HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$445+ Cheap flights from Idaho to Incheon Intl (ICN)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ICN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Incheon Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho to Incheon Intl

Keep the following information in mind while searching for Idaho to Incheon Intl flight deals. Data was last updated June 12, 2025.

Round-trip from

$976
(Delta)

One-way from

$445
(Kiwi.com)
From Idaho to Incheon Intl
Search Deals
One-way flight from Idaho to Incheon Intl
Search Deals

Find flight deals from Idaho to Incheon Intl

Cheapest flights from Idaho to Incheon Intl
Explore the most affordable flight options available from Idaho to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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 10/219:10 amGEG - ICN
1 stop15h 20mDelta
Sun 11/28:05 pmICN - GEG
1 stop13h 52mDelta
Deal found 6/12$976
This Jetabroad deal was found by Cheapflights users on 6/12. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:34 pmGEG - ICN
1 stop31h 01mHawaiian Airlines
Sun 11/28:35 pmICN - GEG
2 stops19h 40mHawaiian Airlines
Deal found 6/12$1,046
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 11/131:47 pmGEG - ICN
2 stops22h 53mUnited Airlines
Sat 11/2212:45 pmICN - GEG
2 stops19h 36mUnited Airlines
Deal found 6/9$1,061
This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 8/45:20 amBOI - ICN
1 stop21h 00mDelta
Thu 8/147:20 pmICN - BOI
1 stop18h 03mDelta
Deal found 6/11$1,075
This oojo deal was found by Cheapflights users on 6/12. 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 9/225:46 pmGEG - ICN
2 stops33h 49mChina Airlines
Thu 9/258:35 pmICN - GEG
2 stops32h 10mChina Airlines
Deal found 6/12$1,085
This Delta deal was found by Cheapflights users on 6/10. 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 stop13h 31mDelta
Deal found 6/10$1,110
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 6/117:50 amBOI - ICN
1 stop16h 10mUnited Airlines
Wed 6/1811:30 amICN - BOI
1 stop17h 20mUnited Airlines
Deal found 6/10$1,142
This oojo deal was found by Cheapflights users on 6/12. 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.
Tue 10/218:53 pmGEG - ICN
2 stops22h 07mEVA Air
Sun 11/211:40 amICN - GEG
2 stops26h 39mEVA Air
Deal found 6/12$1,151
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 9/2212:35 pmGEG - ICN
1 stop34h 55mMultiple Airlines
Thu 9/255:25 pmICN - GEG
2 stops22h 34mMultiple Airlines
Deal found 6/12$1,201
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 9/224:23 pmGEG - ICN
3 stops34h 37mAlaska Airlines
Thu 9/258:35 pmICN - GEG
2 stops33h 21mAlaska Airlines
Deal found 6/12$1,305
This Korean Air deal was found by Cheapflights users on 6/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:00 amIDA - ICN
1 stop18h 20mMultiple Airlines
Wed 8/137:40 pmICN - IDA
1 stop17h 47mMultiple Airlines
Deal found 6/12$1,342
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/136:00 amBOI - ICN
3 stops22h 00mAlaska Airlines
Mon 7/289:25 pmICN - BOI
2 stops26h 48mAlaska Airlines
Deal found 6/11$1,630

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho to Incheon Intl 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 12, 2025.
Use the filters below to find and compare flights from Idaho to Incheon Intl Airport that are best for you.

Fly from

Idaho

Fly to

Incheon Intl

Route

Depart

Return

Price

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Tue 10/21

9:10 am-4:30 pm

1 stop15h 20m

Incheon Intl

Sun 11/2

8:05 pm-4:57 pm

1 stop13h 52m

$976

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Tue 10/21

7:34 pm-6:35 pm

1 stop31h 01m

Incheon Intl

Sun 11/2

8:35 pm-11:15 pm

2 stops19h 40m

$1,046

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Thu 11/13

1:47 pm-5:40 am

2 stops22h 53m

Incheon Intl

Sat 11/22

12:45 pm-3:21 pm

2 stops19h 36m

$1,061

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 8/4

5:20 am-5:20 pm

1 stop21h 00m

Incheon Intl

Thu 8/14

7:20 pm-10:23 pm

1 stop18h 03m

$1,075

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/22

5:46 pm-7:35 pm

2 stops33h 49m

Incheon Intl

Thu 9/25

8:35 pm-12:45 pm

2 stops32h 10m

$1,085

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-6:11 pm

1 stop13h 31m

$1,110

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 6/28

7:15 pm-4:20 am

1 stop18h 05m

Incheon Intl

Sat 7/12

4:50 pm-4:40 pm

1 stop14h 50m

$1,142

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Tue 10/21

8:53 pm-11:00 am

2 stops22h 07m

Incheon Intl

Sun 11/2

11:40 am-10:19 pm

2 stops26h 39m

$1,151

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/22

12:35 pm-3:30 pm

1 stop34h 55m

Incheon Intl

Thu 9/25

5:25 pm-11:59 pm

2 stops22h 34m

$1,201

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/22

4:23 pm-7:00 pm

3 stops34h 37m

Incheon Intl

Thu 9/25

8:35 pm-1:56 pm

2 stops33h 21m

$1,305

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Idaho to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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 Incheon Intl Airport

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

Find hourly flight availability from Idaho to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

Rainfall in Incheon Intl by month

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

In terms of precipitation, rainfall in Incheon Intl Airport 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 Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

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

If weather is an important factor for your trip to Incheon Intl Airport, 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 Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown EVA Air, China Airlines and Alaska Airlines from Idaho to Seoul. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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
1,202 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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
7,946 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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
Hawaiian Airlines
7.9
Good
2,494 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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 Incheon Intl. 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 Incheon Intl Airport one-way?

    $617 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and EVA Air, with prices starting from $623 and $672, respectively.

  • What are the most popular routes from Idaho to Incheon Intl Airport?

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

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

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

  • How can I find direct flights from Idaho to Incheon Intl?

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

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

    Yes. Cheapflights offers flight deals from Idaho to Incheon Intl 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 Incheon Intl Airport?

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

Traveling to a place near Idaho?

Book flights to Idaho if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Incheon Intl flights
John F Kennedy Intl to Incheon Intl flights
Seattle to Incheon Intl flights
Dulles Intl to Incheon Intl flights
Dallas/Fort Worth to Incheon Intl flights
Los Angeles to Gimpo Intl flights
San Francisco to Incheon Intl flights
O'Hare Intl to Incheon Intl flights
LaGuardia to Incheon Intl flights
John F Kennedy Intl to Gimpo Intl flights
Newark to Incheon Intl flights
Atlanta to Incheon Intl flights
Boston to Incheon Intl flights
San Francisco to Gimpo Intl flights
Newark to Gimpo Intl flights
Hobby to Incheon Intl flights
Baltimore to Incheon Intl flights
Ontario to Incheon Intl flights
Reagan-National to Incheon Intl flights
Dulles Intl to Gimpo Intl flights
Seattle to Gimpo Intl flights
O'Hare Intl to Gimpo Intl flights
Honolulu to Incheon Intl flights
Santa Ana to Incheon Intl flights
San Jose to Incheon Intl flights
Las Vegas to Incheon Intl flights
Minneapolis to Incheon Intl flights
Dallas/Fort Worth to Gimpo Intl flights
LaGuardia to Gimpo Intl flights
Oakland to Incheon Intl flights
Salt Lake City to Incheon Intl flights
Orlando to Incheon Intl flights
George Bush Intcntl to Incheon Intl flights
Portland to Incheon Intl flights
Love Field to Incheon Intl flights
Atlanta to Gimpo Intl flights
Philadelphia to Incheon Intl flights
Burbank to Incheon Intl flights
Midway to Incheon Intl flights
Detroit to Incheon Intl flights
Boston to Gimpo Intl flights
Denver to Incheon Intl flights
Reagan-National to Gimpo Intl flights
Sky Harbor Intl to Incheon Intl flights
Baltimore to Gimpo Intl flights
San Jose to Gimpo Intl flights
Honolulu to Gimpo Intl flights
George Bush Intcntl to Gimpo Intl flights

Top airline flying from Idaho to Incheon Intl

Discover the top airline that operate flights from Idaho to Incheon Intl. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,117Average$1,498FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.