How long does it take to fly to Seoul?

If you’re flying from a popular airport in Idaho, such as Boise or Idaho Falls, and flying into Seoul, then you can expect flight times to average 17h 25m and 30h 42m, respectively.

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 February 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.

$408 Cheap Flights from Idaho to Seoul in 2026

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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.

6:00 am - 6:35 pm

IDA

ICN

21h 35m

1 stop

8:35 pm - 10:52 pm

ICN

IDA

17h 17m

1 stop

$820Multiple Airlines

Wed, Mar 25 - Wed, Apr 1

6:28 am - 6:35 pm

BOI

ICN

20h 07m

1 stop

8:35 pm - 9:15 pm

ICN

BOI

16h 40m

1 stop

$827Multiple Airlines

Sun, Feb 22 - Thu, Feb 26

10:53 am - 4:15 pm

BOI

ICN

37h 22m

1 stop

12:45 pm - 8:55 pm

ICN

BOI

24h 10m

2 stops

$887United Airlines

Sun, Feb 22 - Thu, Feb 26

7:11 am - 5:40 am

BOI

ICN

54h 29m

2 stops

6:00 pm - 11:48 pm

ICN

BOI

21h 48m

2 stops

$893United Airlines

Sun, Feb 22 - Thu, Feb 26

1:10 pm - 4:30 pm

IDA

ICN

36h 20m

2 stops

7:20 pm - 10:16 pm

ICN

IDA

17h 56m

1 stop

$1,100Delta

Wed, Mar 25 - Wed, Apr 1

1:10 pm - 4:30 pm

IDA

ICN

36h 20m

2 stops

7:00 pm - 10:16 pm

ICN

IDA

18h 16m

2 stops

$1,150Delta

Wed, Mar 25 - Wed, Apr 1

9:14 am - 10:40 am

GEG

GMP

33h 26m

2 stops

8:00 am - 2:44 pm

GMP

GEG

22h 44m

2 stops

$1,490Japan Airlines

Tue, May 26 - Fri, Jun 19

9:14 am - 10:40 am

GEG

GMP

33h 26m

2 stops

8:00 am - 2:44 pm

GMP

GEG

22h 44m

2 stops

$1,548Japan Airlines

Wed, May 27 - Fri, Jun 19

8:39 am - 10:20 pm

BOI

GMP

46h 41m

2 stops

7:40 am - 3:28 pm

GMP

BOI

22h 48m

2 stops

$3,029ANA

Fri, Mar 27 - Sat, Apr 4

8:39 am - 6:35 pm

BOI

GMP

42h 56m

2 stops

12:40 pm - 4:48 pm

GMP

BOI

43h 08m

2 stops

$3,618ANA

Sat, Mar 28 - Sat, Apr 4

United Airlines flights from Idaho to Seoul

Our best United Airlines deals on Idaho to Seoul flight tickets

United Airlines

Feb 16

GEG12:38 pmSpokane

24h 02m

1 stop

ICN5:40 amIncheon Intl

Feb 23

ICN12:45 pmIncheon Intl

16h 00m

1 stop

GEG11:45 amSpokane

$878

United Airlines

Feb 19

GEG12:38 pmSpokane

24h 02m

1 stop

ICN5:40 amIncheon Intl

Mar 5

ICN12:45 pmIncheon Intl

21h 41m

2 stops

GEG5:26 pmSpokane

$882

United Airlines

Feb 22

BOI10:53 amBoise Air Term. Gowen Fld

37h 22m

1 stop

ICN4:15 pmIncheon Intl

Feb 26

ICN12:45 pmIncheon Intl

24h 10m

2 stops

BOI8:55 pmBoise Air Term. Gowen Fld

$887

Delta flights from Idaho to Seoul

Our best Delta deals on Idaho to Seoul flight tickets

Delta

Feb 16

BOI5:35 amBoise Air Term. Gowen Fld

18h 45m

1 stop

ICN4:20 pmIncheon Intl

Mar 11

ICN8:05 pmIncheon Intl

15h 55m

1 stop

BOI9:00 pmBoise Air Term. Gowen Fld

$827

Delta

Feb 16

BOI5:35 amBoise Air Term. Gowen Fld

18h 55m

2 stops

ICN4:30 pmIncheon Intl

Mar 10

ICN8:05 pmIncheon Intl

17h 06m

2 stops

BOI10:11 pmBoise Air Term. Gowen Fld

$831

Delta

Feb 14

BOI5:35 amBoise Air Term. Gowen Fld

18h 45m

1 stop

ICN4:20 pmIncheon Intl

Mar 12

ICN8:05 pmIncheon Intl

13h 37m

1 stop

BOI6:42 pmBoise Air Term. Gowen Fld

$877

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

$820

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/22

6:28 am-6:35 pm

1 stop20h 07m

Incheon Intl

Thu 2/26

8:35 pm-9:15 pm

1 stop16h 40m

$827

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-8:55 pm

2 stops24h 10m

$887

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/22

7:11 am-5:40 am

2 stops54h 29m

Incheon Intl

Thu 2/26

6:00 pm-11:48 pm

2 stops21h 48m

$893

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

1:10 pm-4:30 pm

2 stops36h 20m

Incheon Intl

Wed 4/1

7:20 pm-10:16 pm

1 stop17h 56m

$1,100

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

1:10 pm-4:30 pm

2 stops36h 20m

Incheon Intl

Wed 4/1

7:00 pm-10:16 pm

2 stops18h 16m

$1,150

SpokaneSeoul

GEG - GMP

GEGGMP

Spokane

Tue 5/26

9:14 am-10:40 am

2 stops33h 26m

Seoul Gimpo Intl

Fri 6/19

8:00 am-2:44 pm

2 stops22h 44m

$1,490

SpokaneSeoul

GEG - GMP

GEGGMP

Spokane

Wed 5/27

9:14 am-10:40 am

2 stops33h 26m

Seoul Gimpo Intl

Fri 6/19

8:00 am-2:44 pm

2 stops22h 44m

$1,548

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Fri 3/27

8:39 am-10:20 pm

2 stops46h 41m

Seoul Gimpo Intl

Sat 4/4

7:40 am-3:28 pm

2 stops22h 48m

$3,029

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Sat 3/28

8:39 am-6:35 pm

2 stops42h 56m

Seoul Gimpo Intl

Sat 4/4

12:40 pm-4:48 pm

2 stops43h 08m

$3,618

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

Airlines

Other information

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

United Airlines, Japan Airlines, and ANA are the most popular carriers operating from Idaho to Seoul

Cheap Idaho to Seoul flight deals and tips

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

Fastest flight time	16h 37m
Direct flights	None

The fastest flight from Idaho to Seoul takes 16h 37m

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

Search flight deals

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 February 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 7.9 8,187 reviews		Search Delta 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.

An easier way to manage your Seoul trip

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Incheon Intl Airport

Cheap flights from Idaho to Seoul from $408

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 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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Find the cheapest flights from Idaho to Seoul

Cheap round-trip flights

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Cheap last minute flights

United Airlines flights from Idaho to Seoul

Our best United Airlines deals on Idaho to Seoul flight tickets

Delta flights from Idaho to Seoul

Our best Delta 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

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

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

Fastest flight time

Direct flights

Best airlines flying from Idaho to Seoul

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

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Seoul?

Can I find flights from Idaho to Seoul with flexible booking policies on momondo?

How can momondo help me find flights from Idaho to Seoul?

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

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

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Explore popular destinations other users love

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