$565 Cheap Flights from Boise (BOI) to Busan (PUS)

View $565 flight on Sun, Mar 22, 2026Opens in a new window

Popular airlines from Boise Airport (BOI) to Gimhae Airport (PUS)

Cheap Flights from Boise to Busan (BOI-PUS)

Prices were available within the past 7 days and start at $565 for one-way flights and $1,075 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Mar 22 - Tue, Mar 31
BOI
Boise
PUS
Busan
$1,075 Roundtrip, found 1 day ago
$1,075
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Mar 22 from Boise to Busan, returning Tue, Mar 31, priced at $1,075 found 1 day ago
Delta
Mon, Jun 15 - Fri, Jul 3
BOI
Boise
PUS
Busan
$1,163 Roundtrip, found 1 day ago
$1,163
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jun 15 from Boise to Busan, returning Fri, Jul 3, priced at $1,163 found 1 day ago
Delta
Mon, Jun 15 - Fri, Jul 3
BOI
Boise
PUS
Busan
$1,170 Roundtrip, found 1 day ago
$1,170
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jun 15 from Boise to Busan, returning Fri, Jul 3, priced at $1,170 found 1 day ago
Delta
Fri, Mar 20 - Sun, Mar 29
BOI
Boise
PUS
Busan
$1,175 Roundtrip, found 1 day ago
$1,175
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Mar 20 from Boise to Busan, returning Sun, Mar 29, priced at $1,175 found 1 day ago
Delta
Sun, Mar 22 - Tue, Mar 31
BOI
Boise
PUS
Busan
$1,330 Roundtrip, found 1 day ago
$1,330
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Mar 22 from Boise to Busan, returning Tue, Mar 31, priced at $1,330 found 1 day ago
Delta
Thu, Mar 19 - Thu, Apr 2
BOI
Boise
PUS
Busan
$1,331 Roundtrip, found 1 day ago
$1,331
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Mar 19 from Boise to Busan, returning Thu, Apr 2, priced at $1,331 found 1 day ago
Delta
Thu, Mar 19 - Sun, Mar 29
BOI
Boise
PUS
Busan
$1,334 Roundtrip, found 1 day ago
$1,334
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Mar 19 from Boise to Busan, returning Sun, Mar 29, priced at $1,334 found 1 day ago
Delta
Sun, Mar 15 - Tue, Mar 31
BOI
Boise
PUS
Busan
$1,338 Roundtrip, found 9 hours ago
$1,338
Roundtrip
found 9 hours ago
Select Delta flight, departing Sun, Mar 15 from Boise to Busan, returning Tue, Mar 31, priced at $1,338 found 9 hours ago
Korean Air
Sun, Mar 22 - Tue, Mar 31
BOI
Boise
PUS
Busan
$1,380 Roundtrip, found 1 day ago
$1,380
Roundtrip
found 1 day ago
Select Korean Air flight, departing Sun, Mar 22 from Boise to Busan, returning Tue, Mar 31, priced at $1,380 found 1 day ago
Alaska Airlines
Sun, Mar 22 - Tue, Mar 31
BOI
Boise
PUS
Busan
$1,494 Roundtrip, found 1 day ago
$1,494
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Mar 22 from Boise to Busan, returning Tue, Mar 31, priced at $1,494 found 1 day ago

Alternative airports near Busan

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

Select flight to Gimhae PUS. Cheapest option available. Flights from $2,404
PUS
Gimhae
Cheapest
Flights from $2,404

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Gimhae Airport (PUS) cost?
Snag a cheap one-way flight from $565 or cheap return flight from $1,075 from Boise Airport (BOI) to Gimhae Airport (PUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Gimhae Airport (PUS)?
Flying in March may help you find better deals, as it's the cheapest month for flights between BOI and PUS. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Boise Airport (BOI) to Gimhae Airport (PUS)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from BOI to PUS. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Boise Airport (BOI) to Gimhae Airport (PUS)?
Nonstop flights from Boise Airport (BOI) to Gimhae Airport (PUS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOI to PUS?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Gimhae Airport (PUS)?
To land at Gimhae Airport (PUS) without delays, pick a flight that leaves from Boise Airport (BOI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Gimhae Airport (PUS) last-minute?
Booking your ticket from BOI to PUS just before your journey is generally more expensive. But if you're flexible with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a BOI to PUS flight and hotel package?
You can save money by booking a BOI to PUS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Gimhae Airport (PUS)?
In most instances, you're able to cancel or reschedule your BOI to PUS flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Origin airport
Boise
Destination airport
Gimhae
Airlines serving
Delta, Korean Air
Roundtrip price
$1,074
Distance
5629 mi

Book with confidence

Boise to Busan Flights

The cheapest times to fly from Boise to Busan

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

 

The best time to book a flight from Boise to Busan

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

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 Busan in 2025. You can also book with separate airlines for your outbound and return journeys, from $565 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 Busan 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 Busan 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 Busan Flights

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*Available to One Key members.