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Cheap flights from London to Louisville from $547

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 8/24. 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

Find the cheapest flights from London to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
8:30 am - 11:08 pm
LHR
-
SDF
19h 38m
2 stops
Lufthansa Logo
1:07 pm - 10:25 am
SDF
-
LHR
16h 18m
1 stop
$849Lufthansa
Wed, Sep 16 - Wed, Sep 23
Lufthansa Logo
8:30 am - 11:08 pm
LHR
-
SDF
19h 38m
2 stops
Lufthansa Logo
1:07 pm - 12:40 pm
SDF
-
LHR
18h 33m
2 stops
$854Lufthansa
Wed, Sep 16 - Wed, Sep 23
United Airlines Logo
9:00 am - 8:41 pm
LHR
-
SDF
16h 41m
2 stops
United Airlines Logo
1:42 pm - 6:20 am
SDF
-
LHR
11h 38m
1 stop
$855United Airlines
Tue, Nov 17 - Sat, Nov 21
United Airlines Logo
6:50 am - 5:40 pm
LHR
-
SDF
15h 50m
2 stops
United Airlines Logo
10:25 am - 9:00 am
SDF
-
LHR
17h 35m
1 stop
$860United Airlines
Wed, Sep 30 - Sun, Oct 4
United Airlines Logo
6:50 am - 7:11 pm
LHR
-
SDF
17h 21m
2 stops
United Airlines Logo
6:15 am - 9:20 pm
SDF
-
LHR
10h 05m
1 stop
$862United Airlines
Wed, Sep 30 - Sun, Oct 4
British Airways Logo
11:45 am - 9:46 pm
LHR
-
SDF
15h 01m
1 stop
British Airways Logo
5:00 pm - 9:15 am
SDF
-
LHR
11h 15m
1 stop
$867British Airways
Wed, Nov 11 - Mon, Nov 16
Lufthansa Logo
8:30 am - 11:08 pm
LHR
-
SDF
19h 38m
2 stops
Lufthansa Logo
1:07 pm - 5:55 am
SDF
-
LHR
11h 48m
1 stop
$868Lufthansa
Wed, Sep 16 - Wed, Sep 23
Iberia Logo
7:40 pm - 9:29 pm
LGW
-
SDF
30h 49m
2 stops
Iberia Logo
12:43 pm - 7:00 pm
SDF
-
LGW
25h 17m
2 stops
$961Iberia
Wed, Nov 11 - Mon, Nov 16
Iberia Logo
7:50 am - 9:29 pm
LCY
-
SDF
18h 39m
2 stops
Iberia Logo
12:43 pm - 2:35 pm
SDF
-
LCY
20h 52m
2 stops
$973Iberia
Wed, Nov 11 - Mon, Nov 16
Air France Logo
10:25 am - 9:18 pm
LGW
-
SDF
15h 53m
2 stops
Air France Logo
1:02 pm - 9:25 am
SDF
-
LGW
15h 23m
2 stops
$1,228Air France
Thu, Jul 16 - Thu, Jul 23

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Air Canada flights from London to Louisville

Our best Air Canada deals on London to Louisville flight tickets
Air Canada
Sep 1
LHR2:05 pmLondon Heathrow
27h 17m
2 stops
SDF12:22 pmLouisville Intl
Sep 17
SDF7:10 amLouisville Intl
18h 25m
2 stops
LHR6:35 amLondon Heathrow
$899
Air Canada
Nov 17
LHR9:00 amLondon Heathrow
40h 33m
2 stops
SDF8:33 pmLouisville Intl
Nov 21
SDF10:25 amLouisville Intl
15h 45m
2 stops
LHR7:10 amLondon Heathrow
$912
Air Canada
Sep 1
LHR9:30 amLondon Heathrow
31h 52m
2 stops
SDF12:22 pmLouisville Intl
Sep 17
SDF7:10 amLouisville Intl
21h 50m
2 stops
LHR10:00 amLondon Heathrow
$915

United Airlines flights from London to Louisville

Our best United Airlines deals on London to Louisville flight tickets
United Airlines
Nov 17
LHR9:00 amLondon Heathrow
16h 41m
2 stops
SDF8:41 pmLouisville Intl
Nov 21
SDF1:42 pmLouisville Intl
11h 38m
1 stop
LHR6:20 amLondon Heathrow
$855
United Airlines
Sep 30
LHR6:50 amLondon Heathrow
15h 50m
2 stops
SDF5:40 pmLouisville Intl
Oct 4
SDF10:25 amLouisville Intl
17h 35m
1 stop
LHR9:00 amLondon Heathrow
$860
United Airlines
Sep 30
LHR6:50 amLondon Heathrow
17h 21m
2 stops
SDF7:11 pmLouisville Intl
Oct 4
SDF6:15 amLouisville Intl
10h 05m
1 stop
LHR9:20 pmLondon Heathrow
$862

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated June 20, 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 round-trip

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 9/16

8:30 am-11:08 pm

2 stops19h 38m

Louisville Intl

Wed 9/23

1:07 pm-10:25 am

1 stop16h 18m

$849

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 9/16

8:30 am-11:08 pm

2 stops19h 38m

Louisville Intl

Wed 9/23

1:07 pm-12:40 pm

2 stops18h 33m

$854

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 11/17

9:00 am-8:41 pm

2 stops16h 41m

Louisville Intl

Sat 11/21

1:42 pm-6:20 am

1 stop11h 38m

$855

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 9/30

6:50 am-5:40 pm

2 stops15h 50m

Louisville Intl

Sun 10/4

10:25 am-9:00 am

1 stop17h 35m

$860

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 9/30

6:50 am-7:11 pm

2 stops17h 21m

Louisville Intl

Sun 10/4

6:15 am-9:20 pm

1 stop10h 05m

$862
Quickest round-trip

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 11/11

11:45 am-9:46 pm

1 stop15h 01m

Louisville Intl

Mon 11/16

5:00 pm-9:15 am

1 stop11h 15m

$867

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 9/16

8:30 am-11:08 pm

2 stops19h 38m

Louisville Intl

Wed 9/23

1:07 pm-5:55 am

1 stop11h 48m

$868

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Wed 11/11

7:40 pm-9:29 pm

2 stops30h 49m

Louisville Intl

Mon 11/16

12:43 pm-7:00 pm

2 stops25h 17m

$961

LondonLouisville

LCY - SDF

LCYSDF

London City

Wed 11/11

7:50 am-9:29 pm

2 stops18h 39m

Louisville Intl

Mon 11/16

12:43 pm-2:35 pm

2 stops20h 52m

$973

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Thu 7/16

10:25 am-9:18 pm

2 stops15h 53m

Louisville Intl

Thu 7/23

1:02 pm-9:25 am

2 stops15h 23m

$1,228

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

If you are unable to visit Louisville during the month of June, then departing from London during the month October is also very affordable. Most momondo users find prices during this month for around $457.

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 $957 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from London for as low as $846 on momondo.

Can stopping save me money on London to Louisville flights?

You could potentially save up to 18% 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 round-trip 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?

    A flight from London to Louisville Intl will travel around 4042.6 mi. In terms of flight time, this usually takes a little over 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 refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Jeffersonville
West Baden Springs
Bardstown
Shepherdsville
New Albany
Elizabeth
Charlestown
Corydon
Brandenburg
Georgetown
Springfield

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Louisville for you.

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

Yes. momondo enables you to select and highlight flights to Louisville from London with this policy.

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

momondo helps you find the best flight between London and Louisville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Louisville from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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