How long is the flight from Idaho Falls to South Korea?

A quick flight from Idaho Falls to South Korea can take about 21h 05m. United Airlines provides one of the quickest options available for as low as $945. Idaho Falls and South Korea are separated by a distance of 5746 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Idaho Falls to South Korea one-way?

$508 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Korean Air and United Airlines, with prices starting from $637 and $653, respectively.

What is the cheapest month to book a flight from Idaho Falls to South Korea?

Currently, February is the cheapest month in which you can book a flight from Idaho Falls to South Korea (average of $992). Flying from Idaho Falls to South Korea 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.

In terms of precipitation, rainfall in South Korea 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 South Korea when rainfall is around 0.8 in.

If weather is an important factor for your trip to South Korea, 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).

What airport do you fly from for flights from Idaho Falls to South Korea?

Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to South Korea from Idaho Falls.

Can I find deals for flights from Idaho Falls to South Korea that include hotel bookings?

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

How can I find direct flights from Idaho Falls to South Korea?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to South Korea.

Can I find deals for business class flights from Idaho Falls to South Korea?

Yes. Cheapflights offers flight deals from Idaho Falls to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$488+ Cheap Flights from Idaho Falls to South Korea

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Cheap flight deals from Idaho Falls to South Korea

Round-trip from	$945 (United Airlines)
One-way from	$488 (Kiwi.com)

From Idaho Falls Fanning Field to South Korea

Search Deals

One-way flight from Idaho Falls Fanning Field to South Korea

Search Deals

Find flight deals from Idaho Falls to South Korea

Cheapest flights from Idaho Falls to South Korea
Explore the most affordable flight options available from Idaho Falls to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

Thu 9/184:15 pmIDA - ICN

2 stops21h 05mUnited Airlines

Thu 9/254:50 pmICN - IDA

2 stops31h 58mUnited Airlines

Deal found 8/21

$945

Thu 9/186:13 amIDA - ICN

1 stop21h 22mAlaska Airlines

Thu 9/258:35 pmICN - IDA

1 stop17h 04mAlaska Airlines

Deal found 8/21

$1,072

Best flights from Idaho Falls to South Korea
Discover carefully curated flight deals from Idaho Falls to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2025.

Thu 9/184:15 pmIDA - ICN

2 stops21h 05mUnited Airlines

Thu 9/254:50 pmICN - IDA

2 stops31h 58mUnited Airlines

Deal found 8/21

$945

Thu 9/186:13 amIDA - ICN

1 stop21h 22mAlaska Airlines

Thu 9/258:35 pmICN - IDA

1 stop17h 04mAlaska Airlines

Deal found 8/21

$1,072

Last-minute flights from Idaho Falls to South Korea
Discover last-minute flight deals from Idaho Falls to South Korea. Data last updated August 21, 2025 and is based on user searches.

Thu 9/184:15 pmIDA - ICN

2 stops21h 05mUnited Airlines

Thu 9/254:50 pmICN - IDA

2 stops31h 58mUnited Airlines

Deal found 8/21

$945

Thu 9/186:13 amIDA - ICN

1 stop21h 22mAlaska Airlines

Thu 9/258:35 pmICN - IDA

1 stop17h 04mAlaska Airlines

Deal found 8/21

$1,072

One-way flights from Idaho Falls to South Korea
Search for one-way flight options from Idaho Falls to South Korea. Find affordable one-way fares based on user searches. Data last updated August 21, 2025.

Fri 9/2610:55 pmIDA - ICN

3 stops55h 50mMultiple Airlines

Deal found 8/21

$488

Thu 9/186:13 amIDA - ICN

1 stop21h 22mAlaska Airlines

Deal found 8/21

$508

Fri 9/266:00 amIDA - ICN

1 stop18h 20mKorean Air

Deal found 8/21

$637

Thu 9/184:15 pmIDA - ICN

2 stops21h 05mUnited Airlines

Deal found 8/21

$653

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 9/18

4:15 pm-4:20 am

2 stops21h 05m

Incheon Intl

Thu 9/25

4:50 pm-9:48 am

2 stops31h 58m

$945

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 9/18

6:13 am-6:35 pm

1 stop21h 22m

Incheon Intl

Thu 9/25

8:35 pm-10:39 pm

1 stop17h 04m

$1,072

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Fri 9/26

10:55 pm-9:45 pm

3 stops55h 50m

$488

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 9/18

6:13 am-6:35 pm

1 stop21h 22m

$508

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Fri 9/26

6:00 am-3:20 pm

1 stop18h 20m

$637

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 9/18

4:15 pm-4:20 am

2 stops21h 05m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Best time to book a flight from Idaho Falls to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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 South Korea

What is the cheapest time of day to fly from IDA to KR?

When flying from Idaho Falls to South Korea, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing South Korea

Get a feel of what it's like to fly with Delta from Idaho Falls to South Korea by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

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

7,981 reviews

Delta

8.0

Very good

7,981 reviews

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

What airport do you fly from for flights from Idaho Falls to South Korea?
Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to South Korea from Idaho Falls.
How long is the flight from Idaho Falls to South Korea?
A quick flight from Idaho Falls to South Korea can take about 21h 05m. United Airlines provides one of the quickest options available for as low as $945. Idaho Falls and South Korea are separated by a distance of 5746 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Idaho Falls to South Korea one-way?
$508 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Korean Air and United Airlines, with prices starting from $637 and $653, respectively.
Can I find deals for flights from Idaho Falls to South Korea that include hotel bookings?
Yes. In addition to deals on Idaho Falls to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to South Korea?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to South Korea.
Can I find deals for business class flights from Idaho Falls to South Korea?
Yes. Cheapflights offers flight deals from Idaho Falls to South Korea 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 South Korea?
Currently, February is the cheapest month in which you can book a flight from Idaho Falls to South Korea (average of $992). Flying from Idaho Falls to South Korea 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

South Korea car rentals

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Seoul car rentals

Top airline flying from Idaho Falls to South Korea

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$1,122	Average$1,479	FlexibilityNo cancel fee	On-timeN/A

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$488+ Cheap flights from Idaho Falls (IDA) to South Korea

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.

Find cheap flights from Idaho Falls to South Korea with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho Falls to South Korea

Keep the following information in mind while searching for Idaho Falls to South Korea flight deals. Data was last updated August 21, 2025.

Round-trip from

One-way from

Find flight deals from Idaho Falls to South Korea

Cheapest flights from Idaho Falls to South KoreaExplore the most affordable flight options available from Idaho Falls to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

Explore the most affordable flight options available from Idaho Falls to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to South Korea that are best for you.

Best time to book a flight from Idaho Falls to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Idaho Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to South Korea

What is the cheapest time of day to fly from IDA to KR?

Find hourly flight availability from Idaho Falls to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

Reviews of airlines servicing South Korea

Get a feel of what it's like to fly with Delta from Idaho Falls to South Korea by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to South Korea. 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 South Korea?

How long is the flight from Idaho Falls to South Korea?

What are the cheapest airlines to fly from Idaho Falls to South Korea one-way?

Can I find deals for flights from Idaho Falls to South Korea that include hotel bookings?

How can I find direct flights from Idaho Falls to South Korea?

Can I find deals for business class flights from Idaho Falls to South Korea?

What is the cheapest month to book a flight from Idaho Falls to South Korea?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho Falls to South Korea

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Idaho Falls to South Korea

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Idaho Falls to South Korea
Explore the most affordable flight options available from Idaho Falls to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.