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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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Find the cheapest flights from Idaho to Seoul

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
United Airlines Logo
2:20 pm - 5:40 am
BOI
-
ICN
23h 20m1 stop
United Airlines Logo
12:45 pm - 6:07 pm
ICN
-
BOI
21h 22m2 stops
$920United Airlines
Mon, Feb 2 - Fri, Feb 6
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
United Airlines Logo
2:40 pm - 4:15 pm
IDA
-
ICN
33h 35m2 stops
United Airlines Logo
6:00 pm - 9:48 am
ICN
-
IDA
31h 48m2 stops
$943United Airlines
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
5:30 pm - 4:40 am
BOI
-
ICN
20h 10m2 stops
United Airlines Logo
4:50 pm - 7:53 pm
ICN
-
BOI
18h 03m1 stop
$961United Airlines
Mon, Mar 23 - Thu, Apr 16
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

United Airlines flights from Idaho to Incheon Intl Airport

Our best United Airlines deals on Idaho to Incheon Intl Airport 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
$816
Find similar
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
$820
Find similar
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
$916
Find similar

Delta flights from Idaho to Incheon Intl Airport

Our best Delta deals on Idaho to Incheon Intl Airport 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
$977
Find similar
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
$994
Find similar
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
$1,066
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 December 23, 2025.
Use the filters below to find and compare flights from Idaho to Incheon Intl Airport 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 2/2

2:20 pm-5:40 am

1 stop23h 20m

Incheon Intl

Fri 2/6

12:45 pm-6:07 pm

2 stops21h 22m

$920

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

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 2/22

2:40 pm-4:15 pm

2 stops33h 35m

Incheon Intl

Thu 2/26

6:00 pm-9:48 am

2 stops31h 48m

$943

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 3/23

5:30 pm-4:40 am

2 stops20h 10m

Incheon Intl

Thu 4/16

4:50 pm-7:53 pm

1 stop18h 03m

$961

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

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 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 day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Idaho to Incheon Intl Airport is on a Sunday when prices can be found for as low as $1,489. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $2,283. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

Cheap Idaho to Incheon Intl Airport flight deals and tips

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

Fastest flight time

16h 03m

Direct flights

None
The fastest flight from Idaho to Incheon Intl Airport takes 16h 03m
There are no direct flights from Idaho to Incheon Intl Airport. There are no popular flight routes from Idaho to Incheon Intl Airport.
Search flight deals

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

    Prices for flights from Idaho to Incheon Intl Airport were last updated today.

  • How many operators does momondo search for flights from Idaho to Incheon Intl Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Incheon Intl Airport.

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

    The travel and health documents required for your trip to Incheon Intl Airport 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 Incheon Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Idaho to Incheon Intl Airport

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

Traveling to a place near Seoul?

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

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?

Yes. All flights to Seoul from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho 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.

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

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Idaho and alert you when they change.

An easier way to manage your Incheon Intl Airport trip

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