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Cheap flights from Idaho to Seoul from $421

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 4/9. 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
6:00 am - 6:35 pm
IDA
-
ICN
21h 35m
1 stop
Multiple Airlines Logo
8:35 pm - 10:52 pm
ICN
-
IDA
17h 17m
1 stop
$786Multiple Airlines
Wed, Mar 25 - Wed, Apr 1
United Airlines Logo
10:53 am - 4:15 pm
BOI
-
ICN
37h 22m
1 stop
United Airlines Logo
4:50 pm - 9:15 pm
ICN
-
BOI
19h 25m
1 stop
$883United Airlines
Sun, Feb 22 - Tue, Mar 31
United Airlines Logo
10:53 am - 4:15 pm
BOI
-
ICN
37h 22m
1 stop
United Airlines Logo
12:45 pm - 11:48 pm
ICN
-
BOI
27h 03m
2 stops
$888United Airlines
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
7:11 am - 4:15 pm
BOI
-
ICN
41h 04m
2 stops
United Airlines Logo
6:00 pm - 8:55 pm
ICN
-
BOI
18h 55m
2 stops
$894United Airlines
Sun, Feb 22 - Thu, Feb 26
Multiple Airlines Logo
6:00 am - 6:35 pm
IDA
-
ICN
21h 35m
1 stop
Multiple Airlines Logo
8:35 pm - 10:52 pm
ICN
-
IDA
17h 17m
1 stop
$912Multiple Airlines
Wed, Mar 25 - Wed, Apr 1
Multiple Airlines Logo
6:28 am - 6:35 pm
BOI
-
ICN
20h 07m
1 stop
Multiple Airlines Logo
8:35 pm - 7:48 pm
ICN
-
BOI
14h 13m
1 stop
$920Multiple Airlines
Sat, Feb 21 - Fri, Apr 3
Multiple Airlines Logo
6:00 am - 12:25 am
BOI
-
ICN
27h 25m
2 stops
Multiple Airlines Logo
1:55 am - 3:33 pm
ICN
-
BOI
28h 38m
2 stops
$921Multiple Airlines
Sat, Apr 18 - Mon, Apr 27
Delta Logo
10:45 am - 4:30 pm
BOI
-
ICN
37h 45m
2 stops
Delta Logo
7:00 pm - 11:59 pm
ICN
-
BOI
19h 59m
2 stops
$949Delta
Sun, Feb 22 - Thu, Apr 2
Delta Logo
10:45 am - 4:30 pm
BOI
-
ICN
37h 45m
2 stops
Delta Logo
7:20 pm - 9:27 am
ICN
-
BOI
29h 07m
1 stop
$955Delta
Sun, Feb 22 - Mon, Mar 30
Delta Logo
6:55 pm - 4:30 pm
IDA
-
ICN
30h 35m
2 stops
Delta Logo
7:20 pm - 10:16 pm
ICN
-
IDA
17h 56m
1 stop
$1,029Delta
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 22
IDA5:33 pmIdaho Falls Fanning Field
30h 42m
2 stops
ICN4:15 pmIncheon Intl
Feb 26
ICN6:00 pmIncheon Intl
31h 48m
2 stops
IDA9:48 amIdaho Falls Fanning Field
$881
United Airlines
Feb 22
BOI10:53 amBoise Air Term. Gowen Fld
37h 22m
1 stop
ICN4:15 pmIncheon Intl
Feb 26
ICN6:00 pmIncheon Intl
21h 38m
1 stop
BOI11:38 pmBoise Air Term. Gowen Fld
$883
United Airlines
Feb 22
BOI10:53 amBoise Air Term. Gowen Fld
37h 22m
1 stop
ICN4:15 pmIncheon Intl
Apr 1
ICN4:50 pmIncheon Intl
32h 04m
2 stops
BOI9:54 amBoise Air Term. Gowen Fld
$888

Delta flights from Idaho to Incheon Intl Airport

Our best Delta deals on Idaho to Incheon Intl Airport flight tickets
Delta
Feb 20
BOI5:20 amBoise Air Term. Gowen Fld
18h 10m
1 stop
ICN3:30 pmIncheon Intl
Apr 1
ICN7:00 pmIncheon Intl
17h 01m
1 stop
BOI9:01 pmBoise Air Term. Gowen Fld
$902
Delta
Feb 20
BOI5:20 amBoise Air Term. Gowen Fld
18h 10m
1 stop
ICN3:30 pmIncheon Intl
Apr 1
ICN7:40 pmIncheon Intl
19h 19m
2 stops
BOI11:59 pmBoise Air Term. Gowen Fld
$906
Delta
Feb 20
BOI5:20 amBoise Air Term. Gowen Fld
18h 10m
1 stop
ICN3:30 pmIncheon Intl
Mar 30
ICN7:20 pmIncheon Intl
29h 07m
1 stop
BOI9:27 amBoise Air Term. Gowen Fld
$908

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 February 19, 2026.
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

6:00 am-6:35 pm

1 stop21h 35m

Incheon Intl

Wed 4/1

8:35 pm-10:52 pm

1 stop17h 17m

$786

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/22

10:53 am-4:15 pm

1 stop37h 22m

Incheon Intl

Tue 3/31

4:50 pm-9:15 pm

1 stop19h 25m

$883

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/22

10:53 am-4:15 pm

1 stop37h 22m

Incheon Intl

Thu 2/26

12:45 pm-11:48 pm

2 stops27h 03m

$888

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/22

7:11 am-4:15 pm

2 stops41h 04m

Incheon Intl

Thu 2/26

6:00 pm-8:55 pm

2 stops18h 55m

$894

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:00 am-6:35 pm

1 stop21h 35m

Incheon Intl

Wed 4/1

8:35 pm-10:52 pm

1 stop17h 17m

$912

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 2/21

6:28 am-6:35 pm

1 stop20h 07m

Incheon Intl

Fri 4/3

8:35 pm-7:48 pm

1 stop14h 13m

$920

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 4/18

6:00 am-12:25 am

2 stops27h 25m

Incheon Intl

Mon 4/27

1:55 am-3:33 pm

2 stops28h 38m

$921

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/22

10:45 am-4:30 pm

2 stops37h 45m

Incheon Intl

Thu 4/2

7:00 pm-11:59 pm

2 stops19h 59m

$949

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/22

10:45 am-4:30 pm

2 stops37h 45m

Incheon Intl

Mon 3/30

7:20 pm-9:27 am

1 stop29h 07m

$955

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:55 pm-4:30 pm

2 stops30h 35m

Incheon Intl

Wed 4/1

7:20 pm-10:16 pm

1 stop17h 56m

$1,029

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 airline that flies from Idaho to Incheon Intl?

Delta is the most popular carrier operating from Idaho to Incheon Intl

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 15m

Direct flights

None
The fastest flight from Idaho to Incheon Intl Airport takes 16h 15m
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
8,212 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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