How long is the flight from Idaho to South Korea?

For as low as $837, United Airlines can have you in South Korea from Idaho in 18h 40m. Idaho and South Korea are separated by a distance of 5598 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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.

$451+ Flights 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 October 30, 2025.

Sat 11/86:28 amBOI - ICN

1 stop20h 07mAlaska Airlines

Sun 11/168:35 pmICN - BOI

1 stop17h 45mAlaska Airlines

Deal found 10/28

$837

Mon 11/105:00 amBOI - ICN

2 stops19h 15mUnited Airlines

Tue 11/186:00 pmICN - BOI

2 stops19h 36mUnited Airlines

Deal found 10/28

$841

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

Sat 11/86:00 amBOI - ICN

2 stops18h 30mDelta

Sun 11/168:05 pmICN - BOI

2 stops20h 30mDelta

Deal found 10/28

$896

Fri 11/146:57 pmIDA - ICN

2 stops29h 33mDelta

Mon 11/248:05 pmICN - IDA

2 stops18h 14mDelta

Deal found 10/29

$896

Fri 11/217:05 amGEG - ICN

1 stop16h 25mDelta

Fri 11/288:05 pmICN - GEG

1 stop17h 56mDelta

Deal found 10/30

$1,173

Fri 11/141:58 pmIDA - ICN

1 stop34h 47mAmerican Airlines

Mon 11/247:15 pmICN - IDA

1 stop34h 12mAmerican Airlines

Deal found 10/28

$1,193

Sat 11/227:05 amGEG - ICN

1 stop16h 25mDelta

Sun 11/308:05 pmICN - GEG

1 stop29h 31mDelta

Deal found 10/28

$1,199

Fri 11/216:00 amGEG - ICN

1 stop17h 30mDelta

Sun 11/308:05 pmICN - GEG

1 stop29h 31mDelta

Deal found 10/28

$1,229

Fri 12/127:35 amBOI - ICN

2 stops46h 00mMultiple Airlines

Fri 12/198:35 pmICN - BOI

1 stop19h 02mMultiple Airlines

Deal found 10/28

$1,279

Fri 12/126:20 amBOI - ICN

2 stops31h 20mUnited Airlines

Fri 12/196:00 pmICN - BOI

2 stops20h 30mUnited Airlines

Deal found 10/28

$1,315

Mon 12/226:55 pmBOI - ICN

1 stop29h 20mUnited Airlines

Mon 1/1212:45 pmICN - BOI

2 stops23h 06mUnited Airlines

Deal found 10/29

$1,346

Best flights from Idaho to South Korea
Discover carefully curated flight deals from Idaho to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

Mon 11/107:00 pmBOI - ICN

1 stop18h 40mUnited Airlines

Tue 11/1812:45 pmICN - BOI

1 stop22h 09mUnited Airlines

Deal found 10/28

$837

Sat 11/86:28 amBOI - ICN

1 stop20h 07mAlaska Airlines

Sun 11/168:35 pmICN - BOI

1 stop17h 45mAlaska Airlines

Deal found 10/28

$837

Sat 1/105:53 pmGEG - ICN

2 stops48h 42mMultiple Airlines

Wed 1/286:55 pmICN - GEG

1 stop37h 30mMultiple Airlines

Deal found 10/28

$877

Sat 11/86:00 amBOI - ICN

2 stops18h 30mDelta

Sun 11/168:05 pmICN - BOI

2 stops20h 30mDelta

Deal found 10/28

$896

Sun 1/1810:00 amBOI - GMP

2 stops20h 05mJapan Airlines

Thu 2/512:05 pmGMP - BOI

2 stops19h 05mJapan Airlines

Deal found 10/28

$1,429

Mon 11/106:20 amBOI - GMP

2 stops48h 10mANA

Tue 11/1812:25 pmGMP - BOI

2 stops41h 19mANA

Deal found 10/28

$1,518

Sat 11/82:11 pmBOI - ICN

2 stops23h 29mUnited Airlines

Sun 11/166:00 pmICN - BOI

1 stop21h 28mUnited Airlines

Deal found 10/28

$841

Thu 1/299:02 amBOI - ICN

1 stop17h 33mAlaska Airlines

Sun 2/18:35 pmICN - BOI

1 stop18h 26mAlaska Airlines

Deal found 10/27

$861

Fri 11/146:57 pmIDA - ICN

2 stops29h 33mDelta

Mon 11/248:05 pmICN - IDA

2 stops18h 14mDelta

Deal found 10/29

$896

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

Wed 3/256:15 amIDA - ICN

1 stop21h 20mAlaska Airlines

Wed 4/18:35 pmICN - IDA

1 stop17h 00mAlaska Airlines

Deal found 10/28

$861

Sat 1/105:53 pmGEG - GMP

2 stops35h 12mMultiple Airlines

Wed 1/2812:05 pmGMP - GEG

2 stops20h 20mMultiple Airlines

Deal found 10/28

$952

Thu 2/266:00 amIDA - ICN

2 stops18h 30mDelta

Mon 3/27:30 pmICN - IDA

2 stops18h 51mDelta

Deal found 10/27

$965

Sun 1/1810:00 amBOI - ICN

1 stop16h 35mAlaska Airlines

Thu 2/58:35 pmICN - BOI

1 stop19h 24mAlaska Airlines

Deal found 10/28

$880

Wed 3/256:00 amIDA - ICN

2 stops19h 30mDelta

Wed 4/17:20 pmICN - IDA

2 stops18h 01mDelta

Deal found 10/28

$965

Sat 1/101:48 pmGEG - ICN

2 stops22h 52mUnited Airlines

Wed 1/2812:45 pmICN - GEG

2 stops19h 36mUnited Airlines

Deal found 10/28

$984

Sun 3/88:00 amIDA - ICN

1 stop19h 35mAlaska Airlines

Sat 3/148:35 pmICN - IDA

1 stop17h 03mAlaska Airlines

Deal found 10/28

$899

Thu 3/267:21 pmGEG - ICN

1 stop29h 09mDelta

Tue 4/77:20 pmICN - GEG

1 stop19h 25mDelta

Deal found 10/29

$980

Thu 3/2611:35 amGEG - ICN

1 stop15h 00mAlaska Airlines

Fri 3/278:35 pmICN - GEG

1 stop19h 38mAlaska Airlines

Deal found 10/29

$905

Fri 2/137:00 amGEG - ICN

1 stop16h 15mUnited Airlines

Sun 2/2212:45 pmICN - GEG

2 stops25h 32mUnited Airlines

Deal found 10/27

$1,004

Fri 2/137:15 amGEG - ICN

1 stop16h 15mDelta

Sun 2/228:05 pmICN - GEG

1 stop17h 58mDelta

Deal found 10/27

$1,000

Fri 12/128:25 amBOI - GMP

2 stops21h 40mMultiple Airlines

Fri 12/198:00 amGMP - BOI

2 stops31h 02mMultiple Airlines

Deal found 10/28

$1,441

Thu 3/269:30 amGEG - GMP

2 stops20h 35mJapan Airlines

Tue 4/77:55 amGMP - GEG

2 stops22h 48mJapan Airlines

Deal found 10/29

$1,662

Sun 4/196:48 amBOI - GMP

2 stops48h 32mANA

Thu 4/2312:40 pmGMP - BOI

2 stops42h 51mANA

Deal found 10/27

$1,745

Mon 1/1910:00 amBOI - GMP

2 stops20h 05mJapan Airlines

Thu 2/512:05 pmGMP - BOI

2 stops19h 05mJapan Airlines

Deal found 10/28

$1,929

Mon 12/227:00 amBOI - GMP

2 stops23h 05mMultiple Airlines

Mon 1/128:00 amGMP - BOI

2 stops21h 07mMultiple Airlines

Deal found 10/28

$3,031

Fri 3/137:33 amBOI - GMP

2 stops23h 32mMultiple Airlines

Thu 3/198:00 amGMP - BOI

2 stops19h 08mMultiple Airlines

Deal found 10/28

$3,165

Fri 2/135:41 pmGEG - GMP

2 stops24h 14mMultiple Airlines

Sun 2/2212:05 pmGMP - GEG

2 stops21h 04mMultiple Airlines

Deal found 10/28

$6,443

Last-minute flights from Idaho to South Korea
Discover last-minute flight deals from Idaho to South Korea. Data last updated October 30, 2025 and is based on user searches.

Sat 11/86:28 amBOI - ICN

1 stop20h 07mAlaska Airlines

Sun 11/168:35 pmICN - BOI

1 stop17h 45mAlaska Airlines

Deal found 10/28

$837

Sat 11/86:00 amBOI - ICN

2 stops18h 30mDelta

Sun 11/168:05 pmICN - BOI

2 stops20h 30mDelta

Deal found 10/28

$896

Mon 11/107:00 pmBOI - ICN

1 stop18h 40mUnited Airlines

Tue 11/186:00 pmICN - BOI

2 stops19h 36mUnited Airlines

Deal found 10/28

$841

Mon 11/106:20 amBOI - GMP

2 stops48h 10mANA

Tue 11/1812:25 pmGMP - BOI

2 stops41h 19mANA

Deal found 10/28

$1,518

Mon 11/108:50 amBOI - ICN

2 stops40h 25mQatar Airways

Mon 11/1712:20 amICN - BOI

2 stops62h 12mQatar Airways

Deal found 10/28

$1,964

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

Fri 11/146:57 pmIDA - ICN

2 stops29h 33mDelta

Mon 11/248:05 pmICN - IDA

2 stops18h 14mDelta

Deal found 10/29

$896

Fri 11/141:58 pmIDA - ICN

1 stop34h 47mAmerican Airlines

Mon 11/247:15 pmICN - IDA

1 stop34h 12mAmerican Airlines

Deal found 10/28

$1,193

Fri 11/141:58 pmIDA - ICN

2 stops35h 17mQatar Airways

Sun 11/2312:20 amICN - IDA

2 stops39h 39mQatar Airways

Deal found 10/28

$2,379

Fri 11/217:05 amGEG - ICN

1 stop16h 25mDelta

Fri 11/288:05 pmICN - GEG

1 stop17h 56mDelta

Deal found 10/30

$1,173

Fri 11/216:00 amGEG - ICN

1 stop17h 30mDelta

Sun 11/308:05 pmICN - GEG

1 stop29h 31mDelta

Deal found 10/28

$1,229

Sat 11/227:05 amGEG - ICN

1 stop16h 25mDelta

Sun 11/308:05 pmICN - GEG

1 stop29h 31mDelta

Deal found 10/28

$1,199

One-way flights from Idaho to South Korea
Search for one-way flight options from Idaho to South Korea. Find affordable one-way fares based on user searches. Data last updated October 30, 2025.

Wed 11/197:30 amBOI - ICN

1 stop17h 00mDelta

Deal found 10/28

$451

Wed 11/198:08 amBOI - GMP

2 stops21h 57mMultiple Airlines

Deal found 10/28

$3,714

Cheap flight deals from Idaho to South Korea

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$837 (United Airlines)
One-way from	$451 (Delta)

Provider with most accurate pricing for Boise Air Term. Gowen Fld-Seoul (SEL) flight deals.

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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Seoul (SEL) flights.

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From Idaho to South Korea

Search Deals

One-way flight from Idaho to South Korea

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 11/10

7:00 pm-5:40 am

1 stop18h 40m

Incheon Intl

Tue 11/18

12:45 pm-6:54 pm

1 stop22h 09m

$837

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 11/8

6:28 am-6:35 pm

1 stop20h 07m

Incheon Intl

Sun 11/16

8:35 pm-10:20 pm

1 stop17h 45m

$837

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 11/8

2:11 pm-5:40 am

2 stops23h 29m

Incheon Intl

Sun 11/16

6:00 pm-11:28 pm

1 stop21h 28m

$841

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

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

9:02 am-6:35 pm

1 stop17h 33m

Incheon Intl

Sun 2/1

8:35 pm-11:01 pm

1 stop18h 26m

$861

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

5:53 pm-11:35 am

2 stops48h 42m

Incheon Intl

Wed 1/28

6:55 pm-3:25 pm

1 stop37h 30m

$877

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 1/18

10:00 am-6:35 pm

1 stop16h 35m

Incheon Intl

Thu 2/5

8:35 pm-11:59 pm

1 stop19h 24m

$880

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 11/8

6:00 am-4:30 pm

2 stops18h 30m

Incheon Intl

Sun 11/16

8:05 pm-12:35 am

2 stops20h 30m

$896

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 30 results

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?

A simple way to save on the total cost of your ticket is to fly from Idaho to South Korea in the afternoon. If you’re flexible enough to do this you can expect to save up to 58% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Idaho to South Korea?

Travelers seeking maximum savings on their Idaho to South Korea flight should consider departing on Monday afternoons when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

How long is the flight from Idaho to South Korea?
For as low as $837, United Airlines can have you in South Korea from Idaho in 18h 40m. Idaho and South Korea are separated by a distance of 5598 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

South Korea car rentals

Jeju-do car rentals

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Jeju City car rentals

Top airline flying from Idaho to South Korea

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$940	Average$1,455	FlexibilityNo cancel fee	On-timeN/A

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$451+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Idaho to South Korea

Cheapest flights from Idaho to South KoreaExplore 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 October 30, 2025.

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 October 30, 2025.

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 October 30, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho to South Korea that are best for you.

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.

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 October 30, 2025.

What is the cheapest day to fly from Idaho to South Korea?

Use this chart to determine the cheapest time to fly round-trip from Idaho to South Korea. Price data was last updated on December 16, 2024.

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.

How long is the flight from Idaho to South Korea?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to South Korea

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Idaho to South Korea

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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 October 30, 2025.