Incheon Intl

$635+ Cheap flights from Boise (BOI) 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ICN
Aug 19 — Aug 261
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Cheap flight deals from Boise to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Incheon Intl (ICN). 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 14, 2025.

Round-trip from

$890
(Kiwi.com)

One-way from

$635
(Delta)

Popular in

November

Cheapest in

August

Average price

$1,073
From Boise Air Term. Gowen Fld to Incheon Intl
One-way flight from Boise Air Term. Gowen Fld to Incheon Intl
Highest demand for flights based on searches. 34% potential increase in price ($841 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($94 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Boise to Incheon Intl

Cheapest flights from Boise to Incheon Intl
Explore the most affordable flight options available from Boise to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 10/39:26 pmBOI - ICN
2 stops30h 19mMultiple Airlines
Sun 10/196:20 pmICN - BOI
1 stop31h 19mMultiple Airlines
Deal found 8/13$890
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/281:37 pmBOI - ICN
1 stop34h 53mAmerican Airlines
Sun 10/55:25 pmICN - BOI
1 stop19h 20mAmerican Airlines
Deal found 8/14$897
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/288:42 pmBOI - ICN
2 stops27h 48mMultiple Airlines
Sun 10/55:25 pmICN - BOI
2 stops20h 50mMultiple Airlines
Deal found 8/14$902
This Delta deal was found by Cheapflights users on 8/13. 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 9/57:30 amBOI - ICN
1 stop18h 00mDelta
Mon 9/157:20 pmICN - BOI
1 stop19h 32mDelta
Deal found 8/13$921
This SmartFares deal was found by Cheapflights users on 8/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:00 amBOI - ICN
1 stop16h 55mMultiple Airlines
Wed 10/1512:45 pmICN - BOI
1 stop15h 50mMultiple Airlines
Deal found 8/12$928
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 10/39:26 pmBOI - ICN
2 stops30h 19mMultiple Airlines
Sat 10/1812:45 pmICN - BOI
1 stop15h 50mMultiple Airlines
Deal found 8/13$978
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 10/46:30 amBOI - ICN
1 stop19h 10mMultiple Airlines
Mon 10/206:20 pmICN - BOI
2 stops34h 15mMultiple Airlines
Deal found 8/13$985
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:19 amBOI - ICN
1 stop16h 16mHawaiian Airlines
Sun 10/198:35 pmICN - BOI
1 stop28h 00mHawaiian Airlines
Deal found 8/13$990
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:17 pmBOI - ICN
1 stop32h 18mHawaiian Airlines
Sun 10/198:35 pmICN - BOI
1 stop33h 01mHawaiian Airlines
Deal found 8/13$996

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 August 14, 2025.
Use the filters below to find and compare flights from Boise to Incheon Intl Airport that are best for you.

Fly from

Boise

Fly to

Incheon Intl

Route

Depart

Return

Price

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Fri 10/3

9:26 pm-6:45 pm

2 stops30h 19m

Incheon Intl

Sun 10/19

6:20 pm-10:39 am

1 stop31h 19m

$890

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 9/28

1:37 pm-3:30 pm

1 stop34h 53m

Incheon Intl

Sun 10/5

5:25 pm-9:45 pm

1 stop19h 20m

$897

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 9/28

8:42 pm-3:30 pm

2 stops27h 48m

Incheon Intl

Sun 10/5

5:25 pm-11:15 pm

2 stops20h 50m

$902

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Fri 9/5

7:30 am-4:30 pm

1 stop18h 00m

Incheon Intl

Mon 9/15

7:20 pm-11:52 pm

1 stop19h 32m

$921

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 11/17

6:05 pm-5:20 am

1 stop19h 15m

Incheon Intl

Fri 11/21

8:40 pm-11:02 pm

1 stop18h 22m

$928

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/22

7:00 pm-4:20 am

1 stop17h 20m

Incheon Intl

Thu 1/29

9:00 pm-10:20 pm

1 stop17h 20m

$946

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 1/8

8:40 am-4:30 pm

1 stop15h 50m

Incheon Intl

Tue 1/13

8:05 pm-11:58 pm

1 stop19h 53m

$961

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 10/12

8:55 am-3:20 pm

1 stop15h 25m

$635

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 10/12

8:26 pm-9:50 am

3 stops46h 24m

$3,488

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Boise to Incheon Intl

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

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

Find hourly flight availability from Boise 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 August 14, 2025.

When flying from Boise 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.

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 August 14, 2025.
Peruse reviews from past customers who have flown with Delta from Boise to Incheon Intl Airport 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.
8.0
Very good

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good
8.0
Very good

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

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 Incheon Intl. 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 Incheon Intl?

    Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Incheon Intl. On average, Air Term. Gowen Fld has 0 outbound flights to Incheon Intl per day from 1 airline. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

  • What is the cheapest airline to fly from Boise to Incheon Intl Airport round-trip?

    Cheapflights users have booked flights from Boise to Incheon Intl Airport round-trip from $1,072. You may be able to fly from Boise to Incheon Intl Airport for 32% less than the average price by searching for this airline.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Boise to Incheon Intl Airport (average of $994). Flying from Boise 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 Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

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Alternative routes for Boise to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Boise to Incheon Intl

Discover the top airline that operate flights from Boise 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,072Average$1,455FlexibilityNo cancel feeOn-timeN/A

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