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$447+ Cheap flights from Idaho to South Korea

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 — ICN
jun. 28 — jul. 51
sáb. 6/28
sáb. 7/5
1 adult, Economy
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Cheap flight deals from Idaho to South Korea

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

Round-trip from

$1,000
(Delta)

One-way from

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

Cheapest flights from Idaho to South Korea
Explore the most affordable flight options available from Idaho to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 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.
sáb. 11/226:10 amGEG - ICN
1 stop17h 20mDelta
dom. 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.
mar. 8/58:50 amBOI - ICN
1 stop16h 40mDelta
mar. 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.
lun. 9/15:56 pmIDA - ICN
2 stops19h 24mUnited Airlines
dom. 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.
mar. 8/1212:46 pmIDA - ICN
2 stops35h 44mAmerican Airlines
vie. 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.
mar. 8/126:00 amIDA - ICN
1 stop18h 20mDelta
vie. 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.
lun. 6/237:07 pmBOI - ICN
1 stop18h 13mUnited Airlines
sáb. 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.
mar. 12/167:20 pmGEG - ICN
1 stop30h 15mHawaiian Airlines
vie. 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.
sáb. 11/225:45 pmGEG - ICN
2 stops32h 30mChina Airlines
dom. 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.
mié. 12/177:30 amGEG - ICN
1 stop18h 05mAlaska Airlines
sáb. 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.
vie. 11/211:47 pmGEG - ICN
2 stops33h 28mUnited Airlines
dom. 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.
lun. 9/16:13 amIDA - ICN
2 stops43h 52mQatar Airways
sáb. 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.
mié. 12/1711:35 amGEG - ICN
2 stops24h 05mMultiple Airlines
jue. 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 South Korea 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 junio 23, 2025.
Use the filters below to find and compare flights from Idaho to South Korea that are best for you.

Fly from

Idaho

Fly to

South Korea

Route

Depart

Return

Price

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

sáb. 11/22

6:10 am-4:30 pm

1 stop17h 20m

Incheon Intl

dom. 11/30

8:05 pm-12:18 am

1 stop21h 13m

$1,000

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

mar. 8/5

8:50 am-4:30 pm

1 stop16h 40m

Incheon Intl

mar. 10/28

8:05 pm-11:59 pm

1 stop18h 54m

$1,076

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

lun. 9/1

5:56 pm-4:20 am

2 stops19h 24m

Incheon Intl

dom. 9/14

4:50 pm-10:48 pm

2 stops20h 58m

$1,077

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

mar. 8/12

12:46 pm-3:30 pm

2 stops35h 44m

Incheon Intl

vie. 9/5

5:25 pm-12:09 pm

2 stops33h 44m

$1,084

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

mar. 8/12

6:00 am-3:20 pm

1 stop18h 20m

Incheon Intl

vie. 9/5

7:40 pm-10:27 pm

1 stop17h 47m

$1,112

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

mar. 12/16

7:20 pm-6:35 pm

1 stop30h 15m

Incheon Intl

vie. 1/9

8:35 pm-4:54 pm

1 stop13h 19m

$1,306

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

sáb. 11/22

8:40 pm-7:15 pm

2 stops29h 35m

Incheon Intl

dom. 11/30

12:25 pm-10:33 pm

2 stops27h 08m

$1,391

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

mié. 12/17

7:30 am-6:35 pm

1 stop18h 05m

Incheon Intl

sáb. 1/10

8:35 pm-4:54 pm

1 stop13h 19m

$1,406

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

vie. 11/21

1:47 pm-4:15 pm

2 stops33h 28m

Incheon Intl

dom. 11/30

6:00 pm-10:42 am

1 stop33h 42m

$1,446

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

mar. 8/5

7:15 pm-4:20 am

1 stop18h 05m

Incheon Intl

mar. 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 South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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 South Korea

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

Find hourly flight availability from Idaho to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 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 South Korea as you normally would.

Rainfall in South Korea by month

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

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

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

If weather is an important factor for your trip to South Korea, 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 28.4 F).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated junio 23, 2025.
Peruse reviews from past customers who have flown with EVA Air, China Airlines and ANA from Idaho to South Korea to help guide your decision. Users have also rated airlines 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

Food

8.1

Overall

8.4

Crew

8.6

Comfort

8.3

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

Food

8.1

Overall

8.4

Crew

8.6

Comfort

8.3

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
745 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Crew

8.6

Comfort

8.3

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

Food

8.1

Overall

8.4

Crew

8.6

Comfort

8.3

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

Food

8.1

Overall

8.4

Crew

8.6

Comfort

8.3

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
7,965 reviews
EVA Air
8.4
Very good
1,207 reviews

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Crew

8.6

Comfort

8.3

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 South Korea. 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 South Korea 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.

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

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

  • How can I find direct flights from Idaho to South Korea?

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

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

    Yes. Cheapflights offers flight deals from Idaho to South Korea 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 South Korea?

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

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Top airline flying from Idaho to South Korea

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

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