Cheap flights from Louisville to London from £244

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Louisville to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
09:32 - 10:15SDF  Louisville Intl-LHR London Heathrow
20h 43m1 stop Houston George Bush Intcntl
United Airlines Logo
09:00 - 23:55LHR  London Heathrow-SDF Louisville Intl
18h 55m2 stops Zurich Chicago O'Hare Intl
£572United Airlines
Sun, 21 Mar - Tue, 23 Mar
United Airlines Logo
05:50 - 07:10SDF  Louisville Intl-LHR London Heathrow
21h 20m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
06:35 - 20:14LHR  London Heathrow-SDF Louisville Intl
17h 39m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
£576United Airlines
Sun, 21 Mar - Tue, 23 Mar
United Airlines Logo
13:10 - 07:10SDF  Louisville Intl-LHR London Heathrow
37h 00m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
06:50 - 19:33LHR  London Heathrow-SDF Louisville Intl
17h 43m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl
£578United Airlines
Sun, 14 Feb - Wed, 17 Feb
United Airlines Logo
15:29 - 07:40SDF  Louisville Intl-LHR London Heathrow
35h 11m1 stop Houston George Bush Intcntl
United Airlines Logo
06:50 - 19:28LHR  London Heathrow-SDF Louisville Intl
17h 38m2 stops Brussels Bruxelles-National Newark
£579United Airlines
Sun, 14 Feb - Wed, 17 Feb
United Airlines Logo
14:25 - 07:10SDF  Louisville Intl-LHR London Heathrow
35h 45m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
06:50 - 16:32LHR  London Heathrow-SDF Louisville Intl
14h 42m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
£582United Airlines
Sun, 14 Feb - Wed, 17 Feb
United Airlines Logo
14:25 - 07:10SDF  Louisville Intl-LHR London Heathrow
35h 45m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
06:50 - 16:32LHR  London Heathrow-SDF Louisville Intl
14h 42m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
£582United Airlines
Sun, 14 Feb - Wed, 17 Feb
Iberia Logo
13:11 - 08:35SDF  Louisville Intl-LHR London Heathrow
14h 24m1 stop Chicago O'Hare Intl
Iberia Logo
06:15 - 21:35LHR  London Heathrow-SDF Louisville Intl
20h 20m2 stops Madrid Barajas Chicago O'Hare Intl
£657Iberia
Mon, 18 Jan - Fri, 29 Jan
Lufthansa Logo
09:32 - 07:40SDF  Louisville Intl-LHR London Heathrow
18h 08m1 stop Houston George Bush Intcntl
Lufthansa Logo
07:40 - 23:55LHR  London Heathrow-SDF Louisville Intl
20h 15m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
£660Lufthansa
Sun, 21 Mar - Tue, 23 Mar
Iberia Logo
13:11 - 11:55SDF  Louisville Intl-LHR London Heathrow
17h 44m2 stops Chicago O'Hare Intl Madrid Barajas
Iberia Logo
06:15 - 21:35LHR  London Heathrow-SDF Louisville Intl
20h 20m2 stops Madrid Barajas Chicago O'Hare Intl
£663Iberia
Mon, 18 Jan - Fri, 29 Jan
Multiple Airlines Logo
09:00 - 07:10SDF  Louisville Intl-LHR London Heathrow
18h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
13:30 - 23:55LHR  London Heathrow-SDF Louisville Intl
15h 25m2 stops Frankfurt am Main Chicago O'Hare Intl
£664Multiple Airlines
Wed, 24 Mar - Fri, 2 Apr

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.

United Airlines flights from Louisville to London Heathrow Airport

Our best United Airlines deals on Louisville to London Heathrow Airport flight tickets
United Airlines
21 Mar
SDF09:32Louisville Intl
20h 43m
1 stop
LHR10:15London Heathrow
23 Mar
LHR09:00London Heathrow
18h 55m
2 stops
SDF23:55Louisville Intl
£572
United Airlines
21 Mar
SDF05:50Louisville Intl
21h 20m
2 stops
LHR07:10London Heathrow
23 Mar
LHR06:35London Heathrow
17h 39m
2 stops
SDF20:14Louisville Intl
£576
United Airlines
14 Feb
SDF13:10Louisville Intl
37h 00m
2 stops
LHR07:10London Heathrow
17 Feb
LHR06:50London Heathrow
17h 43m
2 stops
SDF19:33Louisville Intl
£578

Iberia flights from Louisville to London Heathrow Airport

Our best Iberia deals on Louisville to London Heathrow Airport flight tickets
Iberia
18 Jan
SDF13:11Louisville Intl
14h 24m
1 stop
LHR08:35London Heathrow
29 Jan
LHR06:15London Heathrow
20h 20m
2 stops
SDF21:35Louisville Intl
£657
Iberia
18 Jan
SDF13:11Louisville Intl
17h 44m
2 stops
LHR11:55London Heathrow
29 Jan
LHR06:15London Heathrow
20h 20m
2 stops
SDF21:35Louisville Intl
£663
Iberia
30 Mar
SDF13:19Louisville Intl
13h 46m
1 stop
LHR08:05London Heathrow
13 Apr
LHR07:50London Heathrow
18h 40m
2 stops
SDF21:30Louisville Intl
£667

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 21/3

09:32-10:15

1 stop20h 43m

London Heathrow

Tue 23/3

09:00-23:55

2 stops18h 55m

£572

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 21/3

05:50-07:10

2 stops21h 20m

London Heathrow

Tue 23/3

06:35-20:14

2 stops17h 39m

£576

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 14/2

13:10-07:10

2 stops37h 00m

London Heathrow

Wed 17/2

06:50-19:33

2 stops17h 43m

£578

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 14/2

15:29-07:40

1 stop35h 11m

London Heathrow

Wed 17/2

06:50-19:28

2 stops17h 38m

£579

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 14/2

14:25-07:10

2 stops35h 45m

London Heathrow

Wed 17/2

06:50-16:32

2 stops14h 42m

£582

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 14/2

14:25-07:10

2 stops35h 45m

London Heathrow

Wed 17/2

06:50-16:32

2 stops14h 42m

£582

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 18/1

13:11-08:35

1 stop14h 24m

London Heathrow

Fri 29/1

06:15-21:35

2 stops20h 20m

£657

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 21/3

09:32-07:40

1 stop18h 08m

London Heathrow

Tue 23/3

07:40-23:55

2 stops20h 15m

£660

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 18/1

13:11-11:55

2 stops17h 44m

London Heathrow

Fri 29/1

06:15-21:35

2 stops20h 20m

£663
Fastest return journey

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Wed 24/3

09:00-07:10

2 stops18h 10m

London Heathrow

Fri 2/4

13:30-23:55

2 stops15h 25m

£664

Flights are sorted by cheapest return flights first.

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

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?

In general, February is the cheapest month to fly from Louisville to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £594. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Louisville averaging around £648.

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 return 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

£244

Fastest flight time

12h 45m

Direct flights

None
The best one-way flight to London Heathrow Airport from Louisville in the past 72 hours is £244. The best return flight deal from Louisville to London Heathrow Airport found on momondo in the last 72 hours is £572.
The fastest flight from Louisville to London Heathrow Airport takes 12h 45m
There are no direct flights from Louisville to London Heathrow Airport. There are no popular flight routes from Louisville to London Heathrow Airport.

Frequently asked questions about flying from Louisville to London Heathrow Airport

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

    Louisville Intl and London Heathrow are 4030.3 mi apart from one another. In terms of flight time, this usually takes a little over 12h 45m.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Stratford-upon-Avon
Southend-on-Sea
Luton
Northampton
Ipswich
Slough
Swindon
Maidstone
Folkestone
Hastings
Ilford
Canterbury
Poole
Salisbury
Colchester
Chichester

Why use momondo?

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

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 London from Louisville.

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

Yes. All flights to London from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Louisville to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London Heathrow Airport 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/12
Tue 15/12

Find better results for your trip to London