How long does it take to fly to Seoul?

If you’re flying from a popular airport in Idaho, such as Idaho Falls or Boise, and flying into Seoul, then you can expect flight times to average 18h 20m and 18h 20m, respectively.

What is the cheapest airline that flies from Idaho to Seoul?

Delta is the most popular carrier operating 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?

As of August 2026, there is 1 operator available to choose from 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.

$556 Cheap Flights from Idaho to Seoul in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Seoul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:57 am - 9:40 pmBOI Boise Air Term. Gowen Fld-ICN Incheon Intl

21h 43m1 stop San Francisco

7:45 pm - 9:20 pmICN Incheon Intl-BOI Boise Air Term. Gowen Fld

16h 35m1 stop San Francisco

$988Multiple Airlines

Mon, Oct 19 - Wed, Oct 28

6:22 am - 3:10 pmGEG Spokane-ICN Incheon Intl

40h 48m2 stops Los Angeles Shanghai Pu Dong

12:55 pm - 3:48 pmICN Incheon Intl-GEG Spokane

43h 53m2 stops Shanghai Pu Dong Los Angeles

$1,006China Eastern

Tue, Sep 8 - Tue, Nov 10

10:14 am - 9:40 pmBOI Boise Air Term. Gowen Fld-ICN Incheon Intl

20h 26m1 stop San Francisco

7:15 pm - 10:27 pmICN Incheon Intl-BOI Boise Air Term. Gowen Fld

18h 12m1 stop San Francisco

$1,011Multiple Airlines

Mon, Sep 21 - Wed, Sep 30

2:50 pm - 5:30 amBOI Boise Air Term. Gowen Fld-ICN Incheon Intl

47h 40m2 stops Las Vegas Harry Reid Intl Vancouver Intl

7:15 pm - 10:27 pmICN Incheon Intl-BOI Boise Air Term. Gowen Fld

18h 12m1 stop San Francisco

$1,018Multiple Airlines

Mon, Sep 21 - Wed, Sep 30

9:12 am - 9:40 pmBOI Boise Air Term. Gowen Fld-ICN Incheon Intl

21h 28m2 stops Portland San Francisco

7:45 pm - 9:20 pmICN Incheon Intl-BOI Boise Air Term. Gowen Fld

16h 35m1 stop San Francisco

$1,039Multiple Airlines

Mon, Oct 19 - Wed, Oct 28

10:14 am - 9:40 pmBOI Boise Air Term. Gowen Fld-ICN Incheon Intl

20h 26m1 stop San Francisco

7:15 pm - 10:27 pmICN Incheon Intl-BOI Boise Air Term. Gowen Fld

18h 12m1 stop San Francisco

$1,067Multiple Airlines

Mon, Sep 21 - Wed, Sep 30

6:47 pm - 12:30 pmBOI Boise Air Term. Gowen Fld-ICN Incheon Intl

26h 43m2 stops Los Angeles Xiamen Gaoqi Intl

6:00 pm - 9:20 pmICN Incheon Intl-BOI Boise Air Term. Gowen Fld

18h 20m1 stop San Francisco

$1,075Multiple Airlines

Tue, Sep 8 - Sat, Oct 24

8:31 am - 12:25 amGEG Spokane-ICN Incheon Intl

23h 54m2 stops Seattle/Tacoma Intl Hong Kong Intl

1:55 am - 12:30 pmICN Incheon Intl-GEG Spokane

27h 35m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,101Multiple Airlines

Tue, Sep 22 - Mon, Dec 14

5:10 am - 4:50 pmGEG Spokane-ICN Incheon Intl

19h 40m1 stop Seattle/Tacoma Intl

6:45 pm - 2:56 pmICN Incheon Intl-GEG Spokane

13h 11m1 stop Seattle/Tacoma Intl

$1,107Delta

Tue, Sep 8 - Tue, Nov 10

7:05 am - 4:50 pmGEG Spokane-ICN Incheon Intl

17h 45m1 stop Seattle/Tacoma Intl

6:45 pm - 9:08 pmICN Incheon Intl-GEG Spokane

19h 23m1 stop Seattle/Tacoma Intl

$1,107Delta

Tue, Sep 22 - Tue, Dec 15

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American Airlines flights from Idaho to Seoul

Our best American Airlines deals on Idaho to Seoul flight tickets

American Airlines

Sep 16

BOI1:50 pmBoise Air Term. Gowen Fld

34h 55m

1 stop

ICN3:45 pmIncheon Intl

Sep 26

ICN5:50 pmIncheon Intl

19h 37m

1 stop

BOI10:27 pmBoise Air Term. Gowen Fld

$1,164

American Airlines

Sep 25

BOI1:50 pmBoise Air Term. Gowen Fld

34h 55m

1 stop

ICN3:45 pmIncheon Intl

Sep 28

ICN5:50 pmIncheon Intl

19h 37m

1 stop

BOI10:27 pmBoise Air Term. Gowen Fld

$1,165

American Airlines

Sep 16

BOI6:47 pmBoise Air Term. Gowen Fld

29h 58m

2 stops

ICN3:45 pmIncheon Intl

Sep 26

ICN5:50 pmIncheon Intl

19h 37m

1 stop

BOI10:27 pmBoise Air Term. Gowen Fld

$1,169

Air Canada flights from Idaho to Seoul

Our best Air Canada deals on Idaho to Seoul flight tickets

Air Canada

Oct 19

BOI6:50 pmBoise Air Term. Gowen Fld

30h 15m

2 stops

ICN4:05 pmIncheon Intl

Oct 22

ICN5:45 pmIncheon Intl

45h 14m

2 stops

BOI11:59 pmBoise Air Term. Gowen Fld

$1,439

Air Canada

Oct 19

BOI6:50 pmBoise Air Term. Gowen Fld

30h 15m

2 stops

ICN4:05 pmIncheon Intl

Oct 22

ICN5:45 pmIncheon Intl

30h 49m

2 stops

BOI9:34 amBoise Air Term. Gowen Fld

$1,462

Air Canada

Sep 1

BOI5:00 amBoise Air Term. Gowen Fld

20h 05m

2 stops

ICN4:05 pmIncheon Intl

Nov 30

ICN6:55 pmIncheon Intl

40h 21m

2 stops

BOI7:16 pmBoise Air Term. Gowen Fld

$5,384

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseIncheon

BOI Boise Air Term. Gowen Fld - ICN Incheon Intl

BOIICN

Boise Air Term. Gowen Fld

Mon 10/19

8:57 am-9:40 pm

1 stop21h 43m

Incheon Intl

Wed 10/28

7:45 pm-9:20 pm

1 stop16h 35m

$988

SpokaneIncheon

GEG Spokane - ICN Incheon Intl

GEGICN

Spokane

Tue 9/8

6:22 am-3:10 pm

2 stops40h 48m

Incheon Intl

Tue 11/10

12:55 pm-3:48 pm

2 stops43h 53m

$1,006

BoiseIncheon

BOI Boise Air Term. Gowen Fld - ICN Incheon Intl

BOIICN

Boise Air Term. Gowen Fld

Mon 9/21

10:14 am-9:40 pm

1 stop20h 26m

Incheon Intl

Wed 9/30

7:15 pm-10:27 pm

1 stop18h 12m

$1,011

BoiseIncheon

BOI Boise Air Term. Gowen Fld - ICN Incheon Intl

BOIICN

Boise Air Term. Gowen Fld

Mon 9/21

2:50 pm-5:30 am

2 stops47h 40m

Incheon Intl

Wed 9/30

7:15 pm-10:27 pm

1 stop18h 12m

$1,018

BoiseIncheon

BOI Boise Air Term. Gowen Fld - ICN Incheon Intl

BOIICN

Boise Air Term. Gowen Fld

Mon 10/19

9:12 am-9:40 pm

2 stops21h 28m

Incheon Intl

Wed 10/28

7:45 pm-9:20 pm

1 stop16h 35m

$1,039

BoiseIncheon

BOI Boise Air Term. Gowen Fld - ICN Incheon Intl

BOIICN

Boise Air Term. Gowen Fld

Mon 9/21

10:14 am-9:40 pm

1 stop20h 26m

Incheon Intl

Wed 9/30

7:15 pm-10:27 pm

1 stop18h 12m

$1,067

BoiseIncheon

BOI Boise Air Term. Gowen Fld - ICN Incheon Intl

BOIICN

Boise Air Term. Gowen Fld

Tue 9/8

6:47 pm-12:30 pm

2 stops26h 43m

Incheon Intl

Sat 10/24

6:00 pm-9:20 pm

1 stop18h 20m

$1,075

SpokaneIncheon

GEG Spokane - ICN Incheon Intl

GEGICN

Spokane

Tue 9/22

8:31 am-12:25 am

2 stops23h 54m

Incheon Intl

Mon 12/14

1:55 am-12:30 pm

2 stops27h 35m

$1,101

Quickest round-trip

SpokaneIncheon

GEG Spokane - ICN Incheon Intl

GEGICN

Spokane

Tue 9/8

5:10 am-4:50 pm

1 stop19h 40m

Incheon Intl

Tue 11/10

6:45 pm-2:56 pm

1 stop13h 11m

$1,107

SpokaneIncheon

GEG Spokane - ICN Incheon Intl

GEGICN

Spokane

Tue 9/22

7:05 am-4:50 pm

1 stop17h 45m

Incheon Intl

Tue 12/15

6:45 pm-9:08 pm

1 stop19h 23m

$1,107

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

Can stopping save me money on Idaho to Seoul flights?

You could potentially save up to 31% on your flight if you consider stops on a Idaho to Seoul flight.

Cheap Idaho to Seoul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Seoul

Best Price Found	$556
Fastest flight time	18h 20m
Direct flights	None

The best one-way flight to Seoul from Idaho in the past 72 hours is $556. The best round-trip flight deal from Idaho to Seoul found on momondo in the last 72 hours is $988.

The fastest flight from Idaho to Seoul takes 18h 20m

There are no direct flights from Idaho to Seoul. There are no popular flight routes from Idaho to Seoul.

Search flight deals

Frequently asked questions about flying 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?
As of August 2026, there is 1 operator available to choose from 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
Delta	PriceFrom $915	Free Cancellation	Rating 7.8 8,510 reviews		Search Delta flights
Asiana Airlines	PriceFrom $1,865	Free Cancellation	Rating 8.1 559 reviews		Search Asiana Airlines 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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Cheap flights from Idaho to Seoul from $556

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 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Idaho to Seoul

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Big names and deals

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Filter for what you want

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American Airlines flights from Idaho to Seoul

Our best American Airlines deals on Idaho to Seoul flight tickets

Air Canada flights from Idaho to Seoul

Our best Air Canada deals on Idaho to Seoul flight tickets

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Use the filters below to find and compare flights from Idaho to Seoul that are best for you.

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How to get the cheapest flight ticket from Idaho to Seoul

Can stopping save me money on Idaho to Seoul flights?

What is the cheapest airline that flies from Idaho to Seoul?

How long does it take to fly to Seoul?

Cheap Idaho to Seoul flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Idaho to Seoul

Best airlines flying from Idaho to Seoul

Compare and see reviews for airlines that fly from Idaho to Seoul with momondo

Why use momondo?

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Idaho

According to popular flight searches on momondo this year

Complete your trip to Seoul

Explore popular destinations other users love

According to popular flight searches on momondo this year