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Incheon Intl

$776+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ICN
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,053
(United Airlines)

One-way from

$776
(WestJet)

Popular in

May

Cheapest in

February

Average price

$2,341
Provider with most accurate pricing for Louisville Intl-Incheon Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Incheon Intl flights.
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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. 15% potential increase in price ($288 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:31 amSDF - ICN
2 stops29h 49mUnited Airlines
Fri 9/1911:30 amICN - SDF
2 stops21h 58mUnited Airlines
Deal found 4/30$1,053
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Fri 7/49:37 amSDF - ICN
1 stop21h 53mMultiple Airlines
Mon 8/189:25 pmICN - SDF
2 stops32h 49mMultiple Airlines
Deal found 4/30$1,203
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:00 amSDF - ICN
1 stop18h 10mDelta
Fri 9/194:25 pmICN - SDF
1 stop17h 26mDelta
Deal found 4/30$1,216
This KAYAK deal was found by Cheapflights users on 4/30. 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 stops31h 57mFinnair
Wed 12/3111:00 pmICN - SDF
2 stops34h 40mFinnair
Deal found 4/30$1,491
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1412:53 pmSDF - ICN
2 stops40h 52mWestJet
Sat 6/218:45 pmICN - SDF
2 stops28h 03mWestJet
Deal found 4/30$1,719
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 6/282:09 pmSDF - ICN
1 stop36h 21mAmerican Airlines
Sat 8/25:25 pmICN - SDF
1 stop18h 19mAmerican Airlines
Deal found 4/30$1,827
This oojo deal was found by Cheapflights users on 4/30. 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.
Mon 9/86:43 pmSDF - ICN
2 stops33h 22mQatar Airways
Thu 9/181:20 amICN - SDF
2 stops33h 21mQatar Airways
Deal found 4/30$1,876
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:00 amSDF - ICN
2 stops22h 30mAir Canada
Wed 8/136:00 pmICN - SDF
2 stops32h 24mAir Canada
Deal found 4/29$5,245
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/252:50 pmSDF - ICN
2 stops30h 05mLufthansa
Thu 8/1412:25 pmICN - SDF
2 stops42h 02mLufthansa
Deal found 4/29$5,554
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/249:30 amSDF - ICN
1 stop18h 20mKorean Air
Wed 8/139:20 amICN - SDF
1 stop17h 29mKorean Air
Deal found 4/29$6,519
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/265:52 pmSDF - ICN
2 stops33h 48mKLM
Thu 8/1410:25 pmICN - SDF
2 stops32h 13mKLM
Deal found 4/29$9,807

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 May 1, 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

9:31 am-4:20 am

2 stops29h 49m

Incheon Intl

Fri 9/19

11:30 am-8:28 pm

2 stops21h 58m

$1,053

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Fri 7/4

9:37 am-8:30 pm

1 stop21h 53m

Incheon Intl

Mon 8/18

9:25 pm-5:14 pm

2 stops32h 49m

$1,203

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Mon 9/8

7:00 am-2:10 pm

1 stop18h 10m

Incheon Intl

Fri 9/19

4:25 pm-8:51 pm

1 stop17h 26m

$1,216

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sat 6/14

12:53 pm-6:45 pm

2 stops40h 52m

Incheon Intl

Sat 6/21

8:45 pm-11:48 am

2 stops28h 03m

$1,719

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sat 6/28

2:09 pm-3:30 pm

1 stop36h 21m

Incheon Intl

Sat 8/2

5:25 pm-10:44 pm

1 stop18h 19m

$1,827

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Mon 9/8

6:43 pm-5:05 pm

2 stops33h 22m

Incheon Intl

Thu 9/18

1:20 am-9:41 pm

2 stops33h 21m

$1,876

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 7/24

6:00 am-5:30 pm

2 stops22h 30m

Incheon Intl

Wed 8/13

6:00 pm-1:24 pm

2 stops32h 24m

$5,245

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Fri 7/25

2:50 pm-9:55 am

2 stops30h 05m

Incheon Intl

Thu 8/14

12:25 pm-5:27 pm

2 stops42h 02m

$5,554

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Thu 7/24

9:30 am-4:50 pm

1 stop18h 20m

Incheon Intl

Wed 8/13

9:20 am-1:49 pm

1 stop17h 29m

$6,519

LouisvilleIncheon

SDF - ICN

SDFICN

Louisville Intl

Sat 7/26

5:52 pm-4:40 pm

2 stops33h 48m

Incheon Intl

Thu 8/14

10:25 pm-5:38 pm

2 stops32h 13m

$9,807

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 15 results
1
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Louisville-Incheon Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, February is the cheapest month in which you can book a flight from Louisville to Incheon Intl Airport (average of $1,001). 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 May 1, 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.

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 May 1, 2025.
Korean Air
8.4
Very good
1,069 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
1,069 reviews
Korean Air
8.4
Very good
1,069 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
8.0
Very good
7,934 reviews
Korean Air
8.4
Very good
1,069 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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.
KLM
7.8
Good
1,334 reviews
Korean Air
8.4
Very good
1,069 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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.
Qatar Airways
7.4
Good
3,563 reviews
Korean Air
8.4
Very good
1,069 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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.
United Airlines
7.4
Good
8,696 reviews
Korean Air
8.4
Very good
1,069 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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.

  • 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 United Airlines. Our recent data shows that you can find tickets from as low as $1,053 on this airline. Additional options worth looking into are Delta and WestJet, starting at $1,216 and $1,719 round-trip. These flights start at 32% 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 WestJet, which is currently one of the cheapest options available, starting at $776. Air Canada flights start at $933 while deals on Delta start at $993 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 $1,001). 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$927Average$1,399FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$952Average$1,568FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,112Average$1,767FlexibilityNo cancel feeOn-time81%

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