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Cheap flights from London Heathrow Airport to Louisville from £353

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDF
18 Jun — 25 Jun1
1 adult

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 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 13 June 2025.

Round-trip from

£618

One-way from

£353

Popular in

August

Cheapest in

January

Average price

£612
British Airways
  • British Airways
  • 9/7-16/7
  • 2 total stops
  • 27h 00m total
  • London to Louisville
19/6
  • 19/6
  • 2 total stops
  • 31h 47m total
  • London to Louisville
Highest demand for flights based on searches. 17% potential increase in price (£96 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in June 2025

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 13 June 2025.

Thu 19/608:20LHR - SDF
1 stop16h 20mBritish Airways
Wed 25/612:40SDF - LHR
1 stop12h 45mBritish Airways
Deal found 12/6£559
Thu 19/609:40LHR - SDF
2 stops16h 33mVirgin Atlantic
Wed 25/615:24SDF - LHR
1 stop14h 46mVirgin Atlantic
Deal found 12/6£570
Thu 19/606:30LHR - SDF
2 stops17h 04mDelta
Wed 25/612:53SDF - LHR
2 stops14h 07mDelta
Deal found 12/6£584
Fri 8/819:30LHR - SDF
2 stops31h 21mScandinavian Airlines
Wed 8/1012:40SDF - LHR
2 stops28h 00mScandinavian Airlines
Deal found 11/6£682
Sat 12/712:55LHR - SDF
3 stops34h 03mMultiple Airlines
Sat 19/721:43SDF - LHR
2 stops31h 47mMultiple Airlines
Deal found 11/6£720
Sat 26/709:30LHR - SDF
2 stops15h 56mLufthansa
Sat 2/818:08SDF - LHR
2 stops31h 27mLufthansa
Deal found 11/6£762
Sat 12/708:00LHR - SDF
2 stops18h 06mUnited Airlines
Sat 19/714:10SDF - LHR
1 stop11h 10mUnited Airlines
Deal found 11/6£834
Sun 27/714:25LHR - SDF
1 stop28h 38mAlaska Airlines
Sun 3/820:02SDF - LHR
1 stop32h 03mAlaska Airlines
Deal found 12/6£890
Sat 26/708:20LHR - SDF
1 stop16h 30mFinnair
Sat 2/818:50SDF - LHR
1 stop12h 25mFinnair
Deal found 11/6£890
Sat 26/711:45LHR - SDF
1 stop14h 35mKLM
Sat 2/810:34SDF - LHR
1 stop15h 11mKLM
Deal found 11/6£896
Sat 20/1208:50LHR - SDF
2 stops17h 32mAer Lingus
Fri 2/112:08SDF - LHR
2 stops23h 42mAer Lingus
Deal found 12/6£973

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 13 June 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

Wed 9/7

08:20-19:50

1 stop16h 30m

Louisville Intl

Wed 16/7

18:50-10:20

1 stop10h 30m

£618

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 9/7

10:55-00:32

2 stops18h 37m

Louisville Intl

Wed 16/7

15:21-13:30

1 stop17h 09m

£629

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 9/7

06:30-16:48

2 stops15h 18m

Louisville Intl

Wed 16/7

12:50-10:15

2 stops16h 25m

£634

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 8/8

19:30-21:51

2 stops31h 21m

Louisville Intl

Wed 8/10

12:40-21:40

2 stops28h 00m

£682

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 12/7

12:55-17:58

3 stops34h 03m

Louisville Intl

Sat 19/7

21:43-10:30

2 stops31h 47m

£720

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 26/7

09:30-20:26

2 stops15h 56m

Louisville Intl

Sat 2/8

18:08-06:35

2 stops31h 27m

£762

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 12/7

08:00-21:06

2 stops18h 06m

Louisville Intl

Sat 19/7

14:10-06:20

1 stop11h 10m

£834

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 27/7

14:25-14:03

1 stop28h 38m

Louisville Intl

Sun 3/8

20:02-09:05

1 stop32h 03m

£890

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 26/7

08:20-19:50

1 stop16h 30m

Louisville Intl

Sat 2/8

18:50-12:15

1 stop12h 25m

£890

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 26/7

11:45-21:20

1 stop14h 35m

Louisville Intl

Sat 2/8

10:34-06:45

1 stop15h 11m

£896

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 18 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 13 June 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 13 June 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and KLM 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.

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
8.0
Very Good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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 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 9 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 £618. Additional return tickets that might be worth considering are offered by Virgin Atlantic and Delta, with the lowest prices starting at £629 and £634, respectively.

  • 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 £472. Users have also found prices from £541 and £867 on Finnair 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 9 airlines flying from Heathrow to Louisville

Discover the top 9 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£416Average£508FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£416Average£553FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£423Average£564FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£433Average£568FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£436Average£646FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£436Average£574FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£441Average£503FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£463Average£498FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£472Average£686FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Louisville. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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