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Incheon Intl

$820+ Cheap flights from Idaho Falls (IDA) to Incheon Intl (ICN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — ICN
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Idaho Falls to Incheon Intl

Cheapest flights from Idaho Falls to Incheon Intl
Explore the most affordable flight options available from Idaho Falls to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/256:00 am
IDA
-
ICN
1 stop21h 35m
Multiple Airlines
Wed 4/18:35 pm
ICN
-
IDA
1 stop17h 17m
Multiple Airlines
Deal found 2/10$820
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 3/285:59 pm
IDA
-
ICN
1 stop33h 36m
Multiple Airlines
Sat 4/48:35 pm
ICN
-
IDA
1 stop17h 17m
Multiple Airlines
Deal found 2/11$883
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 2/10$945
This Delta deal was found by Cheapflights users on 2/10. 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 9/196:10 am
IDA
-
ICN
1 stop18h 10m
Delta
Wed 10/77:20 pm
ICN
-
IDA
1 stop17h 59m
Delta
Deal found 2/10$977
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Wed 3/252:35 pm
IDA
-
ICN
2 stops23h 05m
United Airlines
Wed 4/14:50 pm
ICN
-
IDA
2 stops32h 03m
United Airlines
Deal found 2/9$1,031
This Delta deal was found by Cheapflights users on 2/9. 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 3/251:10 pm
IDA
-
ICN
2 stops36h 20m
Delta
Wed 4/17:20 pm
ICN
-
IDA
1 stop17h 56m
Delta
Deal found 2/9$1,100
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 3/285:30 pm
IDA
-
ICN
2 stops43h 50m
United Airlines
Sat 4/411:30 am
ICN
-
IDA
2 stops40h 54m
United Airlines
Deal found 2/11$1,158

Find flight deals from Idaho Falls to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 12, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$820
(Alaska Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Incheon Intl flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Incheon Intl flights.
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From Idaho Falls Fanning Field to Incheon Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 12, 2026.
Use the filters below to find and compare flights from Idaho Falls to Incheon Intl Airport that are best for you.

Fly from

Idaho Falls

Fly to

Incheon Intl

Route

Depart

Return

Price

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:00 am-6:35 pm

1 stop21h 35m

Incheon Intl

Wed 4/1

8:35 pm-10:52 pm

1 stop17h 17m

$820

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sat 3/28

5:59 pm-6:35 pm

1 stop33h 36m

Incheon Intl

Sat 4/4

8:35 pm-10:52 pm

1 stop17h 17m

$883

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

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

2:35 pm-4:40 am

2 stops23h 05m

Incheon Intl

Wed 4/1

4:50 pm-9:53 am

2 stops32h 03m

$1,031

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

1:10 pm-4:30 pm

2 stops36h 20m

Incheon Intl

Wed 4/1

7:20 pm-10:16 pm

1 stop17h 56m

$1,100

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sat 3/28

5:30 pm-4:20 am

2 stops43h 50m

Incheon Intl

Sat 4/4

11:30 am-1:24 pm

2 stops40h 54m

$1,158

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

  • Most accurate provider: When it comes to deals on Idaho Falls-Incheon Intl Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Idaho Falls-Incheon Intl Airport flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from Idaho Falls-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Incheon Intl Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Incheon Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Idaho Falls 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to Incheon Intl?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly out of when you book flights from Idaho Falls to Incheon Intl. 0 airlines have flights from Fanning Field to Incheon Intl on a regular basis. Booking flights from Idaho Falls Fanning Field to Incheon Intl should not be difficult; the airport handles an average of 0 outbound flights to Incheon Intl per day.

  • How long is the flight from Idaho Falls to Incheon Intl Airport?

    Departing from Idaho Falls to Incheon Intl Airport will take you 23h 05m. Idaho Falls and Incheon Intl Airport are separated by a distance of 5746 mi.

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho Falls 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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