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Incheon Intl

$1,124+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — ICN
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,124
(United 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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:38 pmIDA - ICN
2 stops22h 42mUnited Airlines
Fri 9/54:50 pmICN - IDA
2 stops19h 04mUnited Airlines
Deal found 4/29$1,124
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:10 amIDA - ICN
1 stop18h 10mDelta
Fri 9/57:40 pmICN - IDA
1 stop13h 32mDelta
Deal found 4/29$1,356
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:15 amIDA - ICN
2 stops43h 50mQatar Airways
Thu 9/41:20 amICN - IDA
2 stops36h 19mQatar Airways
Deal found 4/29$1,517
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/221:47 pmIDA - ICN
1 stop34h 43mAmerican Airlines
Wed 8/135:25 pmICN - IDA
1 stop18h 53mAmerican Airlines
Deal found 4/29$1,676
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:15 amIDA - ICN
1 stop20h 40mMultiple Airlines
Thu 9/41:20 amICN - IDA
2 stops36h 19mMultiple Airlines
Deal found 4/29$2,550

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 April 29, 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

Tue 8/12

2:38 pm-4:20 am

2 stops22h 42m

Incheon Intl

Fri 9/5

4:50 pm-8:54 pm

2 stops19h 04m

$1,124

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Tue 8/12

6:10 am-3:20 pm

1 stop18h 10m

Incheon Intl

Fri 9/5

7:40 pm-6:12 pm

1 stop13h 32m

$1,356

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 5/14

6:00 am-8:30 pm

2 stops23h 30m

Incheon Intl

Sat 5/31

6:20 pm-10:34 pm

1 stop19h 14m

$1,457

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Tue 8/12

6:15 am-5:05 pm

2 stops43h 50m

Incheon Intl

Thu 9/4

1:20 am-10:39 pm

2 stops36h 19m

$1,517

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Tue 7/22

1:47 pm-3:30 pm

1 stop34h 43m

Incheon Intl

Wed 8/13

5:25 pm-9:18 pm

1 stop18h 53m

$1,676

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 5/14

4:35 pm-5:55 pm

1 stop34h 20m

Incheon Intl

Sat 5/31

6:20 pm-10:34 pm

1 stop19h 14m

$1,765

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Incheon Intl Airport

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 April 29, 2025.
Asiana Airlines
8.2
Very good
442 reviews

Comfort

8.0

Food

8.0

Crew

8.5

Overall

8.2

Entertainment

7.7

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Asiana Airlines
8.2
Very good
442 reviews
Asiana Airlines
8.2
Very good
442 reviews

Comfort

8.0

Food

8.0

Crew

8.5

Overall

8.2

Entertainment

7.7

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Delta
8.0
Very good
7,929 reviews
Asiana Airlines
8.2
Very good
442 reviews

Comfort

8.0

Food

8.0

Crew

8.5

Overall

8.2

Entertainment

7.7

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Qatar Airways
7.4
Good
3,563 reviews
Asiana Airlines
8.2
Very good
442 reviews

Comfort

8.0

Food

8.0

Crew

8.5

Overall

8.2

Entertainment

7.7

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
United Airlines
7.4
Good
8,696 reviews
Asiana Airlines
8.2
Very good
442 reviews

Comfort

8.0

Food

8.0

Crew

8.5

Overall

8.2

Entertainment

7.7

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
American Airlines
7.2
Good
10,000 reviews
Asiana Airlines
8.2
Very good
442 reviews

Comfort

8.0

Food

8.0

Crew

8.5

Overall

8.2

Entertainment

7.7

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

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.

  • What are the cheapest airlines flying from Idaho Falls to Incheon Intl Airport round-trip?

    United Airlines, at $1,124, was found to be the cheapest airline from Idaho Falls to Incheon Intl Airport.Alternate airlines to your destination round-trip include Delta and Qatar Airways.

  • 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 $1,001). 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 Idaho Falls?

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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.
Boise to Incheon Intl flights
Spokane to Incheon Intl flights
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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,122Average$1,560FlexibilityNo cancel feeOn-timeN/A

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