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Cheap flights from London Heathrow Airport to Louisville from £410

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Louisville departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from London Heathrow Airport to Louisville

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
13:10 - 21:30
LHR
-
SDF
13h 20m
1 stop
British Airways Logo
16:35 - 08:00
SDF
-
LHR
10h 25m
1 stop
£648British Airways
Tue, 5 May - Tue, 12 May
British Airways Logo
12:15 - 21:30
LHR
-
SDF
14h 15m
1 stop
British Airways Logo
19:01 - 10:30
SDF
-
LHR
10h 29m
1 stop
£649British Airways
Mon, 20 Apr - Mon, 27 Apr
Finnair Logo
12:15 - 23:48
LHR
-
SDF
16h 33m
1 stop
Finnair Logo
19:01 - 12:15
SDF
-
LHR
12h 14m
1 stop
£651Finnair
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
07:25 - 20:16
LHR
-
SDF
17h 51m
2 stops
United Airlines Logo
14:20 - 10:40
SDF
-
LHR
15h 20m
2 stops
£665United Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
09:30 - 23:59
LHR
-
SDF
19h 29m
2 stops
United Airlines Logo
06:17 - 21:25
SDF
-
LHR
10h 08m
1 stop
£666United Airlines
Wed, 6 May - Wed, 13 May
United Airlines Logo
10:50 - 22:30
LHR
-
SDF
16h 40m
2 stops
United Airlines Logo
16:17 - 09:20
SDF
-
LHR
12h 03m
1 stop
£667United Airlines
Tue, 5 May - Tue, 12 May
United Airlines Logo
10:50 - 22:30
LHR
-
SDF
16h 40m
2 stops
United Airlines Logo
15:36 - 10:15
SDF
-
LHR
13h 39m
2 stops
£670United Airlines
Mon, 4 May - Mon, 11 May
Delta Logo
11:45 - 23:59
LHR
-
SDF
17h 14m
2 stops
Delta Logo
12:53 - 10:20
SDF
-
LHR
16h 27m
2 stops
£672Delta
Wed, 16 Sep - Wed, 23 Sep
British Airways Logo
12:30 - 21:39
LHR
-
SDF
14h 09m
1 stop
British Airways Logo
20:04 - 12:10
SDF
-
LHR
11h 06m
1 stop
£676British Airways
Wed, 16 Sep - Wed, 23 Sep
British Airways Logo
16:55 - 00:25
LHR
-
SDF
12h 30m
1 stop
British Airways Logo
16:35 - 08:00
SDF
-
LHR
10h 25m
1 stop
£680British Airways
Thu, 7 May - Thu, 14 May

Finnair flights from London Heathrow Airport to Louisville

Our best Finnair deals on London Heathrow Airport to Louisville flight tickets
Finnair
20 Apr
LHR12:15London Heathrow
16h 33m
1 stop
SDF23:48Louisville Intl
27 Apr
SDF19:01Louisville Intl
12h 14m
1 stop
LHR12:15London Heathrow
£651
Finnair
1 May
LHR09:45London Heathrow
19h 03m
1 stop
SDF23:48Louisville Intl
8 May
SDF13:43Louisville Intl
19h 42m
1 stop
LHR14:25London Heathrow
£720
Finnair
1 May
LHR12:15London Heathrow
16h 33m
1 stop
SDF23:48Louisville Intl
8 May
SDF13:43Louisville Intl
13h 22m
1 stop
LHR08:05London Heathrow
£720

British Airways flights from London Heathrow Airport to Louisville

Our best British Airways deals on London Heathrow Airport to Louisville flight tickets
British Airways
5 May
LHR13:10London Heathrow
13h 20m
1 stop
SDF21:30Louisville Intl
12 May
SDF16:35Louisville Intl
10h 25m
1 stop
LHR08:00London Heathrow
£648
British Airways
20 Apr
LHR12:15London Heathrow
14h 15m
1 stop
SDF21:30Louisville Intl
27 Apr
SDF19:01Louisville Intl
10h 29m
1 stop
LHR10:30London Heathrow
£649
British Airways
16 Sept
LHR12:30London Heathrow
14h 09m
1 stop
SDF21:39Louisville Intl
23 Sept
SDF20:04Louisville Intl
11h 06m
1 stop
LHR12:10London Heathrow
£676

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 24 March 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

Tue 5/5

13:10-21:30

1 stop13h 20m

Louisville Intl

Tue 12/5

16:35-08:00

1 stop10h 25m

£648

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 20/4

12:15-21:30

1 stop14h 15m

Louisville Intl

Mon 27/4

19:01-10:30

1 stop10h 29m

£649

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 20/4

12:15-23:48

1 stop16h 33m

Louisville Intl

Mon 27/4

19:01-12:15

1 stop12h 14m

£651

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 20/4

07:25-20:16

2 stops17h 51m

Louisville Intl

Mon 27/4

14:20-10:40

2 stops15h 20m

£665

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 6/5

09:30-23:59

2 stops19h 29m

Louisville Intl

Wed 13/5

06:17-21:25

1 stop10h 08m

£666

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 5/5

10:50-22:30

2 stops16h 40m

Louisville Intl

Tue 12/5

16:17-09:20

1 stop12h 03m

£667

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 4/5

10:50-22:30

2 stops16h 40m

Louisville Intl

Mon 11/5

15:36-10:15

2 stops13h 39m

£670

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

11:45-23:59

2 stops17h 14m

Louisville Intl

Wed 23/9

12:53-10:20

2 stops16h 27m

£672

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

12:30-21:39

1 stop14h 09m

Louisville Intl

Wed 23/9

20:04-12:10

1 stop11h 06m

£676
Fastest return journey

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 7/5

16:55-00:25

1 stop12h 30m

Louisville Intl

Thu 14/5

16:35-08:00

1 stop10h 25m

£680

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Louisville from

How to get the cheapest flight ticket from London Heathrow Airport to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Louisville?

The month of September is, on average, the cheapest month to fly to Louisville from London Heathrow Airport, with most prices found around £544. If you aren’t able to travel to Louisville during the month of September, then flying in June is also cheap. Prices for this month can be found on momondo for an average of £585.

How far in advance should I book a flight to Louisville?

You are more likely to see cheaper flights to Louisville from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around £643 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from London Heathrow Airport for as low as £568 on momondo.

Can stopping save me money on London Heathrow Airport to Louisville flights?

You could potentially save up to 8% on your flight if you consider stops on a London Heathrow Airport to Louisville flight.

When to book flights from London Heathrow Airport to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Louisville (LHR to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Louisville

Fastest flight time

11h 39m

Direct flights

None
The fastest flight from London Heathrow Airport to Louisville takes 11h 39m
There are no direct flights from London Heathrow Airport to Louisville. There are no popular flight routes from London Heathrow Airport to Louisville.
Search flight deals

  • How far is London Heathrow to Louisville Intl by plane?

    The straight-line distance from London Heathrow to Louisville Intl is 4030.3 mi. Flights usually cover this in 11h 39m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Louisville Intl Airport?

    Prices for flights from London Heathrow Airport to Louisville Intl Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Louisville Intl Airport?

  • How old do you have to be to fly from London Heathrow Airport to Louisville Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from London Heathrow Airport to Louisville?

Best airlines flying from London Heathrow Airport to Louisville

Compare and see reviews for airlines that fly from London Heathrow Airport to Louisville with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £471Free CancellationRating
7.8
1,477 reviews
Search KLM flights
United AirlinesPriceFrom £482Free CancellationRating
7.4
9,467 reviews
Search United Airlines flights
LufthansaPriceFrom £485Free CancellationRating
6.8
7,863 reviews
Search Lufthansa flights
British AirwaysPriceFrom £496Free CancellationRating
6.7
7,812 reviews
Search British Airways flights
FinnairPriceFrom £512Free CancellationRating
7.7
1,374 reviews
Search Finnair flights
Virgin AtlanticPriceFrom £512Free CancellationRating
7.5
685 reviews
Search Virgin Atlantic flights

Travelling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Charlestown

Why use momondo?

Why should I use momondo to find a flight deal from London to Louisville?

It is quick and easy to find London to Louisville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Louisville that suits you.

Can I find flights from London to Louisville with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Louisville flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Louisville?

momondo provides multiple filters to help you find the best flight to Louisville from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Louisville right now. Can momondo alert me if prices change?

Price alerts on flights to Louisville from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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