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$464+ Cheap flights from Louisville (SDF) to Seoul (SEL)

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEL
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap flight deals from Louisville to Seoul

Cheapest flights from Louisville to Seoul
Explore the most affordable flight options available from Louisville to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

This United Airlines deal was found by Cheapflights users on 12/7. 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.
Mon 12/299:05 amSDF - ICN
2 stops30h 35mUnited Airlines
Thu 1/156:00 pmICN - SDF
2 stops34h 26mUnited Airlines
Deal found 12/7$920
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/256:11 pmSDF - ICN
2 stops32h 04mUnited Airlines
Thu 1/156:00 pmICN - SDF
2 stops30h 23mUnited Airlines
Deal found 12/7$1,050
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/256:11 pmSDF - ICN
2 stops32h 04mUnited Airlines
Mon 1/1212:45 pmICN - SDF
2 stops23h 39mUnited Airlines
Deal found 12/7$1,180
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/256:11 pmSDF - ICN
2 stops32h 04mUnited Airlines
Sun 1/1112:45 pmICN - SDF
2 stops39h 41mUnited Airlines
Deal found 12/7$1,196
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Wed 12/312:00 pmSDF - ICN
2 stops25h 40mUnited Airlines
Sun 1/116:00 pmICN - SDF
2 stops30h 23mUnited Airlines
Deal found 12/7$1,210
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/233:25 pmSDF - ICN
2 stops34h 50mUnited Airlines
Tue 1/136:00 pmICN - SDF
2 stops34h 26mUnited Airlines
Deal found 12/7$1,220
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/256:11 pmSDF - ICN
2 stops32h 04mUnited Airlines
Sat 1/106:00 pmICN - SDF
2 stops34h 26mUnited Airlines
Deal found 12/7$1,340
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/236:11 pmSDF - ICN
2 stops32h 04mUnited Airlines
Mon 1/1212:45 pmICN - SDF
2 stops23h 39mUnited Airlines
Deal found 12/7$1,350
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Sat 12/276:11 pmSDF - ICN
2 stops32h 04mUnited Airlines
Thu 1/156:00 pmICN - SDF
2 stops18h 24mUnited Airlines
Deal found 12/7$1,358
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/236:11 pmSDF - ICN
2 stops32h 04mUnited Airlines
Sun 1/1112:45 pmICN - SDF
2 stops39h 41mUnited Airlines
Deal found 12/7$1,366
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Sun 12/143:33 pmSDF - ICN
2 stops24h 07mUnited Airlines
Wed 5/611:30 amICN - SDF
2 stops23h 27mUnited Airlines
Deal found 12/8$1,410
This KAYAK deal was found by Cheapflights users on 12/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:05 amSDF - GMP
2 stops48h 00mJapan Airlines
Wed 1/1412:05 pmGMP - SDF
2 stops44h 34mJapan Airlines
Deal found 12/7$1,439

Find flight deals from Louisville to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$916
(Delta)

One-way from

$464
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$1,525
Provider with most accurate pricing for Louisville Intl-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Seoul (SEL) flights.
Search Deals
From Louisville Intl to Seoul (SEL)
Search Deals
One-way flight from Louisville Intl to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($201 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Seoul 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 December 9, 2025.
Use the filters below to find and compare flights from Louisville to Seoul that are best for you.

Fly from

Louisville

Fly to

Seoul

Route

Depart

Return

Price

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Fri 1/23

3:32 pm-5:45 am

1 stop24h 13m

Incheon Intl

Fri 1/30

7:30 pm-11:06 pm

1 stop17h 36m

$916

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 1/22

5:35 am-3:50 pm

1 stop20h 15m

Incheon Intl

Thu 1/29

7:30 pm-11:06 pm

1 stop17h 36m

$916

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Mon 12/29

9:05 am-5:40 am

2 stops30h 35m

Incheon Intl

Tue 1/13

6:00 pm-2:26 pm

2 stops34h 26m

$920

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 1/1

2:00 pm-5:40 am

2 stops25h 40m

Incheon Intl

Fri 1/16

12:45 pm-2:48 pm

2 stops40h 03m

$920

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Fri 1/16

9:15 am-5:40 am

2 stops30h 25m

Incheon Intl

Mon 1/19

6:00 pm-2:26 pm

2 stops34h 26m

$920

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Fri 1/23

3:22 pm-5:40 am

2 stops24h 18m

Incheon Intl

Fri 1/30

12:45 pm-7:43 pm

2 stops20h 58m

$920

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 1/22

3:22 pm-5:40 am

2 stops24h 18m

Incheon Intl

Thu 1/29

12:45 pm-9:59 pm

2 stops23h 14m

$920

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 1/1

6:11 pm-5:40 am

2 stops21h 29m

Incheon Intl

Mon 1/12

12:45 pm-10:24 pm

2 stops23h 39m

$1,050

LouisvilleSeoul

SDF - GMP

SDFGMP

Louisville Intl

Mon 1/5

7:00 am-10:05 pm

2 stops25h 05m

Seoul Gimpo Intl

Mon 1/19

7:40 pm-6:39 pm

2 stops36h 59m

$1,173

LouisvilleSeoul

SDF - GMP

SDFGMP

Louisville Intl

Wed 12/31

8:05 am-10:05 pm

2 stops48h 00m

Seoul Gimpo Intl

Thu 1/15

12:05 pm-6:39 pm

2 stops44h 34m

$1,439

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 31 results
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Compare providers for flights from Louisville to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Seoul in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Seoul flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Seoul flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Seoul flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul

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

Currently, December is the cheapest month in which you can book a flight from Louisville to Seoul (average of $526). Flying from Louisville to Seoul 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 SEL?

Find hourly flight availability from Louisville to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 9, 2025.

One of the essential ways to save on airfare from Louisville to Seoul is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 37% on airfare.

How much does it cost to fly round-trip from Louisville to Seoul?

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated December 9, 2025.
Read through reviews of airlines operating flights from Louisville to Seoul, such as Korean Air, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,183 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

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
1,183 reviews
Korean Air
8.4
Very good
1,183 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

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
8,011 reviews
Korean Air
8.4
Very good
1,183 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

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
11,045 reviews
Korean Air
8.4
Very good
1,183 reviews

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

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 Seoul. 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 Seoul?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Seoul. 3 airlines have flights from Louisville Intl to Seoul on a regular basis. Booking flights from Louisville Intl to Seoul should not be difficult; the airport handles an average of 0 outbound flights to Seoul per day.

  • How long is the flight from Louisville to Seoul?

    Airlines like Delta, United Airlines, and Japan Airlines fly from Louisville to Seoul in about 24h 13m. The time it takes to get you to your destination can typically vary by up to 6h 22m. Airlines will cover a distance of 6819 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Louisville to Seoul round-trip?

    Our cheapest airline available from Louisville to Seoul is Delta. Our recent data shows that you can find tickets from as low as $927 on this airline. Additional options worth looking into are American Airlines and Korean Air, starting at $952 and $1,046 round-trip. Delta is priced at 32% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from Louisville to Seoul?

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

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

    Yes. Cheapflights offers flight deals from Louisville to Seoul 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 Seoul?

    Currently, December is the cheapest month in which you can book a flight from Louisville to Seoul (average of $526). Flying from Louisville to Seoul 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Louisville to Seoul

Discover the top 3 airlines that operate flights from Louisville to Seoul. 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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$927Average$1,478FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$952Average$1,478FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,112Average$1,650FlexibilityNo cancel feeOn-time81%

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