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$638+ Cheap flights from Boise (BOI) to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEL
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from Boise to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 21, 2025.

Round-trip from

$897
(American Airlines)

One-way from

$638
(Delta)
From Boise Air Term. Gowen Fld to Seoul (SEL)
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One-way flight from Boise Air Term. Gowen Fld to Seoul (SEL)
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Find flight deals from Boise to Seoul

Cheapest flights from Boise to Seoul
Explore the most affordable flight options available from Boise to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/51:37 pmBOI - ICN
1 stop34h 53mAmerican Airlines
Sun 10/125:45 pmICN - BOI
1 stop19h 39mAmerican Airlines
Deal found 8/21$897
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/58:26 pmBOI - ICN
2 stops28h 04mMultiple Airlines
Sun 10/125:45 pmICN - BOI
1 stop19h 39mMultiple Airlines
Deal found 8/21$902
This SmartFares deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:00 amBOI - ICN
1 stop17h 55mMultiple Airlines
Wed 8/272:40 pmICN - BOI
1 stop23h 14mMultiple Airlines
Deal found 8/21$926
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:05 pmBOI - ICN
2 stops33h 40mMultiple Airlines
Wed 10/156:20 pmICN - BOI
1 stop31h 19mMultiple Airlines
Deal found 8/20$931
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:00 amBOI - ICN
2 stops19h 30mDelta
Wed 10/157:20 pmICN - BOI
2 stops17h 31mDelta
Deal found 8/20$966
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:43 pmBOI - ICN
2 stops31h 47mDelta
Sun 10/127:20 pmICN - BOI
2 stops17h 31mDelta
Deal found 8/21$978
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:00 amBOI - ICN
1 stop15h 30mDelta
Sun 11/167:30 pmICN - BOI
1 stop20h 08mDelta
Deal found 8/21$980
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:35 amBOI - ICN
1 stop16h 55mDelta
Tue 1/138:05 pmICN - BOI
1 stop16h 08mDelta
Deal found 8/20$999
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:30 amBOI - ICN
1 stop18h 00mDelta
Fri 8/297:40 pmICN - BOI
1 stop18h 20mDelta
Deal found 8/21$1,004
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:35 amBOI - ICN
1 stop20h 20mMultiple Airlines
Fri 9/128:40 pmICN - BOI
1 stop17h 14mMultiple Airlines
Deal found 8/20$1,046
This Orbitz deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:27 pmBOI - GMP
2 stops30h 33mMultiple Airlines
Fri 8/297:20 pmGMP - BOI
2 stops40h 50mMultiple Airlines
Deal found 8/21$1,403
This American Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:10 amBOI - GMP
2 stops22h 40mMultiple Airlines
Wed 10/157:55 amGMP - BOI
2 stops20h 40mMultiple Airlines
Deal found 8/20$1,462

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Seoul 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, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Boise to Seoul that are best for you.

Fly from

Boise

Fly to

Seoul

Route

Depart

Return

Price

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 10/5

1:37 pm-3:30 pm

1 stop34h 53m

Incheon Intl

Sun 10/12

5:45 pm-10:24 pm

1 stop19h 39m

$897

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 10/5

8:26 pm-3:30 pm

2 stops28h 04m

Incheon Intl

Sun 10/12

5:45 pm-10:24 pm

1 stop19h 39m

$902

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 10/6

8:00 am-5:55 pm

1 stop18h 55m

Incheon Intl

Thu 10/16

12:45 pm-10:56 pm

1 stop25h 11m

$926

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 10/1

11:22 am-5:55 pm

1 stop15h 33m

Incheon Intl

Wed 10/15

12:45 pm-10:56 pm

1 stop25h 11m

$926

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-11:55 pm

1 stop19h 20m

$961

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

5:40 am-3:30 pm

1 stop17h 50m

Incheon Intl

Sun 2/1

8:05 pm-10:24 am

2 stops30h 19m

$966

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Wed 10/1

8:10 am-9:50 pm

2 stops22h 40m

Seoul Gimpo Intl

Wed 10/15

7:55 am-1:35 pm

2 stops20h 40m

$1,462

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Mon 12/22

8:30 am-11:20 am

2 stops34h 50m

Seoul Gimpo Intl

Mon 1/12

7:50 pm-10:59 pm

2 stops19h 09m

$2,221

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Tue 10/7

3:37 pm-12:50 pm

2 stops54h 13m

Seoul Gimpo Intl

Fri 10/17

1:50 pm-10:56 pm

2 stops24h 06m

$2,310

BoiseSeoul

BOI - GMP

BOIGMP

Boise Air Term. Gowen Fld

Tue 12/23

8:30 am-10:30 pm

2 stops46h 00m

Seoul Gimpo Intl

Mon 1/12

12:25 pm-4:31 pm

2 stops44h 06m

$2,727

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 14 results
1
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Best time to book a flight from Boise to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Boise with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Seoul

What is the cheapest time of day to fly from BOI to SEL?

Find hourly flight availability from Boise to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

When flying from Boise to Seoul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated August 21, 2025.
Peruse reviews from past customers who have flown with Delta from Boise to Seoul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Boise to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boise to Seoul?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly out of if you book a flight from Boise to Seoul. You should not have trouble finding flights to Seoul from Air Term. Gowen Fld; the airport handles an average of 0 outbound flights to Seoul per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Boise airport to Seoul. It is only a 3.3 mi journey to Air Term. Gowen Fld (BOI) from Boise’s city center.

  • How long is the flight from Boise to Seoul?

    For as low as $897, American Airlines can have you in Seoul from Boise in 34h 53m. The distance between Boise and Seoul is about 5598 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Boise to Seoul round-trip?

    Delta, at $1,072, was found to be the cheapest airline from Boise to Seoul..

  • Can I find deals for flights from Boise to Seoul that include hotel bookings?

    Yes. In addition to deals on Boise to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Seoul.

  • Can I find deals for business class flights from Boise to Seoul?

    Yes. Cheapflights offers flight deals from Boise to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Seoul?

    Currently, February is the cheapest month in which you can book a flight from Boise to Seoul (average of $992). Flying from Boise to Seoul in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boise to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Incheon Intl flights
Boise to Gimpo Intl flights
Spokane to Incheon Intl flights
Idaho Falls to Incheon Intl flights

Top airline flying from Boise to Seoul

Discover the top airline that operate flights from Boise to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,072Average$1,455FlexibilityNo cancel feeOn-timeN/A

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