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

United Airlines, Delta, and EVA Air are the most popular carriers operating from Idaho to Seoul

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 14h 52m and 26h 55m, 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 September 2025, 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.

$435 Cheap Flights from Idaho to Seoul in 2025/26

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Find the cheapest flights from Idaho to Seoul

Round-trip

One-way

Cheap round-trip flights

10:05 am - 6:35 pmBOI-ICN

16h 30m1 stop

6:55 pm - 11:59 pmICN-BOI

21h 04m2 stops

$863Multiple Airlines

Find Deal

Wed, Nov 5 - Wed, Nov 12

6:20 am - 4:15 pmBOI-ICN

17h 55m1 stop

6:00 pm - 11:28 pmICN-BOI

21h 28m1 stop

$864United Airlines

Find Deal

Thu, Nov 6 - Thu, Nov 13

11:43 am - 6:35 pmBOI-ICN

14h 52m1 stop

6:55 pm - 10:08 pmICN-BOI

19h 13m1 stop

$868Multiple Airlines

Find Deal

Wed, Nov 5 - Wed, Nov 12

5:30 am - 6:35 pmBOI-ICN

21h 05m1 stop

8:35 pm - 10:20 pmICN-BOI

17h 45m1 stop

$892Alaska Airlines

Find Deal

Thu, Jan 29 - Sun, Feb 1

5:45 pm - 4:20 pmBOI-ICN

30h 35m1 stop

8:05 pm - 6:25 pmICN-BOI

14h 20m1 stop

$966Delta

Find Deal

Sun, Jan 11 - Sun, Jan 18

6:00 am - 4:20 pmIDA-ICN

18h 20m1 stop

8:05 pm - 10:21 pmICN-IDA

18h 16m2 stops

$966Delta

Find Deal

Thu, Feb 26 - Mon, Mar 2

1:58 pm - 4:45 pmIDA-ICN

34h 47m1 stop

7:15 pm - 1:27 pmICN-IDA

34h 12m1 stop

$975American Airlines

Find Deal

Wed, Nov 5 - Wed, Nov 12

8:00 am - 6:35 pmIDA-ICN

18h 35m1 stop

8:35 pm - 10:38 pmICN-IDA

18h 03m1 stop

$988Alaska Airlines

Find Deal

Thu, Feb 19 - Mon, Feb 23

8:00 am - 6:35 pmIDA-ICN

18h 35m1 stop

8:35 pm - 10:38 pmICN-IDA

18h 03m1 stop

$1,071Hawaiian Airlines

Find Deal

Thu, Feb 26 - Mon, Mar 2

1:34 pm - 4:45 pmIDA-ICN

35h 11m1 stop

6:50 pm - 9:57 pmICN-IDA

43h 07m2 stops

$1,140American Airlines

Find Deal

Thu, Feb 19 - Mon, Feb 23

Delta flights from Idaho to Seoul

Our best Delta deals on Idaho to Seoul flight tickets

Delta

Jan 11

BOI5:45 pmBoise Air Term. Gowen Fld

30h 35m

1 stop

ICN4:20 pmIncheon Intl

Jan 18

ICN8:05 pmIncheon Intl

14h 20m

1 stop

BOI6:25 pmBoise Air Term. Gowen Fld

$966

Find similar

Delta

Jan 11

BOI1:10 pmBoise Air Term. Gowen Fld

35h 10m

1 stop

ICN4:20 pmIncheon Intl

Jan 18

ICN8:05 pmIncheon Intl

30h 19m

2 stops

BOI10:24 amBoise Air Term. Gowen Fld

$971

Find similar

Delta

Feb 8

BOI5:45 pmBoise Air Term. Gowen Fld

30h 45m

2 stops

ICN4:30 pmIncheon Intl

Feb 22

ICN8:05 pmIncheon Intl

20h 16m

2 stops

BOI12:21 amBoise Air Term. Gowen Fld

$978

Find similar

American Airlines flights from Idaho to Seoul

Our best American Airlines deals on Idaho to Seoul flight tickets

American Airlines

Nov 5

IDA1:58 pmIdaho Falls Fanning Field

34h 47m

1 stop

ICN4:45 pmIncheon Intl

Nov 12

ICN7:15 pmIncheon Intl

34h 12m

1 stop

IDA1:27 pmIdaho Falls Fanning Field

$975

Find similar

American Airlines

Feb 19

IDA1:34 pmIdaho Falls Fanning Field

35h 11m

1 stop

ICN4:45 pmIncheon Intl

Feb 23

ICN6:50 pmIncheon Intl

43h 07m

2 stops

IDA9:57 pmIdaho Falls Fanning Field

$1,140

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 11/5

10:05 am-6:35 pm

1 stop16h 30m

Incheon Intl

Wed 11/12

6:55 pm-11:59 pm

2 stops21h 04m

$863

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 11/6

6:20 am-4:15 pm

1 stop17h 55m

Incheon Intl

Thu 11/13

6:00 pm-11:28 pm

1 stop21h 28m

$864

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 11/5

11:43 am-6:35 pm

1 stop14h 52m

Incheon Intl

Wed 11/12

6:55 pm-10:08 pm

1 stop19h 13m

$868

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

5:30 am-6:35 pm

1 stop21h 05m

Incheon Intl

Sun 2/1

8:35 pm-10:20 pm

1 stop17h 45m

$892

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 1/11

5:45 pm-4:20 pm

1 stop30h 35m

Incheon Intl

Sun 1/18

8:05 pm-6:25 pm

1 stop14h 20m

$966

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 2/26

6:00 am-4:20 pm

1 stop18h 20m

Incheon Intl

Mon 3/2

8:05 pm-10:21 pm

2 stops18h 16m

$966

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 11/5

1:58 pm-4:45 pm

1 stop34h 47m

Incheon Intl

Wed 11/12

7:15 pm-1:27 pm

1 stop34h 12m

$975

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 2/19

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Mon 2/23

8:35 pm-10:38 pm

1 stop18h 03m

$988

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 2/26

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Mon 3/2

8:35 pm-10:38 pm

1 stop18h 03m

$1,071

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 2/19

1:34 pm-4:45 pm

1 stop35h 11m

Incheon Intl

Mon 2/23

6:50 pm-9:57 pm

2 stops43h 07m

$1,140

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

What is the cheapest day to depart on your flight to Seoul?

According to our data, Tuesday is the cheapest day to fly to Seoul from Idaho. The lowest ticket price found for a Tuesday departure recently was $1,142. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Wednesday, with ticket prices averaging around $1,868.

Cheap Idaho to Seoul flight deals and tips

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

Direct flights	None

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 September 2025, 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 $940	Free Cancellation	Rating 7.9 7,974 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

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.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Seoul Gimpo Intl Airport

Incheon Intl Airport

Fly to other destinations from Idaho

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Flights from Boise Air Term. Gowen Fld to San Jose

Flights from Boise Air Term. Gowen Fld to Bozeman Gallatin Field

Flights from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl

Flights from Boise Air Term. Gowen Fld to Santa Ana J. Wayne/Orange Cnty

Flights from Boise Air Term. Gowen Fld to San Francisco

Cheap flights from Idaho to Seoul from $435

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.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Idaho to Seoul

Cheap round-trip flights

Cheap one-way flights

Delta flights from Idaho to Seoul

Our best Delta deals on Idaho to Seoul flight tickets

American Airlines flights from Idaho to Seoul

Our best American Airlines 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.

See travel insights to Seoul from

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

What is the cheapest day to depart on your flight to Seoul?

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

United Airlines, Delta, and EVA Air are the most popular carriers operating from Idaho to Seoul

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 14h 52m and 26h 55m, respectively.

Cheap Idaho to Seoul flight deals and tips

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

Direct flights

When did momondo last update prices for flights from Idaho to Seoul?

How many operators does momondo search for flights from Idaho to Seoul?

How old do you have to be to fly from Idaho to Seoul?

What documentation or ID do you need to fly 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?

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