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Cheap flights from London Heathrow Airport to Louisville from $500

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 2/1. 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 Heathrow Airport to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
2:10 pm - 11:19 pm
LHR
-
SDF
14h 09m1 stop
British Airways Logo
10:35 am - 7:00 pm
SDF
-
LHR
27h 25m1 stop
$713British Airways
Wed, Feb 4 - Sun, Feb 8
British Airways Logo
9:55 am - 7:07 pm
LHR
-
SDF
13h 12m1 stop
British Airways Logo
7:57 pm - 12:00 pm
SDF
-
LHR
12h 03m1 stop
$729British Airways
Thu, Mar 12 - Thu, Mar 26
British Airways Logo
1:10 pm - 8:55 pm
LHR
-
SDF
12h 45m1 stop
British Airways Logo
8:15 pm - 12:30 pm
SDF
-
LHR
11h 15m1 stop
$730British Airways
Mon, Apr 20 - Mon, Apr 27
British Airways Logo
5:25 pm - 11:19 pm
LHR
-
SDF
34h 54m2 stops
British Airways Logo
7:13 pm - 10:25 am
SDF
-
LHR
10h 12m1 stop
$739British Airways
Thu, Jan 22 - Mon, Jan 26
British Airways Logo
2:45 pm - 10:12 pm
LHR
-
SDF
12h 27m1 stop
British Airways Logo
7:13 pm - 11:35 am
SDF
-
LHR
11h 22m1 stop
$754British Airways
Thu, Jan 22 - Mon, Jan 26
British Airways Logo
11:45 am - 10:12 pm
LHR
-
SDF
15h 27m1 stop
British Airways Logo
3:33 pm - 7:20 am
SDF
-
LHR
10h 47m1 stop
$767British Airways
Fri, Jan 30 - Fri, Feb 6
British Airways Logo
12:15 pm - 8:55 pm
LHR
-
SDF
13h 40m1 stop
British Airways Logo
4:45 pm - 7:50 am
SDF
-
LHR
10h 05m1 stop
$770British Airways
Fri, Apr 17 - Mon, Apr 27
Iberia Logo
4:40 pm - 7:02 pm
LHR
-
SDF
31h 22m2 stops
Iberia Logo
5:27 pm - 7:20 am
SDF
-
LHR
32h 53m1 stop
$772Iberia
Sun, Apr 19 - Sun, Apr 26
Iberia Logo
7:40 pm - 11:19 pm
LHR
-
SDF
32h 39m2 stops
Iberia Logo
12:56 pm - 8:35 am
SDF
-
LHR
14h 39m1 stop
$776Iberia
Sun, Jan 18 - Sat, Jan 31
Finnair Logo
10:05 am - 7:43 pm
LHR
-
SDF
14h 38m1 stop
Finnair Logo
5:27 pm - 7:20 am
SDF
-
LHR
32h 53m1 stop
$782Finnair
Sun, Apr 19 - Sun, Apr 26

Scandinavian Airlines flights from London Heathrow Airport to Louisville

Our best Scandinavian Airlines deals on London Heathrow Airport to Louisville flight tickets
Scandinavian Airlines
Jan 30
LHR7:05 amLondon Heathrow
21h 45m
3 stops
SDF11:50 pmLouisville Intl
Feb 6
SDF12:57 pmLouisville Intl
22h 03m
2 stops
LHR4:00 pmLondon Heathrow
$841
Find similar
Scandinavian Airlines
Jan 22
LHR6:40 amLondon Heathrow
22h 10m
2 stops
SDF11:50 pmLouisville Intl
Jan 26
SDF3:32 pmLouisville Intl
19h 28m
2 stops
LHR4:00 pmLondon Heathrow
$850
Find similar
Scandinavian Airlines
Jan 22
LHR6:40 amLondon Heathrow
22h 10m
2 stops
SDF11:50 pmLouisville Intl
Jan 26
SDF3:32 pmLouisville Intl
19h 28m
2 stops
LHR4:00 pmLondon Heathrow
$852
Find similar

Aer Lingus flights from London Heathrow Airport to Louisville

Our best Aer Lingus deals on London Heathrow Airport to Louisville flight tickets
Aer Lingus
May 1
LHR8:50 amLondon Heathrow
17h 05m
2 stops
SDF8:55 pmLouisville Intl
May 8
SDF10:32 amLouisville Intl
16h 28m
2 stops
LHR8:00 amLondon Heathrow
$1,000
Find similar
Aer Lingus
May 1
LHR7:40 amLondon Heathrow
16h 22m
2 stops
SDF7:02 pmLouisville Intl
May 8
SDF10:32 amLouisville Intl
18h 48m
2 stops
LHR10:20 amLondon Heathrow
$1,001
Find similar

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 December 18, 2025.
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

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 2/4

2:10 pm-11:19 pm

1 stop14h 09m

Louisville Intl

Sun 2/8

10:35 am-7:00 pm

1 stop27h 25m

$713

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 3/12

9:55 am-7:07 pm

1 stop13h 12m

Louisville Intl

Thu 3/26

7:57 pm-12:00 pm

1 stop12h 03m

$729

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Mon 4/20

1:10 pm-8:55 pm

1 stop12h 45m

Louisville Intl

Mon 4/27

8:15 pm-12:30 pm

1 stop11h 15m

$730

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 1/22

5:25 pm-11:19 pm

2 stops34h 54m

Louisville Intl

Mon 1/26

7:13 pm-10:25 am

1 stop10h 12m

$739

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Thu 1/22

2:45 pm-10:12 pm

1 stop12h 27m

Louisville Intl

Mon 1/26

7:13 pm-11:35 am

1 stop11h 22m

$754

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 1/30

11:45 am-10:12 pm

1 stop15h 27m

Louisville Intl

Fri 2/6

3:33 pm-7:20 am

1 stop10h 47m

$767

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 4/17

12:15 pm-8:55 pm

1 stop13h 40m

Louisville Intl

Mon 4/27

4:45 pm-7:50 am

1 stop10h 05m

$770

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 4/19

4:40 pm-7:02 pm

2 stops31h 22m

Louisville Intl

Sun 4/26

5:27 pm-7:20 am

1 stop32h 53m

$772

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 1/18

7:40 pm-11:19 pm

2 stops32h 39m

Louisville Intl

Sat 1/31

12:56 pm-8:35 am

1 stop14h 39m

$776

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sun 4/19

10:05 am-7:43 pm

1 stop14h 38m

Louisville Intl

Sun 4/26

5:27 pm-7:20 am

1 stop32h 53m

$782

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 cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of January, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around $684.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from London Heathrow Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $739. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Louisville on a Saturday will generally be more expensive and average around $1,088. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest London Heathrow Airport to Louisville flights are usually those with departure times at noon. Our users have found flights to Louisville at noon for as low as $800. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $1,088 per ticket.

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 $816 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 $737 on momondo.

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

You could potentially save up to 4% 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

12h 45m

Direct flights

None
The fastest flight from London Heathrow Airport to Louisville takes 12h 45m
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 12h 45m 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
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Elizabeth
Corydon
Charlestown
Springfield
Brandenburg
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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