Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to London from $287

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 3/29. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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 Louisville to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:35 pm - 12:50 pm
SDF
-
LHR
17h 15m
2 stops
Lufthansa Logo
8:30 am - 11:59 pm
LHR
-
SDF
20h 29m
2 stops
$629Lufthansa
Tue, Feb 24 - Tue, Mar 3
United Airlines Logo
2:05 pm - 5:55 am
SDF
-
LHR
10h 50m
1 stop
United Airlines Logo
6:50 am - 10:13 pm
LHR
-
SDF
20h 23m
2 stops
$630United Airlines
Tue, Feb 24 - Tue, Mar 3
American Airlines Logo
7:00 am - 6:50 am
SDF
-
LGW
18h 50m
2 stops
American Airlines Logo
12:20 pm - 12:25 am
LGW
-
SDF
17h 05m
2 stops
$641American Airlines
Wed, Apr 1 - Wed, Apr 15
Multiple Airlines Logo
8:47 am - 6:30 am
SDF
-
LHR
16h 43m
2 stops
Multiple Airlines Logo
10:50 am - 10:30 pm
LHR
-
SDF
16h 40m
2 stops
$644Multiple Airlines
Wed, Apr 1 - Wed, Apr 15
Delta Logo
1:56 pm - 6:45 am
SDF
-
LHR
11h 49m
1 stop
Delta Logo
6:30 am - 4:01 pm
LHR
-
SDF
14h 31m
2 stops
$646Delta
Wed, Apr 1 - Wed, Apr 15
British Airways Logo
4:27 pm - 12:50 pm
SDF
-
LHR
15h 23m
1 stop
British Airways Logo
7:25 pm - 9:28 pm
LHR
-
SDF
31h 03m
2 stops
$647British Airways
Wed, Apr 8 - Mon, Apr 13
Delta Logo
8:05 am - 6:45 am
SDF
-
LHR
17h 40m
1 stop
Delta Logo
6:30 am - 4:01 pm
LHR
-
SDF
14h 31m
2 stops
$649Delta
Wed, Apr 1 - Wed, Apr 15
Multiple Airlines Logo
12:03 pm - 10:00 am
SDF
-
LGW
16h 57m
1 stop
Multiple Airlines Logo
2:00 pm - 2:38 pm
LGW
-
SDF
29h 38m
2 stops
$650Multiple Airlines
Wed, Apr 1 - Wed, Apr 15
Delta Logo
5:55 pm - 1:05 pm
SDF
-
LHR
14h 10m
2 stops
Delta Logo
6:30 am - 4:01 pm
LHR
-
SDF
14h 31m
2 stops
$653Delta
Wed, Apr 1 - Wed, Apr 15
British Airways Logo
4:59 pm - 9:15 am
SDF
-
LHR
11h 16m
1 stop
British Airways Logo
2:45 pm - 12:13 am
LHR
-
SDF
14h 28m
1 stop
$656British Airways
Tue, Feb 24 - Tue, Mar 3

Lufthansa flights from Louisville to London

Our best Lufthansa deals on Louisville to London flight tickets
Lufthansa
Feb 24
SDF2:35 pmLouisville Intl
17h 15m
2 stops
LHR12:50 pmLondon Heathrow
Mar 3
LHR8:30 amLondon Heathrow
20h 29m
2 stops
SDF11:59 pmLouisville Intl
$629
Lufthansa
Feb 19
SDF1:50 pmLouisville Intl
15h 55m
2 stops
LHR10:45 amLondon Heathrow
Feb 26
LHR8:45 amLondon Heathrow
20h 14m
2 stops
SDF11:59 pmLouisville Intl
$723
Lufthansa
May 11
SDF7:20 pmLouisville Intl
18h 20m
2 stops
LHR6:40 pmLondon Heathrow
May 25
LHR7:10 pmLondon Heathrow
31h 59m
2 stops
SDF10:09 pmLouisville Intl
$786

United Airlines flights from Louisville to London

Our best United Airlines deals on Louisville to London flight tickets
United Airlines
Feb 24
SDF2:05 pmLouisville Intl
10h 50m
1 stop
LHR5:55 amLondon Heathrow
Mar 3
LHR6:50 amLondon Heathrow
20h 23m
2 stops
SDF10:13 pmLouisville Intl
$630
United Airlines
Feb 3
SDF2:05 pmLouisville Intl
16h 10m
1 stop
LHR11:15 amLondon Heathrow
Feb 10
LHR6:50 amLondon Heathrow
18h 38m
2 stops
SDF8:28 pmLouisville Intl
$697
United Airlines
Apr 9
SDF9:07 amLouisville Intl
18h 23m
1 stop
LHR8:30 amLondon Heathrow
Apr 14
LHR10:50 amLondon Heathrow
16h 40m
2 stops
SDF10:30 pmLouisville Intl
$699

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 29, 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

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 2/24

2:35 pm-12:50 pm

2 stops17h 15m

London Heathrow

Tue 3/3

8:30 am-11:59 pm

2 stops20h 29m

$629

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 2/24

2:05 pm-5:55 am

1 stop10h 50m

London Heathrow

Tue 3/3

6:50 am-10:13 pm

2 stops20h 23m

$630

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Wed 4/1

7:00 am-6:50 am

2 stops18h 50m

London Gatwick

Wed 4/15

12:20 pm-12:25 am

2 stops17h 05m

$641

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 4/1

8:47 am-6:30 am

2 stops16h 43m

London Heathrow

Wed 4/15

10:50 am-10:30 pm

2 stops16h 40m

$644

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 4/1

1:56 pm-6:45 am

1 stop11h 49m

London Heathrow

Wed 4/15

6:30 am-4:01 pm

2 stops14h 31m

$646

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 4/8

4:27 pm-12:50 pm

1 stop15h 23m

London Heathrow

Mon 4/13

7:25 pm-9:28 pm

2 stops31h 03m

$647

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 4/1

8:05 am-6:45 am

1 stop17h 40m

London Heathrow

Wed 4/15

6:30 am-4:01 pm

2 stops14h 31m

$649

LouisvilleLondon

SDF - LGW

SDFLGW

Louisville Intl

Wed 4/1

12:03 pm-10:00 am

1 stop16h 57m

London Gatwick

Wed 4/15

2:00 pm-2:38 pm

2 stops29h 38m

$650

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 4/1

5:55 pm-1:05 pm

2 stops14h 10m

London Heathrow

Wed 4/15

6:30 am-4:01 pm

2 stops14h 31m

$653

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 2/24

4:59 pm-9:15 am

1 stop11h 16m

London Heathrow

Tue 3/3

2:45 pm-12:13 am

1 stop14h 28m

$656

Flights are sorted by cheapest round-trip 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

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?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Louisville is in October. Flight prices, which tend to average around $696, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Louisville averaging around $702.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $897 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Louisville for as low as $686 on momondo.

Can stopping save me money on Louisville to London flights?

You could potentially save up to 50% on your flight if you consider stops on a Louisville to London flight.

How have Louisville to London flight prices changed over time?

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 round-trip 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 11m

Direct flights

None
The fastest flight from Louisville to London takes 10h 11m
There are no direct flights from Louisville to London. There are no popular flight routes from Louisville to London.
Search flight deals

  • How far is Louisville Intl to London by plane?

    The straight-line distance from Louisville Intl to London is 4042.6 mi. In terms of flight time, this usually takes a little over 10h 11m.

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

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

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

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

    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.

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

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Louisville to London

Compare and see reviews for airlines that fly from Louisville to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $589Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $598Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $617Free CancellationRating
7.9
8,127 reviews
Search Delta flights
American AirlinesPriceFrom $665Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
United AirlinesPriceFrom $678Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Croydon
Richmond

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. 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 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?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Louisville and alert you when they change.

An easier way to manage your London trip

We make it super easy to schedule, organize 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
Sat 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

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