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Cheap flights from Louisville to London from £290

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to London departing on 1/10. 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 Louisville to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:02 - 08:15SDF  Louisville Intl-LGW London Gatwick
31h 13m1 stop Orlando Sanford Intl
Multiple Airlines Logo
10:10 - 15:26LGW  London Gatwick-SDF Louisville Intl
34h 16m2 stops Orlando Raleigh-Durham
£566Multiple Airlines
Thu, 5 Nov - Tue, 17 Nov
United Airlines Logo
11:15 - 09:10SDF  Louisville Intl-LHR London Heathrow
16h 55m1 stop Newark
United Airlines Logo
06:50 - 17:37LHR  London Heathrow-SDF Louisville Intl
15h 47m2 stops Brussels Bruxelles-National Newark
£574United Airlines
Mon, 16 Nov - Wed, 18 Nov
United Airlines Logo
11:15 - 07:10SDF  Louisville Intl-LHR London Heathrow
14h 55m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
06:50 - 18:32LHR  London Heathrow-SDF Louisville Intl
16h 42m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
£576United Airlines
Mon, 16 Nov - Wed, 18 Nov
Lufthansa Logo
19:32 - 10:45SDF  Louisville Intl-LHR London Heathrow
34h 13m2 stops Chicago O'Hare Intl Frankfurt am Main
Lufthansa Logo
08:45 - 22:09LHR  London Heathrow-SDF Louisville Intl
18h 24m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
£609Lufthansa
Tue, 2 Feb - Fri, 5 Feb
Multiple Airlines Logo
20:02 - 08:15SDF  Louisville Intl-LGW London Gatwick
31h 13m1 stop Orlando Sanford Intl
Multiple Airlines Logo
12:35 - 15:26LGW  London Gatwick-SDF Louisville Intl
31h 51m2 stops Orlando Raleigh-Durham
£609Multiple Airlines
Thu, 5 Nov - Fri, 13 Nov
Iberia Logo
17:19 - 12:15SDF  Louisville Intl-LHR London Heathrow
13h 56m1 stop Chicago O'Hare Intl
Iberia Logo
07:35 - 21:35LHR  London Heathrow-SDF Louisville Intl
18h 00m2 stops Madrid Barajas Chicago O'Hare Intl
£619Iberia
Mon, 19 Oct - Wed, 28 Oct
Iberia Logo
10:03 - 08:35SDF  Louisville Intl-LHR London Heathrow
17h 32m1 stop Chicago O'Hare Intl
Iberia Logo
15:00 - 21:39LHR  London Heathrow-SDF Louisville Intl
35h 39m2 stops Madrid Barajas Chicago O'Hare Intl
£627Iberia
Sun, 15 Nov - Mon, 23 Nov
American Airlines Logo
11:44 - 10:40SDF  Louisville Intl-LGW London Gatwick
17h 56m2 stops Charlotte Douglas Orlando
American Airlines Logo
11:15 - 13:26LGW  London Gatwick-SDF Louisville Intl
30h 11m2 stops Orlando Washington, D.C. Reagan-National
£637American Airlines
Sun, 4 Oct - Fri, 30 Oct
Iberia Logo
10:29 - 10:50SDF  Louisville Intl-LHR London Heathrow
19h 21m1 stop Chicago O'Hare Intl
Iberia Logo
06:15 - 22:33LHR  London Heathrow-SDF Louisville Intl
21h 18m2 stops Madrid Barajas Chicago O'Hare Intl
£637Iberia
Tue, 22 Sep - Wed, 30 Sep
Iberia Logo
17:35 - 08:35SDF  Louisville Intl-LHR London Heathrow
11h 00m1 stop Chicago O'Hare Intl
Iberia Logo
06:15 - 21:37LHR  London Heathrow-SDF Louisville Intl
20h 22m2 stops Madrid Barajas Chicago O'Hare Intl
£638Iberia
Mon, 26 Oct - Fri, 6 Nov

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Lufthansa flights from Louisville to London

Our best Lufthansa deals on Louisville to London flight tickets
Lufthansa
2 Feb
SDF19:32Louisville Intl
34h 13m
2 stops
LHR10:45London Heathrow
5 Feb
LHR08:45London Heathrow
18h 24m
2 stops
SDF22:09Louisville Intl
£609
Lufthansa
26 Oct
SDF17:57Louisville Intl
21h 38m
2 stops
LHR19:35London Heathrow
9 Nov
LHR19:30London Heathrow
28h 02m
2 stops
SDF18:32Louisville Intl
£673
Lufthansa
22 Sept
SDF13:50Louisville Intl
23h 05m
2 stops
LCY17:55London City
30 Sept
LCY09:15London City
15h 58m
2 stops
SDF20:13Louisville Intl
£693

Iberia flights from Louisville to London

Our best Iberia deals on Louisville to London flight tickets
Iberia
19 Oct
SDF17:19Louisville Intl
13h 56m
1 stop
LHR12:15London Heathrow
28 Oct
LHR07:35London Heathrow
18h 00m
2 stops
SDF21:35Louisville Intl
£619
Iberia
15 Nov
SDF10:03Louisville Intl
17h 32m
1 stop
LHR08:35London Heathrow
23 Nov
LHR15:00London Heathrow
35h 39m
2 stops
SDF21:39Louisville Intl
£627
Iberia
22 Sept
SDF10:29Louisville Intl
19h 21m
1 stop
LHR10:50London Heathrow
30 Sept
LHR06:15London Heathrow
21h 18m
2 stops
SDF22:33Louisville Intl
£637

momondo Fare Finder

 
Customise your flight search to find flights from Louisville to London 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 13 August 2026.
Use the filters below to find and compare flights from Louisville to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleLondon

SDF Louisville Intl - LGW London Gatwick

SDFLGW

Louisville Intl

Thu 5/11

20:02-08:15

1 stop31h 13m

London Gatwick

Tue 17/11

10:10-15:26

2 stops34h 16m

£566

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 16/11

11:15-09:10

1 stop16h 55m

London Heathrow

Wed 18/11

06:50-17:37

2 stops15h 47m

£574

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 16/11

11:15-07:10

2 stops14h 55m

London Heathrow

Wed 18/11

06:50-18:32

2 stops16h 42m

£576

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 2/2

19:32-10:45

2 stops34h 13m

London Heathrow

Fri 5/2

08:45-22:09

2 stops18h 24m

£609

LouisvilleLondon

SDF Louisville Intl - LGW London Gatwick

SDFLGW

Louisville Intl

Thu 5/11

20:02-08:15

1 stop31h 13m

London Gatwick

Fri 13/11

12:35-15:26

2 stops31h 51m

£609

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 19/10

17:19-12:15

1 stop13h 56m

London Heathrow

Wed 28/10

07:35-21:35

2 stops18h 00m

£619

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Sun 15/11

10:03-08:35

1 stop17h 32m

London Heathrow

Mon 23/11

15:00-21:39

2 stops35h 39m

£627

LouisvilleLondon

SDF Louisville Intl - LGW London Gatwick

SDFLGW

Louisville Intl

Sun 4/10

11:44-10:40

2 stops17h 56m

London Gatwick

Fri 30/10

11:15-13:26

2 stops30h 11m

£637

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Tue 22/9

10:29-10:50

1 stop19h 21m

London Heathrow

Wed 30/9

06:15-22:33

2 stops21h 18m

£637
Fastest return journey

LouisvilleLondon

SDF Louisville Intl - LHR London Heathrow

SDFLHR

Louisville Intl

Mon 26/10

17:35-08:35

1 stop11h 00m

London Heathrow

Fri 6/11

06:15-21:37

2 stops20h 22m

£638

Flights are sorted by cheapest return 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

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 Louisville and London?

Prices are currently low for flights on this route.

Typical prices usually range from £758 to £868.
The lowest price recently found on this route was £566.

What is the cheapest month to fly to London?

The cheapest month to fly to London from Louisville is in January. Flight prices, which tend to average around £549, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Louisville averaging around £554.

How have Louisville to London flight prices changed over time?

As of August 2026, prices for Louisville to London flights are approximately 33% cheaper when compared to flights at the same time last year.

When to book flights from Louisville to London

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

Cheap Louisville to London (SDF to LON) flight deals and tips

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

Fastest flight time

10h 55m

Direct flights

None
The fastest flight from Louisville to London takes 10h 55m
There are no direct flights from Louisville to London. There are no popular flight routes from Louisville to London.
Search flight deals

Frequently asked questions about flying from Louisville to London

  • How far is Louisville Intl to London by plane?

    There are 4042.6 mi between Louisville Intl and London. By plane, this route typically takes 10h 55m.

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

    Prices for flights from Louisville Intl Airport to London are updated daily.

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

    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.

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

    The travel and health documents you'll need for your trip to London 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. 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?

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Ilford
Hastings
Canterbury
Chichester
Hayes
Guildford
Bedford
Harlow
Colchester
Chelmsford

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?

momondo does allow users to show only those flights to London from Louisville which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Louisville to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Louisville to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Louisville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport