HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$527+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ICN
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$897
(American Airlines)

One-way from

$527
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$2,076
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. 17% potential increase in price ($322 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 30, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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.
Mon 9/87:45 amSDF - ICN
1 stop18h 45mAmerican Airlines
Fri 9/195:25 pmICN - SDF
1 stop19h 15mAmerican Airlines
Deal found 6/30$897
This Delta deal was found by Cheapflights users on 6/29. 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 9/137:05 amSDF - ICN
2 stops20h 25mDelta
Sat 9/2010:15 amICN - SDF
2 stops21h 21mDelta
Deal found 6/29$901
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 8/133:25 pmSDF - ICN
2 stops23h 55mUnited Airlines
Wed 8/2011:30 amICN - SDF
2 stops22h 32mUnited Airlines
Deal found 6/29$1,223
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Sat 7/267:13 pmSDF - ICN
2 stops37h 22mMultiple Airlines
Sun 8/106:20 pmICN - SDF
1 stop38h 35mMultiple Airlines
Deal found 6/30$1,290
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:44 amSDF - ICN
2 stops42h 31mQatar Airways
Mon 11/1712:20 amICN - SDF
2 stops35h 13mQatar Airways
Deal found 6/30$1,588
This KAYAK deal was found by Cheapflights users on 6/30. 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 12/172:23 pmSDF - ICN
2 stops32h 02mFinnair
Wed 12/3111:00 pmICN - SDF
2 stops34h 40mFinnair
Deal found 6/30$1,676
This Air Canada deal was found by Cheapflights users on 6/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:33 pmSDF - ICN
2 stops38h 32mAir Canada
Wed 9/107:05 pmICN - SDF
2 stops35h 10mAir Canada
Deal found 6/29$4,506

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 June 30, 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

Mon 9/8

7:45 am-3:30 pm

1 stop18h 45m

Incheon Intl

Fri 9/19

5:25 pm-11:40 pm

1 stop19h 15m

$897

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sat 9/13

7:05 am-5:20 pm

2 stops21h 15m

Incheon Intl

Sat 9/20

6:40 pm-10:58 pm

1 stop17h 18m

$901

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Wed 8/13

3:25 pm-4:20 am

2 stops23h 55m

Incheon Intl

Wed 8/20

11:30 am-9:02 pm

2 stops22h 32m

$1,223

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sat 7/26

7:13 pm-9:35 pm

2 stops37h 22m

Incheon Intl

Sun 8/10

6:20 pm-7:55 pm

1 stop38h 35m

$1,290

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 10/28

9:44 am-5:15 pm

2 stops42h 31m

Incheon Intl

Mon 11/17

12:20 am-9:33 pm

2 stops35h 13m

$1,588

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Wed 12/17

2:23 pm-12:25 pm

2 stops32h 02m

Incheon Intl

Wed 12/31

11:00 pm-7:40 pm

2 stops34h 40m

$1,676

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Wed 8/27

12:33 pm-4:05 pm

2 stops38h 32m

Incheon Intl

Wed 9/10

7:05 pm-5:15 pm

2 stops35h 10m

$4,506

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sun 9/14

6:15 pm-6:45 pm

2 stops35h 30m

$527

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sun 9/14

6:00 am-2:10 pm

1 stop19h 10m

$564

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Mon 9/15

6:12 pm-3:30 pm

2 stops32h 18m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 11 results
1
2

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, February is the cheapest month in which you can book a flight from Louisville to Incheon Intl Airport (average of $998). Flying from Louisville to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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 June 30, 2025.

It’s typically best to fly out from Louisville to Incheon Intl Airport in the morning. Doing so could potentially save you 20% on the flight price compared to flying in the afternoon, 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 June 30, 2025.
Read through reviews of airlines operating flights from Louisville to Incheon Intl Airport, such as Delta, Finnair, and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,299 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qatar Airways
7.4
Good
3,596 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 American Airlines. Our recent data shows that you can find tickets from as low as $897 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $901 and $1,223 round-trip. These flights start at 42% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Louisville to Incheon Intl Airport one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $564. American Airlines flights start at $574 while deals on Air Canada start at $3,380 one-way.

  • 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, February is the cheapest month in which you can book a flight from Louisville to Incheon Intl Airport (average of $998). Flying from Louisville to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

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
Nashville to Gimpo Intl flights
Cincinnati to Incheon Intl flights
Knoxville to Incheon Intl flights
Louisville to Gimpo Intl flights
Lexington 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$927Average$1,127FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$952Average$1,568FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,112Average$1,713FlexibilityNo 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.