Cheap flights from Idaho to Seoul from $379

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 3/28. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:59 pm - 6:35 pm
IDA
-
ICN
33h 36m1 stop
Multiple Airlines Logo
8:35 pm - 10:52 pm
ICN
-
IDA
17h 17m1 stop
$721Multiple Airlines
Wed, Mar 25 - Wed, Apr 1
United Airlines Logo
7:05 pm - 5:40 am
BOI
-
ICN
18h 35m1 stop
United Airlines Logo
6:00 pm - 9:23 pm
ICN
-
BOI
19h 23m1 stop
$916United Airlines
Mon, Feb 2 - Fri, Feb 6
Multiple Airlines Logo
11:35 am - 6:35 pm
BOI
-
ICN
15h 00m1 stop
Multiple Airlines Logo
6:55 pm - 11:01 pm
ICN
-
BOI
20h 06m2 stops
$919Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
American Airlines Logo
1:39 pm - 3:55 pm
BOI
-
ICN
35h 16m1 stop
American Airlines Logo
5:25 pm - 9:07 pm
ICN
-
BOI
18h 42m1 stop
$922American Airlines
Mon, Mar 23 - Thu, Apr 16
American Airlines Logo
2:18 pm - 3:55 pm
IDA
-
ICN
34h 37m1 stop
American Airlines Logo
5:25 pm - 11:19 pm
ICN
-
IDA
20h 54m2 stops
$927American Airlines
Wed, Mar 25 - Wed, Apr 1
Delta Logo
6:00 am - 4:30 pm
BOI
-
ICN
19h 30m2 stops
Delta Logo
7:00 pm - 11:57 pm
ICN
-
BOI
19h 57m2 stops
$965Delta
Mon, Mar 23 - Thu, Apr 16
Delta Logo
1:11 pm - 4:30 pm
IDA
-
ICN
36h 19m2 stops
Delta Logo
7:00 pm - 10:20 pm
ICN
-
IDA
18h 20m2 stops
$977Delta
Wed, Mar 25 - Wed, Apr 1
ANA Logo
8:39 am - 10:30 pm
BOI
-
GMP
22h 51m2 stops
ANA Logo
12:40 pm - 3:24 pm
GMP
-
BOI
41h 44m2 stops
$2,127ANA
Mon, Mar 23 - Thu, Apr 16
ANA Logo
8:39 am - 10:30 pm
BOI
-
GMP
22h 51m2 stops
ANA Logo
7:45 am - 4:49 pm
GMP
-
BOI
48h 04m2 stops
$3,072ANA
Fri, Mar 13 - Sun, Mar 22
Japan Airlines Logo
7:00 am - 10:55 am
BOI
-
GMP
36h 55m2 stops
Japan Airlines Logo
8:00 am - 3:29 pm
GMP
-
BOI
22h 29m2 stops
$3,490Japan Airlines
Fri, Mar 13 - Sun, Mar 22

United Airlines flights from Idaho to Seoul

Our best United Airlines deals on Idaho to Seoul flight tickets
United Airlines
Feb 2
BOI7:45 amBoise Air Term. Gowen Fld
16h 30m
1 stop
ICN4:15 pmIncheon Intl
Feb 6
ICN12:45 pmIncheon Intl
19h 25m
1 stop
BOI4:10 pmBoise Air Term. Gowen Fld
United Airlines
Feb 2
BOI2:20 pmBoise Air Term. Gowen Fld
23h 20m
1 stop
ICN5:40 amIncheon Intl
Feb 6
ICN6:00 pmIncheon Intl
32h 06m
2 stops
BOI10:06 amBoise Air Term. Gowen Fld
United Airlines
Feb 2
BOI7:05 pmBoise Air Term. Gowen Fld
18h 35m
1 stop
ICN5:40 amIncheon Intl
Feb 6
ICN6:00 pmIncheon Intl
21h 48m
1 stop
BOI11:48 pmBoise Air Term. Gowen Fld

Delta flights from Idaho to Seoul

Our best Delta deals on Idaho to Seoul flight tickets
Delta
Mar 25
IDA1:11 pmIdaho Falls Fanning Field
36h 19m
2 stops
ICN4:30 pmIncheon Intl
Apr 1
ICN7:00 pmIncheon Intl
18h 20m
2 stops
IDA10:20 pmIdaho Falls Fanning Field
Delta
Feb 13
GEG7:27 amSpokane
16h 03m
1 stop
ICN4:30 pmIncheon Intl
Feb 22
ICN8:05 pmIncheon Intl
17h 51m
1 stop
GEG8:56 pmSpokane
Delta
May 30
BOI10:38 amBoise Air Term. Gowen Fld
15h 12m
1 stop
ICN4:50 pmIncheon Intl
Jun 6
ICN7:20 pmIncheon Intl
18h 51m
1 stop
BOI11:11 pmBoise Air Term. Gowen Fld

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 December 23, 2025.
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

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

5:59 pm-6:35 pm

1 stop33h 36m

Incheon Intl

Wed 4/1

8:35 pm-10:52 pm

1 stop17h 17m

$721

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 2/2

7:05 pm-5:40 am

1 stop18h 35m

Incheon Intl

Fri 2/6

6:00 pm-9:23 pm

1 stop19h 23m

$916

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 2/4

11:35 am-6:35 pm

1 stop15h 00m

Incheon Intl

Wed 2/11

6:55 pm-11:01 pm

2 stops20h 06m

$919

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 3/23

1:39 pm-3:55 pm

1 stop35h 16m

Incheon Intl

Thu 4/16

5:25 pm-9:07 pm

1 stop18h 42m

$922

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

2:18 pm-3:55 pm

1 stop34h 37m

Incheon Intl

Wed 4/1

5:25 pm-11:19 pm

2 stops20h 54m

$927

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 3/23

6:00 am-4:30 pm

2 stops19h 30m

Incheon Intl

Thu 4/16

7:00 pm-11:57 pm

2 stops19h 57m

$965

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

1:11 pm-4:30 pm

2 stops36h 19m

Incheon Intl

Wed 4/1

7:00 pm-10:20 pm

2 stops18h 20m

$977

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Mon 3/23

8:39 am-10:30 pm

2 stops22h 51m

Seoul Gimpo Intl

Thu 4/16

12:40 pm-3:24 pm

2 stops41h 44m

$2,127

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Fri 3/13

8:39 am-10:30 pm

2 stops22h 51m

Seoul Gimpo Intl

Sun 3/22

7:45 am-4:49 pm

2 stops48h 04m

$3,072

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Fri 3/13

7:00 am-10:55 am

2 stops36h 55m

Seoul Gimpo Intl

Sun 3/22

8:00 am-3:29 pm

2 stops22h 29m

$3,490

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 day to depart on your flight to Seoul?

According to our data, Tuesday is the cheapest day to fly to Seoul from Idaho. The lowest ticket price found for a Tuesday departure recently was $1,142. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Wednesday, with ticket prices averaging around $1,868.

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 03m

Direct flights

None
The fastest flight from Idaho to Seoul takes 16h 03m
There are no direct flights from Idaho to Seoul. There are no popular flight routes 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.

Best airlines flying from Idaho to Seoul

Compare and see reviews for airlines that fly from Idaho to Seoul with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $915Free CancellationRating
7.9
8,014 reviews
Search Delta flights

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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1 adult
Thu 1/22
Thu 1/29

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