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$447+ Cheap flights from Idaho 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEL
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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Cheap flight deals from Idaho to Seoul

Keep the following information in mind while searching for Idaho to Seoul flight deals. Data was last updated June 23, 2025.

Round-trip from

$1,000
(Delta)

One-way from

$447
(Kiwi.com)
From Idaho to Seoul (SEL)
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One-way flight from Idaho to Seoul (SEL)
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Find flight deals from Idaho to Seoul

Cheapest flights from Idaho to Seoul
Explore the most affordable flight options available from Idaho to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2025.

This Delta deal was found by Cheapflights users on 6/22. 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 11/226:10 amGEG - ICN
1 stop17h 20mDelta
Sun 11/308:05 pmICN - GEG
1 stop21h 13mDelta
Deal found 6/22$1,000
This Delta deal was found by Cheapflights users on 6/22. 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.
Tue 8/58:50 amBOI - ICN
1 stop16h 40mDelta
Tue 10/288:05 pmICN - BOI
1 stop18h 54mDelta
Deal found 6/22$1,076
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:56 pmIDA - ICN
2 stops19h 24mUnited Airlines
Sun 9/144:50 pmICN - IDA
2 stops20h 58mUnited Airlines
Deal found 6/21$1,077
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Tue 8/1212:46 pmIDA - ICN
2 stops35h 44mAmerican Airlines
Fri 9/55:25 pmICN - IDA
2 stops33h 44mAmerican Airlines
Deal found 6/21$1,084
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 8/126:00 amIDA - ICN
1 stop18h 20mDelta
Fri 9/57:40 pmICN - IDA
1 stop17h 47mDelta
Deal found 6/23$1,112
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/237:07 pmBOI - ICN
1 stop18h 13mUnited Airlines
Sat 6/2811:30 amICN - BOI
1 stop22h 41mUnited Airlines
Deal found 6/21$1,141
This WhyPayMore deal was found by Cheapflights users on 6/21. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:20 pmGEG - ICN
1 stop30h 15mHawaiian Airlines
Fri 1/98:35 pmICN - GEG
1 stop13h 19mHawaiian Airlines
Deal found 6/21$1,306
This oojo deal was found by Cheapflights users on 6/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:45 pmGEG - ICN
2 stops32h 30mChina Airlines
Sun 11/3012:25 pmICN - GEG
2 stops27h 08mChina Airlines
Deal found 6/22$1,391
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:30 amGEG - ICN
1 stop18h 05mAlaska Airlines
Sat 1/108:35 pmICN - GEG
1 stop13h 19mAlaska Airlines
Deal found 6/21$1,406
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/211:47 pmGEG - ICN
2 stops33h 28mUnited Airlines
Sun 11/306:00 pmICN - GEG
1 stop33h 42mUnited Airlines
Deal found 6/22$1,446
This oojo deal was found by Cheapflights users on 6/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:13 amIDA - ICN
2 stops43h 52mQatar Airways
Sat 9/131:20 amICN - IDA
2 stops36h 19mQatar Airways
Deal found 6/21$1,602
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:35 amGEG - ICN
2 stops24h 05mMultiple Airlines
Thu 1/88:35 pmICN - GEG
1 stop15h 04mMultiple Airlines
Deal found 6/21$1,800

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho 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 June 23, 2025.
Use the filters below to find and compare flights from Idaho to Seoul that are best for you.

Fly from

Idaho

Fly to

Seoul

Route

Depart

Return

Price

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Sat 11/22

6:10 am-4:30 pm

1 stop17h 20m

Incheon Intl

Sun 11/30

8:05 pm-12:18 am

1 stop21h 13m

$1,000

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Tue 8/5

8:50 am-4:30 pm

1 stop16h 40m

Incheon Intl

Tue 10/28

8:05 pm-11:59 pm

1 stop18h 54m

$1,076

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 9/1

5:56 pm-4:20 am

2 stops19h 24m

Incheon Intl

Sun 9/14

4:50 pm-10:48 pm

2 stops20h 58m

$1,077

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Tue 8/12

12:46 pm-3:30 pm

2 stops35h 44m

Incheon Intl

Fri 9/5

5:25 pm-12:09 pm

2 stops33h 44m

$1,084

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Tue 8/12

6:00 am-3:20 pm

1 stop18h 20m

Incheon Intl

Fri 9/5

7:40 pm-10:27 pm

1 stop17h 47m

$1,112

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Tue 12/16

7:20 pm-6:35 pm

1 stop30h 15m

Incheon Intl

Fri 1/9

8:35 pm-4:54 pm

1 stop13h 19m

$1,306

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Sat 11/22

8:40 pm-7:15 pm

2 stops29h 35m

Incheon Intl

Sun 11/30

12:25 pm-10:33 pm

2 stops27h 08m

$1,391

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Wed 12/17

7:30 am-6:35 pm

1 stop18h 05m

Incheon Intl

Sat 1/10

8:35 pm-4:54 pm

1 stop13h 19m

$1,406

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Fri 11/21

1:47 pm-4:15 pm

2 stops33h 28m

Incheon Intl

Sun 11/30

6:00 pm-10:42 am

1 stop33h 42m

$1,446

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Tue 8/5

7:15 pm-4:20 am

1 stop18h 05m

Incheon Intl

Tue 10/28

11:45 am-1:44 pm

1 stop40h 59m

$1,593

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 26 results
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Best time to book a flight from Idaho to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Idaho 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 Idaho to Seoul

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

Find hourly flight availability from Idaho 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 June 23, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Seoul as you normally would.

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 23, 2025.
To help decide which airline to fly from Idaho to Seoul, see what other customers have to say about EVA Air, China Airlines and ANA. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,207 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
744 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
887 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Alaska Airlines
8.0
Very good
10,000 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,966 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

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

  • What are the cheapest airlines to fly from Idaho to Seoul one-way?

    One-way options have recently been found by users for as low as $617 on China Airlines. Other airlines that offer cheap prices include American Airlines from $653 and EVA Air from $672 one-way.

  • What are the most popular routes from Idaho to Seoul?

    The most popular flight routes from Idaho to Seoul are Idaho Falls Fanning Field - Incheon Intl, Spokane - Incheon Intl and Boise Air Term. Gowen Fld - Incheon Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Seoul?

    Currently, February is the cheapest month in which you can book a flight from Idaho to Seoul (average of $1,000). Flying from Idaho 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 Idaho to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Idaho to Seoul

Discover the top airline that operate flights from Idaho 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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,072Average$1,481FlexibilityNo cancel feeOn-timeN/A

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