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Incheon Intl

$391+ Cheap flights from Idaho to Incheon Intl (ICN)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ICN
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Idaho to Incheon Intl

Cheapest flights from Idaho to Incheon Intl
Explore the most affordable flight options available from Idaho to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 11/131:25 pmBOI - ICN
1 stop35h 20mAmerican Airlines
Wed 11/197:15 pmICN - BOI
1 stop19h 17mAmerican Airlines
Deal found 11/1$923
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/212:25 pmGEG - ICN
1 stop39h 05mMultiple Airlines
Fri 12/126:55 pmICN - GEG
2 stops22h 29mMultiple Airlines
Deal found 11/1$923
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/212:33 pmGEG - ICN
1 stop24h 07mUnited Airlines
Wed 12/1012:45 pmICN - GEG
1 stop16h 07mUnited Airlines
Deal found 11/1$927
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 11/171:25 pmBOI - ICN
1 stop35h 20mAmerican Airlines
Thu 11/207:15 pmICN - BOI
1 stop18h 52mAmerican Airlines
Deal found 11/3$946
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 11/132:11 pmBOI - ICN
2 stops23h 29mUnited Airlines
Wed 11/196:00 pmICN - BOI
1 stop14h 03mUnited Airlines
Deal found 11/1$966
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 11/71:25 pmBOI - ICN
1 stop35h 20mAmerican Airlines
Mon 11/107:15 pmICN - BOI
1 stop19h 17mAmerican Airlines
Deal found 11/3$973
This SmartFares deal was found by Cheapflights users on 11/2. 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.
Thu 11/66:28 amBOI - ICN
1 stop20h 07mAlaska Airlines
Sat 11/88:35 pmICN - BOI
1 stop15h 35mAlaska Airlines
Deal found 11/2$982
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/21:47 pmGEG - ICN
2 stops33h 28mUnited Airlines
Fri 12/1212:45 pmICN - GEG
2 stops25h 14mUnited Airlines
Deal found 11/2$982
This Delta deal was found by Cheapflights users on 11/1. 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 11/75:25 amBOI - ICN
1 stop19h 05mDelta
Sun 11/97:40 pmICN - BOI
1 stop20h 55mDelta
Deal found 11/1$1,004
This Delta deal was found by Cheapflights users on 10/31. 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 11/176:00 amGEG - ICN
1 stop17h 30mDelta
Sun 11/238:05 pmICN - GEG
1 stop18h 03mDelta
Deal found 10/31$1,005
This Delta deal was found by Cheapflights users on 11/3. 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 11/79:00 amBOI - ICN
1 stop15h 30mDelta
Mon 11/107:30 pmICN - BOI
2 stops21h 05mDelta
Deal found 11/3$1,009
This Delta deal was found by Cheapflights users on 11/3. 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 11/3$1,009

Cheap flight deals from Idaho to Incheon Intl

Keep the following information in mind while searching for Idaho to Incheon Intl flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$827
(Alaska Airlines)

One-way from

$391
(Kiwi.com)
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 Incheon Intl
Search Deals
One-way flight from Idaho to Incheon Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Incheon Intl 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 November 3, 2025.
Use the filters below to find and compare flights from Idaho to Incheon Intl Airport that are best for you.

Fly from

Idaho

Fly to

Incheon Intl

Route

Depart

Return

Price

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Tue 3/17

3:25 pm-6:35 pm

1 stop35h 10m

Incheon Intl

Thu 4/2

8:35 pm-12:13 am

1 stop19h 38m

$833

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Sun 1/18

9:05 am-6:35 pm

1 stop16h 30m

Incheon Intl

Thu 2/26

8:35 pm-4:54 pm

1 stop13h 19m

$839

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Fri 1/16

10:05 am-6:35 pm

1 stop15h 30m

Incheon Intl

Thu 2/26

8:35 pm-10:44 pm

1 stop19h 09m

$839

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Fri 1/16

10:05 am-6:35 pm

1 stop15h 30m

Incheon Intl

Sat 2/28

8:35 pm-4:54 pm

1 stop13h 19m

$850

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Sun 1/18

5:45 am-6:35 pm

1 stop19h 50m

Incheon Intl

Sat 2/28

8:35 pm-7:44 pm

1 stop16h 09m

$850

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Sat 1/17

10:05 am-6:35 pm

1 stop15h 30m

Incheon Intl

Sat 2/28

8:35 pm-4:54 pm

1 stop13h 19m

$850

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Sat 1/17

10:05 am-6:35 pm

1 stop15h 30m

Incheon Intl

Fri 2/27

8:35 pm-8:59 pm

1 stop17h 24m

$850

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Fri 1/16

10:05 am-6:35 pm

1 stop15h 30m

Incheon Intl

Sun 3/1

8:35 pm-7:44 pm

1 stop16h 09m

$850

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

Thu 1/15

4:59 pm-8:30 pm

1 stop34h 31m

Incheon Intl

Fri 2/27

6:55 pm-11:50 am

2 stops33h 55m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 34 results
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Best time to book a flight from Idaho to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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 Incheon Intl Airport

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

Find hourly flight availability from Idaho to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho to Incheon Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Incheon Intl. 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 Incheon Intl Airport?

    For as low as $966, Alaska Airlines can have you in Incheon Intl Airport from Idaho in 20h 23m. The distance from Idaho to Incheon Intl Airport is about 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 Incheon Intl Airport?

    The most popular flight routes from Idaho to Incheon Intl Airport are Boise Air Term. Gowen Fld - Incheon Intl, Spokane - Incheon Intl and Idaho Falls Fanning Field - Incheon Intl.

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

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

  • How can I find direct flights from Idaho to Incheon Intl?

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

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

    Yes. Cheapflights offers flight deals from Idaho to Incheon Intl 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

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam

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Alternative routes for Idaho to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Seattle to Gimpo Intl flights
Honolulu to Incheon Intl flights
Hobby to Incheon Intl flights
Ontario to Incheon Intl flights
Dulles Intl to Gimpo Intl flights
Las Vegas to Incheon Intl flights
San Jose to Incheon Intl flights
Dallas/Fort Worth to Gimpo Intl flights
Newark to Gimpo Intl flights
Love Field to Incheon Intl flights
O'Hare Intl to Gimpo Intl flights
Orlando to Incheon Intl flights
Minneapolis to Incheon Intl flights
Philadelphia to Incheon Intl flights
Denver to Incheon Intl flights
Santa Ana to Incheon Intl flights
George Bush Intcntl to Incheon Intl flights
Portland to Incheon Intl flights
Midway to Incheon Intl flights
Detroit to Incheon Intl flights
Austin to Incheon Intl flights
George Bush Intcntl to Gimpo Intl flights
Salt Lake City to Incheon Intl flights
Sky Harbor Intl to Incheon Intl flights
San Diego to Incheon Intl flights
Honolulu to Gimpo Intl flights
Boston to Gimpo Intl flights
Baltimore to Gimpo Intl flights
Reagan-National to Gimpo Intl flights
LaGuardia to Gimpo Intl flights
Tampa to Incheon Intl flights
Nashville to Incheon Intl flights

Top airline flying from Idaho to Incheon Intl

Discover the top airline that operate flights from Idaho to Incheon Intl. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$940Average$1,455FlexibilityNo cancel feeOn-timeN/A

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