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Incheon Intl

$861+ 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
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheap 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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$861
(Alaska Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Seoul (SEL) flights.
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From Idaho Falls Fanning Field to Incheon Intl
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Find 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 November 5, 2025.

This Delta deal was found by Cheapflights users on 11/5. 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 11/247:30 pmICN - IDA
2 stops18h 49mDelta
Deal found 11/5$1,009
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 11/143:50 pmIDA - ICN
1 stop34h 45mAlaska Airlines
Mon 11/248:35 pmICN - IDA
1 stop34h 02mAlaska Airlines
Deal found 11/5$1,128
This American Airlines deal was found by Cheapflights users on 11/4. 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 11/141:58 pmIDA - ICN
1 stop34h 47mAmerican Airlines
Mon 11/247:15 pmICN - IDA
1 stop34h 12mAmerican Airlines
Deal found 11/4$1,229
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:05 amIDA - ICN
2 stops43h 10mQatar Airways
Sun 11/2312:20 amICN - IDA
2 stops39h 39mQatar Airways
Deal found 11/4$2,436

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 November 5, 2025.
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

6:15 am-6:35 pm

1 stop21h 20m

Incheon Intl

Wed 4/1

8:35 pm-10:35 pm

1 stop17h 00m

$861

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 2/26

5:25 am-4:30 pm

2 stops19h 05m

Incheon Intl

Mon 3/2

8:05 pm-10:21 pm

2 stops18h 16m

$966

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:00 am-4:30 pm

2 stops19h 30m

Incheon Intl

Wed 4/1

7:20 pm-10:21 pm

2 stops18h 01m

$966

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 2/26

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Mon 3/2

8:35 pm-10:38 pm

1 stop18h 03m

$1,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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 19h 05m. Idaho Falls and Incheon Intl Airport are separated by a distance of 5746 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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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