₩779,700 Cheap Flights from Idaho Falls (IDA) to Seoul (ICN)

View ₩779,700 flight on Thu, Apr 16, 2026Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Incheon Intl. Airport (ICN)

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Cheap Flights from Idaho Falls to Seoul (IDA-ICN)

Prices were available within the past 7 days and start at ₩779,700 for one-way flights and ₩1,635,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 2 - Thu, May 21
IDA
Idaho Falls
ICN
Seoul
₩1,635,900 Roundtrip, found 4 hours ago
₩1,635,900
Roundtrip
found 4 hours ago
Select United flight, departing Sat, May 2 from Idaho Falls to Seoul, returning Thu, May 21, priced at ₩1,635,900 found 4 hours ago
United
Sat, May 9 - Sat, May 23
IDA
Idaho Falls
ICN
Seoul
₩1,794,700 Roundtrip, found 4 hours ago
₩1,794,700
Roundtrip
found 4 hours ago
Select United flight, departing Sat, May 9 from Idaho Falls to Seoul, returning Sat, May 23, priced at ₩1,794,700 found 4 hours ago
Alaska Airlines
Thu, May 7 - Mon, May 18
IDA
Idaho Falls
ICN
Seoul
₩1,803,600 Roundtrip, found 4 hours ago
₩1,803,600
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Thu, May 7 from Idaho Falls to Seoul, returning Mon, May 18, priced at ₩1,803,600 found 4 hours ago
Delta
Mon, May 4 - Sat, May 16
IDA
Idaho Falls
ICN
Seoul
₩1,803,600 Roundtrip, found 4 hours ago
₩1,803,600
Roundtrip
found 4 hours ago
Select Delta flight, departing Mon, May 4 from Idaho Falls to Seoul, returning Sat, May 16, priced at ₩1,803,600 found 4 hours ago
American Airlines
Fri, May 1 - Wed, May 20
IDA
Idaho Falls
ICN
Seoul
₩1,848,200 Roundtrip, found 4 hours ago
₩1,848,200
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, May 1 from Idaho Falls to Seoul, returning Wed, May 20, priced at ₩1,848,200 found 4 hours ago
United
Sat, May 16 - Sat, May 23
IDA
Idaho Falls
ICN
Seoul
₩1,868,900 Roundtrip, found 4 hours ago
₩1,868,900
Roundtrip
found 4 hours ago
Select United flight, departing Sat, May 16 from Idaho Falls to Seoul, returning Sat, May 23, priced at ₩1,868,900 found 4 hours ago
United
Tue, Jun 30 - Tue, Jul 14
IDA
Idaho Falls
ICN
Seoul
₩1,871,900 Roundtrip, found 4 hours ago
₩1,871,900
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Jun 30 from Idaho Falls to Seoul, returning Tue, Jul 14, priced at ₩1,871,900 found 4 hours ago
American Airlines
Fri, May 1 - Sat, May 16
IDA
Idaho Falls
ICN
Seoul
₩1,873,400 Roundtrip, found 4 hours ago
₩1,873,400
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, May 1 from Idaho Falls to Seoul, returning Sat, May 16, priced at ₩1,873,400 found 4 hours ago
United
Tue, May 12 - Mon, Aug 24
IDA
Idaho Falls
ICN
Seoul
₩1,876,400 Roundtrip, found 4 hours ago
₩1,876,400
Roundtrip
found 4 hours ago
Select United flight, departing Tue, May 12 from Idaho Falls to Seoul, returning Mon, Aug 24, priced at ₩1,876,400 found 4 hours ago
Alaska Airlines
Thu, May 14 - Wed, May 27
IDA
Idaho Falls
ICN
Seoul
₩1,877,900 Roundtrip, found 4 hours ago
₩1,877,900
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Thu, May 14 from Idaho Falls to Seoul, returning Wed, May 27, priced at ₩1,877,900 found 4 hours ago

Frequently asked questions

How much is a flight from Idaho Falls Regional Airport to Incheon Intl. Airport (ICN)?
Start packing your bags, because round-trip flights between IDA and Incheon Intl. Airport (ICN) start from ₩1,635,900. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Idaho Falls Regional Airport (IDA) to Incheon Intl. Airport (ICN)?
The majority of flights can be conveniently canceled online, but whether you incur a fee all comes down to your airline. If you do need to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Idaho Falls Regional Airport (IDA) to ICN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for IDA to Seoul–Incheon Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Idaho Falls Regional Airport (IDA) to ICN?
Idaho Falls to South Korea is around 9,300 kilometers, so get ready to spend a while in the air. Make sure you pack all the essentials, from your earplugs to your eye mask. Toss in a couple of snacks to nibble on throughout your flight too.
Which airlines fly direct from Idaho Falls Regional Airport (IDA) to Incheon Intl. Airport (ICN)?
Flying nonstop between IDA and Incheon Intl. Airport (ICN) isn't possible at the moment. However, you'll still be able to find a flight to South Korea with at least one stop.
Are IDA to ICN flight tickets cheaper when they're purchased at the last minute?
It is possible to score a great last-minute deal from Idaho Falls Regional Airport (IDA) to Incheon Airport, but it's also possible to miss out entirely! As many airlines publish prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals regularly, so you can rest assured you're always seeing the latest offers.

Travel information

Origin airport
Idaho Falls Regional
Destination airport
Incheon Intl.
Roundtrip price
₩1,635,900
Distance
9199 km

Book with confidence

Idaho Falls to Incheon Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Idaho Falls to Incheon will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Incheon.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with IDA to ICN flights that won’t make your bank account wince. Ready to temporarily leave behind Idaho Falls for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ICN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Idaho Falls to Incheon Flights
*Available to Expedia members.