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Incheon Intl

$454+ Cheap flights from Idaho Falls (IDA) 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — ICN
Aug 29 — Sep 51
Fri 8/29
Fri 9/5
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 August 24, 2025.

Round-trip from

$966
(Delta)

One-way from

$454
(Kiwi.com)
From Idaho Falls Fanning Field to Incheon Intl
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One-way flight from Idaho Falls Fanning Field to Incheon Intl
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Find flight deals from Idaho Falls to Incheon Intl

Best flights from Idaho Falls to Incheon Intl
Discover carefully curated flight deals from Idaho Falls to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2025.

This Delta deal was found by Cheapflights users on 8/23. 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.
Thu 2/196:00 amIDA - ICN
1 stop18h 20mDelta
Mon 2/238:05 pmICN - IDA
2 stops18h 16mDelta
Deal found 8/23$966
This Hawaiian Airlines deal was found by Cheapflights users on 8/23. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:00 amIDA - ICN
1 stop18h 35mHawaiian Airlines
Mon 2/238:35 pmICN - IDA
1 stop18h 03mHawaiian Airlines
Deal found 8/23$1,106
This Qatar Airways deal was found by Cheapflights users on 8/23. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:00 amIDA - ICN
2 stops41h 15mQatar Airways
Sun 2/2212:20 amICN - IDA
2 stops38h 18mQatar Airways
Deal found 8/23$1,883

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 August 24, 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

Thu 2/19

6:00 am-4:20 pm

1 stop18h 20m

Incheon Intl

Mon 2/23

8:05 pm-10:21 pm

2 stops18h 16m

$966

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 2/19

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Mon 2/23

8:35 pm-10:38 pm

1 stop18h 03m

$1,106

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 2/19

8:00 am-5:15 pm

2 stops41h 15m

Incheon Intl

Sun 2/22

12:20 am-10:38 pm

2 stops38h 18m

$1,883

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Fri 9/26

10:55 pm-6:45 pm

3 stops52h 50m

$454

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Fri 9/26

6:00 am-3:20 pm

1 stop18h 20m

$640

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 9/25

6:00 am-3:20 pm

1 stop18h 20m

$640

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 9/25

2:35 pm-4:20 am

2 stops22h 45m

$653

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 9/25

3:57 pm-11:45 pm

3 stops40h 48m

$704

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 9/25

6:13 am-6:35 pm

1 stop21h 22m

$1,018

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/22

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.

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated August 24, 2025.
Read reviews from past customers who have flown Delta from Idaho Falls to Incheon Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 1 airline 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 18h 20m. 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.

  • What is the cheapest month to book a flight from Idaho Falls to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Idaho Falls to Incheon Intl Airport (average of $992). Flying from Idaho Falls to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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

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
Daejeon

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Alternative routes for Idaho Falls to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Idaho Falls to Incheon Intl

Discover the top airline that operate flights from Idaho Falls 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 August 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,122Average$1,479FlexibilityNo cancel feeOn-timeN/A

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