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Cheap flights from Idaho to Seoul from $502

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 to Seoul departing on 4/19. 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
0 bags

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Find the cheapest flights from Idaho to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:20 pm - 4:55 am
GEG
-
ICN
23h 35m
1 stop
Multiple Airlines Logo
9:20 pm - 10:49 pm
ICN
-
GEG
17h 29m
1 stop
$939Multiple Airlines
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
8:59 pm - 4:45 am
BOI
-
ICN
16h 46m
1 stop
Multiple Airlines Logo
12:40 pm - 1:44 pm
ICN
-
BOI
16h 04m
1 stop
$940Multiple Airlines
Mon, Aug 17 - Wed, Aug 26
Multiple Airlines Logo
8:39 pm - 5:15 am
GEG
-
ICN
16h 36m
1 stop
Multiple Airlines Logo
9:20 pm - 10:38 pm
ICN
-
GEG
17h 18m
1 stop
$948Multiple Airlines
Mon, Sep 14 - Thu, Sep 17
Multiple Airlines Logo
3:34 pm - 5:15 am
GEG
-
ICN
21h 41m
1 stop
Multiple Airlines Logo
8:50 pm - 11:38 pm
ICN
-
GEG
18h 48m
1 stop
$979Multiple Airlines
Thu, Sep 17 - Sat, Sep 26
United Airlines Logo
6:23 am - 3:00 pm
BOI
-
ICN
17h 37m
1 stop
United Airlines Logo
4:50 pm - 7:27 pm
ICN
-
BOI
17h 37m
2 stops
$1,031United Airlines
Mon, Aug 17 - Wed, Aug 26
United Airlines Logo
12:57 pm - 4:20 am
GEG
-
ICN
23h 23m
1 stop
United Airlines Logo
4:50 pm - 9:04 pm
ICN
-
GEG
44h 14m
2 stops
$1,045United Airlines
Mon, Sep 14 - Thu, Sep 17
EVA Air Logo
7:48 pm - 11:00 am
BOI
-
ICN
24h 12m
2 stops
EVA Air Logo
7:45 pm - 12:33 pm
ICN
-
BOI
31h 48m
2 stops
$1,093EVA Air
Sat, Aug 29 - Sun, Sep 13
EVA Air Logo
4:03 pm - 6:45 pm
IDA
-
ICN
35h 42m
2 stops
EVA Air Logo
7:45 pm - 4:29 pm
ICN
-
IDA
35h 44m
2 stops
$1,166EVA Air
Fri, Sep 11 - Sat, Oct 31
Delta Logo
6:10 am - 3:20 pm
IDA
-
ICN
18h 10m
1 stop
Delta Logo
8:05 pm - 1:27 pm
ICN
-
IDA
32h 22m
2 stops
$1,244Delta
Fri, Sep 11 - Sat, Oct 31
American Airlines Logo
12:12 pm - 3:45 pm
IDA
-
ICN
36h 33m
1 stop
American Airlines Logo
6:35 pm - 9:22 pm
ICN
-
IDA
17h 47m
1 stop
$1,269American Airlines
Fri, Sep 11 - Sat, Oct 31

United Airlines flights from Idaho to Seoul

Our best United Airlines deals on Idaho to Seoul flight tickets
United Airlines
Sep 14
GEG12:57 pmSpokane
23h 23m
1 stop
ICN4:20 amIncheon Intl
Sep 17
ICN4:50 pmIncheon Intl
44h 14m
2 stops
GEG9:04 pmSpokane
$1,045
United Airlines
Sep 14
GEG4:00 pmSpokane
31h 00m
2 stops
ICN3:00 pmIncheon Intl
Sep 17
ICN11:30 amIncheon Intl
15h 05m
1 stop
GEG10:35 amSpokane
$1,232
United Airlines
Sep 14
GEG6:00 amSpokane
17h 00m
1 stop
ICN3:00 pmIncheon Intl
Sep 17
ICN4:50 pmIncheon Intl
44h 14m
2 stops
GEG9:04 pmSpokane
$1,247

EVA Air flights from Idaho to Seoul

Our best EVA Air deals on Idaho to Seoul flight tickets
EVA Air
Sep 11
IDA4:03 pmIdaho Falls Fanning Field
35h 42m
2 stops
ICN6:45 pmIncheon Intl
Oct 31
ICN7:45 pmIncheon Intl
35h 44m
2 stops
IDA4:29 pmIdaho Falls Fanning Field
$1,166
EVA Air
May 21
GEG7:00 amSpokane
43h 45m
2 stops
ICN6:45 pmIncheon Intl
May 31
ICN7:45 pmIncheon Intl
34h 55m
2 stops
GEG2:40 pmSpokane
$1,368
EVA Air
Jun 21
GEG11:51 amSpokane
38h 19m
2 stops
GMP6:10 pmSeoul Gimpo Intl
Jul 21
GMP7:15 pmSeoul Gimpo Intl
43h 00m
2 stops
GEG10:15 pmSpokane
$1,847

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 31, 2026.
Use the filters below to find and compare flights from Idaho to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Wed 4/29

1:20 pm-4:55 am

1 stop23h 35m

Incheon Intl

Wed 5/6

9:20 pm-10:49 pm

1 stop17h 29m

$939
Quickest round-trip

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 8/17

8:59 pm-4:45 am

1 stop16h 46m

Incheon Intl

Wed 8/26

12:40 pm-1:44 pm

1 stop16h 04m

$940

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/14

8:39 pm-5:15 am

1 stop16h 36m

Incheon Intl

Thu 9/17

9:20 pm-10:38 pm

1 stop17h 18m

$948

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Thu 9/17

3:34 pm-5:15 am

1 stop21h 41m

Incheon Intl

Sat 9/26

8:50 pm-11:38 pm

1 stop18h 48m

$979

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 8/17

6:23 am-3:00 pm

1 stop17h 37m

Incheon Intl

Wed 8/26

4:50 pm-7:27 pm

2 stops17h 37m

$1,031

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/14

12:57 pm-4:20 am

1 stop23h 23m

Incheon Intl

Thu 9/17

4:50 pm-9:04 pm

2 stops44h 14m

$1,045

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 8/29

7:48 pm-11:00 am

2 stops24h 12m

Incheon Intl

Sun 9/13

7:45 pm-12:33 pm

2 stops31h 48m

$1,093

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Fri 9/11

4:03 pm-6:45 pm

2 stops35h 42m

Incheon Intl

Sat 10/31

7:45 pm-4:29 pm

2 stops35h 44m

$1,166

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Fri 9/11

6:10 am-3:20 pm

1 stop18h 10m

Incheon Intl

Sat 10/31

8:05 pm-1:27 pm

2 stops32h 22m

$1,244

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Fri 9/11

12:12 pm-3:45 pm

1 stop36h 33m

Incheon Intl

Sat 10/31

6:35 pm-9:22 pm

1 stop17h 47m

$1,269

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Idaho 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 to Seoul?

Alaska Airlines, Korean Air, and ANA are the most popular carriers operating from Idaho to Seoul

Cheap Idaho to Seoul flight deals and tips

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

Fastest flight time

18h 24m

Direct flights

None
The fastest flight from Idaho to Seoul takes 18h 24m
There are no direct flights from Idaho to Seoul. There are no popular flight routes from Idaho to Seoul.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Seoul?

    Prices for flights from Idaho to Seoul refresh daily.

  • How many operators does momondo search for flights from Idaho to Seoul?

  • How old do you have to be to fly from Idaho 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 to Seoul.

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

    The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to Seoul from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.

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

Flights from Idaho to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Idaho and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Idaho to Seoul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seoul and let you know when they change.

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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