HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$508+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ICN
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise 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 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 September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$792
(Alaska Airlines)

One-way from

$508
(Delta)

Popular in

November

Cheapest in

October

Average price

$1,602
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Incheon Intl flights.
Search Deals
From Boise Air Term. Gowen Fld to Incheon Intl
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Incheon Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($414 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($92 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Mon 11/38:41 amBOI - ICN
1 stop19h 49mMultiple Airlines
Tue 11/259:20 pmICN - BOI
2 stops17h 04mMultiple Airlines
Deal found 9/24$872
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 11/88:41 amBOI - ICN
2 stops44h 54mMultiple Airlines
Sat 11/159:00 pmICN - BOI
1 stop13h 02mMultiple Airlines
Deal found 9/24$904
This Delta deal was found by Cheapflights users on 9/25. 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 11/167:40 pmICN - BOI
1 stop18h 09mDelta
Deal found 9/25$980
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/162:44 pmBOI - ICN
1 stop33h 16mUnited Airlines
Thu 10/234:50 pmICN - BOI
1 stop17h 25mUnited Airlines
Deal found 9/25$995
This Delta deal was found by Cheapflights users on 9/24. 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 11/85:55 pmBOI - ICN
2 stops30h 35mDelta
Sat 11/158:05 pmICN - BOI
2 stops30h 07mDelta
Deal found 9/24$1,029
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 11/198:41 amBOI - ICN
1 stop19h 49mMultiple Airlines
Sun 11/309:20 pmICN - BOI
2 stops55h 52mMultiple Airlines
Deal found 9/24$1,193

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 September 25, 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

Thu 1/29

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Sun 2/1

8:35 pm-10:20 pm

1 stop17h 45m

$792

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/8

9:50 am-6:35 pm

1 stop16h 45m

Incheon Intl

Sun 2/22

8:35 pm-11:55 pm

1 stop19h 20m

$792

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

9:50 am-6:35 pm

1 stop16h 45m

Incheon Intl

Sun 2/1

8:35 pm-10:20 pm

1 stop17h 45m

$864

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Mon 11/3

8:41 am-8:30 pm

1 stop19h 49m

Incheon Intl

Tue 11/25

9:20 pm-10:24 pm

2 stops17h 04m

$872

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 2/8

8:00 am-6:35 pm

2 stops18h 35m

Incheon Intl

Sun 2/22

8:35 pm-6:20 pm

1 stop13h 45m

$894

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 11/8

8:41 am-9:35 pm

2 stops44h 54m

Incheon Intl

Sat 11/15

9:00 pm-6:02 pm

1 stop13h 02m

$904

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Thu 1/29

5:55 am-4:30 pm

2 stops18h 35m

Incheon Intl

Sun 2/1

7:30 pm-9:02 pm

1 stop17h 32m

$966

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 11/19

5:20 am-4:30 pm

1 stop19h 10m

$508

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 10/12

6:00 am-3:20 pm

1 stop18h 20m

$784

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sun 10/12

6:30 am-6:45 pm

2 stops45h 15m

$972

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 11 results
1
2

Compare providers for flights from Boise to Incheon Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Incheon Intl in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Incheon Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Incheon Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 $988). Flying from Boise to Incheon Intl Airport in December is currently the most expensive (average of $1,605). 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.

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 September 25, 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 September 25, 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.
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

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!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

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.

  • How long is the flight from Boise to Incheon Intl Airport?

    Departing from Boise to Incheon Intl Airport will take you 16h 45m. The distance between Boise and Incheon Intl Airport is about 5598 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $940. You may be able to fly from Boise to Incheon Intl Airport for 38% 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 $988). Flying from Boise to Incheon Intl Airport in December is currently the most expensive (average of $1,605). 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

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 Boise to Incheon Intl

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

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 September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$940Average$1,455FlexibilityNo 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.