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Cheap flights from London to Louisville from $458

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 6/15. 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 round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:25 am - 7:19 pm
LHR
-
SDF
16h 54m
2 stops
Lufthansa Logo
10:05 am - 6:55 am
SDF
-
LHR
15h 50m
1 stop
$900Lufthansa
Tue, Sep 1 - Thu, Sep 17
Lufthansa Logo
7:25 am - 7:19 pm
LHR
-
SDF
16h 54m
2 stops
Lufthansa Logo
10:05 am - 6:55 am
SDF
-
LHR
15h 50m
1 stop
$902Lufthansa
Tue, Sep 1 - Thu, Sep 17
Lufthansa Logo
6:55 am - 7:19 pm
LHR
-
SDF
17h 24m
2 stops
Lufthansa Logo
10:05 am - 6:55 am
SDF
-
LHR
15h 50m
1 stop
$903Lufthansa
Tue, Sep 1 - Thu, Sep 17
Lufthansa Logo
7:30 am - 8:02 pm
LHR
-
SDF
17h 32m
2 stops
Lufthansa Logo
7:43 pm - 11:55 am
SDF
-
LHR
11h 12m
1 stop
$904Lufthansa
Wed, Sep 16 - Wed, Sep 23
Finnair Logo
7:30 am - 10:58 pm
LHR
-
SDF
20h 28m
2 stops
Finnair Logo
7:07 pm - 7:40 am
SDF
-
LHR
31h 33m
1 stop
$920Finnair
Tue, Sep 22 - Sun, Sep 27
Scandinavian Airlines Logo
6:40 am - 9:19 pm
LHR
-
SDF
19h 39m
2 stops
Scandinavian Airlines Logo
4:40 pm - 4:00 pm
SDF
-
LHR
18h 20m
2 stops
$926Scandinavian Airlines
Fri, May 29 - Fri, Jun 12
Scandinavian Airlines Logo
6:40 am - 9:19 pm
LHR
-
SDF
19h 39m
2 stops
Scandinavian Airlines Logo
1:02 pm - 4:00 pm
SDF
-
LHR
21h 58m
2 stops
$927Scandinavian Airlines
Fri, May 29 - Fri, Jun 12
British Airways Logo
1:10 pm - 9:26 pm
LHR
-
SDF
13h 16m
1 stop
British Airways Logo
5:00 pm - 8:00 am
SDF
-
LHR
10h 00m
1 stop
$931British Airways
Tue, Sep 1 - Thu, Sep 17
Delta Logo
10:25 am - 9:19 pm
LGW
-
SDF
15h 54m
2 stops
Delta Logo
2:19 pm - 9:25 am
SDF
-
LGW
14h 06m
2 stops
$1,019Delta
Wed, Jun 17 - Wed, Jun 24
Delta Logo
10:25 am - 9:41 pm
LGW
-
SDF
16h 16m
2 stops
Delta Logo
1:00 pm - 9:00 am
SDF
-
LGW
15h 00m
2 stops
$1,201Delta
Fri, Oct 23 - Sun, Nov 1

Lufthansa flights from London to Louisville

Our best Lufthansa deals on London to Louisville flight tickets
Lufthansa
Sep 1
LHR7:25 amLondon Heathrow
16h 54m
2 stops
SDF7:19 pmLouisville Intl
Sep 17
SDF10:05 amLouisville Intl
15h 50m
1 stop
LHR6:55 amLondon Heathrow
$900
Lufthansa
Sep 1
LHR7:25 amLondon Heathrow
16h 54m
2 stops
SDF7:19 pmLouisville Intl
Sep 17
SDF10:05 amLouisville Intl
15h 50m
1 stop
LHR6:55 amLondon Heathrow
$902
Lufthansa
Sep 1
LHR6:55 amLondon Heathrow
17h 24m
2 stops
SDF7:19 pmLouisville Intl
Sep 17
SDF10:05 amLouisville Intl
15h 50m
1 stop
LHR6:55 amLondon Heathrow
$903

Finnair flights from London to Louisville

Our best Finnair deals on London to Louisville flight tickets
Finnair
Sep 22
LHR7:30 amLondon Heathrow
20h 28m
2 stops
SDF10:58 pmLouisville Intl
Sep 27
SDF7:07 pmLouisville Intl
31h 33m
1 stop
LHR7:40 amLondon Heathrow
$920
Finnair
Sep 22
LHR9:45 amLondon Heathrow
18h 13m
1 stop
SDF10:58 pmLouisville Intl
Sep 27
SDF7:07 pmLouisville Intl
31h 33m
1 stop
LHR7:40 amLondon Heathrow
$939
Finnair
Jun 17
LHR12:55 pmLondon Heathrow
15h 24m
1 stop
SDF11:19 pmLouisville Intl
Jun 24
SDF1:21 pmLouisville Intl
14h 39m
1 stop
LHR9:00 amLondon Heathrow
$952

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 May 3, 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

Tue 9/1

7:25 am-7:19 pm

2 stops16h 54m

Louisville Intl

Thu 9/17

10:05 am-6:55 am

1 stop15h 50m

$900

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 9/1

7:25 am-7:19 pm

2 stops16h 54m

Louisville Intl

Thu 9/17

10:05 am-6:55 am

1 stop15h 50m

$902

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 9/1

6:55 am-7:19 pm

2 stops17h 24m

Louisville Intl

Thu 9/17

10:05 am-6:55 am

1 stop15h 50m

$903

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 9/16

7:30 am-8:02 pm

2 stops17h 32m

Louisville Intl

Wed 9/23

7:43 pm-11:55 am

1 stop11h 12m

$904

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 9/22

7:30 am-10:58 pm

2 stops20h 28m

Louisville Intl

Sun 9/27

7:07 pm-7:40 am

1 stop31h 33m

$920

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 5/29

6:40 am-9:19 pm

2 stops19h 39m

Louisville Intl

Fri 6/12

4:40 pm-4:00 pm

2 stops18h 20m

$926

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 5/29

6:40 am-9:19 pm

2 stops19h 39m

Louisville Intl

Fri 6/12

1:02 pm-4:00 pm

2 stops21h 58m

$927
Quickest round-trip

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 9/1

1:10 pm-9:26 pm

1 stop13h 16m

Louisville Intl

Thu 9/17

5:00 pm-8:00 am

1 stop10h 00m

$931

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Wed 6/17

10:25 am-9:19 pm

2 stops15h 54m

Louisville Intl

Wed 6/24

2:19 pm-9:25 am

2 stops14h 06m

$1,019

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Fri 10/23

10:25 am-9:41 pm

2 stops16h 16m

Louisville Intl

Sun 11/1

1:00 pm-9:00 am

2 stops15h 00m

$1,201

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 $929 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 $766 on momondo.

Can stopping save me money on London to Louisville flights?

You could potentially save up to 30% 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

15h 28m

Direct flights

None
The fastest flight from London to Louisville takes 15h 28m
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 15h 28m.

  • 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
West Baden Springs
Jeffersonville
Bardstown
New Albany
Shepherdsville
Brandenburg
Corydon
Elizabeth
Charlestown
Springfield
Georgetown

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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