$716+ Cheap flights from Idaho Falls (IDA) to South Korea
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
Jan 20 — Jan 271
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Idaho Falls to South Korea with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap 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 December 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 December 21, 2025.
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:09 pmIDA - ICN
2 stops38h 26mMultiple Airlines
Sat 1/108:35 pmICN - IDA
1 stop18h 24mMultiple Airlines
Deal found 12/19![Multiple Airlines logo]()
$2,917
This United Airlines deal was found by Cheapflights users on 12/19. 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 12/202:30 pmIDA - ICN
2 stops33h 45mUnited Airlines
Sat 1/106:00 pmICN - IDA
2 stops31h 56mUnited Airlines
Deal found 12/19![United Airlines logo]()
$3,015
Find 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 December 21, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $716 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to South Korea 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 December 21, 2025.
Use the filters below to find and compare flights from Idaho Falls to South Korea that are best for you.
Fly from
Idaho Falls
Fly to
South Korea
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
$716
Idaho FallsIncheon
IDA - ICN
IDAICN
Idaho Falls Fanning Field
Sun 2/22
5:33 pm-4:15 pm
2 stops30h 42m
Incheon Intl
Thu 2/26
12:45 pm-9:48 am
2 stops37h 03m
$893
Idaho FallsIncheon
IDA - ICN
IDAICN
Idaho Falls Fanning Field
Wed 3/25
2:18 pm-3:55 pm
1 stop34h 37m
Incheon Intl
Wed 4/1
5:25 pm-11:19 pm
2 stops20h 54m
$927
Idaho FallsIncheon
IDA - ICN
IDAICN
Idaho Falls Fanning Field
Wed 3/25
6:59 pm-4:30 pm
2 stops30h 31m
Incheon Intl
Wed 4/1
7:00 pm-10:20 pm
2 stops18h 20m
$977
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?
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 December 21, 2025.
It’s optimal to fly from Idaho Falls to South Korea in the afternoon. By choosing this option you can save up to 80% on the cost of your flight, compared to a flight in the morning.