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Cheap flights from London Heathrow Airport to Louisville from $657

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 10/1. 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
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
6:40 am - 11:59 pmLHR  London Heathrow-SDF Louisville Intl
22h 19m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
3:26 pm - 9:40 pmSDF  Louisville Intl-LHR London Heathrow
25h 14m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$798Scandinavian Airlines
Thu, Oct 1 - Sun, Oct 18
Scandinavian Airlines Logo
6:40 am - 9:59 pmLHR  London Heathrow-SDF Louisville Intl
20h 19m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
3:26 pm - 4:00 pmSDF  Louisville Intl-LHR London Heathrow
19h 34m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$800Scandinavian Airlines
Thu, Oct 1 - Sun, Oct 18
Scandinavian Airlines Logo
7:30 pm - 9:59 pmLHR  London Heathrow-SDF Louisville Intl
31h 29m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
12:39 pm - 9:20 amSDF  Louisville Intl-LHR London Heathrow
15h 41m2 stops Boston Logan Intl Kastrup Copenhagen
$807Scandinavian Airlines
Wed, Sep 16 - Tue, Sep 22
Scandinavian Airlines Logo
9:05 pm - 9:59 pmLHR  London Heathrow-SDF Louisville Intl
29h 54m3 stops Stockholm Arlanda Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
1:20 pm - 9:20 amSDF  Louisville Intl-LHR London Heathrow
15h 00m2 stops Boston Logan Intl Kastrup Copenhagen
$808Scandinavian Airlines
Wed, Sep 30 - Wed, Oct 7
Scandinavian Airlines Logo
6:40 pm - 10:37 pmLHR  London Heathrow-SDF Louisville Intl
32h 57m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
1:59 pm - 4:00 pmSDF  Louisville Intl-LHR London Heathrow
21h 01m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$811Scandinavian Airlines
Wed, Oct 7 - Tue, Oct 13
Scandinavian Airlines Logo
6:40 pm - 11:00 pmLHR  London Heathrow-SDF Louisville Intl
33h 20m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
3:00 pm - 5:40 pmSDF  Louisville Intl-LHR London Heathrow
21h 40m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$812Scandinavian Airlines
Thu, Dec 3 - Mon, Dec 7
Scandinavian Airlines Logo
6:40 pm - 11:00 pmLHR  London Heathrow-SDF Louisville Intl
33h 20m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
3:00 pm - 5:40 pmSDF  Louisville Intl-LHR London Heathrow
21h 40m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$813Scandinavian Airlines
Thu, Dec 3 - Mon, Dec 7
Scandinavian Airlines Logo
6:40 pm - 11:00 pmLHR  London Heathrow-SDF Louisville Intl
33h 20m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
3:00 pm - 5:40 pmSDF  Louisville Intl-LHR London Heathrow
21h 40m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$814Scandinavian Airlines
Thu, Dec 3 - Mon, Dec 7
United Airlines Logo
11:05 am - 7:06 pmLHR  London Heathrow-SDF Louisville Intl
13h 01m1 stop Chicago O'Hare Intl
United Airlines Logo
5:45 pm - 11:55 amSDF  Louisville Intl-LHR London Heathrow
13h 10m1 stop Chicago O'Hare Intl
$815United Airlines
Sat, Aug 29 - Sat, Sep 5
Scandinavian Airlines Logo
5:00 pm - 11:59 pmLHR  London Heathrow-SDF Louisville Intl
35h 59m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
1:59 pm - 5:40 pmSDF  Louisville Intl-LHR London Heathrow
22h 41m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$820Scandinavian Airlines
Wed, Oct 7 - Sat, Oct 17

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Iberia flights from London Heathrow Airport to Louisville

Our best Iberia deals on London Heathrow Airport to Louisville flight tickets
Iberia
Oct 1
LHR6:15 amLondon Heathrow
21h 18m
2 stops
SDF10:33 pmLouisville Intl
Oct 18
SDF5:19 pmLouisville Intl
32h 31m
1 stop
LHR6:50 amLondon Heathrow
$909
Iberia
Oct 1
LHR9:45 amLondon Heathrow
17h 48m
1 stop
SDF10:33 pmLouisville Intl
Oct 18
SDF5:19 pmLouisville Intl
32h 31m
1 stop
LHR6:50 amLondon Heathrow
$926
Iberia
Oct 1
LHR6:15 amLondon Heathrow
21h 18m
2 stops
SDF10:33 pmLouisville Intl
Oct 18
SDF5:19 pmLouisville Intl
32h 31m
1 stop
LHR6:50 amLondon Heathrow
$932

Scandinavian Airlines flights from London Heathrow Airport to Louisville

Our best Scandinavian Airlines deals on London Heathrow Airport to Louisville flight tickets
Scandinavian Airlines
Oct 1
LHR6:40 amLondon Heathrow
22h 19m
2 stops
SDF11:59 pmLouisville Intl
Oct 18
SDF3:26 pmLouisville Intl
25h 14m
2 stops
LHR9:40 pmLondon Heathrow
$798
Scandinavian Airlines
Oct 1
LHR6:40 amLondon Heathrow
20h 19m
2 stops
SDF9:59 pmLouisville Intl
Oct 18
SDF3:26 pmLouisville Intl
19h 34m
2 stops
LHR4:00 pmLondon Heathrow
$800
Scandinavian Airlines
Sep 16
LHR7:30 pmLondon Heathrow
31h 29m
2 stops
SDF9:59 pmLouisville Intl
Sep 22
SDF12:39 pmLouisville Intl
15h 41m
2 stops
LHR9:20 amLondon Heathrow
$807

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 August 17, 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 London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 10/1

6:40 am-11:59 pm

2 stops22h 19m

Louisville Intl

Sun 10/18

3:26 pm-9:40 pm

2 stops25h 14m

$798

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 10/1

6:40 am-9:59 pm

2 stops20h 19m

Louisville Intl

Sun 10/18

3:26 pm-4:00 pm

2 stops19h 34m

$800

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 9/16

7:30 pm-9:59 pm

2 stops31h 29m

Louisville Intl

Tue 9/22

12:39 pm-9:20 am

2 stops15h 41m

$807

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 9/30

9:05 pm-9:59 pm

3 stops29h 54m

Louisville Intl

Wed 10/7

1:20 pm-9:20 am

2 stops15h 00m

$808

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 10/7

6:40 pm-10:37 pm

2 stops32h 57m

Louisville Intl

Tue 10/13

1:59 pm-4:00 pm

2 stops21h 01m

$811

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 12/3

6:40 pm-11:00 pm

2 stops33h 20m

Louisville Intl

Mon 12/7

3:00 pm-5:40 pm

2 stops21h 40m

$812

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 12/3

6:40 pm-11:00 pm

2 stops33h 20m

Louisville Intl

Mon 12/7

3:00 pm-5:40 pm

2 stops21h 40m

$813

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Thu 12/3

6:40 pm-11:00 pm

2 stops33h 20m

Louisville Intl

Mon 12/7

3:00 pm-5:40 pm

2 stops21h 40m

$814
Quickest round-trip

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Sat 8/29

11:05 am-7:06 pm

1 stop13h 01m

Louisville Intl

Sat 9/5

5:45 pm-11:55 am

1 stop13h 10m

$815

LondonLouisville

LHR London Heathrow - SDF Louisville Intl

LHRSDF

London Heathrow

Wed 10/7

5:00 pm-11:59 pm

2 stops35h 59m

Louisville Intl

Sat 10/17

1:59 pm-5:40 pm

2 stops22h 41m

$820

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $777 to $1,378.
The lowest price recently found on this route was $798.

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 October is also very affordable. Most momondo users find prices during this month for around $798.

How far in advance should I book a flight from London Heathrow Airport 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 $1,050 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 $612 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

Best Price Found

$657

Fastest flight time

14h 48m

Direct flights

None
The best one-way flight to Louisville from London Heathrow Airport in the past 72 hours is $657. The best round-trip flight deal from London Heathrow Airport to Louisville found on momondo in the last 72 hours is $798.
The fastest flight from London Heathrow Airport to Louisville takes 14h 48m
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

Frequently asked questions about flying from London Heathrow Airport to Louisville

  • 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 14h 48m 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
Jeffersonville
West Baden Springs
Bardstown
New Albany
Shepherdsville
Elizabeth
Charlestown
Corydon
Brandenburg
Georgetown
Springfield

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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