$845 Cheap Flights from Seoul (ICN) to Louisville (SDF)

Popular airlines from Incheon Intl. Airport (ICN) to Louisville Intl. Airport (SDF)

Find available prices by choosing your travel dates.

Cheap Flights from Seoul to Louisville (ICN-SDF)

Prices were available within the past 7 days and start at $845 for one-way flights and $1,218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
United
United
United
United
Delta
Korean Air
Lufthansa
Flights from Seoul (ICN) to Louisville (SDF)
Origin airport
Incheon Intl.
Destination airport
Louisville Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Delta, KLM, Korean Air, Lufthansa, United
Roundtrip price
$1,218
Distance
6822 mi

Seoul to Louisville Flights

The cheapest times to fly from Seoul to Louisville

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

The best time to book a flight from Seoul to Louisville

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

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 Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $845 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 Louisville 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 Louisville 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 Incheon Intl. Airport (ICN) to Louisville Intl. Airport (SDF) cost?
Discover the latest flight deals from ICN to SDF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ICN to SDF?
The cheapest flights from ICN to SDF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ICN to SDF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ICN to SDF. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Incheon Intl. Airport (ICN) to Louisville Intl. Airport (SDF)?
You’ll have to catch a flight with a layover if you’re traveling from Incheon Intl. Airport (ICN) to Louisville Intl. Airport (SDF). Direct flights don’t operate daily 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 ICN to SDF?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a number of 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 Louisville Intl. Airport (SDF)?
To land at Louisville Intl. Airport (SDF) without delays, opt for a flight that leaves Incheon Intl. Airport (ICN) before 3 PM. The likelihood 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 Incheon Intl. Airport (ICN) to Louisville Intl. Airport (SDF) last-minute?
Holding off until right before your break to book a flight from ICN to SDF often results in higher prices. While you may find some last-minute offers, there’s no guarantee. Allow some flexibility in your schedule to boost your chances of getting a bargain.
Is it cheaper to book an ICN to SDF flight and hotel package?
Compared with arranging hotels and flights separately, booking an ICN to SDF flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just pick your flights and choose from our wide range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Louisville Intl. Airport (SDF)?
If you booked your ICN to SDF flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare 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, visit our Customer Service portal if you’d like more information.

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*Available to One Key members.