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Incheon Intl

$538+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ICN
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap 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 July 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/24. 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 9/258:47 am
SDF
-
ICN
1 stop23h 53m
Multiple Airlines
Sun 10/47:15 pm
ICN
-
SDF
1 stop37h 04m
Multiple Airlines
Deal found 7/24$1,046
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:50 am
SDF
-
ICN
1 stop21h 30m
Delta
Thu 9/2410:15 am
ICN
-
SDF
1 stop24h 01m
Delta
Deal found 7/29$1,107
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:50 pm
SDF
-
ICN
2 stops25h 30m
United Airlines
Thu 9/2411:30 am
ICN
-
SDF
2 stops23h 40m
United Airlines
Deal found 7/29$1,111
This Delta deal was found by Cheapflights users on 7/24. 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.
Wed 10/75:45 pm
SDF
-
ICN
1 stop21h 15m
Delta
Sat 10/247:40 pm
ICN
-
SDF
1 stop16h 06m
Delta
Deal found 7/24$1,156
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 10/76:15 am
SDF
-
ICN
1 stop20h 05m
United Airlines
Sat 10/245:15 pm
ICN
-
SDF
1 stop19h 26m
United Airlines
Deal found 7/28$1,157
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sun 8/303:25 pm
SDF
-
ICN
2 stops34h 35m
United Airlines
Sat 9/195:15 pm
ICN
-
SDF
1 stop18h 44m
United Airlines
Deal found 7/28$1,161
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:54 pm
SDF
-
ICN
1 stop32h 26m
Delta
Sat 9/196:50 pm
ICN
-
SDF
1 stop27h 01m
Delta
Deal found 7/28$1,162
This Cathay Pacific deal was found by Cheapflights users on 7/28. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 pm
SDF
-
ICN
2 stops38h 25m
Multiple Airlines
Thu 9/108:00 am
ICN
-
SDF
2 stops28h 25m
Multiple Airlines
Deal found 7/28$1,171
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
SDF
-
ICN
1 stop19h 10m
Delta
Sat 8/297:40 pm
ICN
-
SDF
1 stop16h 13m
Delta
Deal found 7/29$1,207
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:35 pm
SDF
-
ICN
2 stops23h 45m
United Airlines
Sat 8/294:50 pm
ICN
-
SDF
2 stops29h 48m
United Airlines
Deal found 7/29$1,211
This Cathay Pacific deal was found by Cheapflights users on 7/28. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:35 pm
SDF
-
ICN
2 stops29h 30m
Multiple Airlines
Fri 11/61:55 am
ICN
-
SDF
2 stops35h 40m
Multiple Airlines
Deal found 7/28$1,221
This Ovago deal was found by Cheapflights users on 7/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:45 pm
SDF
-
ICN
2 stops21h 35m
Asiana Airlines
Sat 8/294:50 pm
ICN
-
SDF
1 stop34h 39m
Asiana Airlines
Deal found 7/27$1,275

Find 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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,046
(Kiwi.com)

One-way from

$538
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$1,493
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. 3% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($79 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 29, 2026.
Use the filters below to find and compare flights from Louisville to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 9/1

5:45 pm-4:20 am

2 stops21h 35m

Incheon Intl

Tue 10/6

5:15 pm-11:41 pm

1 stop19h 26m

$1,107

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 9/1

7:55 am-4:25 pm

1 stop19h 30m

Incheon Intl

Tue 10/6

6:50 pm-11:59 pm

1 stop18h 09m

$1,107

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 9/1

6:50 am-5:20 pm

1 stop21h 30m

Incheon Intl

Thu 9/24

10:15 am-9:16 pm

1 stop24h 01m

$1,107

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 9/1

1:50 pm-4:20 am

2 stops25h 30m

Incheon Intl

Thu 9/24

11:30 am-10:10 pm

2 stops23h 40m

$1,111
Quickest round-trip

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Wed 10/7

5:45 pm-4:00 am

1 stop21h 15m

Incheon Intl

Sat 10/24

7:40 pm-10:46 pm

1 stop16h 06m

$1,156

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Wed 10/7

6:15 am-3:20 pm

1 stop20h 05m

Incheon Intl

Sat 10/24

5:15 pm-11:41 pm

1 stop19h 26m

$1,157
Cheapest one-way

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Wed 8/5

7:12 pm-3:45 pm

2 stops31h 33m

$538
Quickest one-way

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Wed 8/12

6:50 am-5:20 pm

1 stop21h 30m

$1,099

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Wed 8/12

4:30 pm-6:45 pm

3 stops37h 15m

$1,136

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Sorted by cheapest first

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, January is the cheapest month in which you can book a flight from Louisville to Incheon Intl Airport (average of $921). Flying from Louisville to Incheon Intl Airport in December is currently the most expensive (average of $2,405). 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.

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 July 29, 2026.
Read through reviews of airlines operating flights from Louisville to Incheon Intl Airport, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,486 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,486 reviews
Delta
7.8
Good
8,486 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,839 reviews
Delta
7.8
Good
8,486 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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. 2 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 30m. United Airlines provides one of the quickest options available for as low as $1,107. 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 $921 on this airline. An additional option worth looking into is American Airlines, starting at $1,218. These flights start at 40% 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, January is the cheapest month in which you can book a flight from Louisville to Incheon Intl Airport (average of $921). Flying from Louisville to Incheon Intl Airport in December is currently the most expensive (average of $2,405). 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
Seongnam
Suwon

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Alternative routes for Louisville to Incheon Intl

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

Top 2 airlines flying from Louisville to Incheon Intl

Discover the top 2 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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$921Average$2,017FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,218Average$1,478FlexibilityNo cancel feeOn-time71%

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