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$508+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 11/86:28 amBOI - ICN
1 stop20h 07mAlaska Airlines
Sun 11/168:35 pmICN - BOI
1 stop19h 19mAlaska Airlines
Deal found 10/29$837
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/145:00 amIDA - ICN
2 stops19h 15mUnited Airlines
Mon 11/2412:45 pmICN - IDA
2 stops26h 07mUnited Airlines
Deal found 10/28$841
This Delta deal was found by Cheapflights users on 10/29. 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 11/87:40 amBOI - ICN
1 stop16h 50mDelta
Sun 11/168:05 pmICN - BOI
2 stops20h 30mDelta
Deal found 10/29$896
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/146:57 pmIDA - ICN
2 stops29h 33mDelta
Mon 11/248:05 pmICN - IDA
2 stops18h 14mDelta
Deal found 10/29$896
This Delta deal was found by Cheapflights users on 10/30. 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 11/35:05 amGEG - ICN
1 stop18h 25mDelta
Wed 11/58:05 pmICN - GEG
1 stop15h 53mDelta
Deal found 10/30$1,005
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 11/86:28 amBOI - ICN
1 stop20h 07mAlaska Airlines
Sun 11/98:35 pmICN - BOI
1 stop29h 54mAlaska Airlines
Deal found 10/30$1,010
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/24:19 pmIDA - ICN
2 stops31h 56mUnited Airlines
Sun 12/2812:45 pmICN - IDA
2 stops37h 13mUnited Airlines
Deal found 10/30$1,017
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sun 11/3010:53 pmIDA - ICN
2 stops54h 42mMultiple Airlines
Sun 12/288:35 pmICN - IDA
1 stop19h 32mMultiple Airlines
Deal found 10/30$1,048
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/284:15 pmIDA - ICN
2 stops21h 25mUnited Airlines
Sun 12/2812:45 pmICN - IDA
2 stops37h 13mUnited Airlines
Deal found 10/30$1,059
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/35:07 pmIDA - ICN
2 stops36h 28mMultiple Airlines
Sun 12/288:35 pmICN - IDA
1 stop19h 32mMultiple Airlines
Deal found 10/30$1,076
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/284:15 pmIDA - ICN
2 stops21h 25mUnited Airlines
Mon 12/296:00 pmICN - IDA
2 stops31h 58mUnited Airlines
Deal found 10/30$1,088
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/24:19 pmIDA - ICN
2 stops31h 56mUnited Airlines
Mon 12/2912:45 pmICN - IDA
2 stops26h 14mUnited Airlines
Deal found 10/30$1,107

Cheap flight deals from Idaho to Seoul

Keep the following information in mind while searching for Idaho to Seoul flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$841
(United Airlines)

One-way from

$508
(Delta)
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)
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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 October 30, 2025.
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

Fri 11/14

5:00 am-4:15 pm

2 stops19h 15m

Incheon Intl

Mon 11/24

12:45 pm-10:52 pm

2 stops26h 07m

$841

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:15 am-6:35 pm

1 stop21h 20m

Incheon Intl

Wed 4/1

8:35 pm-10:35 pm

1 stop17h 00m

$861

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Sat 1/10

6:00 pm-8:30 pm

2 stops33h 30m

Incheon Intl

Wed 1/28

6:55 pm-3:25 pm

1 stop37h 30m

$881

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Fri 11/14

6:57 pm-4:30 pm

2 stops29h 33m

Incheon Intl

Mon 11/24

8:05 pm-10:19 pm

2 stops18h 14m

$896

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 3/8

8:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Sat 3/14

8:35 pm-10:38 pm

1 stop17h 03m

$899

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Thu 3/26

11:35 am-6:35 pm

1 stop15h 00m

Incheon Intl

Fri 3/27

8:35 pm-12:13 am

1 stop19h 38m

$905

SpokaneSeoul

GEG - GMP

GEGGMP

Spokane

Sat 1/10

5:53 pm-10:05 pm

2 stops35h 12m

Seoul Gimpo Intl

Wed 1/28

12:05 pm-3:25 pm

2 stops20h 20m

$952

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

5:45 am-4:30 pm

2 stops18h 45m

Incheon Intl

Sun 2/1

8:05 pm-9:58 pm

1 stop17h 53m

$965

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 2/26

6:00 am-4:30 pm

2 stops18h 30m

Incheon Intl

Mon 3/2

7:30 pm-10:21 pm

2 stops18h 51m

$965

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:00 am-4:30 pm

2 stops19h 30m

Incheon Intl

Wed 4/1

7:20 pm-10:21 pm

2 stops18h 01m

$965

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 26 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

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

Find hourly flight availability from Idaho to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 31% on flights from Idaho to Seoul by exploring options for tickets in the afternoon.

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 19h 15m. Fly via United Airlines, Alaska Airlines, or Delta to get the fastest option. Airlines will cover a distance of 5746 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, Idaho Falls Fanning Field - Incheon 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

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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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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$940Average$1,455FlexibilityNo cancel feeOn-timeN/A

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