 pmBOI - ICN
1 stop35h 10mAlaska Airlines
Fri 11/288:35 pmICN - BOI
1 stop30h 10mAlaska Airlines
Deal found 8/16$973
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Tue 9/301:25 pmGEG - ICN
2 stops39h 25mMultiple Airlines
Tue 10/712:45 pmICN - GEG
1 stop25h 51mMultiple Airlines
Deal found 8/16$981
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:38 pmGEG - ICN
1 stop20h 42mMultiple Airlines
Thu 11/2712:40 pmICN - GEG
1 stop22h 45mMultiple Airlines
Deal found 8/17$988

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 August 18, 2025.
Use the filters below to find and compare flights from Idaho to South Korea that are best for you.

Fly from

Idaho

Fly to

South Korea

Route

Depart

Return

Price

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Tue 9/30

12:35 pm-3:30 pm

1 stop34h 55m

Incheon Intl

Tue 10/7

5:45 pm-11:43 am

1 stop33h 58m

$880

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 10/22

1:35 pm-3:30 pm

1 stop34h 55m

Incheon Intl

Sun 10/26

5:55 pm-10:24 pm

1 stop19h 29m

$897

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Tue 9/30

1:38 pm-3:30 pm

1 stop34h 52m

Incheon Intl

Tue 10/7

5:45 pm-10:22 pm

1 stop19h 37m

$897

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Tue 9/30

1:38 pm-3:30 pm

1 stop34h 52m

Incheon Intl

Tue 10/7

5:45 pm-11:15 pm

2 stops20h 30m

$902

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 10/22

8:26 pm-3:30 pm

2 stops28h 04m

Incheon Intl

Sun 10/26

5:55 pm-11:32 pm

2 stops20h 37m

$902

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Fri 10/24

8:58 pm-6:45 pm

2 stops30h 47m

Incheon Intl

Wed 10/29

6:55 pm-10:08 pm

1 stop18h 13m

$915

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Wed 2/11

5:00 am-8:30 pm

2 stops22h 30m

Incheon Intl

Fri 2/20

6:55 pm-12:14 am

2 stops22h 19m

$917

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 11/10

6:05 pm-5:20 am

1 stop19h 15m

Incheon Intl

Mon 11/17

9:00 pm-10:20 pm

1 stop17h 20m

$926

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 10/23

8:26 pm-6:45 pm

2 stops31h 19m

Incheon Intl

Wed 10/29

6:55 pm-10:08 pm

1 stop18h 13m

$937

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

7:00 pm-4:20 am

1 stop17h 20m

Incheon Intl

Sun 2/1

9:00 pm-11:55 pm

1 stop18h 55m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 45 results
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Best time to book a flight from Idaho to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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 South Korea

What is the cheapest time of day to fly from ID to KR?

Find hourly flight availability from Idaho to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to South Korea as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Idaho 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 are the cheapest airlines to fly from Idaho to South Korea one-way?

    One-way options have recently been found by users for as low as $508 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $992 and ANA from $1,016 one-way.

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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.

  • What is the cheapest month to book a flight from Idaho to South Korea?

    Currently, February is the cheapest month in which you can book a flight from Idaho to South Korea (average of $992). Flying from Idaho to South Korea in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Idaho to South Korea

Discover the top airline that operate flights from Idaho to South Korea. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,072Average$1,467FlexibilityNo cancel feeOn-timeN/A

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