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Cheap flights from Idaho Falls to Seoul from $455

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Seoul departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Idaho Falls to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
6:04 am - 5:15 pm
IDA
-
ICN
43h 11m
2 stops
Qatar Airways Logo
12:20 am - 11:42 pm
ICN
-
IDA
39h 22m
2 stops
$1,446Qatar Airways
Sun, Nov 8 - Tue, Nov 10
United Airlines Logo
10:35 am - 4:40 am
IDA
-
ICN
27h 05m
2 stops
United Airlines Logo
11:45 am - 3:38 pm
ICN
-
IDA
18h 53m
2 stops
$1,461United Airlines
Mon, Oct 26 - Thu, Oct 29
Korean Air Logo
6:00 am - 4:20 pm
IDA
-
ICN
18h 20m
1 stop
Korean Air Logo
6:35 pm - 6:16 pm
ICN
-
IDA
15h 41m
1 stop
$1,700Korean Air
Sun, Nov 8 - Wed, Nov 11
Alaska Airlines Logo
3:57 pm - 5:35 pm
IDA
-
ICN
58h 38m
2 stops
Alaska Airlines Logo
8:00 pm - 10:59 pm
ICN
-
IDA
17h 59m
1 stop
$2,320Alaska Airlines
Mon, Oct 26 - Thu, Oct 29

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Customize your flight search to find flights from Idaho Falls to Incheon Intl Airport 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, momondo users made 832,500 searches. Data last updated July 30, 2026.
Use the filters below to find and compare flights from Idaho Falls to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 11/8

6:04 am-5:15 pm

2 stops43h 11m

Incheon Intl

Tue 11/10

12:20 am-11:42 pm

2 stops39h 22m

$1,446

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 10/26

10:35 am-4:40 am

2 stops27h 05m

Incheon Intl

Thu 10/29

11:45 am-3:38 pm

2 stops18h 53m

$1,461
Quickest round-trip

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 11/8

6:00 am-4:20 pm

1 stop18h 20m

Incheon Intl

Wed 11/11

6:35 pm-6:16 pm

1 stop15h 41m

$1,700

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 10/26

3:57 pm-5:35 pm

2 stops58h 38m

Incheon Intl

Thu 10/29

8:00 pm-10:59 pm

1 stop17h 59m

$2,320
Cheapest one-way

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 8/24

5:33 pm-6:45 pm

2 stops58h 12m

$455

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 8/20

7:54 pm-8:10 pm

2 stops57h 16m

$473

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Fri 8/21

5:33 pm-8:10 pm

2 stops35h 37m

$478

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 8/17

10:54 pm-7:10 pm

3 stops53h 16m

$494

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 8/19

11:46 am-6:45 pm

3 stops39h 59m

$502

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Tue 8/18

4:14 pm-9:40 pm

2 stops38h 26m

$533

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Idaho Falls to Incheon Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Idaho Falls Fanning Field to Incheon Intl?

American Airlines, Delta, and United Airlines are the most popular carriers operating from Idaho Falls Fanning Field to Incheon Intl

When to book flights from Idaho Falls to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Incheon Intl Airport (IDA to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Incheon Intl Airport

Fastest flight time

27h 05m

Direct flights

None
The fastest flight from Idaho Falls to Incheon Intl Airport takes 27h 05m
There are no direct flights from Idaho Falls to Incheon Intl Airport. There are no popular flight routes from Idaho Falls to Incheon Intl Airport.
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Frequently asked questions about flying from Idaho Falls to Incheon Intl Airport

  • How far is Idaho Falls Fanning Field to Incheon Intl by plane?

    There are 5749.7 mi between Idaho Falls Fanning Field and Incheon Intl. Typically, this will take 27h 05m by plane in normal conditions.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Incheon Intl Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Incheon Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Incheon Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The required travel and health documents for your Incheon Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Incheon Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Daejeon
Suwon
Seongnam
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Seoul?

It is quick and easy to find Idaho Falls to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

Can I find flights from Idaho Falls to Seoul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seoul from Idaho Falls with this policy.

How can momondo help me find flights from Idaho Falls to Seoul?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho Falls to Seoul.

I’m not ready to book a flight from Idaho Falls to Seoul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho Falls to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Sat 8/29
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