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Cheap flights from Idaho to Seoul from $450

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 9/17. 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

Logo
6:35 am - 8:30 pmBOI-ICN
22h 55m2 stops
Logo
6:20 pm - 10:39 amICN-BOI
31h 19m1 stop
$920
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Wed, Oct 1 - Wed, Oct 15
Delta Logo
9:00 am - 4:30 pmBOI-ICN
16h 30m1 stop
Delta Logo
7:20 pm - 10:22 pmICN-BOI
18h 02m1 stop
$921Delta
Find Deal
Fri, Sep 19 - Fri, Sep 26
Delta Logo
6:00 am - 4:30 pmBOI-ICN
19h 30m2 stops
Delta Logo
7:20 pm - 12:15 amICN-BOI
19h 55m2 stops
$926Delta
Find Deal
Fri, Sep 19 - Fri, Sep 26
United Airlines Logo
7:00 am - 4:20 amBOI-ICN
30h 20m2 stops
United Airlines Logo
4:50 pm - 9:42 amICN-BOI
31h 52m2 stops
$945United Airlines
Find Deal
Sat, Sep 20 - Sat, Sep 27
Logo
6:35 am - 8:30 pmBOI-ICN
22h 55m2 stops
Logo
6:20 pm - 10:39 amICN-BOI
31h 19m1 stop
$957
Find Deal
Wed, Oct 1 - Wed, Oct 15
Hawaiian Airlines Logo
9:50 am - 6:35 pmBOI-ICN
16h 45m1 stop
Hawaiian Airlines Logo
8:35 pm - 11:55 pmICN-BOI
19h 20m1 stop
$961Hawaiian Airlines
Find Deal
Thu, Jan 29 - Sun, Feb 1
Asiana Airlines Logo
11:22 am - 5:55 pmBOI-ICN
15h 33m1 stop
Asiana Airlines Logo
6:20 pm - 5:18 pmICN-BOI
13h 58m1 stop
$966Asiana Airlines
Find Deal
Wed, Aug 27 - Sat, Sep 6
Logo
7:17 pm - 4:30 pmBOI-ICN
30h 13m1 stop
Logo
6:20 pm - 10:39 amICN-BOI
31h 19m1 stop
$998
Find Deal
Wed, Oct 1 - Wed, Oct 15
Alaska Airlines Logo
8:00 am - 6:35 pmBOI-ICN
18h 35m1 stop
Alaska Airlines Logo
8:35 pm - 9:35 pmICN-BOI
17h 00m2 stops
$1,033Alaska Airlines
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Thu, Jan 29 - Sun, Feb 1
Alaska Airlines Logo
10:37 pm - 7:00 pmBOI-ICN
29h 23m3 stops
Alaska Airlines Logo
9:25 pm - 3:00 pmICN-BOI
32h 35m2 stops
$1,059Alaska Airlines
Find Deal
Wed, Aug 27 - Sat, Sep 6

Delta flights from Idaho to Incheon Intl Airport

Our best Delta deals on Idaho to Incheon Intl Airport flight tickets
Delta
Sep 19
BOI9:00 amBoise Air Term. Gowen Fld
16h 30m
1 stop
ICN4:30 pmIncheon Intl
Sep 26
ICN7:20 pmIncheon Intl
18h 02m
1 stop
BOI10:22 pmBoise Air Term. Gowen Fld
$921
Find similar
Delta
Sep 19
BOI6:00 amBoise Air Term. Gowen Fld
19h 30m
2 stops
ICN4:30 pmIncheon Intl
Sep 26
ICN7:20 pmIncheon Intl
19h 55m
2 stops
BOI12:15 amBoise Air Term. Gowen Fld
$926
Find similar
Delta
Jan 8
BOI7:30 amBoise Air Term. Gowen Fld
17h 00m
1 stop
ICN4:30 pmIncheon Intl
Jan 13
ICN8:05 pmIncheon Intl
19h 53m
1 stop
BOI11:58 pmBoise Air Term. Gowen Fld
$1,083
Find similar

EVA Air flights from Idaho to Incheon Intl Airport

Our best EVA Air deals on Idaho to Incheon Intl Airport flight tickets
EVA Air
Oct 10
GEG1:44 pmSpokane
61h 01m
2 stops
ICN6:45 pmIncheon Intl
Oct 16
ICN12:00 pmIncheon Intl
41h 04m
2 stops
GEG1:04 pmSpokane
$1,154
Find similar
EVA Air
Aug 11
GEG8:48 pmSpokane
22h 12m
2 stops
ICN11:00 amIncheon Intl
Aug 19
ICN7:45 pmIncheon Intl
42h 40m
2 stops
GEG10:25 pmSpokane
$1,239
Find similar
EVA Air
Nov 21
GEG6:01 pmSpokane
55h 44m
2 stops
ICN6:45 pmIncheon Intl
Nov 30
ICN11:40 amIncheon Intl
47h 54m
2 stops
GEG6:34 pmSpokane
$1,328
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 August 7, 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

Wed 10/1

6:35 am-8:30 pm

2 stops22h 55m

Incheon Intl

Wed 10/15

6:20 pm-10:39 am

1 stop31h 19m

$920

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Fri 9/19

9:00 am-4:30 pm

1 stop16h 30m

Incheon Intl

Fri 9/26

7:20 pm-10:22 pm

1 stop18h 02m

$921

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Fri 9/19

6:00 am-4:30 pm

2 stops19h 30m

Incheon Intl

Fri 9/26

7:20 pm-12:15 am

2 stops19h 55m

$926

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 9/20

7:00 am-4:20 am

2 stops30h 20m

Incheon Intl

Sat 9/27

4:50 pm-9:42 am

2 stops31h 52m

$945

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 10/1

6:35 am-8:30 pm

2 stops22h 55m

Incheon Intl

Wed 10/15

6:20 pm-10:39 am

1 stop31h 19m

$957

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

9:50 am-6:35 pm

1 stop16h 45m

Incheon Intl

Sun 2/1

8:35 pm-11:55 pm

1 stop19h 20m

$961

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 8/27

11:22 am-5:55 pm

1 stop15h 33m

Incheon Intl

Sat 9/6

6:20 pm-5:18 pm

1 stop13h 58m

$966

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 10/1

7:17 pm-4:30 pm

1 stop30h 13m

Incheon Intl

Wed 10/15

6:20 pm-10:39 am

1 stop31h 19m

$998

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Sun 2/1

8:35 pm-9:35 pm

2 stops17h 00m

$1,033

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 8/27

10:37 pm-7:00 pm

3 stops29h 23m

Incheon Intl

Sat 9/6

9:25 pm-3:00 pm

2 stops32h 35m

$1,059

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

Best Price Found

$450

Fastest flight time

14h 57m

Direct flights

None
The best one-way flight to Incheon Intl Airport from Idaho in the past 72 hours is $450. The best round-trip flight deal from Idaho to Incheon Intl Airport found on momondo in the last 72 hours is $920.
The fastest flight from Idaho to Incheon Intl Airport takes 14h 57m
There are no direct flights from Idaho to Incheon Intl Airport. Popular non-direct routes for this connection are Spokane Airport - Incheon Intl Airport and Boise Air Term. Gowen Fld Airport - 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 $1,072Free CancellationRating
8.0
7,985 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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