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Incheon Intl

$719+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ICN
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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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 August 7, 2025.

Round-trip from

$896
(Delta)

One-way from

$719
(American Airlines)

Popular in

May

Cheapest in

January

Average price

$1,157
From Louisville Intl to Incheon Intl
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One-way flight from Louisville Intl to Incheon Intl
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Highest demand for flights based on searches. 21% potential increase in price ($402 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($76 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 7, 2025.

This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:00 amSDF - ICN
1 stop22h 20mDelta
Fri 9/1910:15 amICN - SDF
1 stop25h 24mDelta
Deal found 8/7$896
This American Airlines deal was found by Cheapflights users on 8/6. 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 9/272:24 pmSDF - ICN
1 stop36h 06mAmerican Airlines
Sun 10/125:45 pmICN - SDF
1 stop19h 08mAmerican Airlines
Deal found 8/6$921
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/145:52 pmSDF - ICN
2 stops21h 28mUnited Airlines
Sat 9/2711:30 amICN - SDF
2 stops24h 00mUnited Airlines
Deal found 8/7$925
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sun 9/147:45 amSDF - ICN
1 stop18h 45mAmerican Airlines
Sat 9/275:25 pmICN - SDF
1 stop19h 15mAmerican Airlines
Deal found 8/6$1,064
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Tue 10/287:32 amSDF - ICN
1 stop19h 23mAmerican Airlines
Tue 11/186:50 pmICN - SDF
1 stop17h 11mAmerican Airlines
Deal found 8/5$1,122
This Delta deal was found by Cheapflights users on 8/6. 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 10/287:05 amSDF - ICN
2 stops20h 25mDelta
Tue 11/187:30 pmICN - SDF
2 stops18h 26mDelta
Deal found 8/6$1,127

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 August 7, 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

6:00 am-5:20 pm

1 stop22h 20m

Incheon Intl

Fri 9/19

10:15 am-10:39 pm

1 stop25h 24m

$896

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sat 9/27

2:24 pm-3:30 pm

1 stop36h 06m

Incheon Intl

Sun 10/12

5:45 pm-11:53 pm

1 stop19h 08m

$921

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sun 9/14

5:52 pm-4:20 am

2 stops21h 28m

Incheon Intl

Sat 9/27

11:30 am-10:30 pm

2 stops24h 00m

$925

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sun 9/14

7:45 am-3:30 pm

1 stop18h 45m

Incheon Intl

Sat 9/27

5:25 pm-11:40 pm

1 stop19h 15m

$1,064

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 10/28

7:32 am-3:55 pm

1 stop19h 23m

Incheon Intl

Tue 11/18

6:50 pm-10:01 pm

1 stop17h 11m

$1,122

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 10/28

7:05 am-4:30 pm

2 stops20h 25m

Incheon Intl

Tue 11/18

7:30 pm-11:56 pm

2 stops18h 26m

$1,127

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 10/7

6:00 am-3:30 pm

1 stop20h 30m

$719

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Tue 10/7

7:15 pm-6:45 pm

2 stops34h 30m

$815

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 9/4

7:10 am-2:10 pm

1 stop18h 00m

$2,806

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Fri 9/5

10:45 am-4:00 am

1 stop28h 15m

$3,131

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 12 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 $995). 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 August 7, 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 August 7, 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
7,987 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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
7,987 reviews
Delta
8.0
Very good
7,987 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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
1,319 reviews
Delta
8.0
Very good
7,987 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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
3,606 reviews
Delta
8.0
Very good
7,987 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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
8,916 reviews
Delta
8.0
Very good
7,987 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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
7,987 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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 Delta. Our recent data shows that you can find tickets from as low as $896 on this airline. An additional option worth looking into is American Airlines, starting at $921. These flights start at 39% 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 American Airlines, which is currently one of the cheapest options available, starting at $719. WestJet flights start at $815 while deals on Delta start at $2,806 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 $995). 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 Incheon Intl Airport?

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

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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.
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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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$927Average$1,056FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$952Average$1,568FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,112Average$1,678FlexibilityNo cancel feeOn-time81%

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