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Cheap flights from London Heathrow Airport to Louisville from $548

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 5/3. 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 round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
12:00 pm - 7:02 pm
LHR
-
SDF
12h 02m
1 stop
British Airways Logo
7:52 pm - 12:50 pm
SDF
-
LHR
11h 58m
1 stop
$839British Airways
Wed, Apr 15 - Wed, Apr 22
British Airways Logo
2:45 pm - 11:48 pm
LHR
-
SDF
14h 03m
1 stop
British Airways Logo
4:35 pm - 8:00 am
SDF
-
LHR
10h 25m
1 stop
$863British Airways
Mon, May 4 - Mon, May 11
British Airways Logo
1:10 pm - 9:30 pm
LHR
-
SDF
13h 20m
1 stop
British Airways Logo
4:35 pm - 8:00 am
SDF
-
LHR
10h 25m
1 stop
$866British Airways
Tue, May 5 - Tue, May 12
Finnair Logo
10:20 am - 11:48 pm
LHR
-
SDF
18h 28m
2 stops
Finnair Logo
7:01 pm - 8:40 pm
SDF
-
LHR
20h 39m
2 stops
$887Finnair
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
7:25 am - 8:16 pm
LHR
-
SDF
17h 51m
2 stops
United Airlines Logo
2:20 pm - 5:55 am
SDF
-
LHR
10h 35m
1 stop
$889United Airlines
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
7:25 am - 6:35 pm
LHR
-
SDF
16h 10m
2 stops
United Airlines Logo
2:00 pm - 9:20 am
SDF
-
LHR
14h 20m
2 stops
$892United Airlines
Tue, May 5 - Tue, May 12
United Airlines Logo
10:50 am - 10:30 pm
LHR
-
SDF
16h 40m
2 stops
United Airlines Logo
3:36 pm - 10:15 am
SDF
-
LHR
13h 39m
2 stops
$896United Airlines
Mon, May 4 - Mon, May 11
British Airways Logo
2:45 pm - 11:48 pm
LHR
-
SDF
14h 03m
1 stop
British Airways Logo
7:52 pm - 12:10 pm
SDF
-
LHR
11h 18m
1 stop
$919British Airways
Sat, May 2 - Sat, May 9
Virgin Atlantic Logo
11:15 am - 10:50 pm
LHR
-
SDF
16h 35m
1 stop
Virgin Atlantic Logo
4:28 pm - 1:05 pm
SDF
-
LHR
15h 37m
1 stop
$924Virgin Atlantic
Fri, May 1 - Fri, May 8
United Airlines Logo
10:50 am - 10:30 pm
LHR
-
SDF
16h 40m
2 stops
United Airlines Logo
2:30 pm - 6:55 am
SDF
-
LHR
11h 25m
1 stop
$929United Airlines
Thu, Apr 16 - Thu, Apr 23

British Airways flights from London Heathrow Airport to Louisville

Our best British Airways deals on London Heathrow Airport to Louisville flight tickets
British Airways
Apr 15
LHR12:00 pmLondon Heathrow
12h 02m
1 stop
SDF7:02 pmLouisville Intl
Apr 22
SDF7:52 pmLouisville Intl
11h 58m
1 stop
LHR12:50 pmLondon Heathrow
$839
British Airways
May 5
LHR1:10 pmLondon Heathrow
13h 20m
1 stop
SDF9:30 pmLouisville Intl
May 12
SDF4:35 pmLouisville Intl
10h 25m
1 stop
LHR8:00 amLondon Heathrow
$866
British Airways
Sep 16
LHR9:15 amLondon Heathrow
11h 55m
1 stop
SDF4:10 pmLouisville Intl
Sep 23
SDF8:04 pmLouisville Intl
11h 06m
1 stop
LHR12:10 pmLondon Heathrow
$877

Finnair flights from London Heathrow Airport to Louisville

Our best Finnair deals on London Heathrow Airport to Louisville flight tickets
Finnair
Apr 15
LHR10:20 amLondon Heathrow
18h 28m
2 stops
SDF11:48 pmLouisville Intl
Apr 22
SDF7:01 pmLouisville Intl
20h 39m
2 stops
LHR8:40 pmLondon Heathrow
$887
Finnair
May 2
LHR4:10 pmLondon Heathrow
36h 38m
2 stops
SDF11:48 pmLouisville Intl
May 9
SDF7:01 pmLouisville Intl
34h 29m
2 stops
LHR10:30 amLondon Heathrow
$933
Finnair
May 2
LHR3:15 pmLondon Heathrow
13h 33m
1 stop
SDF11:48 pmLouisville Intl
May 9
SDF7:01 pmLouisville Intl
34h 29m
2 stops
LHR10:30 amLondon Heathrow
$948

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 22, 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 round-trip

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 4/15

12:00 pm-7:02 pm

1 stop12h 02m

Louisville Intl

Wed 4/22

7:52 pm-12:50 pm

1 stop11h 58m

$839

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 5/4

2:45 pm-11:48 pm

1 stop14h 03m

Louisville Intl

Mon 5/11

4:35 pm-8:00 am

1 stop10h 25m

$863
Quickest round-trip

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 5/5

1:10 pm-9:30 pm

1 stop13h 20m

Louisville Intl

Tue 5/12

4:35 pm-8:00 am

1 stop10h 25m

$866

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 4/15

10:20 am-11:48 pm

2 stops18h 28m

Louisville Intl

Wed 4/22

7:01 pm-8:40 pm

2 stops20h 39m

$887

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 4/15

7:25 am-8:16 pm

2 stops17h 51m

Louisville Intl

Wed 4/22

2:20 pm-5:55 am

1 stop10h 35m

$889

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 5/5

7:25 am-6:35 pm

2 stops16h 10m

Louisville Intl

Tue 5/12

2:00 pm-9:20 am

2 stops14h 20m

$892

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 5/4

10:50 am-10:30 pm

2 stops16h 40m

Louisville Intl

Mon 5/11

3:36 pm-10:15 am

2 stops13h 39m

$896

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 5/2

2:45 pm-11:48 pm

1 stop14h 03m

Louisville Intl

Sat 5/9

7:52 pm-12:10 pm

1 stop11h 18m

$919

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 5/1

11:15 am-10:50 pm

1 stop16h 35m

Louisville Intl

Fri 5/8

4:28 pm-1:05 pm

1 stop15h 37m

$924

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 4/16

10:50 am-10:30 pm

2 stops16h 40m

Louisville Intl

Thu 4/23

2:30 pm-6:55 am

1 stop11h 25m

$929

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 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?

If you are unable to visit Louisville during the month of September, then departing from London Heathrow Airport during the month June is also very affordable. Most momondo users find prices during this month for around $782.

How far in advance should I book a flight 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 $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 Heathrow Airport for as low as $759 on momondo.

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

You could potentially save up to 13% 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 round-trip 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

11h 56m

Direct flights

None
The fastest flight from London Heathrow Airport to Louisville takes 11h 56m
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

  • How far is London Heathrow to Louisville Intl by plane?

    London Heathrow and Louisville Intl are 4030.3 mi apart from one another. Typically, this will take 11h 56m by plane in normal conditions.

  • 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 are updated daily.

  • 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 necessary travel and health documents for your Louisville Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

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?

All flight searches from London to Louisville on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for London to Louisville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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