Incheon Intl

$470+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ICN
Mar 3 — Mar 101
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Cheap 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 February 1, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/29. 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.
Sun 2/226:28 am
BOI
-
ICN
1 stop20h 07m
Multiple Airlines
Thu 2/268:35 pm
ICN
-
BOI
1 stop19h 24m
Multiple Airlines
Deal found 1/29$822
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 3/111:54 am
BOI
-
ICN
1 stop14h 41m
Multiple Airlines
Fri 3/68:35 pm
ICN
-
BOI
1 stop14h 57m
Multiple Airlines
Deal found 1/30$880
This SmartFares deal was found by Cheapflights users on 1/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:27 pm
BOI
-
ICN
1 stop16h 53m
Multiple Airlines
Sat 3/79:00 pm
ICN
-
BOI
1 stop13h 22m
Multiple Airlines
Deal found 1/30$891
This BusinessClass deal was found by Cheapflights users on 1/29. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/137:05 am
GEG
-
ICN
1 stop18h 30m
Multiple Airlines
Sun 2/228:35 pm
ICN
-
GEG
1 stop20h 24m
Multiple Airlines
Deal found 1/29$897
This BusinessClass deal was found by Cheapflights users on 1/30. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/511:58 am
BOI
-
ICN
1 stop15h 37m
Multiple Airlines
Mon 4/138:35 pm
ICN
-
BOI
1 stop30h 47m
Multiple Airlines
Deal found 1/30$914
This Asiana Airlines deal was found by Cheapflights users on 2/1. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:47 pm
GEG
-
ICN
1 stop19h 13m
Multiple Airlines
Thu 9/179:00 pm
ICN
-
GEG
1 stop14h 46m
Multiple Airlines
Deal found 2/1$914
This Delta deal was found by Cheapflights users on 1/30. 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.
Sun 3/16:35 pm
BOI
-
ICN
2 stops29h 55m
Delta
Tue 3/317:20 pm
ICN
-
BOI
1 stop17h 51m
Delta
Deal found 1/30$921
This Delta deal was found by Cheapflights users on 1/30. 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.
Sun 10/185:40 am
BOI
-
ICN
1 stop20h 40m
Delta
Sat 10/247:20 pm
ICN
-
BOI
1 stop19h 44m
Delta
Deal found 1/30$927
This Delta deal was found by Cheapflights users on 1/30. 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.
Wed 9/306:00 am
BOI
-
ICN
2 stops19h 50m
Delta
Wed 10/147:00 pm
ICN
-
BOI
1 stop14h 33m
Delta
Deal found 1/30$931
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Sun 3/15:24 pm
BOI
-
ICN
2 stops30h 51m
United Airlines
Fri 3/66:00 pm
ICN
-
BOI
2 stops19h 59m
United Airlines
Deal found 1/30$932
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 9/141:45 pm
GEG
-
ICN
2 stops22h 35m
United Airlines
Thu 9/174:50 pm
ICN
-
GEG
1 stop22h 48m
United Airlines
Deal found 1/30$933
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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.
Sun 2/228:00 am
IDA
-
ICN
1 stop18h 35m
Multiple Airlines
Thu 2/268:35 pm
ICN
-
IDA
1 stop19h 01m
Multiple Airlines
Deal found 1/30$945

Find 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 February 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$822
(Alaska Airlines)

One-way from

$470
(Alaska Airlines)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Seoul (SEL) flights.
From Idaho to Incheon Intl
One-way flight from Idaho to Incheon Intl

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 February 1, 2026.
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

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/22

6:28 am-6:35 pm

1 stop20h 07m

Incheon Intl

Thu 2/26

8:35 pm-11:59 pm

1 stop19h 24m

$822

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 3/1

11:54 am-6:35 pm

1 stop14h 41m

Incheon Intl

Fri 3/6

8:35 pm-7:32 pm

1 stop14h 57m

$880

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 3/2

8:27 pm-5:20 am

1 stop16h 53m

Incheon Intl

Sat 3/7

9:00 pm-6:22 pm

1 stop13h 22m

$891

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 4/5

11:58 am-6:35 pm

1 stop15h 37m

Incheon Intl

Mon 4/13

8:35 pm-12:22 pm

1 stop30h 47m

$914

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 3/1

7:15 pm-4:30 pm

1 stop29h 15m

Incheon Intl

Tue 3/31

7:00 pm-6:43 pm

1 stop14h 43m

$923

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 3/2

6:55 pm-5:40 am

1 stop18h 45m

Incheon Intl

Sat 3/7

6:00 pm-9:59 pm

2 stops19h 59m

$932

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 3/1

5:24 pm-4:15 pm

2 stops30h 51m

Incheon Intl

Fri 3/6

6:00 pm-9:59 pm

2 stops19h 59m

$932

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 2/22

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Thu 2/26

8:35 pm-11:36 pm

1 stop19h 01m

$945

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 3/26

8:28 pm-6:35 pm

1 stop31h 07m

Incheon Intl

Sun 4/5

8:35 pm-7:48 pm

1 stop14h 13m

$947

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Fri 2/13

5:00 am-4:30 pm

1 stop18h 30m

Incheon Intl

Sun 2/22

8:05 pm-12:04 am

1 stop20h 59m

$967

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 24 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
No data available for this route at this time. Please check back soon.

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 $967, Delta can have you in Incheon Intl Airport from Idaho in 18h 30m. The distance from Idaho to Incheon Intl Airport is about 5359 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?

  • 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.

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 February 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$915Average$1,455FlexibilityNo cancel feeOn-timeN/A

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