What is the cheapest airline that flies from Louisville Intl to Incheon Intl?

United Airlines is the most popular carrier operating from Louisville Intl to Incheon Intl

What airlines fly to Incheon Intl Airport?

Delta, Korean Air and American Airlines are the top three most popular airlines that fly to Incheon Intl Airport from Louisville according to our data. Delta is the first choice among our users, with 87% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 3 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to Incheon Intl Airport?

Prices for flights from Louisville Intl Airport to Incheon Intl Airport refresh daily.

How many operators does momondo search for flights from Louisville Intl Airport to Incheon Intl Airport?

As of September 2026, there are 2 operators available to choose from for flights from Louisville Intl Airport to Incheon Intl Airport.

How old do you have to be to fly from Louisville Intl Airport to Incheon Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Incheon Intl Airport.

What documentation or ID do you need to fly to Incheon Intl Airport?

The necessary travel and health documents for your Incheon Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$504 Cheap Flights from Louisville to Incheon Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Seoul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:03 am - 12:40 pmSDF Louisville Intl-ICN Incheon Intl

40h 37m2 stops Chicago O'Hare Intl Hong Kong Intl

1:55 am - 9:35 pmICN Incheon Intl-SDF Louisville Intl

32h 40m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,091Multiple Airlines

Tue, Sep 29 - Mon, Oct 5

10:29 am - 12:40 pmSDF Louisville Intl-ICN Incheon Intl

37h 11m2 stops Chicago O'Hare Intl Hong Kong Intl

1:55 am - 11:27 pmICN Incheon Intl-SDF Louisville Intl

34h 32m2 stops Hong Kong Intl Dallas/Fort Worth

$1,096Multiple Airlines

Thu, Oct 1 - Wed, Oct 7

10:29 am - 12:40 pmSDF Louisville Intl-ICN Incheon Intl

37h 11m2 stops Chicago O'Hare Intl Hong Kong Intl

1:40 pm - 11:27 pmICN Incheon Intl-SDF Louisville Intl

46h 47m2 stops Hong Kong Intl Dallas/Fort Worth

$1,141Multiple Airlines

Sat, Sep 26 - Sun, Oct 4

10:16 am - 2:05 pmSDF Louisville Intl-ICN Incheon Intl

38h 49m2 stops Chicago O'Hare Intl Hong Kong Intl

8:00 am - 9:35 pmICN Incheon Intl-SDF Louisville Intl

26h 35m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,141Multiple Airlines

Wed, Oct 7 - Sat, Oct 24

7:55 pm - 2:10 pmSDF Louisville Intl-ICN Incheon Intl

29h 15m1 stop Atlanta Hartsfield-Jackson

10:15 am - 1:53 pmICN Incheon Intl-SDF Louisville Intl

16h 38m1 stop Detroit Metropolitan Wayne County

$1,178Delta

Sun, Sep 27 - Thu, Oct 8

7:55 pm - 2:10 pmSDF Louisville Intl-ICN Incheon Intl

29h 15m1 stop Atlanta Hartsfield-Jackson

4:25 pm - 11:59 pmICN Incheon Intl-SDF Louisville Intl

20h 34m1 stop Atlanta Hartsfield-Jackson

$1,178Delta

Sun, Sep 27 - Mon, Oct 5

3:43 pm - 4:00 amSDF Louisville Intl-ICN Incheon Intl

23h 17m1 stop Atlanta Hartsfield-Jackson

10:15 am - 9:13 pmICN Incheon Intl-SDF Louisville Intl

23h 58m1 stop Detroit Metropolitan Wayne County

$1,178Delta

Mon, Sep 28 - Tue, Oct 6

7:35 pm - 3:45 pmSDF Louisville Intl-ICN Incheon Intl

31h 10m1 stop Dallas/Fort Worth

6:50 pm - 11:34 pmICN Incheon Intl-SDF Louisville Intl

18h 44m1 stop Dallas/Fort Worth

$1,234American Airlines

Sun, Sep 27 - Sat, Nov 7

5:49 pm - 3:45 pmSDF Louisville Intl-ICN Incheon Intl

32h 56m1 stop Dallas/Fort Worth

6:50 pm - 9:38 amICN Incheon Intl-SDF Louisville Intl

28h 48m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,238American Airlines

Sun, Sep 27 - Sat, Nov 7

7:27 pm - 3:45 pmSDF Louisville Intl-ICN Incheon Intl

31h 18m2 stops Charlotte Douglas Dallas/Fort Worth

5:50 pm - 11:27 pmICN Incheon Intl-SDF Louisville Intl

18h 37m1 stop Dallas/Fort Worth

$1,282American Airlines

Sat, Sep 26 - Sun, Oct 4

Cheap last minute flights

Enter your travel dates to find the best prices.

7:03 am - 3:45 pmSDF Louisville Intl-ICN Incheon Intl

19h 42m1 stop Dallas/Fort Worth

5:50 pm - 11:25 pmICN Incheon Intl-SDF Louisville Intl

18h 35m1 stop Dallas/Fort Worth

$1,124American Airlines

Sat, Sep 5 - Thu, Sep 10

7:00 pm - 3:45 pmSDF Louisville Intl-ICN Incheon Intl

31h 45m1 stop Dallas/Fort Worth

5:50 pm - 11:25 pmICN Incheon Intl-SDF Louisville Intl

18h 35m1 stop Dallas/Fort Worth

$1,130American Airlines

Sat, Sep 5 - Thu, Sep 10

7:00 pm - 10:25 pmSDF Louisville Intl-ICN Incheon Intl

38h 25m2 stops Dallas/Fort Worth Hong Kong Intl

8:00 am - 11:25 pmICN Incheon Intl-SDF Louisville Intl

28h 25m2 stops Hong Kong Intl Dallas/Fort Worth

$1,141Multiple Airlines

Sat, Sep 5 - Thu, Sep 10

6:50 am - 4:50 pmSDF Louisville Intl-ICN Incheon Intl

21h 00m2 stops Minneapolis St Paul Seattle/Tacoma Intl

10:15 am - 9:16 pmICN Incheon Intl-SDF Louisville Intl

24h 01m1 stop Detroit Metropolitan Wayne County

$1,162Delta

Sat, Sep 5 - Thu, Sep 10

7:00 pm - 10:25 pmSDF Louisville Intl-ICN Incheon Intl

38h 25m2 stops Dallas/Fort Worth Hong Kong Intl

8:00 am - 11:25 pmICN Incheon Intl-SDF Louisville Intl

28h 25m2 stops Hong Kong Intl Dallas/Fort Worth

$1,194Multiple Airlines

Sat, Sep 5 - Thu, Sep 10

3:35 pm - 6:45 pmSDF Louisville Intl-ICN Incheon Intl

38h 10m2 stops Houston George Bush Intcntl Taipei City Taiwan Taoyuan Intl

12:00 pm - 2:29 pmICN Incheon Intl-SDF Louisville Intl

39h 29m3 stops Taipei City Taiwan Taoyuan Intl San Francisco Denver Intl

$1,596Multiple Airlines

Sat, Sep 5 - Thu, Sep 10

3:35 pm - 6:45 pmSDF Louisville Intl-ICN Incheon Intl

38h 10m2 stops Houston George Bush Intcntl Taipei City Taiwan Taoyuan Intl

7:45 pm - 2:29 pmICN Incheon Intl-SDF Louisville Intl

31h 44m3 stops Taipei City Taiwan Taoyuan Intl San Francisco Denver Intl

$1,596Multiple Airlines

Sat, Sep 5 - Thu, Sep 10

3:35 pm - 6:45 pmSDF Louisville Intl-ICN Incheon Intl

38h 10m2 stops Houston George Bush Intcntl Taipei City Taiwan Taoyuan Intl

7:45 pm - 2:29 pmICN Incheon Intl-SDF Louisville Intl

31h 44m3 stops Taipei City Taiwan Taoyuan Intl San Francisco Denver Intl

$1,612Multiple Airlines

Sat, Sep 5 - Thu, Sep 10

6:50 am - 4:50 pmSDF Louisville Intl-ICN Incheon Intl

21h 00m2 stops Minneapolis St Paul Seattle/Tacoma Intl

10:15 am - 9:16 pmICN Incheon Intl-SDF Louisville Intl

24h 01m1 stop Detroit Metropolitan Wayne County

$1,996Delta

Sat, Sep 5 - Thu, Sep 10

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Delta flights from Louisville to Incheon Intl Airport

Our best Delta deals on Louisville to Incheon Intl Airport flight tickets

Delta

Sep 5

SDF6:50 amLouisville Intl

21h 00m

2 stops

ICN4:50 pmIncheon Intl

Sep 10

ICN10:15 amIncheon Intl

24h 01m

1 stop

SDF9:16 pmLouisville Intl

$1,162

Delta

Sep 27

SDF7:55 pmLouisville Intl

29h 15m

1 stop

ICN2:10 pmIncheon Intl

Nov 7

ICN7:25 pmIncheon Intl

18h 34m

1 stop

SDF11:59 pmLouisville Intl

$1,178

Delta

Sep 28

SDF6:00 amLouisville Intl

21h 25m

2 stops

ICN4:25 pmIncheon Intl

Oct 5

ICN7:00 pmIncheon Intl

17h 43m

2 stops

SDF11:43 pmLouisville Intl

$1,182

American Airlines flights from Louisville to Incheon Intl Airport

Our best American Airlines deals on Louisville to Incheon Intl Airport flight tickets

American Airlines

Sep 5

SDF7:03 amLouisville Intl

19h 42m

1 stop

ICN3:45 pmIncheon Intl

Sep 10

ICN5:50 pmIncheon Intl

18h 35m

1 stop

SDF11:25 pmLouisville Intl

$1,124

American Airlines

Sep 5

SDF7:00 pmLouisville Intl

31h 45m

1 stop

ICN3:45 pmIncheon Intl

Sep 10

ICN5:50 pmIncheon Intl

18h 35m

1 stop

SDF11:25 pmLouisville Intl

$1,130

American Airlines

Sep 27

SDF7:35 pmLouisville Intl

31h 10m

1 stop

ICN3:45 pmIncheon Intl

Nov 7

ICN6:50 pmIncheon Intl

18h 44m

1 stop

SDF11:34 pmLouisville Intl

$1,234

momondo Fare Finder

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 Louisville Intl - ICN Incheon Intl

SDFICN

Louisville Intl

Tue 9/29

7:03 am-12:40 pm

2 stops40h 37m

Incheon Intl

Mon 10/5

1:55 am-9:35 pm

2 stops32h 40m

$1,091

LouisvilleIncheon

SDF Louisville Intl - ICN Incheon Intl

SDFICN

Louisville Intl

Thu 10/1

10:29 am-12:40 pm

2 stops37h 11m

Incheon Intl

Wed 10/7

1:55 am-11:27 pm

2 stops34h 32m

$1,096

LouisvilleIncheon

SDF Louisville Intl - ICN Incheon Intl

SDFICN

Louisville Intl

Sat 9/26

10:29 am-12:40 pm

2 stops37h 11m

Incheon Intl

Sun 10/4

1:40 pm-11:27 pm

2 stops46h 47m

$1,141

LouisvilleIncheon

SDF Louisville Intl - ICN Incheon Intl

SDFICN

Louisville Intl

Wed 10/7

10:16 am-2:05 pm

2 stops38h 49m

Incheon Intl

Sat 10/24

8:00 am-9:35 pm

2 stops26h 35m

$1,141

Quickest round-trip

LouisvilleIncheon

SDF Louisville Intl - ICN Incheon Intl

SDFICN

Louisville Intl

Sun 9/27

7:55 pm-2:10 pm

1 stop29h 15m

Incheon Intl

Thu 10/8

10:15 am-1:53 pm

1 stop16h 38m

$1,178

LouisvilleIncheon

SDF Louisville Intl - ICN Incheon Intl

SDFICN

Louisville Intl

Sun 9/27

7:55 pm-2:10 pm

1 stop29h 15m

Incheon Intl

Mon 10/5

4:25 pm-11:59 pm

1 stop20h 34m

$1,178

LouisvilleIncheon

SDF Louisville Intl - ICN Incheon Intl

SDFICN

Louisville Intl

Mon 9/28

3:43 pm-4:00 am

1 stop23h 17m

Incheon Intl

Tue 10/6

10:15 am-9:13 pm

1 stop23h 58m

$1,178

LouisvilleIncheon

SDF Louisville Intl - ICN Incheon Intl

SDFICN

Louisville Intl

Sun 9/27

7:35 pm-3:45 pm

1 stop31h 10m

Incheon Intl

Sat 11/7

6:50 pm-11:34 pm

1 stop18h 44m

$1,234

LouisvilleIncheon

SDF Louisville Intl - ICN Incheon Intl

SDFICN

Louisville Intl

Sun 9/27

5:49 pm-3:45 pm

1 stop32h 56m

Incheon Intl

Sat 11/7

6:50 pm-9:38 am

2 stops28h 48m

$1,238

LouisvilleIncheon

SDF Louisville Intl - ICN Incheon Intl

SDFICN

Louisville Intl

Sat 9/26

7:27 pm-3:45 pm

2 stops31h 18m

Incheon Intl

Sun 10/4

5:50 pm-11:27 pm

1 stop18h 37m

$1,282

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Incheon Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Louisville is in January. Flight prices, which tend to average around $921, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of January, then departing from Louisville during the month October is also very affordable. Most momondo users find prices during this month for around $1,122.

Can stopping save me money on Louisville to Incheon Intl Airport flights?

You could potentially save up to 30% on your flight if you consider stops on a Louisville to Incheon Intl Airport flight.

When to book flights from Louisville to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Incheon Intl Airport (SDF to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Incheon Intl Airport

Best Price Found	$504
Fastest flight time	22h 50m
Direct flights	None

The best one-way flight to Incheon Intl Airport from Louisville in the past 72 hours is $504. The best round-trip flight deal from Louisville to Incheon Intl Airport found on momondo in the last 72 hours is $1,091.

The fastest flight from Louisville to Incheon Intl Airport takes 22h 50m

There are no direct flights from Louisville to Incheon Intl Airport. There are no popular flight routes from Louisville to Incheon Intl Airport.

Search flight deals

Frequently asked questions about flying from Louisville to Incheon Intl Airport

How far is Louisville Intl to Incheon Intl by plane?
Incheon Intl is 6814.1 mi away from Louisville Intl. By plane, this route typically takes 22h 50m.
When did momondo last update prices for flights from Louisville Intl Airport to Incheon Intl Airport?
Prices for flights from Louisville Intl Airport to Incheon Intl Airport refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Incheon Intl Airport?
As of September 2026, there are 2 operators available to choose from for flights from Louisville Intl Airport to Incheon Intl Airport.
How old do you have to be to fly from Louisville Intl Airport to Incheon Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Incheon Intl Airport.
What documentation or ID do you need to fly to Incheon Intl Airport?
The necessary travel and health documents for your Incheon Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Louisville to Incheon Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Incheon Intl Airport is Delta (76% of total bookings). The next most popular airline is American Airlines (24%).

Best airlines flying from Louisville to Incheon Intl Airport

Compare and see reviews for airlines that fly from Louisville to Incheon Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $921	Free Cancellation	Rating 7.8 8,545 reviews		Search Delta flights
American Airlines	PriceFrom $1,218	Free Cancellation	Rating 7.1 12,026 reviews		Search American Airlines flights

Daejeon

Suwon

Seongnam

Anyang

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Why should I use momondo to find a flight deal from Louisville to Seoul?

It is quick and easy to find Louisville to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

Can I find flights from Louisville to Seoul with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seoul from Louisville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Louisville to Seoul?

Once all potential Louisville to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Louisville to Seoul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisville to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Incheon Intl Airport trip

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Flights to Seoul Gimpo Intl Airportfrom $717

Cheap flights from Louisville to Seoul from $504

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Seoul departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Louisville to Incheon Intl Airport

Our best Delta deals on Louisville to Incheon Intl Airport flight tickets

American Airlines flights from Louisville to Incheon Intl Airport

Our best American Airlines deals on Louisville to Incheon Intl Airport flight tickets

momondo Fare Finder

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

See travel insights to Seoul from

How to get the cheapest flight ticket from Louisville to Incheon Intl Airport

What is the cheapest month to fly to Incheon Intl Airport?

Can stopping save me money on Louisville to Incheon Intl Airport flights?

What is the cheapest airline that flies from Louisville Intl to Incheon Intl?

What airlines fly to Incheon Intl Airport?

When to book flights from Louisville to Incheon Intl Airport

Cheap Louisville to Incheon Intl Airport (SDF to ICN) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisville to Incheon Intl Airport

Best airlines flying from Louisville to Incheon Intl Airport

Compare and see reviews for airlines that fly from Louisville to Incheon Intl Airport with momondo

Traveling to a place near Seoul?

Why use momondo?

An easier way to manage your Incheon Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Seoul

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Louisville flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

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