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Cheap flights from London Heathrow Airport to Louisville from £432

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDF
4 Sep — 11 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Louisville

Enter your travel dates to find the best prices.

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 5 August 2026.

Thu 3/1218:40 -
2 stops33h 20m
Mon 7/1215:00 -
2 stops21h 40m
Deal found 4/8£591
Wed 23/919:30 -
2 stops31h 29m
Tue 29/912:39 -
2 stops15h 41m
Deal found 3/8£594
Thu 29/1019:30 -
2 stops32h 29m
Fri 6/1113:59 -
2 stops21h 01m
Deal found 4/8£622
Wed 16/907:30 -
2 stops20h 03m
Wed 30/918:03 -
1 stop11h 47m
Deal found 4/8£635
Wed 23/912:15 -
1 stop15h 18m
Tue 29/917:59 -
1 stop11h 51m
Deal found 3/8£643
Tue 1/908:55 -
1 stop18h 22m
Tue 8/918:30 -
1 stop11h 00m
Deal found 4/8£644
Tue 1/911:15 -
1 stop13h 18m
Tue 8/918:00 -
1 stop14h 15m
Deal found 4/8£649
Tue 15/914:25 -
1 stop13h 08m
Tue 22/917:59 -
1 stop13h 16m
Deal found 1/8£662
Tue 1/908:30 -
2 stops15h 37m
Thu 17/913:08 -
1 stop11h 47m
Deal found 31/7£664

Find 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 5 August 2026.

Round-trip from

£591

One-way from

£432

Popular in

March

Cheapest in

September

Average price

£661
Scandinavian Airlines
  • Scandinavian Airlines
  • 16/1-20/1
  • 4 total stops
  • 55h 47m total
  • London to Louisville
Search Deals
15/9
  • 15/9
  • 2 total stops
  • 53h 24m total
  • London to Louisville
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 5 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 3/12

18:40-23:00

2 stops33h 20m

Louisville Intl

Mon 7/12

15:00-17:40

2 stops21h 40m

£591

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 23/9

19:30-21:59

2 stops31h 29m

Louisville Intl

Tue 29/9

12:39-09:20

2 stops15h 41m

£594

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 9/11

07:30-22:30

2 stops20h 00m

Louisville Intl

Sun 15/11

18:30-20:35

1 stop21h 05m

£691

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

12:30-23:22

1 stop15h 52m

Louisville Intl

Wed 23/9

14:41-10:50

1 stop15h 09m

£708

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 15/9

09:15-19:10

1 stop14h 55m

Louisville Intl

Tue 22/9

17:59-10:50

1 stop11h 51m

£708

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 15/9

08:40-19:14

2 stops15h 34m

Louisville Intl

Tue 22/9

11:04-07:10

2 stops15h 06m

£716

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

09:55-21:30

2 stops16h 35m

Louisville Intl

Wed 23/9

13:15-07:10

2 stops12h 55m

£718

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 16/1

06:50-16:49

2 stops14h 59m

Louisville Intl

Wed 20/1

11:00-07:55

1 stop15h 55m

£729

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 3/12

12:05-19:34

1 stop12h 29m

Louisville Intl

Mon 7/12

12:20-05:55

1 stop12h 35m

£742
Fastest return journey

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 30/10

12:00-20:39

1 stop12h 39m

Louisville Intl

Thu 5/11

06:10-21:20

1 stop10h 10m

£742

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 15 resultsSorted by cheapest first
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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of £493). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,004). 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.

How much does it cost for a return flight from London Heathrow Airport to Louisville?

Airfare is typical for this route at the moment.

London Heathrow Airport to Louisville flights typically cost between £578 and £1,025 in January.
The cheapest return price found within the last 5 days was £591 on Scandinavian Airlines (16 Jan–20 Jan).

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 5 August 2026.
Read reviews from past customers who have flown with Virgin Atlantic,United Airlines, andAmerican Airlines from London Heathrow Airport to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
694 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
10,060 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
American Airlines
7.1
Good
11,846 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,176 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,148 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Food

6.9

Crew

8.1

Overall

7.5

Comfort

7.3

Entertainment

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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 5 airlines. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

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

    Airlines like Scandinavian Airlines, United Airlines, and British Airways fly from London Heathrow Airport to Louisville in about 15h 52m. The time it takes to get you to your destination can typically vary by up to 17h 28m. Airlines will cover a distance of 4033 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Flying on Virgin Atlantic is currently your cheapest option to Louisville, with prices starting at £475. Additional return tickets that might be worth considering are offered by United Airlines and Lufthansa, with the lowest prices starting at £480 and £483, respectively. Users have found that Virgin Atlantic is 36% cheaper than the other options available to this destination.

  • 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Louisville (average of £493). Flying from London Heathrow Airport to Louisville in March is currently the most expensive (average of £1,004). 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

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Top 5 airlines flying from Heathrow to Louisville

Discover the top 5 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 5 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£475Average£726FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£480Average£700FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£483Average£566FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£522Average£724FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£594Average£913FlexibilityNo cancel feeOn-time71%
Search American 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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