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Cheap flights from Idaho to Seoul from $559

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 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
China Eastern Logo
6:20 am - 11:55 am
GEG
-
ICN
37h 35m
2 stops
China Eastern Logo
4:15 pm - 3:39 pm
ICN
-
GEG
39h 24m
2 stops
$972China Eastern
Mon, Sep 14 - Thu, Sep 17
China Eastern Logo
6:30 am - 11:55 am
GEG
-
ICN
37h 25m
2 stops
China Eastern Logo
8:55 am - 9:31 pm
ICN
-
GEG
28h 36m
2 stops
$990China Eastern
Mon, Sep 14 - Thu, Sep 17
Multiple Airlines Logo
10:14 am - 8:10 pm
BOI
-
ICN
18h 56m
1 stop
Multiple Airlines Logo
6:00 pm - 10:27 pm
ICN
-
BOI
19h 27m
1 stop
$1,062Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
WestJet Logo
5:59 pm - 6:45 pm
BOI
-
ICN
33h 46m
2 stops
WestJet Logo
8:45 pm - 10:25 pm
ICN
-
BOI
40h 40m
2 stops
$1,097WestJet
Wed, Sep 16 - Sat, Sep 26
Multiple Airlines Logo
8:31 am - 10:25 pm
GEG
-
ICN
21h 54m
2 stops
Multiple Airlines Logo
8:00 am - 1:42 pm
ICN
-
GEG
21h 42m
2 stops
$1,143Multiple Airlines
Mon, Sep 14 - Thu, Sep 17
WestJet Logo
8:22 am - 6:45 pm
BOI
-
ICN
19h 23m
2 stops
WestJet Logo
8:45 pm - 10:25 pm
ICN
-
BOI
16h 40m
2 stops
$1,168WestJet
Wed, Sep 16 - Sat, Sep 26
Multiple Airlines Logo
10:14 am - 12:25 am
BOI
-
ICN
23h 11m
2 stops
Multiple Airlines Logo
8:00 am - 3:23 pm
ICN
-
BOI
22h 23m
2 stops
$1,176Multiple Airlines
Tue, Sep 8 - Tue, Oct 6
EVA Air Logo
8:52 pm - 10:30 am
BOI
-
ICN
21h 38m
2 stops
EVA Air Logo
7:45 pm - 11:51 pm
ICN
-
BOI
20h 06m
2 stops
$1,264EVA Air
Sat, Nov 7 - Wed, Nov 18
Alaska Airlines Logo
12:57 pm - 5:35 pm
GEG
-
ICN
59h 38m
2 stops
Alaska Airlines Logo
8:00 pm - 10:56 pm
ICN
-
GEG
19h 56m
1 stop
$1,290Alaska Airlines
Mon, Nov 16 - Thu, Nov 19
Alaska Airlines Logo
1:46 pm - 5:30 pm
IDA
-
ICN
36h 44m
1 stop
Alaska Airlines Logo
7:35 pm - 10:54 pm
ICN
-
IDA
18h 19m
1 stop
$1,542Alaska Airlines
Tue, Oct 20 - Fri, Oct 23

WestJet flights from Idaho to Seoul

Our best WestJet deals on Idaho to Seoul flight tickets
WestJet
Sep 16
BOI5:59 pmBoise Air Term. Gowen Fld
33h 46m
2 stops
ICN6:45 pmIncheon Intl
Sep 26
ICN8:45 pmIncheon Intl
40h 40m
2 stops
BOI10:25 pmBoise Air Term. Gowen Fld
$1,097
WestJet
Sep 16
BOI8:22 amBoise Air Term. Gowen Fld
19h 23m
2 stops
ICN6:45 pmIncheon Intl
Sep 26
ICN8:45 pmIncheon Intl
16h 40m
2 stops
BOI10:25 pmBoise Air Term. Gowen Fld
$1,168
WestJet
Sep 16
BOI8:40 amBoise Air Term. Gowen Fld
19h 05m
2 stops
ICN6:45 pmIncheon Intl
Sep 26
ICN8:45 pmIncheon Intl
42h 14m
2 stops
BOI11:59 pmBoise Air Term. Gowen Fld
$1,250

Alaska Airlines flights from Idaho to Seoul

Our best Alaska Airlines deals on Idaho to Seoul flight tickets
Alaska Airlines
Nov 16
GEG12:57 pmSpokane
59h 38m
2 stops
ICN5:35 pmIncheon Intl
Nov 19
ICN8:00 pmIncheon Intl
19h 56m
1 stop
GEG10:56 pmSpokane
$1,290
Alaska Airlines
Nov 16
GEG12:57 pmSpokane
59h 38m
2 stops
ICN5:35 pmIncheon Intl
Nov 19
ICN8:00 pmIncheon Intl
18h 31m
1 stop
GEG9:31 pmSpokane
$1,291
Alaska Airlines
Nov 16
GEG12:57 pmSpokane
59h 38m
2 stops
ICN5:35 pmIncheon Intl
Nov 19
ICN8:00 pmIncheon Intl
37h 08m
2 stops
GEG4:08 pmSpokane
$1,310

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 May 26, 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

Mon 9/14

6:20 am-11:55 am

2 stops37h 35m

Incheon Intl

Thu 9/17

4:15 pm-3:39 pm

2 stops39h 24m

$972

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/14

6:30 am-11:55 am

2 stops37h 25m

Incheon Intl

Thu 9/17

8:55 am-9:31 pm

2 stops28h 36m

$990

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 9/12

10:14 am-8:10 pm

1 stop18h 56m

Incheon Intl

Sat 9/19

6:00 pm-10:27 pm

1 stop19h 27m

$1,062

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 9/16

5:59 pm-6:45 pm

2 stops33h 46m

Incheon Intl

Sat 9/26

8:45 pm-10:25 pm

2 stops40h 40m

$1,097

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/14

8:31 am-10:25 pm

2 stops21h 54m

Incheon Intl

Thu 9/17

8:00 am-1:42 pm

2 stops21h 42m

$1,143
Quickest round-trip

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 9/16

8:22 am-6:45 pm

2 stops19h 23m

Incheon Intl

Sat 9/26

8:45 pm-10:25 pm

2 stops16h 40m

$1,168

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Tue 9/8

10:14 am-12:25 am

2 stops23h 11m

Incheon Intl

Tue 10/6

8:00 am-3:23 pm

2 stops22h 23m

$1,176

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 11/7

8:52 pm-10:30 am

2 stops21h 38m

Incheon Intl

Wed 11/18

7:45 pm-11:51 pm

2 stops20h 06m

$1,264

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 11/16

12:57 pm-5:35 pm

2 stops59h 38m

Incheon Intl

Thu 11/19

8:00 pm-10:56 pm

1 stop19h 56m

$1,290

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Tue 10/20

1:46 pm-5:30 pm

1 stop36h 44m

Incheon Intl

Fri 10/23

7:35 pm-10:54 pm

1 stop18h 19m

$1,542

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 month to fly to Seoul?

The month of May is another great option to travel to Seoul, with average flight prices from Idaho averaging around $0.

Can stopping save me money on Idaho to Seoul flights?

You could potentially save up to 35% on your flight if you consider stops on a Idaho to Seoul flight.

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

16h 13m

Direct flights

None
The fastest flight from Idaho to Seoul takes 16h 13m
There are no direct flights from Idaho to Seoul. There are no popular flight routes from Idaho to Seoul.
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Frequently asked questions about flying from Idaho to Seoul

  • 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