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Cheap flights from Idaho Falls to Seoul from $632

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 8/19. 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

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Find the cheapest flights from Idaho Falls to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:15 am - 5:30 pm
IDA
-
ICN
20h 15m
1 stop
Alaska Airlines Logo
7:35 pm - 10:39 pm
ICN
-
IDA
18h 04m
1 stop
$1,126Alaska Airlines
Mon, Aug 31 - Fri, Sep 4
United Airlines Logo
4:10 pm - 4:20 am
IDA
-
ICN
21h 10m
2 stops
United Airlines Logo
4:50 pm - 9:53 am
ICN
-
IDA
32h 03m
2 stops
$1,131United Airlines
Mon, Aug 31 - Fri, Sep 4
Alaska Airlines Logo
6:15 am - 5:30 pm
IDA
-
ICN
20h 15m
1 stop
Alaska Airlines Logo
7:35 pm - 3:29 pm
ICN
-
IDA
34h 54m
1 stop
$1,133Alaska Airlines
Mon, Aug 31 - Fri, Sep 4
Alaska Airlines Logo
6:15 am - 5:30 pm
IDA
-
ICN
20h 15m
1 stop
Alaska Airlines Logo
7:35 pm - 10:39 pm
ICN
-
IDA
18h 04m
1 stop
$1,226Alaska Airlines
Mon, Aug 31 - Fri, Sep 4
United Airlines Logo
4:10 pm - 3:00 pm
IDA
-
ICN
31h 50m
2 stops
United Airlines Logo
4:50 pm - 9:53 am
ICN
-
IDA
32h 03m
2 stops
$1,231United Airlines
Mon, Aug 31 - Fri, Sep 4
United Airlines Logo
2:31 pm - 4:20 am
IDA
-
ICN
22h 49m
2 stops
United Airlines Logo
4:50 pm - 9:55 am
ICN
-
IDA
32h 05m
2 stops
$1,509United Airlines
Sat, May 9 - Sat, May 16
Alaska Airlines Logo
4:06 pm - 5:30 pm
IDA
-
ICN
34h 24m
1 stop
Alaska Airlines Logo
7:35 pm - 10:53 pm
ICN
-
IDA
18h 18m
1 stop
$1,553Alaska Airlines
Sat, May 9 - Sat, May 16
Delta Logo
5:45 am - 4:50 pm
IDA
-
ICN
20h 05m
2 stops
Delta Logo
2:30 pm - 10:40 pm
ICN
-
IDA
23h 10m
2 stops
$1,590Delta
Sun, Apr 12 - Sat, Apr 18
Alaska Airlines Logo
6:15 am - 5:30 pm
IDA
-
ICN
20h 15m
1 stop
Alaska Airlines Logo
7:35 pm - 2:27 pm
ICN
-
IDA
33h 52m
2 stops
$1,593Alaska Airlines
Mon, Aug 31 - Fri, Sep 4
Multiple Airlines Logo
5:45 am - 3:20 pm
IDA
-
ICN
18h 35m
1 stop
Multiple Airlines Logo
7:00 pm - 10:52 pm
ICN
-
IDA
18h 52m
1 stop
$1,637Multiple Airlines
Sun, Apr 12 - Sat, Apr 18

Alaska Airlines flights from Idaho Falls to Seoul

Our best Alaska Airlines deals on Idaho Falls to Seoul flight tickets
Alaska Airlines
Aug 31
IDA6:15 amIdaho Falls Fanning Field
20h 15m
1 stop
ICN5:30 pmIncheon Intl
Sep 4
ICN7:35 pmIncheon Intl
18h 04m
1 stop
IDA10:39 pmIdaho Falls Fanning Field
$1,126
Alaska Airlines
Aug 31
IDA6:15 amIdaho Falls Fanning Field
20h 15m
1 stop
ICN5:30 pmIncheon Intl
Sep 4
ICN7:35 pmIncheon Intl
34h 54m
1 stop
IDA3:29 pmIdaho Falls Fanning Field
$1,133
Alaska Airlines
Aug 31
IDA6:15 amIdaho Falls Fanning Field
20h 15m
1 stop
ICN5:30 pmIncheon Intl
Sep 4
ICN7:35 pmIncheon Intl
18h 04m
1 stop
IDA10:39 pmIdaho Falls Fanning Field
$1,226

United Airlines flights from Idaho Falls to Seoul

Our best United Airlines deals on Idaho Falls to Seoul flight tickets
United Airlines
Aug 31
IDA4:10 pmIdaho Falls Fanning Field
21h 10m
2 stops
ICN4:20 amIncheon Intl
Sep 4
ICN4:50 pmIncheon Intl
32h 03m
2 stops
IDA9:53 amIdaho Falls Fanning Field
$1,131
United Airlines
Aug 31
IDA4:10 pmIdaho Falls Fanning Field
31h 50m
2 stops
ICN3:00 pmIncheon Intl
Sep 4
ICN4:50 pmIncheon Intl
32h 03m
2 stops
IDA9:53 amIdaho Falls Fanning Field
$1,231
United Airlines
May 9
IDA2:31 pmIdaho Falls Fanning Field
22h 49m
2 stops
ICN4:20 amIncheon Intl
May 16
ICN4:50 pmIncheon Intl
32h 05m
2 stops
IDA9:55 amIdaho Falls Fanning Field
$1,509

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Seoul 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 March 26, 2026.
Use the filters below to find and compare flights from Idaho Falls to Seoul 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

Mon 8/31

6:15 am-5:30 pm

1 stop20h 15m

Incheon Intl

Fri 9/4

7:35 pm-10:39 pm

1 stop18h 04m

$1,126

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 8/31

4:10 pm-4:20 am

2 stops21h 10m

Incheon Intl

Fri 9/4

4:50 pm-9:53 am

2 stops32h 03m

$1,131

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 8/31

6:15 am-5:30 pm

1 stop20h 15m

Incheon Intl

Fri 9/4

7:35 pm-3:29 pm

1 stop34h 54m

$1,133

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 8/31

6:15 am-5:30 pm

1 stop20h 15m

Incheon Intl

Fri 9/4

7:35 pm-10:39 pm

1 stop18h 04m

$1,226

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 8/31

4:10 pm-3:00 pm

2 stops31h 50m

Incheon Intl

Fri 9/4

4:50 pm-9:53 am

2 stops32h 03m

$1,231

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sat 5/9

2:31 pm-4:20 am

2 stops22h 49m

Incheon Intl

Sat 5/16

4:50 pm-9:55 am

2 stops32h 05m

$1,509

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sat 5/9

4:06 pm-5:30 pm

1 stop34h 24m

Incheon Intl

Sat 5/16

7:35 pm-10:53 pm

1 stop18h 18m

$1,553

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 4/12

5:45 am-4:50 pm

2 stops20h 05m

Incheon Intl

Sat 4/18

2:30 pm-10:40 pm

2 stops23h 10m

$1,590

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 8/31

6:15 am-5:30 pm

1 stop20h 15m

Incheon Intl

Fri 9/4

7:35 pm-2:27 pm

2 stops33h 52m

$1,593
Quickest round-trip

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 4/12

5:45 am-3:20 pm

1 stop18h 35m

Incheon Intl

Sat 4/18

7:00 pm-10:52 pm

1 stop18h 52m

$1,637

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 Seoul

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 Seoul?

United Airlines, Alaska Airlines, and Korean Air are the most popular carriers operating from Idaho Falls Fanning Field to Seoul

When to book flights from Idaho Falls to Seoul

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

Cheap Idaho Falls to Seoul (IDA to SEL) flight deals and tips

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

Fastest flight time

20h 05m

Direct flights

None
The fastest flight from Idaho Falls to Seoul takes 20h 05m
There are no direct flights from Idaho Falls to Seoul. There are no popular flight routes from Idaho Falls to Seoul.
Search flight deals

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

    Idaho Falls Fanning Field and Seoul are 5725.7 mi apart from one another. Flights usually cover this in 20h 05m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Idaho Falls Fanning Field Airport to Seoul are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The necessary travel and health documents for your Seoul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho Falls to Seoul. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Seoul from Idaho Falls which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from Idaho Falls.

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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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport