How long is the flight from Idaho to Seoul?

There are many flights that can get you from Idaho to Seoul in 16h 30m. Fly via American Airlines, United Airlines, or Alaska Airlines to get the fastest option. Airlines will cover 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 Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

If weather is an important factor for your trip to Seoul, 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 35.6 F).

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.

$463+ Cheap Flights from Idaho to Seoul

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheap flight deals from Idaho to Seoul

Round-trip from	$878 (SmartFares)
One-way from	$463 (Kiwi.com)

From Idaho to Seoul (SEL)

Search Deals

One-way flight from Idaho to Seoul (SEL)

Search Deals

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 September 17, 2025.

Tue 10/286:05 pmBOI - ICN

2 stops31h 15mMultiple Airlines

Mon 11/106:55 pmICN - BOI

1 stop19h 13mMultiple Airlines

Deal found 9/16

$879

Wed 10/112:35 pmGEG - ICN

1 stop34h 55mAmerican Airlines

Wed 10/155:45 pmICN - GEG

1 stop33h 58mAmerican Airlines

Deal found 9/16

$880

Fri 10/316:05 amIDA - ICN

1 stop21h 30mHawaiian Airlines

Fri 11/78:35 pmICN - IDA

1 stop19h 24mHawaiian Airlines

Deal found 9/16

$881

Wed 10/112:35 pmGEG - ICN

1 stop34h 55mMultiple Airlines

Wed 10/155:45 pmICN - GEG

2 stops22h 42mMultiple Airlines

Deal found 9/16

$883

Sat 10/252:44 pmBOI - ICN

1 stop22h 56mUnited Airlines

Thu 11/1312:45 pmICN - BOI

1 stop22h 09mUnited Airlines

Deal found 9/16

$892

Sun 10/262:11 pmBOI - ICN

2 stops23h 29mUnited Airlines

Fri 11/76:00 pmICN - BOI

1 stop16h 54mUnited Airlines

Deal found 9/16

$897

Thu 10/164:25 pmBOI - ICN

1 stop35h 10mAlaska Airlines

Thu 10/238:35 pmICN - BOI

1 stop18h 21mAlaska Airlines

Deal found 9/16

$898

Fri 11/76:28 amBOI - ICN

1 stop20h 07mAlaska Airlines

Fri 11/148:35 pmICN - BOI

1 stop17h 45mAlaska Airlines

Deal found 9/15

$899

Fri 10/311:11 pmIDA - ICN

2 stops36h 34mAmerican Airlines

Fri 11/77:15 pmICN - IDA

1 stop34h 13mAmerican Airlines

Deal found 9/16

$902

Thu 10/165:38 pmBOI - ICN

2 stops31h 07mMultiple Airlines

Thu 10/238:35 pmICN - BOI

1 stop14h 41mMultiple Airlines

Deal found 9/16

$917

Fri 10/316:58 pmBOI - ICN

1 stop19h 12mMultiple Airlines

Wed 11/126:55 pmICN - BOI

2 stops19h 25mMultiple Airlines

Deal found 9/16

$934

Wed 10/296:28 amBOI - ICN

2 stops23h 02mMultiple Airlines

Mon 11/106:55 pmICN - BOI

1 stop19h 13mMultiple Airlines

Deal found 9/16

$935

Best flights from Idaho to Seoul
Discover carefully curated flight deals from Idaho to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Wed 10/112:35 pmGEG - ICN

1 stop34h 55mAmerican Airlines

Wed 10/155:45 pmICN - GEG

1 stop33h 58mAmerican Airlines

Deal found 9/16

$880

Wed 10/296:20 amBOI - ICN

1 stop17h 55mUnited Airlines

Wed 11/126:00 pmICN - BOI

1 stop21h 28mUnited Airlines

Deal found 9/16

$892

Sat 11/810:05 amBOI - ICN

1 stop16h 30mAlaska Airlines

Sun 11/168:35 pmICN - BOI

1 stop19h 19mAlaska Airlines

Deal found 9/16

$892

Thu 1/295:30 amBOI - ICN

1 stop21h 05mHawaiian Airlines

Sun 2/18:35 pmICN - BOI

1 stop19h 20mHawaiian Airlines

Deal found 9/15

$892

Thu 2/266:00 amIDA - ICN

2 stops18h 30mDelta

Mon 3/27:30 pmICN - IDA

2 stops18h 51mDelta

Deal found 9/14

$966

Wed 10/12:00 pmGEG - ICN

2 stops33h 30mMultiple Airlines

Wed 10/155:45 pmICN - GEG

2 stops22h 42mMultiple Airlines

Deal found 9/16

$1,052

Wed 10/1511:19 amBOI - GMP

2 stops19h 31mJapan Airlines

Wed 10/227:55 amGMP - BOI

2 stops30h 27mJapan Airlines

Deal found 9/17

$1,687

Thu 10/306:20 amBOI - ICN

1 stop17h 55mUnited Airlines

Thu 11/136:00 pmICN - BOI

1 stop16h 54mUnited Airlines

Deal found 9/16

$892

Thu 1/299:50 amBOI - ICN

1 stop16h 45mAlaska Airlines

Sun 2/18:35 pmICN - BOI

1 stop19h 20mAlaska Airlines

Deal found 9/14

$892

Fri 10/311:11 pmIDA - ICN

2 stops36h 34mAmerican Airlines

Fri 11/77:15 pmICN - IDA

1 stop34h 13mAmerican Airlines

Deal found 9/16

$902

Thu 2/268:00 amIDA - ICN

2 stops41h 15mQatar Airways

Sun 3/112:20 amICN - IDA

2 stops38h 18mQatar Airways

Deal found 9/14

$1,806

Mon 10/276:20 amBOI - ICN

1 stop17h 55mUnited Airlines

Wed 11/1212:45 pmICN - BOI

1 stop19h 18mUnited Airlines

Deal found 9/16

$892

Fri 10/3111:43 amBOI - ICN

1 stop15h 52mAlaska Airlines

Fri 11/78:35 pmICN - BOI

1 stop19h 19mAlaska Airlines

Deal found 9/15

$892

Mon 10/66:10 amGEG - ICN

1 stop18h 20mDelta

Mon 10/137:20 pmICN - GEG

1 stop20h 39mDelta

Deal found 9/15

$1,005

Thu 2/268:00 amIDA - ICN

1 stop18h 35mHawaiian Airlines

Mon 3/28:35 pmICN - IDA

1 stop18h 03mHawaiian Airlines

Deal found 9/15

$1,071

Tue 10/285:17 pmBOI - ICN

2 stops20h 23mUnited Airlines

Mon 11/1012:45 pmICN - BOI

2 stops24h 31mUnited Airlines

Deal found 9/16

$897

Sat 2/218:40 amBOI - GMP

2 stops34h 40mANA

Sat 2/287:45 amGMP - BOI

2 stops48h 46mANA

Deal found 9/15

$2,196

Sun 3/111:15 amGEG - ICN

1 stop36h 15mDelta

Thu 3/58:05 pmICN - GEG

1 stop15h 41mDelta

Deal found 9/14

$1,011

Sun 10/262:11 pmBOI - ICN

2 stops23h 29mUnited Airlines

Wed 11/126:00 pmICN - BOI

1 stop14h 03mUnited Airlines

Deal found 9/16

$897

Fri 10/316:00 amIDA - ICN

2 stops19h 30mDelta

Fri 11/77:30 pmICN - IDA

2 stops33h 03mDelta

Deal found 9/16

$1,027

Thu 2/268:00 amIDA - ICN

1 stop18h 35mAlaska Airlines

Mon 3/28:35 pmICN - IDA

1 stop18h 03mAlaska Airlines

Deal found 9/14

$1,071

Sun 10/265:00 amBOI - ICN

2 stops19h 15mUnited Airlines

Thu 11/136:00 pmICN - BOI

2 stops20h 45mUnited Airlines

Deal found 9/16

$897

Sat 11/221:23 pmGEG - ICN

1 stop34h 07mDelta

Sun 11/308:05 pmICN - GEG

1 stop29h 28mDelta

Deal found 9/15

$1,065

Fri 11/78:41 amBOI - GMP

2 stops21h 24mMultiple Airlines

Fri 11/1412:05 pmGMP - BOI

2 stops26h 57mMultiple Airlines

Deal found 9/15

$1,530

Fri 11/215:05 amGEG - ICN

1 stop18h 25mDelta

Sun 11/308:05 pmICN - GEG

1 stop29h 28mDelta

Deal found 9/15

$1,111

Mon 10/65:05 amGEG - ICN

2 stops31h 15mUnited Airlines

Mon 10/1311:30 amICN - GEG

1 stop15h 09mUnited Airlines

Deal found 9/15

$1,015

Wed 11/198:41 amBOI - GMP

2 stops21h 24mMultiple Airlines

Sun 11/307:40 pmGMP - BOI

2 stops43h 08mMultiple Airlines

Deal found 9/17

$1,701

Mon 3/169:00 amBOI - GMP

2 stops22h 05mMultiple Airlines

Fri 3/2012:25 pmGMP - BOI

2 stops43h 06mMultiple Airlines

Deal found 9/15

$1,896

Sat 12/201:10 pmIDA - ICN

2 stops34h 45mDelta

Fri 12/268:05 pmICN - IDA

2 stops18h 52mDelta

Deal found 9/16

$1,528

Fri 10/318:41 amBOI - GMP

2 stops22h 24mMultiple Airlines

Fri 11/712:05 pmGMP - BOI

2 stops26h 03mMultiple Airlines

Deal found 9/15

$2,068

Last-minute flights from Idaho to Seoul
Discover last-minute flight deals from Idaho to Seoul. Data last updated September 17, 2025 and is based on user searches.

Wed 10/112:35 pmGEG - ICN

1 stop34h 55mAmerican Airlines

Wed 10/155:45 pmICN - GEG

1 stop33h 58mAmerican Airlines

Deal found 9/16

$880

Wed 10/112:35 pmGEG - ICN

1 stop34h 55mMultiple Airlines

Wed 10/155:45 pmICN - GEG

2 stops22h 42mMultiple Airlines

Deal found 9/16

$883

Thu 10/164:25 pmBOI - ICN

1 stop35h 10mAlaska Airlines

Thu 10/238:35 pmICN - BOI

1 stop18h 21mAlaska Airlines

Deal found 9/16

$898

Thu 10/165:38 pmBOI - ICN

2 stops31h 07mMultiple Airlines

Thu 10/238:35 pmICN - BOI

1 stop14h 41mMultiple Airlines

Deal found 9/16

$917

Sat 10/252:44 pmBOI - ICN

1 stop22h 56mUnited Airlines

Mon 11/1012:45 pmICN - BOI

1 stop22h 09mUnited Airlines

Deal found 9/16

$892

Sun 10/266:20 amBOI - ICN

1 stop17h 55mUnited Airlines

Thu 11/136:00 pmICN - BOI

2 stops19h 16mUnited Airlines

Deal found 9/16

$897

Tue 10/286:05 pmBOI - ICN

2 stops31h 15mMultiple Airlines

Mon 11/106:55 pmICN - BOI

1 stop19h 13mMultiple Airlines

Deal found 9/16

$879

Wed 10/296:28 amBOI - ICN

2 stops23h 02mMultiple Airlines

Mon 11/106:55 pmICN - BOI

1 stop19h 13mMultiple Airlines

Deal found 9/16

$935

Fri 10/316:05 amIDA - ICN

1 stop21h 30mHawaiian Airlines

Fri 11/78:35 pmICN - IDA

1 stop19h 24mHawaiian Airlines

Deal found 9/16

$881

Fri 10/311:11 pmIDA - ICN

2 stops36h 34mAmerican Airlines

Fri 11/77:15 pmICN - IDA

1 stop34h 13mAmerican Airlines

Deal found 9/16

$902

Fri 10/316:58 pmBOI - ICN

1 stop19h 12mMultiple Airlines

Wed 11/126:55 pmICN - BOI

2 stops19h 25mMultiple Airlines

Deal found 9/16

$934

Fri 10/319:00 amBOI - ICN

1 stop16h 30mDelta

Fri 11/77:40 pmICN - BOI

1 stop13h 33mDelta

Deal found 9/16

$940

One-way flights from Idaho to Seoul
Search for one-way flight options from Idaho to Seoul. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Tue 10/286:05 amIDA - ICN

2 stops43h 15mMultiple Airlines

Deal found 9/17

$463

Mon 10/1310:34 pmBOI - ICN

2 stops50h 11mMultiple Airlines

Deal found 9/16

$480

Wed 11/196:00 amGEG - ICN

2 stops21h 30mMultiple Airlines

Deal found 9/16

$489

Mon 3/169:00 amBOI - ICN

2 stops43h 25mMultiple Airlines

Deal found 9/15

$503

Sun 3/155:40 amBOI - ICN

1 stop18h 50mDelta

Deal found 9/16

$508

Sun 10/266:00 amIDA - ICN

2 stops19h 30mDelta

Deal found 9/17

$508

Wed 11/195:05 amGEG - ICN

1 stop18h 25mDelta

Deal found 9/16

$508

Mon 10/276:05 amIDA - ICN

1 stop31h 15mMultiple Airlines

Deal found 9/17

$510

Mon 10/276:53 pmIDA - ICN

2 stops30h 37mDelta

Deal found 9/17

$514

Tue 10/283:50 pmIDA - ICN

1 stop35h 45mAlaska Airlines

Deal found 9/17

$520

Sun 10/266:05 amIDA - ICN

3 stops39h 45mMultiple Airlines

Deal found 9/17

$569

Mon 10/139:58 amBOI - GMP

3 stops40h 57mMultiple Airlines

Deal found 9/16

$636

Fly from

Fly to

Route

Depart

Return

Price

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Wed 10/1

12:35 pm-3:30 pm

1 stop34h 55m

Incheon Intl

Wed 10/15

5:45 pm-11:43 am

1 stop33h 58m

$880

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 10/29

6:20 am-3:15 pm

1 stop17h 55m

Incheon Intl

Wed 11/12

6:00 pm-11:28 pm

1 stop21h 28m

$892

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 11/8

10:05 am-6:35 pm

1 stop16h 30m

Incheon Intl

Sun 11/16

8:35 pm-11:54 pm

1 stop19h 19m

$892

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

5:30 am-6:35 pm

1 stop21h 05m

Incheon Intl

Sun 2/1

8:35 pm-11:55 pm

1 stop19h 20m

$892

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 10/30

6:20 am-3:15 pm

1 stop17h 55m

Incheon Intl

Thu 11/13

6:00 pm-6:54 pm

1 stop16h 54m

$892

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

9:50 am-6:35 pm

1 stop16h 45m

Incheon Intl

Sun 2/1

8:35 pm-11:55 pm

1 stop19h 20m

$892

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 10/27

6:20 am-3:15 pm

1 stop17h 55m

Incheon Intl

Wed 11/12

12:45 pm-4:03 pm

1 stop19h 18m

$892

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Fri 10/31

11:43 am-6:35 pm

1 stop15h 52m

Incheon Intl

Fri 11/7

8:35 pm-11:54 pm

1 stop19h 19m

$892

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Tue 10/28

5:17 pm-4:40 am

2 stops20h 23m

Incheon Intl

Mon 11/10

12:45 pm-9:16 pm

2 stops24h 31m

$897

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 10/26

2:11 pm-4:40 am

2 stops23h 29m

Incheon Intl

Wed 11/12

6:00 pm-4:03 pm

1 stop14h 03m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 51 results

...

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 month to book a flight from Idaho to Seoul?

Currently, February is the cheapest month in which you can book a flight from Idaho to Seoul (average of $989). Flying from Idaho to Seoul in December is currently the most expensive (average of $1,621). 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.

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

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

Related info for your journey

How long is the flight from Idaho to Seoul?
There are many flights that can get you from Idaho to Seoul in 16h 30m. Fly via American Airlines, United Airlines, or Alaska Airlines to get the fastest option. Airlines will cover a distance of 5598 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.
What is the cheapest month to book a flight from Idaho to Seoul?
Currently, February is the cheapest month in which you can book a flight from Idaho to Seoul (average of $989). Flying from Idaho to Seoul in December is currently the most expensive (average of $1,621). 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

Top airline flying from Idaho to Seoul

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$940	Average$1,481	FlexibilityNo cancel fee	On-timeN/A

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$463+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho to Seoul with Cheapflights

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3. Compare prices and book

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 September 17, 2025.

Round-trip from

One-way from

Find flight deals from Idaho to Seoul

Cheapest flights from Idaho to SeoulExplore 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 September 17, 2025.

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 September 17, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Seoul

What is the cheapest month to book a 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 September 17, 2025.

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?

What are the most popular routes from Idaho to Seoul?

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

How can I find direct flights from Idaho to Seoul?

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

What is the cheapest month to book a flight from Idaho to Seoul?

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 Seoul

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

Top airline flying from Idaho to Seoul

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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 September 17, 2025.