Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Louisville from £425

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 1/9. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Louisville

Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
08:30 - 22:22
LHR
-
SDF
18h 52m
2 stops
Lufthansa Logo
13:48 - 06:55
SDF
-
LHR
12h 07m
1 stop
£663Lufthansa
Wed, 16 Sep - Wed, 23 Sep
Lufthansa Logo
06:30 - 22:22
LHR
-
SDF
20h 52m
2 stops
Lufthansa Logo
13:48 - 06:55
SDF
-
LHR
12h 07m
1 stop
£666Lufthansa
Wed, 16 Sep - Wed, 23 Sep
Lufthansa Logo
07:25 - 19:05
LHR
-
SDF
16h 40m
2 stops
Lufthansa Logo
19:43 - 18:40
SDF
-
LHR
17h 57m
2 stops
£667Lufthansa
Tue, 1 Sep - Thu, 17 Sep
British Airways Logo
15:00 - 21:39
LHR
-
SDF
11h 39m
1 stop
British Airways Logo
17:00 - 08:00
SDF
-
LHR
10h 00m
1 stop
£670British Airways
Tue, 15 Sep - Tue, 22 Sep
United Airlines Logo
08:45 - 20:36
LHR
-
SDF
16h 51m
2 stops
United Airlines Logo
13:48 - 06:55
SDF
-
LHR
12h 07m
1 stop
£678United Airlines
Tue, 15 Sep - Tue, 22 Sep
United Airlines Logo
08:40 - 22:22
LHR
-
SDF
18h 42m
2 stops
United Airlines Logo
06:00 - 05:55
SDF
-
LHR
18h 55m
2 stops
£680United Airlines
Wed, 16 Sep - Mon, 21 Sep
Scandinavian Airlines Logo
06:40 - 22:35
LHR
-
SDF
20h 55m
2 stops
Scandinavian Airlines Logo
17:45 - 16:00
SDF
-
LHR
17h 15m
2 stops
£684Scandinavian Airlines
Fri, 23 Oct - Mon, 2 Nov
Lufthansa Logo
12:00 - 22:57
LHR
-
SDF
15h 57m
1 stop
Lufthansa Logo
10:05 - 06:55
SDF
-
LHR
15h 50m
1 stop
£685Lufthansa
Tue, 1 Sep - Thu, 17 Sep
Lufthansa Logo
14:10 - 00:05
LHR
-
SDF
14h 55m
1 stop
Lufthansa Logo
13:48 - 06:55
SDF
-
LHR
12h 07m
1 stop
£686Lufthansa
Wed, 16 Sep - Wed, 23 Sep
Lufthansa Logo
15:20 - 22:59
LHR
-
SDF
12h 39m
1 stop
Lufthansa Logo
10:05 - 06:55
SDF
-
LHR
15h 50m
1 stop
£687Lufthansa
Tue, 1 Sep - Thu, 17 Sep

British Airways flights from London Heathrow Airport to Louisville

Our best British Airways deals on London Heathrow Airport to Louisville flight tickets
British Airways
15 Sept
LHR15:00London Heathrow
11h 39m
1 stop
SDF21:39Louisville Intl
22 Sept
SDF17:00Louisville Intl
10h 00m
1 stop
LHR08:00London Heathrow
£670
British Airways
2 Jun
LHR15:00London Heathrow
12h 27m
1 stop
SDF22:27Louisville Intl
30 Sept
SDF20:04Louisville Intl
11h 06m
1 stop
LHR12:10London Heathrow
£698
British Airways
1 Sept
LHR13:10London Heathrow
13h 16m
1 stop
SDF21:26Louisville Intl
17 Sept
SDF17:00Louisville Intl
10h 00m
1 stop
LHR08:00London Heathrow
£700

Delta flights from London Heathrow Airport to Louisville

Our best Delta deals on London Heathrow Airport to Louisville flight tickets
Delta
16 Sept
LHR06:30London Heathrow
17h 13m
2 stops
SDF18:43Louisville Intl
23 Sept
SDF14:15Louisville Intl
13h 35m
2 stops
LHR08:50London Heathrow
£703
Delta
2 Jun
LHR08:40London Heathrow
15h 28m
2 stops
SDF19:08Louisville Intl
30 Sept
SDF14:15Louisville Intl
15h 05m
2 stops
LHR10:20London Heathrow
£731
Delta
20 May
LHR06:30London Heathrow
15h 42m
2 stops
SDF17:12Louisville Intl
9 Jun
SDF17:26Louisville Intl
13h 39m
2 stops
LHR12:05London Heathrow
£743

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 10 May 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 return flight

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

08:30-22:22

2 stops18h 52m

Louisville Intl

Wed 23/9

13:48-06:55

1 stop12h 07m

£663

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

06:30-22:22

2 stops20h 52m

Louisville Intl

Wed 23/9

13:48-06:55

1 stop12h 07m

£666

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 1/9

07:25-19:05

2 stops16h 40m

Louisville Intl

Thu 17/9

19:43-18:40

2 stops17h 57m

£667
Fastest return journey

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 15/9

15:00-21:39

1 stop11h 39m

Louisville Intl

Tue 22/9

17:00-08:00

1 stop10h 00m

£670

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 15/9

08:45-20:36

2 stops16h 51m

Louisville Intl

Tue 22/9

13:48-06:55

1 stop12h 07m

£678

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

08:40-22:22

2 stops18h 42m

Louisville Intl

Mon 21/9

06:00-05:55

2 stops18h 55m

£680

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Fri 23/10

06:40-22:35

2 stops20h 55m

Louisville Intl

Mon 2/11

17:45-16:00

2 stops17h 15m

£684

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 1/9

12:00-22:57

1 stop15h 57m

Louisville Intl

Thu 17/9

10:05-06:55

1 stop15h 50m

£685

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Wed 16/9

14:10-00:05

1 stop14h 55m

Louisville Intl

Wed 23/9

13:48-06:55

1 stop12h 07m

£686

LondonLouisville

LHR - SDF

LHRSDF

London Heathrow

Tue 1/9

15:20-22:59

1 stop12h 39m

Louisville Intl

Thu 17/9

10:05-06:55

1 stop15h 50m

£687

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

The month of September is, on average, the cheapest month to fly to Louisville from London Heathrow Airport, with most prices found around £511. If you aren’t able to travel to Louisville during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of £514.

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 £681 when searching weeks before you fly. 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 £583 on momondo.

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

You could potentially save up to 21% 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 return 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

15h 04m

Direct flights

None
The fastest flight from London Heathrow Airport to Louisville takes 15h 04m
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?

    The straight-line distance from London Heathrow to Louisville Intl is 4030.3 mi. Flights usually cover this in 15h 04m, depending on flying conditions and air traffic around both airports.

  • 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 were last updated today.

  • 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 travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
KLMPriceFrom £462Free CancellationRating
7.8
1,513 reviews
Search KLM flights
United AirlinesPriceFrom £473Free CancellationRating
7.4
9,695 reviews
Search United Airlines flights
LufthansaPriceFrom £475Free CancellationRating
6.8
7,986 reviews
Search Lufthansa flights
British AirwaysPriceFrom £486Free CancellationRating
6.7
7,968 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £502Free CancellationRating
7.4
688 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom £586Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights

Travelling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Charlestown

Why use momondo?

Why should I use momondo to find a flight deal from London to Louisville?

It is quick and easy to find London to Louisville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Louisville that suits you.

Can I find flights from London to Louisville with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Louisville flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Louisville from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

An easier way to manage your Louisville trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/6
Tue 16/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Kentucky

Lexington Blue Grass Airport