HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$463+ Cheap flights from Louisville (SDF) to Incheon Intl (ICN)

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 — ICN
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Incheon Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisville to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Incheon Intl (ICN). 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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$916
(Delta)

One-way from

$463
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$1,225
Provider with most accurate pricing for Louisville Intl-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Incheon Intl flights.
Search Deals
From Louisville Intl to Incheon Intl
Search Deals
One-way flight from Louisville Intl to Incheon Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Louisville to Incheon Intl

Cheapest flights from Louisville to Incheon Intl
Explore the most affordable flight options available from Louisville to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/19. 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 12/132:15 pmSDF - ICN
2 stops36h 00mUnited Airlines
Sat 12/206:00 pmICN - SDF
2 stops30h 03mUnited Airlines
Deal found 11/19$1,471
This Korean Air deal was found by Cheapflights users on 11/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:35 amSDF - ICN
1 stop18h 55mMultiple Airlines
Sat 12/207:30 pmICN - SDF
1 stop17h 33mMultiple Airlines
Deal found 11/19$1,792
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Sat 12/137:12 amSDF - ICN
1 stop19h 33mAmerican Airlines
Sat 12/207:15 pmICN - SDF
2 stops27h 35mAmerican Airlines
Deal found 11/19$1,996
This Korean Air deal was found by Cheapflights users on 11/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:35 amSDF - ICN
1 stop18h 55mMultiple Airlines
Wed 12/317:30 pmICN - SDF
1 stop17h 33mMultiple Airlines
Deal found 11/19$2,019
This Air France deal was found by Cheapflights users on 11/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:29 pmSDF - ICN
2 stops30h 01mMultiple Airlines
Sat 1/1011:05 pmICN - SDF
2 stops38h 50mMultiple Airlines
Deal found 11/19$2,042
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 12/127:12 amSDF - ICN
1 stop19h 33mAmerican Airlines
Sat 1/107:15 pmICN - SDF
2 stops29h 35mAmerican Airlines
Deal found 11/19$2,144
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/179:31 amSDF - ICN
2 stops30h 09mUnited Airlines
Wed 12/316:00 pmICN - SDF
2 stops33h 13mUnited Airlines
Deal found 11/20$2,171

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Incheon Intl 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 November 20, 2025.
Use the filters below to find and compare flights from Louisville to Incheon Intl Airport that are best for you.

Fly from

Louisville

Fly to

Incheon Intl

Route

Depart

Return

Price

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Fri 1/23

6:23 am-3:30 pm

1 stop19h 07m

Incheon Intl

Tue 1/27

9:35 am-9:15 pm

1 stop25h 40m

$916

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Fri 1/23

2:10 pm-5:40 am

2 stops25h 30m

Incheon Intl

Tue 1/27

12:45 pm-7:43 pm

2 stops20h 58m

$920

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sat 12/13

2:15 pm-4:15 pm

2 stops36h 00m

Incheon Intl

Sat 12/20

6:00 pm-10:03 am

2 stops30h 03m

$1,471

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sun 1/4

6:51 pm-3:30 pm

2 stops30h 39m

Incheon Intl

Sat 1/17

8:05 pm-9:28 am

2 stops27h 23m

$1,586

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sun 1/4

3:18 pm-5:40 am

2 stops24h 22m

Incheon Intl

Sun 1/11

6:00 pm-10:23 am

2 stops30h 23m

$1,595

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sun 1/4

7:25 am-4:50 pm

1 stop19h 25m

Incheon Intl

Sun 1/11

6:00 pm-8:56 pm

1 stop16h 56m

$1,680

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sun 1/4

7:00 am-4:45 pm

1 stop19h 45m

Incheon Intl

Sun 1/11

7:15 pm-12:25 pm

2 stops31h 10m

$1,716

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Mon 1/5

5:49 pm-4:45 pm

2 stops32h 56m

$463

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sat 2/14

3:15 pm-5:40 am

2 stops24h 25m

$468

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sat 2/7

11:10 am-5:40 am

2 stops28h 30m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 15 results
1
2

Compare providers for flights from Louisville to Incheon Intl

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 Incheon Intl in November.
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
CheapfaremartPrice Accuracy-Trust Score*1 star

*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-Incheon Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Incheon Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Incheon Intl Airport 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-Incheon Intl Airport 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 Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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 Incheon Intl Airport

What is the cheapest month to book a flight from Louisville to Incheon Intl Airport?

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

Find hourly flight availability from Louisville to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

It’s typically best to fly out from Louisville to Incheon Intl Airport at noon. Doing so could potentially save you 37% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated November 20, 2025.
Read through reviews of airlines operating flights from Louisville to Incheon Intl Airport, 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
1,170 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

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
1,170 reviews
Korean Air
8.4
Very good
1,170 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

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
8,002 reviews
Korean Air
8.4
Very good
1,170 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

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
11,047 reviews
Korean Air
8.4
Very good
1,170 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Overall

8.4

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 Incheon Intl. 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 Incheon Intl?

    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 Incheon Intl. 3 airlines have flights from Louisville Intl to Incheon Intl on a regular basis. Booking flights from Louisville Intl to Incheon Intl should not be difficult; the airport handles an average of 0 outbound flights to Incheon Intl per day.

  • How long is the flight from Louisville to Incheon Intl Airport?

    A quick flight from Louisville to Incheon Intl Airport can take about 19h 07m. Delta provides one of the quickest options available for as low as $916. The distance between Louisville and Incheon Intl Airport is about 6819 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Louisville to Incheon Intl Airport round-trip?

    Our cheapest airline available from Louisville to Incheon Intl Airport 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 $1,112 round-trip. These flights start at 30% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from Louisville to Incheon Intl?

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

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

    Yes. Cheapflights offers flight deals from Louisville to Incheon Intl 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 Incheon Intl Airport?

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

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam

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.

Alternative routes for Louisville to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Incheon Intl flights
Cincinnati to Incheon Intl flights
Nashville to Gimpo Intl flights
Lexington to Incheon Intl flights
Louisville to Gimpo Intl flights
Knoxville to Incheon Intl flights

Top 3 airlines flying from Louisville to Incheon Intl

Discover the top 3 airlines that operate flights from Louisville to Incheon Intl. 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 November 20, 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.