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Cheap flights from Idaho to Seoul from $468

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 11/19. 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.
Alaska Airlines Logo
6:23 am - 6:35 pmBOI-ICN
20h 12m1 stop
Alaska Airlines Logo
8:35 pm - 11:01 pmICN-BOI
18h 26m1 stop
$861Alaska Airlines
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Thu, Jan 29 - Sun, Feb 1
Alaska Airlines Logo
6:23 am - 6:35 pmBOI-ICN
20h 12m1 stop
Alaska Airlines Logo
8:35 pm - 10:20 pmICN-BOI
17h 45m1 stop
$902Alaska Airlines
Find Deal
Sun, Feb 1 - Sat, Feb 28
United Airlines Logo
2:11 pm - 5:40 amBOI-ICN
23h 29m2 stops
United Airlines Logo
12:45 pm - 1:44 pmICN-BOI
16h 59m1 stop
$905United Airlines
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Mon, Nov 17 - Fri, Nov 28
Multiple Airlines Logo
6:00 pm - 5:20 amBOI-ICN
19h 20m1 stop
Multiple Airlines Logo
9:20 pm - 3:44 pmICN-BOI
34h 24m2 stops
$908Multiple Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 11
Multiple Airlines Logo
10:00 am - 6:35 pmBOI-ICN
16h 35m1 stop
Multiple Airlines Logo
9:20 pm - 5:29 pmICN-BOI
36h 09m2 stops
$909Multiple Airlines
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Wed, Jan 14 - Tue, Jan 27
American Airlines Logo
1:25 pm - 4:45 pmBOI-ICN
35h 20m1 stop
American Airlines Logo
7:15 pm - 10:03 pmICN-BOI
18h 48m1 stop
$923American Airlines
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Mon, Dec 1 - Thu, Dec 11
American Airlines Logo
1:33 pm - 4:45 pmBOI-ICN
59h 12m2 stops
American Airlines Logo
7:15 pm - 1:38 pmICN-BOI
34h 23m2 stops
$945American Airlines
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Fri, Nov 21 - Wed, Dec 3
United Airlines Logo
5:22 pm - 4:20 amBOI-ICN
19h 58m2 stops
United Airlines Logo
4:50 pm - 4:49 pmICN-BOI
14h 59m1 stop
$961United Airlines
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Thu, Apr 16 - Thu, Apr 23
Delta Logo
6:00 am - 4:30 pmIDA-ICN
19h 30m2 stops
Delta Logo
7:40 pm - 6:15 pmICN-IDA
13h 35m1 stop
$965Delta
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Wed, Mar 25 - Wed, Apr 1
Delta Logo
5:45 am - 4:30 pmBOI-ICN
18h 45m2 stops
Delta Logo
8:05 pm - 11:12 pmICN-BOI
19h 07m2 stops
$966Delta
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Thu, Jan 29 - Sun, Feb 1

Alaska Airlines flights from Idaho to Incheon Intl Airport

Our best Alaska Airlines deals on Idaho to Incheon Intl Airport flight tickets
Alaska Airlines
Jan 29
BOI6:23 amBoise Air Term. Gowen Fld
20h 12m
1 stop
ICN6:35 pmIncheon Intl
Feb 1
ICN8:35 pmIncheon Intl
18h 26m
1 stop
BOI11:01 pmBoise Air Term. Gowen Fld
$861
Find similar
Alaska Airlines
Feb 1
BOI6:23 amBoise Air Term. Gowen Fld
20h 12m
1 stop
ICN6:35 pmIncheon Intl
Feb 28
ICN8:35 pmIncheon Intl
17h 45m
1 stop
BOI10:20 pmBoise Air Term. Gowen Fld
$902
Find similar
Alaska Airlines
Jan 29
BOI10:00 amBoise Air Term. Gowen Fld
16h 35m
1 stop
ICN6:35 pmIncheon Intl
Feb 1
ICN8:35 pmIncheon Intl
19h 23m
2 stops
BOI11:58 pmBoise Air Term. Gowen Fld
$930
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
IDA6:00 amIdaho Falls Fanning Field
19h 30m
2 stops
ICN4:30 pmIncheon Intl
Apr 1
ICN7:40 pmIncheon Intl
13h 35m
1 stop
IDA6:15 pmIdaho Falls Fanning Field
$965
Find similar
Delta
Jan 29
BOI5:45 amBoise Air Term. Gowen Fld
18h 45m
2 stops
ICN4:30 pmIncheon Intl
Feb 1
ICN8:05 pmIncheon Intl
19h 07m
2 stops
BOI11:12 pmBoise Air Term. Gowen Fld
$966
Find similar
Delta
Nov 16
IDA1:15 pmIdaho Falls Fanning Field
35h 05m
1 stop
ICN4:20 pmIncheon Intl
Nov 22
ICN7:30 pmIncheon Intl
19h 03m
2 stops
IDA10:33 pmIdaho Falls Fanning Field
$971
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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 November 6, 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

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

6:23 am-6:35 pm

1 stop20h 12m

Incheon Intl

Sun 2/1

8:35 pm-11:01 pm

1 stop18h 26m

$861

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/1

6:23 am-6:35 pm

1 stop20h 12m

Incheon Intl

Sat 2/28

8:35 pm-10:20 pm

1 stop17h 45m

$902

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 11/17

2:11 pm-5:40 am

2 stops23h 29m

Incheon Intl

Fri 11/28

12:45 pm-1:44 pm

1 stop16h 59m

$905

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 12/1

6:00 pm-5:20 am

1 stop19h 20m

Incheon Intl

Thu 12/11

9:20 pm-3:44 pm

2 stops34h 24m

$908

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 1/14

10:00 am-6:35 pm

1 stop16h 35m

Incheon Intl

Tue 1/27

9:20 pm-5:29 pm

2 stops36h 09m

$909

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 12/1

1:25 pm-4:45 pm

1 stop35h 20m

Incheon Intl

Thu 12/11

7:15 pm-10:03 pm

1 stop18h 48m

$923

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Fri 11/21

1:33 pm-4:45 pm

2 stops59h 12m

Incheon Intl

Wed 12/3

7:15 pm-1:38 pm

2 stops34h 23m

$945

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 4/16

5:22 pm-4:20 am

2 stops19h 58m

Incheon Intl

Thu 4/23

4:50 pm-4:49 pm

1 stop14h 59m

$961

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:00 am-4:30 pm

2 stops19h 30m

Incheon Intl

Wed 4/1

7:40 pm-6:15 pm

1 stop13h 35m

$965

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

5:45 am-4:30 pm

2 stops18h 45m

Incheon Intl

Sun 2/1

8:05 pm-11:12 pm

2 stops19h 07m

$966

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Direct flights

None
There are no direct flights from Idaho to Incheon Intl Airport. There are no popular flight routes from Idaho to Incheon Intl Airport.
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  • 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 $940Free CancellationRating
7.9
8,001 reviews
Search Delta flights

Traveling to a place near Seoul?

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