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Cheap flights from Louisville to London from $430

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:32 am - 10:15 amSDF  Louisville Intl-LHR London Heathrow
20h 43m1 stop Houston George Bush Intcntl
United Airlines Logo
9:00 am - 11:55 pmLHR  London Heathrow-SDF Louisville Intl
18h 55m2 stops Zurich Chicago O'Hare Intl
$764United Airlines
Sun, Mar 21 - Tue, Mar 23
United Airlines Logo
5:50 am - 7:10 amSDF  Louisville Intl-LHR London Heathrow
21h 20m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
6:35 am - 8:14 pmLHR  London Heathrow-SDF Louisville Intl
17h 39m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$769United Airlines
Sun, Mar 21 - Tue, Mar 23
Multiple Airlines Logo
1:00 pm - 10:00 amSDF  Louisville Intl-LHR London Heathrow
16h 00m2 stops Newark Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
5:50 pm - 3:35 pmLHR  London Heathrow-SDF Louisville Intl
26h 45m2 stops Brussels Bruxelles-National Toronto Pearson Intl
$876Multiple Airlines
Tue, Apr 27 - Tue, May 4
Multiple Airlines Logo
6:30 am - 6:30 amSDF  Louisville Intl-LHR London Heathrow
19h 00m2 stops Newark Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
9:30 am - 7:34 pmLHR  London Heathrow-SDF Louisville Intl
15h 04m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$877Multiple Airlines
Sun, Mar 28 - Wed, Apr 7
British Airways Logo
7:52 pm - 12:15 pmSDF  Louisville Intl-LHR London Heathrow
11h 23m1 stop Charlotte Douglas
British Airways Logo
1:30 pm - 9:30 pmLHR  London Heathrow-SDF Louisville Intl
13h 00m1 stop Chicago O'Hare Intl
$894British Airways
Tue, Apr 27 - Tue, May 4
British Airways Logo
3:29 pm - 6:55 amSDF  Louisville Intl-LHR London Heathrow
10h 26m1 stop Charlotte Douglas
British Airways Logo
12:15 pm - 7:02 pmLHR  London Heathrow-SDF Louisville Intl
11h 47m1 stop Charlotte Douglas
$895British Airways
Sun, Mar 28 - Wed, Apr 7
American Airlines Logo
8:08 pm - 12:15 pmSDF  Louisville Intl-LHR London Heathrow
11h 07m1 stop Charlotte Douglas
American Airlines Logo
12:15 pm - 7:02 pmLHR  London Heathrow-SDF Louisville Intl
11h 47m1 stop Charlotte Douglas
$932American Airlines
Sun, Mar 28 - Thu, Apr 8
American Airlines Logo
2:54 pm - 10:00 amSDF  Louisville Intl-LHR London Heathrow
14h 06m1 stop Chicago O'Hare Intl
American Airlines Logo
10:35 am - 9:59 pmLHR  London Heathrow-SDF Louisville Intl
16h 24m1 stop Philadelphia
$946American Airlines
Sun, Jan 3 - Tue, Jan 19
Delta Logo
3:24 pm - 10:30 amSDF  Louisville Intl-LHR London Heathrow
15h 06m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
1:25 pm - 8:51 pmLHR  London Heathrow-SDF Louisville Intl
12h 26m1 stop Atlanta Hartsfield-Jackson
$1,013Delta
Wed, Mar 17 - Sun, Mar 28
Delta Logo
12:45 pm - 7:45 amSDF  Louisville Intl-LHR London Heathrow
14h 00m1 stop Detroit Metropolitan Wayne County
Delta Logo
9:05 am - 8:58 pmLHR  London Heathrow-SDF Louisville Intl
16h 53m1 stop New York John F Kennedy Intl
$1,166Delta
Fri, Jan 1 - Thu, Jan 7

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United Airlines flights from Louisville to London Heathrow Airport

Our best United Airlines deals on Louisville to London Heathrow Airport flight tickets
United Airlines
Mar 21
SDF9:32 amLouisville Intl
20h 43m
1 stop
LHR10:15 amLondon Heathrow
Mar 23
LHR9:00 amLondon Heathrow
18h 55m
2 stops
SDF11:55 pmLouisville Intl
$764
United Airlines
Mar 21
SDF5:50 amLouisville Intl
21h 20m
2 stops
LHR7:10 amLondon Heathrow
Mar 23
LHR6:35 amLondon Heathrow
17h 39m
2 stops
SDF8:14 pmLouisville Intl
$769
United Airlines
Feb 14
SDF3:29 pmLouisville Intl
35h 11m
1 stop
LHR7:40 amLondon Heathrow
Feb 17
LHR6:50 amLondon Heathrow
18h 42m
2 stops
SDF8:32 pmLouisville Intl
$774

Scandinavian Airlines flights from Louisville to London Heathrow Airport

Our best Scandinavian Airlines deals on Louisville to London Heathrow Airport flight tickets
Scandinavian Airlines
Feb 11
SDF4:30 pmLouisville Intl
18h 30m
2 stops
LHR4:00 pmLondon Heathrow
Feb 17
LHR6:40 amLondon Heathrow
22h 36m
2 stops
SDF12:16 amLouisville Intl
$900
Scandinavian Airlines
Mar 16
SDF1:00 pmLouisville Intl
28h 40m
2 stops
LHR9:40 pmLondon Heathrow
Apr 17
LHR6:40 amLondon Heathrow
22h 22m
2 stops
SDF12:02 amLouisville Intl
$905
Scandinavian Airlines
Mar 3
SDF4:30 pmLouisville Intl
20h 10m
2 stops
LHR5:40 pmLondon Heathrow
Mar 8
LHR6:40 amLondon Heathrow
22h 22m
2 stops
SDF12:02 amLouisville Intl
$915

momondo Fare Finder

 
Use the filters below to find and compare flights from Louisville to London Heathrow Airport that are best for you.

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Route

Depart

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Price

Cheapest round-trip

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 3/21

9:32 am-10:15 am

1 stop20h 43m

London Heathrow

Tue 3/23

9:00 am-11:55 pm

2 stops18h 55m

$764

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 3/21

5:50 am-7:10 am

2 stops21h 20m

London Heathrow

Tue 3/23

6:35 am-8:14 pm

2 stops17h 39m

$769

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 4/27

1:00 pm-10:00 am

2 stops16h 00m

London Heathrow

Tue 5/4

5:50 pm-3:35 pm

2 stops26h 45m

$876

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 3/28

6:30 am-6:30 am

2 stops19h 00m

London Heathrow

Wed 4/7

9:30 am-7:34 pm

2 stops15h 04m

$877

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 4/27

7:52 pm-12:15 pm

1 stop11h 23m

London Heathrow

Tue 5/4

1:30 pm-9:30 pm

1 stop13h 00m

$894
Quickest round-trip

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 3/28

3:29 pm-6:55 am

1 stop10h 26m

London Heathrow

Wed 4/7

12:15 pm-7:02 pm

1 stop11h 47m

$895

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 3/28

8:08 pm-12:15 pm

1 stop11h 07m

London Heathrow

Thu 4/8

12:15 pm-7:02 pm

1 stop11h 47m

$932

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 1/3

2:54 pm-10:00 am

1 stop14h 06m

London Heathrow

Tue 1/19

10:35 am-9:59 pm

1 stop16h 24m

$946

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Wed 3/17

3:24 pm-10:30 am

2 stops15h 06m

London Heathrow

Sun 3/28

1:25 pm-8:51 pm

1 stop12h 26m

$1,013

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Fri 1/1

12:45 pm-7:45 am

1 stop14h 00m

London Heathrow

Thu 1/7

9:05 am-8:58 pm

1 stop16h 53m

$1,166

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 London from

How to get the cheapest flight ticket from Louisville to London Heathrow Airport

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 London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Louisville, with most prices found around $794. If you’re not able to fly to London Heathrow Airport in February, then March is your next best option. Flight prices from Louisville to London Heathrow Airport during March average around $865.

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

You could potentially save up to 18% on your flight if you consider stops on a Louisville to London Heathrow Airport flight.

When to book flights from Louisville to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to London Heathrow Airport (SDF to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to London Heathrow Airport

Best Price Found

$430

Fastest flight time

10h 54m

Direct flights

None
The best one-way flight to London Heathrow Airport from Louisville in the past 72 hours is $430. The best round-trip flight deal from Louisville to London Heathrow Airport found on momondo in the last 72 hours is $764.
The fastest flight from Louisville to London Heathrow Airport takes 10h 54m
There are no direct flights from Louisville to London Heathrow Airport. There are no popular flight routes from Louisville to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Louisville to London Heathrow Airport

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

    A flight from Louisville Intl to London Heathrow will travel around 4030.3 mi. By plane, this route typically takes 10h 54m.

  • When did momondo last update prices for flights from Louisville Intl Airport to London Heathrow Airport?

    Prices for flights from Louisville Intl Airport to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from Louisville Intl Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Louisville to London Heathrow Airport

Compare and see reviews for airlines that fly from Louisville to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $588Free CancellationRating
7.8
8,709 reviews
Search Delta flights
British AirwaysPriceFrom $606Free CancellationRating
6.7
8,277 reviews
Search British Airways flights
American AirlinesPriceFrom $676Free CancellationRating
7.0
12,226 reviews
Search American Airlines flights
United AirlinesPriceFrom $743Free CancellationRating
7.3
10,480 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Croydon
Hayes
Haverhill
Milton Keynes
Luton
Stansted
Kingston upon Thames
Dover
Watford
Richmond
Stratford-upon-Avon
Wembley
Crawley
Worthing
Brentford
Harrow
Canterbury
Hook

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to London for you.

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

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

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

Once you have performed a search for Louisville to London 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 Louisville to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisville to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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