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Cheap flights from London Heathrow Airport to Louisville from £446

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDF
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Louisville Intl are usually found in January or February, booked 55 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 29 April 2025.

Round-trip from

£565

One-way from

£446

Popular in

August

Cheapest in

January

Average price

£614
British Airways
  • British Airways
  • 22/9-28/9
  • 2 total stops
  • 25h 52m total
  • London to Louisville
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27/8
  • 27/8
  • 3 total stops
  • 30h 26m total
  • London to Louisville
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£89 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in April 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 29 April 2025.

Mon 22/909:15LHR - SDF
1 stop14h 09mBritish Airways
Sun 28/914:37SDF - LHR
1 stop11h 43mBritish Airways
Deal found 28/4£565
Mon 22/912:05LHR - SDF
2 stops37h 23mLufthansa
Sun 28/915:50SDF - LHR
1 stop34h 50mLufthansa
Deal found 28/4£575
Thu 12/608:20LHR - SDF
1 stop32h 03mMultiple Airlines
Thu 19/613:18SDF - LHR
1 stop12h 57mMultiple Airlines
Deal found 28/4£576
Mon 22/906:30LHR - SDF
2 stops16h 09mDelta
Sun 28/914:59SDF - LHR
2 stops14h 16mDelta
Deal found 28/4£588
Mon 23/612:30LHR - SDF
1 stop13h 58mAmerican Airlines
Mon 30/615:45SDF - LHR
1 stop11h 05mAmerican Airlines
Deal found 28/4£674
Wed 11/613:05LHR - SDF
1 stop13h 08mVirgin Atlantic
Wed 18/612:53SDF - LHR
2 stops13h 22mVirgin Atlantic
Deal found 28/4£696
Tue 24/606:10LHR - SDF
2 stops21h 49mIberia
Tue 1/718:41SDF - LHR
2 stops46h 44mIberia
Deal found 28/4£710
Wed 28/509:30LHR - SDF
2 stops15h 56mAir Canada
Tue 1/707:00SDF - LHR
2 stops18h 30mAir Canada
Deal found 28/4£727
Wed 28/515:15LHR - SDF
1 stop13h 50mKLM
Sat 28/617:51SDF - LHR
1 stop14h 39mKLM
Deal found 28/4£727
Thu 29/512:15LHR - SDF
1 stop12h 31mUnited Airlines
Tue 1/714:50SDF - LHR
1 stop11h 05mUnited Airlines
Deal found 28/4£750
Thu 29/511:45LHR - SDF
1 stop11h 44mAir France
Sun 29/613:44SDF - LHR
1 stop12h 01mAir France
Deal found 28/4£757
Fri 13/606:40LHR - SDF
3 stops19h 33mScandinavian Airlines
Fri 20/617:37SDF - LHR
2 stops14h 58mScandinavian Airlines
Deal found 29/4£845

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 29 April 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

Mon 22/9

09:15-18:24

1 stop14h 09m

Louisville Intl

Sun 28/9

14:37-07:20

1 stop11h 43m

£565

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 22/9

12:05-20:28

2 stops37h 23m

Louisville Intl

Sun 28/9

15:50-07:40

1 stop34h 50m

£575

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 12/6

08:20-11:23

1 stop32h 03m

Louisville Intl

Thu 19/6

13:18-07:15

1 stop12h 57m

£576

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 22/9

06:30-17:39

2 stops16h 09m

Louisville Intl

Sun 28/9

14:59-10:15

2 stops14h 16m

£588

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 23/6

12:30-21:28

1 stop13h 58m

Louisville Intl

Mon 30/6

15:45-07:50

1 stop11h 05m

£674

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 11/6

13:05-21:13

1 stop13h 08m

Louisville Intl

Wed 18/6

12:53-07:15

2 stops13h 22m

£696

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 24/6

06:10-22:59

2 stops21h 49m

Louisville Intl

Tue 1/7

18:41-22:25

2 stops46h 44m

£710

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 28/5

09:30-20:26

2 stops15h 56m

Louisville Intl

Wed 25/6

07:00-06:30

2 stops18h 30m

£727

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 28/5

15:15-00:05

1 stop13h 50m

Louisville Intl

Sat 28/6

17:51-13:30

1 stop14h 39m

£727

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 29/5

12:15-19:46

1 stop12h 31m

Louisville Intl

Tue 1/7

14:50-06:55

1 stop11h 05m

£750

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 20 results
1
2

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 return 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 £662). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £1,019). 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 29 April 2025.

It’s typically best to fly out from London Heathrow Airport to Louisville in the afternoon. Doing so could potentially save you 4% on the flight price compared to flying in the evening, which is usually more expensive.

Rainfall in Louisville by month

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

In terms of precipitation, rainfall in Louisville ranges from 79.0 - 135.0 inches per month. May is typically the wettest month, when rainfall can reach 135.0 mm. September is typically the driest time to visit Louisville when rainfall is around 79.0 mm.

Temperature in Louisville by month

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

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated 29 April 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air France from London to Louisville to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,929 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,444 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    Most people fly into Louisville Intl (SDF) if they book a flight to Louisville from London Heathrow. On average, Louisville Intl has 0 inbound flights from London Heathrow per day from 7 airlines. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • What are the cheapest airlines flying from London Heathrow Airport to Louisville round-trip?

    Flying on British Airways is currently your cheapest option to Louisville, with prices starting at £565. Additional return tickets that might be worth considering are offered by Lufthansa and Delta, with the lowest prices starting at £575 and £588, respectively. Users have found that British Airways is 6% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Louisville one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £454. Users have also found prices from £551 and £677 on British Airways and Iberia, respectively.

  • 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 holiday 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 £662). Flying from London Heathrow Airport to Louisville in July is currently the most expensive (average of £1,019). 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

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.

Top 7 airlines flying from Heathrow to Louisville

Discover the top 7 airlines that operate flights from Heathrow to Louisville. 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 858,174 searches. Data last updated 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£423Average£505FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£424Average£570FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£430Average£574FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£440Average£570FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£444Average£584FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LufthansaCheapest£447Average£542FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£449Average£512FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Louisville?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Louisville?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Louisville for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Louisville with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Louisville with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Louisville become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Louisville from Heathrow today and book when prices fit your budget.

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