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Cheap flights from London Heathrow Airport to Louisville from £427

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 10/9. 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.
Lufthansa Logo
08:30 - 23:08
LHR
-
SDF
19h 38m
2 stops
Lufthansa Logo
13:07 - 07:15
SDF
-
LHR
13h 08m
1 stop
£638Lufthansa
Wed, 16 Sep - Wed, 23 Sep
Lufthansa Logo
07:30 - 19:05
LHR
-
SDF
16h 35m
2 stops
Lufthansa Logo
13:07 - 12:40
SDF
-
LHR
18h 33m
2 stops
£642Lufthansa
Wed, 16 Sep - Wed, 23 Sep
Lufthansa Logo
07:30 - 19:05
LHR
-
SDF
16h 35m
2 stops
Lufthansa Logo
13:07 - 12:40
SDF
-
LHR
18h 33m
2 stops
£643Lufthansa
Wed, 16 Sep - Wed, 23 Sep
Lufthansa Logo
08:30 - 23:08
LHR
-
SDF
19h 38m
2 stops
Lufthansa Logo
13:07 - 10:25
SDF
-
LHR
16h 18m
1 stop
£644Lufthansa
Wed, 16 Sep - Wed, 23 Sep
Lufthansa Logo
08:30 - 23:08
LHR
-
SDF
19h 38m
2 stops
Lufthansa Logo
13:07 - 12:40
SDF
-
LHR
18h 33m
2 stops
£648Lufthansa
Wed, 16 Sep - Wed, 23 Sep
United Airlines Logo
09:00 - 20:41
LHR
-
SDF
16h 41m
2 stops
United Airlines Logo
13:42 - 06:20
SDF
-
LHR
11h 38m
1 stop
£649United Airlines
Tue, 17 Nov - Sat, 21 Nov
United Airlines Logo
06:50 - 17:40
LHR
-
SDF
15h 50m
2 stops
United Airlines Logo
10:25 - 09:00
SDF
-
LHR
17h 35m
1 stop
£653United Airlines
Wed, 30 Sep - Sun, 4 Oct
United Airlines Logo
06:50 - 17:40
LHR
-
SDF
15h 50m
2 stops
United Airlines Logo
10:25 - 09:00
SDF
-
LHR
17h 35m
1 stop
£653United Airlines
Wed, 30 Sep - Sun, 4 Oct
United Airlines Logo
06:50 - 20:31
LHR
-
SDF
18h 41m
2 stops
United Airlines Logo
13:25 - 21:35
SDF
-
LHR
27h 10m
1 stop
£654United Airlines
Wed, 30 Sep - Sun, 4 Oct
Lufthansa Logo
08:00 - 17:39
LHR
-
SDF
14h 39m
1 stop
Lufthansa Logo
13:07 - 10:25
SDF
-
LHR
16h 18m
1 stop
£660Lufthansa
Wed, 16 Sep - Wed, 23 Sep

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Iberia flights from London Heathrow Airport to Louisville

Our best Iberia deals on London Heathrow Airport to Louisville flight tickets
Iberia
1 Oct
LHR07:50London Heathrow
20h 13m
2 stops
SDF23:03Louisville Intl
18 Oct
SDF18:13Louisville Intl
31h 42m
1 stop
LHR06:55London Heathrow
£719
Iberia
1 Oct
LHR06:15London Heathrow
21h 18m
2 stops
SDF22:33Louisville Intl
18 Oct
SDF19:14Louisville Intl
35h 46m
2 stops
LHR12:00London Heathrow
£733

United Airlines flights from London Heathrow Airport to Louisville

Our best United Airlines deals on London Heathrow Airport to Louisville flight tickets
United Airlines
30 Sept
LHR06:50London Heathrow
15h 50m
2 stops
SDF17:40Louisville Intl
4 Oct
SDF10:25Louisville Intl
17h 35m
1 stop
LHR09:00London Heathrow
£653
United Airlines
30 Sept
LHR06:50London Heathrow
15h 50m
2 stops
SDF17:40Louisville Intl
4 Oct
SDF10:25Louisville Intl
17h 35m
1 stop
LHR09:00London Heathrow
£653
United Airlines
30 Sept
LHR06:50London Heathrow
18h 41m
2 stops
SDF20:31Louisville Intl
4 Oct
SDF13:25Louisville Intl
27h 10m
1 stop
LHR21:35London Heathrow
£654

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 June 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

Wed 16/9

08:30-23:08

2 stops19h 38m

Louisville Intl

Wed 23/9

13:07-07:15

1 stop13h 08m

£638

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

07:30-19:05

2 stops16h 35m

Louisville Intl

Wed 23/9

13:07-12:40

2 stops18h 33m

£642

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

07:30-19:05

2 stops16h 35m

Louisville Intl

Wed 23/9

13:07-12:40

2 stops18h 33m

£643

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

08:30-23:08

2 stops19h 38m

Louisville Intl

Wed 23/9

13:07-10:25

1 stop16h 18m

£644

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

08:30-23:08

2 stops19h 38m

Louisville Intl

Wed 23/9

13:07-12:40

2 stops18h 33m

£648
Fastest return journey

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 17/11

09:00-20:41

2 stops16h 41m

Louisville Intl

Sat 21/11

13:42-06:20

1 stop11h 38m

£649

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 30/9

06:50-17:40

2 stops15h 50m

Louisville Intl

Sun 4/10

10:25-09:00

1 stop17h 35m

£653

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 30/9

06:50-17:40

2 stops15h 50m

Louisville Intl

Sun 4/10

10:25-09:00

1 stop17h 35m

£653

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 30/9

06:50-20:31

2 stops18h 41m

Louisville Intl

Sun 4/10

13:25-21:35

1 stop27h 10m

£654

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

08:00-17:39

1 stop14h 39m

Louisville Intl

Wed 23/9

13:07-10:25

1 stop16h 18m

£660

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 typical price of a round-trip flight between London Heathrow Airport and Louisville?

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 £532. If you aren’t able to travel to Louisville during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of £532.

How far in advance should I book a flight from London Heathrow Airport 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 £728 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 £404 on momondo.

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

You could potentially save up to 37% 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

12h 09m

Direct flights

None
The fastest flight from London Heathrow Airport to Louisville takes 12h 09m
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

Frequently asked questions about flying from London Heathrow Airport to Louisville

  • 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 12h 09m, 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
LufthansaPriceFrom £470Free CancellationRating
6.8
8,092 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £485Free CancellationRating
7.5
690 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £489Free CancellationRating
7.4
9,882 reviews
Search United Airlines flights
British AirwaysPriceFrom £532Free CancellationRating
6.7
8,068 reviews
Search British Airways flights
American AirlinesPriceFrom £606Free CancellationRating
7.1
11,751 reviews
Search American Airlines flights
KLMPriceFrom £630Free CancellationRating
7.8
1,530 reviews
Search KLM 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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