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Cheap flights from London Heathrow Airport to Louisville from $454

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 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to Louisville

Cheap round-trip flights

United Airlines Logo
8:45 am - 9:02 pmLHR-SDF
17h 17m2 stops
United Airlines Logo
1:58 pm - 11:45 amSDF-LHR
16h 47m1 stop
$641United Airlines
Find Deal
Tue, Sep 23 - Tue, Oct 7
United Airlines Logo
8:40 am - 10:24 pmLHR-SDF
18h 44m2 stops
United Airlines Logo
7:00 am - 11:35 amSDF-LHR
23h 35m1 stop
$643United Airlines
Find Deal
Fri, Sep 12 - Fri, Sep 19
United Airlines Logo
7:25 am - 6:58 pmLHR-SDF
16h 33m2 stops
United Airlines Logo
7:36 pm - 11:45 amSDF-LHR
11h 09m1 stop
$644United Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
British Airways Logo
2:10 pm - 9:13 pmLHR-SDF
12h 03m1 stop
British Airways Logo
4:02 pm - 9:15 amSDF-LHR
12h 13m1 stop
$652British Airways
Find Deal
Tue, Dec 9 - Mon, Dec 15
British Airways Logo
11:05 am - 5:38 pmLHR-SDF
11h 33m1 stop
British Airways Logo
4:28 pm - 7:40 amSDF-LHR
10h 12m1 stop
$661British Airways
Find Deal
Tue, Sep 23 - Tue, Oct 7
Lufthansa Logo
2:10 pm - 10:24 pmLHR-SDF
13h 14m1 stop
Lufthansa Logo
9:55 am - 10:40 amSDF-LHR
19h 45m1 stop
$667Lufthansa
Find Deal
Sat, Sep 13 - Sat, Sep 27
Lufthansa Logo
12:50 pm - 11:40 pmLHR-SDF
14h 50m1 stop
Lufthansa Logo
5:57 pm - 11:15 amSDF-LHR
12h 18m1 stop
$671Lufthansa
Find Deal
Sat, Nov 1 - Mon, Dec 1
Logo
10:00 am - 8:00 pmLHR-SDF
15h 00m1 stop
Logo
1:00 pm - 6:55 amSDF-LHR
12h 55m1 stop
$676
Find Deal
Sat, Sep 13 - Sat, Sep 20
Air Canada Logo
2:05 pm - 10:58 pmLHR-SDF
37h 53m2 stops
Air Canada Logo
7:20 am - 9:35 amSDF-LHR
21h 15m2 stops
$767Air Canada
Find Deal
Fri, Sep 12 - Fri, Sep 19
Logo
7:40 am - 10:44 pmLHR-SDF
20h 04m3 stops
Logo
10:14 am - 11:50 amSDF-LHR
20h 36m3 stops
$1,016
Find Deal
Sat, Sep 13 - Sat, Sep 20

Scandinavian Airlines flights from London Heathrow Airport to Louisville

Our best Scandinavian Airlines deals on London Heathrow Airport to Louisville flight tickets
Scandinavian Airlines
Sep 23
LHR7:05 amLondon Heathrow
19h 08m
3 stops
SDF9:13 pmLouisville Intl
Oct 7
SDF12:54 pmLouisville Intl
27h 46m
2 stops
LHR9:40 pmLondon Heathrow
$908
Find similar
Scandinavian Airlines
Oct 16
LHR6:40 amLondon Heathrow
22h 19m
3 stops
SDF11:59 pmLouisville Intl
Oct 25
SDF3:11 pmLouisville Intl
20h 49m
2 stops
LHR5:00 pmLondon Heathrow
$949
Find similar
Scandinavian Airlines
Sep 12
LHR6:40 amLondon Heathrow
21h 11m
3 stops
SDF10:51 pmLouisville Intl
Sep 19
SDF3:09 pmLouisville Intl
19h 51m
2 stops
LHR4:00 pmLondon Heathrow
$1,222
Find similar

United Airlines flights from London Heathrow Airport to Louisville

Our best United Airlines deals on London Heathrow Airport to Louisville flight tickets
United Airlines
Sep 23
LHR8:45 amLondon Heathrow
17h 17m
2 stops
SDF9:02 pmLouisville Intl
Oct 7
SDF1:58 pmLouisville Intl
16h 47m
1 stop
LHR11:45 amLondon Heathrow
$641
Find similar
United Airlines
Sep 12
LHR8:40 amLondon Heathrow
18h 44m
2 stops
SDF10:24 pmLouisville Intl
Sep 19
SDF7:00 amLouisville Intl
23h 35m
1 stop
LHR11:35 amLondon Heathrow
$643
Find similar
United Airlines
Sep 13
LHR7:25 amLondon Heathrow
16h 33m
2 stops
SDF6:58 pmLouisville Intl
Sep 20
SDF7:36 pmLouisville Intl
11h 09m
1 stop
LHR11:45 amLondon Heathrow
$644
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 July 31, 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

Tue 9/23

8:45 am-9:02 pm

2 stops17h 17m

Louisville Intl

Tue 10/7

1:58 pm-11:45 am

1 stop16h 47m

$641

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 9/12

8:40 am-10:24 pm

2 stops18h 44m

Louisville Intl

Fri 9/19

7:00 am-11:35 am

1 stop23h 35m

$643

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 9/13

7:25 am-6:58 pm

2 stops16h 33m

Louisville Intl

Sat 9/20

7:36 pm-11:45 am

1 stop11h 09m

$644

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 12/9

2:10 pm-9:13 pm

1 stop12h 03m

Louisville Intl

Mon 12/15

4:02 pm-9:15 am

1 stop12h 13m

$652

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 9/23

11:05 am-5:38 pm

1 stop11h 33m

Louisville Intl

Tue 10/7

4:28 pm-7:40 am

1 stop10h 12m

$661

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 9/13

2:10 pm-10:24 pm

1 stop13h 14m

Louisville Intl

Sat 9/27

9:55 am-10:40 am

1 stop19h 45m

$667

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 11/1

12:50 pm-11:40 pm

1 stop14h 50m

Louisville Intl

Mon 12/1

5:57 pm-11:15 am

1 stop12h 18m

$671

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 9/13

10:00 am-8:00 pm

1 stop15h 00m

Louisville Intl

Sat 9/20

1:00 pm-6:55 am

1 stop12h 55m

$676

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 9/12

2:05 pm-10:58 pm

2 stops37h 53m

Louisville Intl

Fri 9/19

7:20 am-9:35 am

2 stops21h 15m

$767

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Sat 9/13

7:40 am-10:44 pm

3 stops20h 04m

Louisville Intl

Sat 9/20

10:14 am-11:50 am

3 stops20h 36m

$1,016

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 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 $683.

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 $800 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 $712 on momondo.

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

You could potentially save up to 59% 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

Best Price Found

$454

Fastest flight time

11h 33m

Direct flights

None

Airports in Louisville

1 airport
The best one-way flight to Louisville from London Heathrow Airport in the past 72 hours is $454. The best round-trip flight deal from London Heathrow Airport to Louisville found on momondo in the last 72 hours is $641.
The fastest flight from London Heathrow Airport to Louisville takes 11h 33m
There are no direct flights from London Heathrow Airport to Louisville. Popular non-direct route for this connection is London Heathrow Airport - Louisville Intl Airport.
There is 1 airport near Louisville: Louisville Intl (SDF)
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  • 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 33m 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 many operators does momondo search for flights from London Heathrow Airport to Louisville Intl Airport?

  • 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.

  • What is the most popular airline from London Heathrow Airport to Louisville?

Best airlines flying from London Heathrow Airport to Louisville

Compare and see reviews for airlines that fly from London Heathrow Airport to Louisville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $631Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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
Georgetown
Springfield
Brandenburg

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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