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Cheap flights from London to Louisville from £339

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 to Louisville departing on 15/6. 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
0 bags

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Find the cheapest flights from London to Louisville

Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
07:25 - 19:19
LHR
-
SDF
16h 54m
2 stops
Lufthansa Logo
10:05 - 06:55
SDF
-
LHR
15h 50m
1 stop
£667Lufthansa
Tue, 1 Sep - Thu, 17 Sep
Lufthansa Logo
07:25 - 19:19
LHR
-
SDF
16h 54m
2 stops
Lufthansa Logo
10:05 - 06:55
SDF
-
LHR
15h 50m
1 stop
£668Lufthansa
Tue, 1 Sep - Thu, 17 Sep
Lufthansa Logo
06:55 - 19:19
LHR
-
SDF
17h 24m
2 stops
Lufthansa Logo
10:05 - 06:55
SDF
-
LHR
15h 50m
1 stop
£669Lufthansa
Tue, 1 Sep - Thu, 17 Sep
British Airways Logo
15:00 - 23:17
LHR
-
SDF
13h 17m
1 stop
British Airways Logo
15:54 - 09:25
SDF
-
LHR
12h 31m
1 stop
£672British Airways
Wed, 2 Sep - Wed, 23 Sep
Finnair Logo
18:10 - 22:58
LHR
-
SDF
33h 48m
2 stops
Finnair Logo
13:18 - 09:05
SDF
-
LHR
14h 47m
1 stop
£684Finnair
Mon, 14 Sep - Wed, 23 Sep
United Airlines Logo
08:45 - 20:36
LHR
-
SDF
16h 51m
2 stops
United Airlines Logo
10:15 - 05:55
SDF
-
LHR
14h 40m
2 stops
£685United Airlines
Tue, 1 Sep - Tue, 8 Sep
Scandinavian Airlines Logo
06:40 - 21:19
LHR
-
SDF
19h 39m
2 stops
Scandinavian Airlines Logo
16:40 - 16:00
SDF
-
LHR
18h 20m
2 stops
£686Scandinavian Airlines
Fri, 29 May - Fri, 12 Jun
United Airlines Logo
06:55 - 19:19
LHR
-
SDF
17h 24m
2 stops
United Airlines Logo
10:05 - 05:55
SDF
-
LHR
14h 50m
2 stops
£688United Airlines
Mon, 14 Sep - Wed, 23 Sep
British Airways Logo
09:15 - 16:10
LHR
-
SDF
11h 55m
1 stop
British Airways Logo
20:04 - 12:10
SDF
-
LHR
11h 06m
1 stop
£688British Airways
Wed, 16 Sep - Wed, 23 Sep
Air France Logo
10:25 - 23:52
LGW
-
SDF
18h 27m
2 stops
Air France Logo
16:28 - 16:00
SDF
-
LGW
18h 32m
2 stops
£751Air France
Mon, 25 May - Mon, 1 Jun

Lufthansa flights from London to Louisville

Our best Lufthansa deals on London to Louisville flight tickets
Lufthansa
1 Sept
LHR07:25London Heathrow
16h 54m
2 stops
SDF19:19Louisville Intl
17 Sept
SDF10:05Louisville Intl
15h 50m
1 stop
LHR06:55London Heathrow
£667
Lufthansa
1 Sept
LHR07:25London Heathrow
16h 54m
2 stops
SDF19:19Louisville Intl
17 Sept
SDF10:05Louisville Intl
15h 50m
1 stop
LHR06:55London Heathrow
£668
Lufthansa
1 Sept
LHR06:55London Heathrow
17h 24m
2 stops
SDF19:19Louisville Intl
17 Sept
SDF10:05Louisville Intl
15h 50m
1 stop
LHR06:55London Heathrow
£669

United Airlines flights from London to Louisville

Our best United Airlines deals on London to Louisville flight tickets
United Airlines
1 Sept
LHR08:45London Heathrow
16h 51m
2 stops
SDF20:36Louisville Intl
8 Sept
SDF10:15Louisville Intl
14h 40m
2 stops
LHR05:55London Heathrow
£685
United Airlines
14 Sept
LHR06:55London Heathrow
17h 24m
2 stops
SDF19:19Louisville Intl
23 Sept
SDF10:05Louisville Intl
14h 50m
2 stops
LHR05:55London Heathrow
£688
United Airlines
1 Sept
LHR14:05London Heathrow
27h 16m
2 stops
SDF12:21Louisville Intl
17 Sept
SDF09:00Louisville Intl
20h 00m
2 stops
LHR10:00London Heathrow
£704

momondo Fare Finder

 
Customise your flight search to find flights from London 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 30 April 2026.
Use the filters below to find and compare flights from London 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 1/9

07:25-19:19

2 stops16h 54m

Louisville Intl

Thu 17/9

10:05-06:55

1 stop15h 50m

£667

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 1/9

07:25-19:19

2 stops16h 54m

Louisville Intl

Thu 17/9

10:05-06:55

1 stop15h 50m

£668

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 1/9

06:55-19:19

2 stops17h 24m

Louisville Intl

Thu 17/9

10:05-06:55

1 stop15h 50m

£669

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 2/9

15:00-23:17

1 stop13h 17m

Louisville Intl

Wed 23/9

15:54-09:25

1 stop12h 31m

£672

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 14/9

18:10-22:58

2 stops33h 48m

Louisville Intl

Wed 23/9

13:18-09:05

1 stop14h 47m

£684

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 1/9

08:45-20:36

2 stops16h 51m

Louisville Intl

Tue 8/9

10:15-05:55

2 stops14h 40m

£685

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 29/5

06:40-21:19

2 stops19h 39m

Louisville Intl

Fri 12/6

16:40-16:00

2 stops18h 20m

£686

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 14/9

06:55-19:19

2 stops17h 24m

Louisville Intl

Wed 23/9

10:05-05:55

2 stops14h 50m

£688
Fastest return journey

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

09:15-16:10

1 stop11h 55m

Louisville Intl

Wed 23/9

20:04-12:10

1 stop11h 06m

£688

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Mon 25/5

10:25-23:52

2 stops18h 27m

Louisville Intl

Mon 1/6

16:28-16:00

2 stops18h 32m

£751

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 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 and Louisville?

What is the cheapest month to fly to Louisville?

The month of June is, on average, the cheapest month to fly to Louisville from London, with most prices found around £190. If you aren’t able to travel to Louisville during the month of June, then flying in October is also cheap. Prices for this month can be found on momondo for an average of £339.

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

You are more likely to see cheaper flights to Louisville from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around £684 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 for as low as £567 on momondo.

Can stopping save me money on London to Louisville flights?

You could potentially save up to 33% on your flight if you consider stops on a London to Louisville flight.

How have London to Louisville flight prices changed over time?

When to book flights from London to Louisville

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

Cheap London to Louisville (LON to SDF) flight deals and tips

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

Fastest flight time

12h 23m

Direct flights

None
The fastest flight from London to Louisville takes 12h 23m
There are no direct flights from London to Louisville. There are no popular flight routes from London to Louisville.
Search flight deals

Frequently asked questions about flying from London to Louisville

  • How far is London to Louisville Intl by plane?

    The straight-line distance from London to Louisville Intl is 4042.6 mi. By plane, this route typically takes 12h 23m.

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

    Prices for flights from London to Louisville Intl Airport are updated daily.

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

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

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

    The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from London to Louisville

Compare and see reviews for airlines that fly from London to Louisville with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom £478Free CancellationRating
7.4
9,677 reviews
Search United Airlines flights
LufthansaPriceFrom £480Free CancellationRating
6.8
7,962 reviews
Search Lufthansa flights
British AirwaysPriceFrom £491Free CancellationRating
6.7
7,937 reviews
Search British Airways flights
FinnairPriceFrom £492Free CancellationRating
7.6
1,392 reviews
Search Finnair flights
Virgin AtlanticPriceFrom £507Free CancellationRating
7.4
688 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from London.

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

Yes. All flights to Louisville from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential London to Louisville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of London to Louisville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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