$557 Cheap Flights from Seoul (ICN) to Boise (BOI)

View $557 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Boise Airport (BOI)

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Cheap Flights from Seoul to Boise (ICN-BOI)

Prices were available within the past 7 days and start at $557 for one-way flights and $513 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Oct 25 - Wed, Nov 12
ICN
Seoul
BOI
Boise
$513 Roundtrip, found 5 days ago
$513
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Oct 25 from Seoul to Boise, returning Wed, Nov 12, priced at $513 found 5 days ago
Alaska Airlines
Sat, Oct 25 - Tue, Nov 11
ICN
Seoul
BOI
Boise
$518 Roundtrip, found 5 days ago
$518
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Oct 25 from Seoul to Boise, returning Tue, Nov 11, priced at $518 found 5 days ago
Hawaiian Airlines
Mon, Oct 13 - Wed, Oct 29
ICN
Seoul
BOI
Boise
$531 Roundtrip, found 5 days ago
$531
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Mon, Oct 13 from Seoul to Boise, returning Wed, Oct 29, priced at $531 found 5 days ago
Hawaiian Airlines
Fri, Oct 24 - Wed, Nov 12
ICN
Seoul
BOI
Boise
$535 Roundtrip, found 5 days ago
$535
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Fri, Oct 24 from Seoul to Boise, returning Wed, Nov 12, priced at $535 found 5 days ago
Hawaiian Airlines
Mon, Oct 13 - Tue, Oct 28
ICN
Seoul
BOI
Boise
$536 Roundtrip, found 5 days ago
$536
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Mon, Oct 13 from Seoul to Boise, returning Tue, Oct 28, priced at $536 found 5 days ago
Hawaiian Airlines
Mon, Oct 13 - Thu, Oct 30
ICN
Seoul
BOI
Boise
$550 Roundtrip, found 5 days ago
$550
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Mon, Oct 13 from Seoul to Boise, returning Thu, Oct 30, priced at $550 found 5 days ago
Hawaiian Airlines
Fri, Oct 31 - Tue, Nov 18
ICN
Seoul
BOI
Boise
$551 Roundtrip, found 5 days ago
$551
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Fri, Oct 31 from Seoul to Boise, returning Tue, Nov 18, priced at $551 found 5 days ago
Delta
Mon, Oct 6 - Mon, Oct 20
ICN
Seoul
BOI
Boise
$709 Roundtrip, found 1 day ago
$709
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 6 from Seoul to Boise, returning Mon, Oct 20, priced at $709 found 1 day ago
United
Mon, Jan 26 - Tue, Feb 24
ICN
Seoul
BOI
Boise
$765 Roundtrip, found 10 hours ago
$765
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Jan 26 from Seoul to Boise, returning Tue, Feb 24, priced at $765 found 10 hours ago
Korean Air
Sat, Oct 18 - Wed, Oct 22
ICN
Seoul
BOI
Boise
$829 Roundtrip, found 8 hours ago
$829
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Sat, Oct 18 from Seoul to Boise, returning Wed, Oct 22, priced at $829 found 8 hours ago

Alternative airports near Boise

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $597
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $597

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Boise Airport (BOI) cost?
Lock in a cheap one-way flight from $557 or cheap return flight from $513 from Incheon Intl. Airport (ICN) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Boise Airport (BOI)?
Traveling in October is a good way to save, as it's the cheapest month for flights between ICN and BOI. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Boise Airport (BOI)?
To find the cheapest airline that'll fly you from ICN to BOI, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Incheon Intl. Airport (ICN) to Boise Airport (BOI)?
You'll need to hop on a flight with a layover when traveling from Incheon Intl. Airport (ICN) to Boise Airport (BOI). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from ICN to BOI?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Boise Airport (BOI)?
Opt for a flight from Incheon Intl. Airport (ICN) to Boise Airport (BOI) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Boise Airport (BOI) last-minute?
Booking your plane ticket from ICN to BOI right before your getaway is typically more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ICN to BOI flight and hotel package?
You can save money by booking an ICN to BOI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Boise Airport (BOI)?
Typically, it's possible to reschedule or cancel your ICN to BOI flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Incheon Intl.
Destination airport
Boise
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Delta, Japan Airlines, Korean Air, United
Roundtrip price
$513
Distance
5601 mi

Book with confidence

Book with confidence

Seoul to Boise Flights

The cheapest times to fly from Seoul to Boise

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Boise are during the month of October. You can find some of the cheapest flights from Seoul to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Boise

Sunday is one of the best days to book for cheap flights from Seoul to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Boise

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $557 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seoul to Boise Flights

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*Available to One Key members.