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$443+ Cheap flights from Heathrow (LHR) to Louisville (SDF)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Louisville Intl are usually found in January or February, booked 56 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Heathrow to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Louisville (SDF). 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 September 11, 2025.

Round-trip from

$634
(United Airlines)

One-way from

$443
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$736
From London Heathrow to Louisville Intl
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One-way flight from London Heathrow to Louisville Intl
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Highest demand for flights based on searches. 13% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Heathrow to Louisville

Cheapest flights from Heathrow to Louisville
Explore the most affordable flight options available from Heathrow to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 9/267:45 amLHR - SDF
2 stops18h 03mUnited Airlines
Mon 9/298:45 amSDF - LHR
1 stop18h 35mUnited Airlines
Deal found 9/8$634
This The Travel House deal was found by Cheapflights users on 9/9. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:30 amLHR - SDF
2 stops17h 18mLufthansa
Tue 10/71:58 pmSDF - LHR
1 stop11h 22mLufthansa
Deal found 9/9$639
This Netflights deal was found by Cheapflights users on 9/9. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/23:00 pmLHR - SDF
1 stop13h 01mBritish Airways
Tue 10/74:28 pmSDF - LHR
1 stop11h 37mBritish Airways
Deal found 9/9$656
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:10 pmLHR - SDF
1 stop13h 20mLufthansa
Mon 9/291:58 pmSDF - LHR
1 stop11h 22mLufthansa
Deal found 9/8$658
This Netflights deal was found by Cheapflights users on 9/10. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:15 amLHR - SDF
1 stop13h 23mBritish Airways
Thu 10/93:46 pmSDF - LHR
1 stop10h 54mBritish Airways
Deal found 9/10$678
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:30 pmLHR - SDF
2 stops32h 33mMultiple Airlines
Mon 9/226:44 pmSDF - LHR
1 stop13h 01mMultiple Airlines
Deal found 9/10$791
This Ovago deal was found by Cheapflights users on 9/9. 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.
Wed 9/173:10 pmLHR - SDF
1 stop34h 40mBritish Airways
Mon 9/226:44 pmSDF - LHR
1 stop13h 01mBritish Airways
Deal found 9/9$800
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 10/311:45 amLHR - SDF
2 stops17h 07mDelta
Thu 10/910:41 amSDF - LHR
1 stop21h 49mDelta
Deal found 9/10$823
This Travcart deal was found by Cheapflights users on 9/9. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:30 pmLHR - SDF
2 stops28h 58mVirgin Atlantic
Mon 9/223:09 pmSDF - LHR
1 stop17h 21mVirgin Atlantic
Deal found 9/9$833

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Louisville 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 September 11, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Louisville that are best for you.

Fly from

Heathrow

Fly to

Louisville

Route

Depart

Return

Price

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 9/26

7:45 am-8:48 pm

2 stops18h 03m

Louisville Intl

Mon 9/29

8:45 am-8:20 am

1 stop18h 35m

$634

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 10/7

9:30 am-8:48 pm

2 stops16h 18m

Louisville Intl

Thu 10/16

10:55 am-6:55 am

2 stops15h 00m

$634

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 10/2

8:30 am-8:48 pm

2 stops17h 18m

Louisville Intl

Tue 10/7

1:58 pm-6:20 am

1 stop11h 22m

$639

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 10/2

3:00 pm-11:01 pm

1 stop13h 01m

Louisville Intl

Tue 10/7

4:28 pm-9:05 am

1 stop11h 37m

$656

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 9/26

2:10 pm-10:30 pm

1 stop13h 20m

Louisville Intl

Mon 9/29

1:58 pm-6:20 am

1 stop11h 22m

$658

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 10/3

11:45 am-11:52 pm

2 stops17h 07m

Louisville Intl

Thu 10/9

10:41 am-1:30 pm

1 stop21h 49m

$823

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 10/3

6:50 am-5:13 pm

2 stops15h 23m

Louisville Intl

Thu 10/9

7:00 am-10:15 am

2 stops22h 15m

$855

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 10/24

8:40 am-8:33 pm

2 stops16h 53m

Louisville Intl

Fri 10/31

6:34 am-9:20 pm

1 stop10h 46m

$855

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 10/15

9:25 pm-9:01 am

3 stops40h 36m

$443

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 12/11

9:55 am-4:15 pm

3 stops35h 20m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 14 results
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Best time to book a flight from Heathrow to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Heathrow 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 London Heathrow Airport to Louisville

What is the cheapest month to book a flight from London Heathrow Airport to Louisville?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of $299). Flying from London Heathrow Airport to Louisville in April is currently the most expensive (average of $369). 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 LHR to SDF?

Find hourly flight availability from Heathrow to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Louisville as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Louisville. 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 into for flights to Louisville from London Heathrow?

    For a flight from London Heathrow to Louisville, you will be flying into Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city. Louisville Intl is the only Louisville airport and it handles 0 inbound flights from London Heathrow per day. 0 airlines have flights to Louisville Intl from London Heathrow on a regular basis.

  • How long is the flight from London Heathrow Airport to Louisville?

    There are many flights that can get you from London Heathrow Airport to Louisville in 17h 18m. Fly via United Airlines or Lufthansa to get the fastest option. The distance between London Heathrow Airport and Louisville is about 4033 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Heathrow to Louisville that include hotel bookings?

    Yes. In addition to deals on Heathrow to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Louisville.

  • Can I find deals for business class flights from Heathrow to Louisville?

    Yes. Cheapflights offers flight deals from Heathrow to Louisville 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 London Heathrow Airport to Louisville?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of $299). Flying from London Heathrow Airport to Louisville in April is currently the most expensive (average of $369). 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
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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