$751 Cheap Flights from Louisville (SDF) to Busan (PUS)

View $751 flight on Fri, Mar 6, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Gimhae Airport (PUS)

Cheap Flights from Louisville to Busan (SDF-PUS)

Prices were available within the past 7 days and start at $751 for one-way flights and $1,489 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Fri, Mar 6 - Thu, Mar 19
SDF
Louisville
PUS
Busan
$1,489 Roundtrip, found 5 hours ago
$1,489
Roundtrip
found 5 hours ago
Select Korean Air flight, departing Fri, Mar 6 from Louisville to Busan, returning Thu, Mar 19, priced at $1,489 found 5 hours ago
Korean Air
Fri, Mar 6 - Thu, Mar 19
SDF
Louisville
PUS
Busan
$1,495 Roundtrip, found 5 hours ago
$1,495
Roundtrip
found 5 hours ago
Select Korean Air flight, departing Fri, Mar 6 from Louisville to Busan, returning Thu, Mar 19, priced at $1,495 found 5 hours ago
Korean Air
Fri, Mar 6 - Thu, Mar 19
SDF
Louisville
PUS
Busan
$1,502 Roundtrip, found 5 hours ago
$1,502
Roundtrip
found 5 hours ago
Select Korean Air flight, departing Fri, Mar 6 from Louisville to Busan, returning Thu, Mar 19, priced at $1,502 found 5 hours ago
American Airlines
Sun, Jun 14 - Sun, Jun 28
SDF
Louisville
PUS
Busan
$1,504 Roundtrip, found 6 days ago
$1,504
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Jun 14 from Louisville to Busan, returning Sun, Jun 28, priced at $1,504 found 6 days ago
Delta
Sun, Jun 14 - Sun, Jun 28
SDF
Louisville
PUS
Busan
$1,517 Roundtrip, found 6 days ago
$1,517
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Jun 14 from Louisville to Busan, returning Sun, Jun 28, priced at $1,517 found 6 days ago
Southwest Airlines
Sun, Jun 14 - Sun, Jun 28
SDF
Louisville
PUS
Busan
$1,626 Roundtrip, found 6 days ago
$1,626
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sun, Jun 14 from Louisville to Busan, returning Sun, Jun 28, priced at $1,626 found 6 days ago
Delta
Sun, Jun 14 - Sun, Jun 28
SDF
Louisville
PUS
Busan
$1,647 Roundtrip, found 6 days ago
$1,647
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Jun 14 from Louisville to Busan, returning Sun, Jun 28, priced at $1,647 found 6 days ago
American Airlines
Sun, Jun 14 - Sun, Jun 28
SDF
Louisville
PUS
Busan
$1,648 Roundtrip, found 6 days ago
$1,648
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Jun 14 from Louisville to Busan, returning Sun, Jun 28, priced at $1,648 found 6 days ago
American Airlines
Sun, Jun 14 - Sun, Jun 28
SDF
Louisville
PUS
Busan
$1,656 Roundtrip, found 6 days ago
$1,656
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Jun 14 from Louisville to Busan, returning Sun, Jun 28, priced at $1,656 found 6 days ago
American Airlines
Sun, Jun 14 - Sun, Jun 28
SDF
Louisville
PUS
Busan
$1,657 Roundtrip, found 6 days ago
$1,657
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Jun 14 from Louisville to Busan, returning Sun, Jun 28, priced at $1,657 found 6 days ago
Flights from Louisville (SDF) to Busan (PUS)
Origin airport
Louisville Intl.
Destination airport
Gimhae
Roundtrip price
$1,489
Distance
6903 mi

Louisville to Busan Flights

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

 

The best time to book a flight from Louisville to Busan

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville to Busan in 2026. You can also book with separate airlines for your outbound and return journeys, from $751 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 Louisville 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 Louisville 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.

 

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Gimhae Airport (PUS) cost?
Secure a cheap one-way flight from $751 or cheap return flight from $1,489 from Louisville Intl. Airport (SDF) to Gimhae Airport (PUS) 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 Louisville Intl. Airport (SDF) to Gimhae Airport (PUS)?
March is the most affordable month to fly from SDF to PUS. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Gimhae Airport (PUS)?
To find the cheapest airline flying from SDF to PUS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Louisville Intl. Airport (SDF) to Gimhae Airport (PUS)?
You'll have to book a flight with a layover if you're traveling from Louisville Intl. Airport (SDF) to Gimhae Airport (PUS). Direct flights don't operate daily on this route. However, simply 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 SDF to PUS?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Gimhae Airport (PUS)?
To reach Gimhae Airport (PUS) on time, choose a flight that takes off from Louisville Intl. Airport (SDF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Louisville Intl. Airport (SDF) to Gimhae Airport (PUS) last-minute?
Waiting until just before your trip to book your flight from SDF to PUS often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary for the best chance of snagging a bargain.
Is it cheaper to book a SDF to PUS flight and hotel package?
You'll typically save money by securing a SDF 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 selecting your preferred flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Gimhae Airport (PUS)?
If you reserved your SDF to PUS flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.