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Cheap flights from London to Louisville from $543

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 9/10. 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.
United Airlines Logo
11:05 am - 8:17 pm
LHR
-
SDF
14h 12m
1 stop
United Airlines Logo
2:30 pm - 10:40 am
SDF
-
LHR
15h 10m
1 stop
$830United Airlines
Thu, Apr 30 - Sun, May 3
British Airways Logo
12:15 pm - 9:30 pm
LHR
-
SDF
14h 15m
1 stop
British Airways Logo
4:35 pm - 8:00 am
SDF
-
LHR
10h 25m
1 stop
$838British Airways
Tue, Apr 14 - Tue, Apr 21
Lufthansa Logo
6:30 am - 8:16 pm
LHR
-
SDF
18h 46m
2 stops
Lufthansa Logo
1:55 pm - 6:45 am
SDF
-
LHR
11h 50m
1 stop
$857Lufthansa
Mon, Apr 13 - Mon, Apr 20
Lufthansa Logo
6:30 am - 8:16 pm
LHR
-
SDF
18h 46m
2 stops
Lufthansa Logo
5:48 pm - 4:40 pm
SDF
-
LHR
17h 52m
2 stops
$862Lufthansa
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
2:00 pm - 11:14 am
LGW
-
SDF
26h 14m
1 stop
Multiple Airlines Logo
7:48 pm - 10:00 am
SDF
-
LGW
33h 12m
2 stops
$865Multiple Airlines
Tue, Apr 7 - Fri, Apr 24
KLM Logo
10:00 am - 11:59 pm
LCY
-
SDF
18h 59m
2 stops
KLM Logo
7:54 pm - 4:40 pm
SDF
-
LCY
15h 46m
2 stops
$936KLM
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
3:35 pm - 10:16 pm
LGW
-
SDF
35h 41m
3 stops
Multiple Airlines Logo
6:46 am - 2:40 pm
SDF
-
LGW
26h 54m
3 stops
$1,395Multiple Airlines
Wed, Jun 10 - Mon, Jun 22
Aer Lingus Logo
6:45 am - 6:46 pm
LCY
-
SDF
17h 01m
2 stops
Aer Lingus Logo
9:59 am - 12:45 pm
SDF
-
LCY
21h 46m
2 stops
$1,427Aer Lingus
Mon, Aug 3 - Mon, Aug 17
Aer Lingus Logo
1:45 pm - 11:20 pm
LCY
-
SDF
14h 35m
2 stops
Aer Lingus Logo
3:49 pm - 12:45 pm
SDF
-
LCY
15h 56m
2 stops
$1,679Aer Lingus
Tue, Mar 31 - Sat, Apr 4
KLM Logo
10:00 am - 9:15 pm
LCY
-
SDF
16h 15m
2 stops
KLM Logo
12:34 pm - 8:50 am
SDF
-
LCY
15h 16m
2 stops
$6,198KLM
Wed, Apr 1 - Sun, Apr 12

British Airways flights from London to Louisville

Our best British Airways deals on London to Louisville flight tickets
British Airways
Apr 14
LHR12:15 pmLondon Heathrow
14h 15m
1 stop
SDF9:30 pmLouisville Intl
Apr 21
SDF4:35 pmLouisville Intl
10h 25m
1 stop
LHR8:00 amLondon Heathrow
$838
British Airways
Apr 13
LHR2:45 pmLondon Heathrow
14h 03m
1 stop
SDF11:48 pmLouisville Intl
Apr 20
SDF7:01 pmLouisville Intl
10h 29m
1 stop
LHR10:30 amLondon Heathrow
$866
British Airways
Apr 20
LHR4:55 pmLondon Heathrow
12h 30m
1 stop
SDF12:25 amLouisville Intl
Apr 27
SDF4:35 pmLouisville Intl
10h 25m
1 stop
LHR8:00 amLondon Heathrow
$879

Finnair flights from London to Louisville

Our best Finnair deals on London to Louisville flight tickets
Finnair
Mar 31
LHR6:10 pmLondon Heathrow
34h 10m
2 stops
SDF11:20 pmLouisville Intl
Apr 21
SDF1:43 pmLouisville Intl
19h 42m
1 stop
LHR2:25 pmLondon Heathrow
$945
Finnair
Apr 7
LHR10:05 amLondon Heathrow
16h 36m
1 stop
SDF9:41 pmLouisville Intl
Apr 24
SDF1:43 pmLouisville Intl
19h 42m
1 stop
LHR2:25 pmLondon Heathrow
$1,011

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 March 17, 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

Thu 4/30

11:05 am-8:17 pm

1 stop14h 12m

Louisville Intl

Sun 5/3

2:30 pm-10:40 am

1 stop15h 10m

$830
Quickest round-trip

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 4/14

12:15 pm-9:30 pm

1 stop14h 15m

Louisville Intl

Tue 4/21

4:35 pm-8:00 am

1 stop10h 25m

$838

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 4/13

6:30 am-8:16 pm

2 stops18h 46m

Louisville Intl

Mon 4/20

1:55 pm-6:45 am

1 stop11h 50m

$857

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 4/13

6:30 am-8:16 pm

2 stops18h 46m

Louisville Intl

Mon 4/20

5:48 pm-4:40 pm

2 stops17h 52m

$862

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Tue 4/7

2:00 pm-11:14 am

1 stop26h 14m

Louisville Intl

Fri 4/24

7:48 pm-10:00 am

2 stops33h 12m

$865

LondonLouisville

LCY - SDF

LCYSDF

London City

Mon 4/13

10:00 am-11:59 pm

2 stops18h 59m

Louisville Intl

Mon 4/20

7:54 pm-4:40 pm

2 stops15h 46m

$936

LondonLouisville

LGW - SDF

LGWSDF

London Gatwick

Wed 6/10

3:35 pm-10:16 pm

3 stops35h 41m

Louisville Intl

Mon 6/22

6:46 am-2:40 pm

3 stops26h 54m

$1,395

LondonLouisville

LCY - SDF

LCYSDF

London City

Mon 8/3

6:45 am-6:46 pm

2 stops17h 01m

Louisville Intl

Mon 8/17

9:59 am-12:45 pm

2 stops21h 46m

$1,427

LondonLouisville

LCY - SDF

LCYSDF

London City

Tue 3/31

1:45 pm-11:20 pm

2 stops14h 35m

Louisville Intl

Sat 4/4

3:49 pm-12:45 pm

2 stops15h 56m

$1,679

LondonLouisville

LCY - SDF

LCYSDF

London City

Wed 4/1

10:00 am-9:15 pm

2 stops16h 15m

Louisville Intl

Sun 4/12

12:34 pm-8:50 am

2 stops15h 16m

$6,198

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 September, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around $706.

How far in advance should I book a flight 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 $860 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 $759 on momondo.

Can stopping save me money on London to Louisville flights?

You could potentially save up to 9% on your flight if you consider stops on a London to Louisville flight.

How have London to Louisville flight prices changed over time?

As of March 2026, prices for London to Louisville flights are approximately 17% more expensive when compared to flights at the same time last year.

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

14h 12m

Direct flights

None
The fastest flight from London to Louisville takes 14h 12m
There are no direct flights from London to Louisville. There are no popular flight routes from London to Louisville.
Search flight deals

  • 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 14h 12m.

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