$561 Cheap Flights from Louisville (SDF) to Seoul (GMP)

View $561 flight on Wed, Feb 18, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Gimpo Intl. Airport (GMP)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Louisville to Seoul (SDF-GMP)

Prices were available within the past 7 days and start at $561 for one-way flights and $1,118 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Sep 10 - Tue, Sep 30
SDF
Louisville
GMP
Seoul
$1,118 Roundtrip, found 9 hours ago
$1,118
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Sep 10 from Louisville to Seoul, returning Tue, Sep 30, priced at $1,118 found 9 hours ago
American Airlines
Wed, Sep 10 - Tue, Sep 30
SDF
Louisville
GMP
Seoul
$1,125 Roundtrip, found 9 hours ago
$1,125
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Sep 10 from Louisville to Seoul, returning Tue, Sep 30, priced at $1,125 found 9 hours ago
American Airlines
Wed, Sep 10 - Tue, Sep 30
SDF
Louisville
GMP
Seoul
$1,138 Roundtrip, found 9 hours ago
$1,138
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Sep 10 from Louisville to Seoul, returning Tue, Sep 30, priced at $1,138 found 9 hours ago
Japan Airlines
Wed, Nov 5 - Tue, Nov 11
SDF
Louisville
GMP
Seoul
$1,157 Roundtrip, found 4 days ago
$1,157
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Wed, Nov 5 from Louisville to Seoul, returning Tue, Nov 11, priced at $1,157 found 4 days ago
Japan Airlines
Thu, Sep 11 - Sat, Sep 27
SDF
Louisville
GMP
Seoul
$1,163 Roundtrip, found 2 days ago
$1,163
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Thu, Sep 11 from Louisville to Seoul, returning Sat, Sep 27, priced at $1,163 found 2 days ago
Japan Airlines
Tue, Nov 4 - Mon, Nov 10
SDF
Louisville
GMP
Seoul
$1,212 Roundtrip, found 4 days ago
$1,212
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Tue, Nov 4 from Louisville to Seoul, returning Mon, Nov 10, priced at $1,212 found 4 days ago
Japan Airlines
Wed, Sep 10 - Tue, Sep 30
SDF
Louisville
GMP
Seoul
$1,218 Roundtrip, found 9 hours ago
$1,218
Roundtrip
found 9 hours ago
Select Japan Airlines flight, departing Wed, Sep 10 from Louisville to Seoul, returning Tue, Sep 30, priced at $1,218 found 9 hours ago
American Airlines
Wed, Sep 10 - Tue, Sep 30
SDF
Louisville
GMP
Seoul
$1,219 Roundtrip, found 9 hours ago
$1,219
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Sep 10 from Louisville to Seoul, returning Tue, Sep 30, priced at $1,219 found 9 hours ago
Delta
Wed, Sep 10 - Tue, Sep 30
SDF
Louisville
GMP
Seoul
$1,520 Roundtrip, found 9 hours ago
$1,520
Roundtrip
found 9 hours ago
Select Delta flight, departing Wed, Sep 10 from Louisville to Seoul, returning Tue, Sep 30, priced at $1,520 found 9 hours ago
All Nippon Airways
Wed, Nov 5 - Tue, Nov 11
SDF
Louisville
GMP
Seoul
$1,948 Roundtrip, found 4 days ago
$1,948
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Wed, Nov 5 from Louisville to Seoul, returning Tue, Nov 11, priced at $1,948 found 4 days 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 $925
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $925
Flights from Louisville (SDF) to Seoul (GMP)
Origin airport
Louisville Intl.
Destination airport
Gimpo Intl.
Airlines serving
Japan Airlines
Roundtrip price
$1,117
Distance
6807 mi

Louisville to Seoul Flights

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

 

The best time to book a flight from Louisville to Seoul

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $561 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 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 Louisville 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.

 

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Gimpo Intl. Airport (GMP) cost?
Get a cheap one-way flight from $561 or cheap return flight from $1,118 from Louisville Intl. Airport (SDF) to Gimpo Intl. Airport (GMP) 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 Louisville Intl. Airport (SDF) to Gimpo Intl. Airport (GMP)?
The cheapest month to fly from SDF to GMP is September, when there's less demand. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Gimpo Intl. Airport (GMP)?
To find the cheapest airline that'll fly you from SDF to GMP, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Louisville Intl. Airport (SDF) to Gimpo Intl. Airport (GMP)?
There are no daily direct flights from Louisville Intl. Airport (SDF) to Gimpo Intl. Airport (GMP). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from SDF to GMP?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the airline 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 Louisville Intl. Airport (SDF) to Gimpo Intl. Airport (GMP)?
To reach Gimpo Intl. Airport (GMP) on time, opt for a flight that leaves from Louisville Intl. Airport (SDF) 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 Louisville Intl. Airport (SDF) to Gimpo Intl. Airport (GMP) last-minute?
Holding off until right before your break to book your flight from SDF to GMP often results in higher prices. Although you may find some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule for a better chance of snagging a bargain.
Is it cheaper to book a SDF to GMP flight and hotel package?
You'll generally save money by securing a SDF to GMP 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 convenient place. Once you've selected your preferred flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Gimpo Intl. Airport (GMP)?
In most instances, you're able to cancel or reschedule your SDF to GMP flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.