$525 Cheap Flights from Boise (BOI) to Seoul (GMP)

View $525 flight on Wed, Apr 8, 2026Opens in a new window

Popular airlines from Boise Airport (BOI) to Gimpo Intl. Airport (GMP)

Cheap Flights from Boise to Seoul (BOI-GMP)

Prices were available within the past 7 days and start at $525 for one-way flights and $1,091 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Dec 5 - Wed, Dec 10
BOI
Boise
GMP
Seoul
$1,091 Roundtrip, found 2 days ago
$1,091
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Dec 5 from Boise to Seoul, returning Wed, Dec 10, priced at $1,091 found 2 days ago
Alaska Airlines
Sun, Sep 6 - Fri, Sep 11
BOI
Boise
GMP
Seoul
$1,096 Roundtrip, found 1 day ago
$1,096
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Sep 6 from Boise to Seoul, returning Fri, Sep 11, priced at $1,096 found 1 day ago
Alaska Airlines
Sun, Sep 6 - Fri, Sep 11
BOI
Boise
GMP
Seoul
$1,103 Roundtrip, found 1 day ago
$1,103
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Sep 6 from Boise to Seoul, returning Fri, Sep 11, priced at $1,103 found 1 day ago
Alaska Airlines
Sun, Sep 6 - Fri, Sep 11
BOI
Boise
GMP
Seoul
$1,111 Roundtrip, found 1 day ago
$1,111
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Sep 6 from Boise to Seoul, returning Fri, Sep 11, priced at $1,111 found 1 day ago
American Airlines
Sun, Sep 6 - Fri, Sep 11
BOI
Boise
GMP
Seoul
$1,124 Roundtrip, found 1 day ago
$1,124
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Sep 6 from Boise to Seoul, returning Fri, Sep 11, priced at $1,124 found 1 day ago
Alaska Airlines
Sun, Sep 6 - Fri, Sep 11
BOI
Boise
GMP
Seoul
$1,190 Roundtrip, found 1 day ago
$1,190
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Sep 6 from Boise to Seoul, returning Fri, Sep 11, priced at $1,190 found 1 day ago
Alaska Airlines
Sun, Sep 6 - Fri, Sep 11
BOI
Boise
GMP
Seoul
$1,197 Roundtrip, found 1 day ago
$1,197
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Sep 6 from Boise to Seoul, returning Fri, Sep 11, priced at $1,197 found 1 day ago
Alaska Airlines
Sun, Sep 6 - Fri, Sep 11
BOI
Boise
GMP
Seoul
$1,203 Roundtrip, found 1 day ago
$1,203
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Sep 6 from Boise to Seoul, returning Fri, Sep 11, priced at $1,203 found 1 day ago
United
Sun, Sep 6 - Fri, Sep 11
BOI
Boise
GMP
Seoul
$1,536 Roundtrip, found 1 day ago
$1,536
Roundtrip
found 1 day ago
Select United flight, departing Sun, Sep 6 from Boise to Seoul, returning Fri, Sep 11, priced at $1,536 found 1 day ago
All Nippon Airways
Sun, Sep 6 - Fri, Sep 11
BOI
Boise
GMP
Seoul
$1,544 Roundtrip, found 1 day ago
$1,544
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Sun, Sep 6 from Boise to Seoul, returning Fri, Sep 11, priced at $1,544 found 1 day ago

Alternative airports near Seoul

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

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $892
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $892

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Gimpo Intl. Airport (GMP) cost?
Secure a cheap one-way flight from $525 or cheap return flight from $1,091 from Boise Airport (BOI) to Gimpo Intl. Airport (GMP) 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 Boise Airport (BOI) to Gimpo Intl. Airport (GMP)?
Traveling in December can help you save, as it's the cheapest month for flights between BOI and GMP. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Boise Airport (BOI) to Gimpo Intl. Airport (GMP)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest BOI to GMP flight.
How many flights per day from Boise Airport (BOI) to Gimpo Intl. Airport (GMP)?
You'll need to catch a flight with a layover when traveling from Boise Airport (BOI) to Gimpo Intl. Airport (GMP). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from BOI to GMP?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to Gimpo Intl. Airport (GMP)?
To avoid potential delays on the Boise Airport (BOI) to Gimpo Intl. Airport (GMP) route, aim to fly before 3 PM. Later flights are 22% more likely to be canceled.**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 Boise Airport (BOI) to Gimpo Intl. Airport (GMP) last-minute?
Waiting until right before your break to book a ticket from BOI to GMP often results in higher prices. While it's possible to find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a BOI to GMP flight and hotel package?
Opting for a BOI to GMP flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Gimpo Intl. Airport (GMP)?
Typically, you can reschedule or cancel your BOI to GMP flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Origin airport
Boise
Destination airport
Gimpo Intl.
Airlines serving
All Nippon Airways
Roundtrip price
$1,090
Distance
5583 mi

Book with confidence

Boise to Seoul Flights

The cheapest times to fly from Boise to Seoul

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 Boise to Seoul are during the month of December. You can find some of the cheapest flights from Boise to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Seoul

Sunday is one of the best days to book for cheap flights from Boise to Seoul: 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 Boise to Seoul

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 Boise to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $525 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 Boise to Seoul 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 Boise to Seoul 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.

 

Boise to Seoul Flights

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*Available to One Key members.