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South Korea

$431+ Cheap flights from Louisville (SDF) to South Korea

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ICN
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Louisville to South Korea

Keep the following information in mind while searching for Louisville to South Korea flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$851
(American Airlines)

One-way from

$431
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$1,516
Provider with most accurate pricing for Louisville Intl-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Seoul (SEL) flights.
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From Louisville Intl to South Korea
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One-way flight from Louisville Intl to South Korea
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Highest demand for flights based on searches. 12% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Louisville to South Korea

Cheapest flights from Louisville to South Korea
Explore the most affordable flight options available from Louisville to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:51 amSDF - ICN
1 stop39h 54mAmerican Airlines
Thu 3/125:55 pmICN - SDF
1 stop29h 15mAmerican Airlines
Deal found 10/27$851
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:12 amSDF - ICN
1 stop19h 33mAmerican Airlines
Wed 12/177:15 pmICN - SDF
1 stop16h 44mAmerican Airlines
Deal found 10/28$859
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:31 amSDF - ICN
2 stops30h 09mUnited Airlines
Wed 12/176:00 pmICN - SDF
2 stops18h 10mUnited Airlines
Deal found 10/28$863
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:00 amSDF - ICN
2 stops31h 40mUnited Airlines
Sun 11/26:00 pmICN - SDF
2 stops34h 19mUnited Airlines
Deal found 10/28$876
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:15 amSDF - ICN
1 stop32h 30mDelta
Fri 3/136:00 pmICN - SDF
1 stop17h 32mDelta
Deal found 10/27$912
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:32 amSDF - ICN
1 stop19h 23mAmerican Airlines
Tue 11/187:15 pmICN - SDF
1 stop16h 46mAmerican Airlines
Deal found 10/26$920
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:13 amSDF - GMP
2 stops24h 52mJapan Airlines
Wed 3/118:00 amGMP - SDF
2 stops23h 51mJapan Airlines
Deal found 10/27$923
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:16 pmSDF - ICN
1 stop21h 29mDelta
Sat 3/146:00 pmICN - SDF
1 stop28h 34mDelta
Deal found 10/27$926
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:11 pmSDF - ICN
2 stops43h 59mMultiple Airlines
Sun 12/76:55 pmICN - SDF
1 stop39h 17mMultiple Airlines
Deal found 10/29$988
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:43 amSDF - ICN
1 stop20h 47mMultiple Airlines
Sun 12/76:55 pmICN - SDF
1 stop39h 17mMultiple Airlines
Deal found 10/29$1,009
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:00 amSDF - ICN
2 stops30h 40mUnited Airlines
Sat 3/1411:45 amICN - SDF
2 stops23h 33mUnited Airlines
Deal found 10/27$1,011
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:43 amSDF - ICN
1 stop20h 47mMultiple Airlines
Sun 12/76:55 pmICN - SDF
1 stop39h 17mMultiple Airlines
Deal found 10/29$1,020

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to South Korea that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Louisville to South Korea that are best for you.

Fly from

Louisville

Fly to

South Korea

Route

Depart

Return

Price

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 12/2

6:24 pm-4:45 pm

1 stop32h 21m

Incheon Intl

Wed 3/11

5:55 pm-9:33 pm

1 stop16h 38m

$851

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 12/2

12:43 pm-4:45 pm

2 stops38h 02m

Incheon Intl

Thu 3/12

5:55 pm-5:24 pm

1 stop36h 29m

$851

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 12/4

7:12 am-4:45 pm

1 stop19h 33m

Incheon Intl

Thu 12/18

7:15 pm-9:34 pm

1 stop16h 19m

$859

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 12/4

7:12 am-4:45 pm

1 stop19h 33m

Incheon Intl

Wed 12/17

7:15 pm-9:59 pm

1 stop16h 44m

$859

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Mon 11/10

6:07 pm-5:40 am

2 stops21h 33m

Incheon Intl

Thu 11/13

12:45 pm-10:30 pm

2 stops23h 45m

$863

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 12/4

9:31 am-5:40 am

2 stops30h 09m

Incheon Intl

Wed 12/17

6:00 pm-10:10 pm

2 stops18h 10m

$863

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Mon 12/1

6:07 pm-5:40 am

2 stops21h 33m

Incheon Intl

Sat 12/6

12:45 pm-9:57 pm

2 stops23h 12m

$863

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 12/4

7:00 am-5:40 am

2 stops32h 40m

Incheon Intl

Thu 12/18

6:00 pm-10:24 pm

2 stops18h 24m

$863

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 12/2

7:15 am-5:45 am

1 stop32h 30m

Incheon Intl

Fri 3/13

6:00 pm-10:32 pm

1 stop17h 32m

$912

LouisvilleSeoul

SDF - GMP

SDFGMP

Louisville Intl

Tue 12/2

7:13 am-10:05 pm

2 stops24h 52m

Seoul Gimpo Intl

Wed 3/11

8:00 am-6:51 pm

2 stops23h 51m

$923

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 27 results
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Best time to book a flight from Louisville to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to South Korea

What is the cheapest month to book a flight from Louisville to South Korea?

Currently, December is the cheapest month in which you can book a flight from Louisville to South Korea (average of $526). Flying from Louisville to South Korea in July is currently the most expensive (average of $1,127). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SDF to KR?

Find hourly flight availability from Louisville to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Louisville to South Korea at noon. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Louisville to South Korea?

Use this chart to determine the cheapest time to fly round-trip from Louisville to South Korea. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Louisville to South Korea flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Korea. Reviews last updated October 29, 2025.
See what other customers who have flown with Korean Air, Delta, and United Airlines from Louisville to South Korea have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,155 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
7.9
Good
7,992 reviews
Korean Air
8.4
Very good
1,155 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
9,001 reviews
Korean Air
8.4
Very good
1,155 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
American Airlines
7.2
Good
11,032 reviews
Korean Air
8.4
Very good
1,155 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Louisville to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to South Korea?

    For a flight from Louisville to South Korea, you will be flying from Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city.

  • How long is the flight from Louisville to South Korea?

    There are many flights that can get you from Louisville to South Korea in 24h 52m. Fly via American Airlines or Japan Airlines to get the fastest option. Airlines will cover a distance of 6804 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Louisville to South Korea one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $431. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Louisville to South Korea for a low price.

  • Can I find deals for flights from Louisville to South Korea that include hotel bookings?

    Yes. In addition to deals on Louisville to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to South Korea.

  • Can I find deals for business class flights from Louisville to South Korea?

    Yes. Cheapflights offers flight deals from Louisville to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to South Korea?

    Currently, December is the cheapest month in which you can book a flight from Louisville to South Korea (average of $526). Flying from Louisville to South Korea in July is currently the most expensive (average of $1,127). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from Louisville to South Korea

Discover the top 3 airlines that operate flights from Louisville to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$927Average$1,056FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$952Average$1,478FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,112Average$1,678FlexibilityNo cancel feeOn-time81%

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