Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to London from $330

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 9/15. 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.

Find the cheapest flights from Louisville to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
7:07 pm - 10:50 am
SDF
-
LHR
10h 43m
1 stop
Iberia Logo
6:15 am - 10:58 pm
LHR
-
SDF
21h 43m
2 stops
$867Iberia
Wed, Sep 9 - Tue, Sep 22
Virgin Atlantic Logo
12:53 pm - 7:15 am
SDF
-
LHR
13h 22m
1 stop
Virgin Atlantic Logo
12:25 pm - 10:55 pm
LHR
-
SDF
15h 30m
1 stop
$871Virgin Atlantic
Wed, Oct 14 - Wed, Oct 21
Iberia Logo
7:14 pm - 10:50 am
SDF
-
LHR
10h 36m
1 stop
Iberia Logo
7:40 pm - 10:55 pm
LHR
-
SDF
31h 15m
2 stops
$878Iberia
Tue, Oct 20 - Mon, Oct 26
British Airways Logo
2:43 pm - 10:30 am
SDF
-
LHR
14h 47m
1 stop
British Airways Logo
7:30 am - 7:13 pm
LHR
-
SDF
16h 43m
2 stops
$887British Airways
Sun, Aug 23 - Fri, Dec 4
British Airways Logo
6:11 pm - 10:30 am
SDF
-
LHR
11h 19m
1 stop
British Airways Logo
7:30 am - 9:48 pm
LHR
-
SDF
19h 18m
2 stops
$890British Airways
Sun, Aug 23 - Fri, Dec 4
British Airways Logo
6:49 am - 9:00 am
SDF
-
LHR
21h 11m
1 stop
British Airways Logo
7:25 pm - 9:26 pm
LHR
-
SDF
31h 01m
2 stops
$892British Airways
Wed, Sep 2 - Mon, Sep 7
Scandinavian Airlines Logo
3:24 pm - 5:40 pm
SDF
-
LHR
21h 16m
2 stops
Scandinavian Airlines Logo
7:30 pm - 12:02 am
LHR
-
SDF
32h 32m
2 stops
$893Scandinavian Airlines
Tue, Oct 20 - Thu, Oct 29
Multiple Airlines Logo
6:11 pm - 11:15 am
SDF
-
LHR
12h 04m
1 stop
Multiple Airlines Logo
7:50 am - 11:17 pm
LHR
-
SDF
20h 27m
2 stops
$894Multiple Airlines
Mon, Aug 17 - Tue, Aug 25
British Airways Logo
7:12 pm - 12:50 pm
SDF
-
LHR
12h 38m
1 stop
British Airways Logo
1:10 pm - 11:01 pm
LHR
-
SDF
14h 51m
1 stop
$895British Airways
Mon, Aug 17 - Tue, Aug 25
British Airways Logo
5:08 pm - 8:00 am
SDF
-
LHR
9h 52m
1 stop
British Airways Logo
2:45 pm - 11:01 pm
LHR
-
SDF
13h 16m
1 stop
$896British Airways
Wed, Aug 26 - Wed, Sep 2

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

British Airways flights from Louisville to London Heathrow Airport

Our best British Airways deals on Louisville to London Heathrow Airport flight tickets
British Airways
Aug 23
SDF2:43 pmLouisville Intl
14h 47m
1 stop
LHR10:30 amLondon Heathrow
Dec 4
LHR7:30 amLondon Heathrow
16h 43m
2 stops
SDF7:13 pmLouisville Intl
$887
British Airways
Aug 23
SDF6:11 pmLouisville Intl
11h 19m
1 stop
LHR10:30 amLondon Heathrow
Dec 4
LHR7:30 amLondon Heathrow
19h 18m
2 stops
SDF9:48 pmLouisville Intl
$890
British Airways
Sep 2
SDF6:49 amLouisville Intl
21h 11m
1 stop
LHR9:00 amLondon Heathrow
Sep 7
LHR7:25 pmLondon Heathrow
31h 01m
2 stops
SDF9:26 pmLouisville Intl
$892

Lufthansa flights from Louisville to London Heathrow Airport

Our best Lufthansa deals on Louisville to London Heathrow Airport flight tickets
Lufthansa
Aug 23
SDF7:43 pmLouisville Intl
18h 57m
2 stops
LHR7:40 pmLondon Heathrow
Dec 4
LHR7:40 amLondon Heathrow
19h 29m
2 stops
SDF10:09 pmLouisville Intl
$898
Lufthansa
Aug 23
SDF7:43 pmLouisville Intl
17h 42m
2 stops
LHR6:25 pmLondon Heathrow
Dec 4
LHR9:30 amLondon Heathrow
18h 45m
2 stops
SDF11:15 pmLouisville Intl
$910
Lufthansa
Aug 17
SDF7:43 pmLouisville Intl
17h 57m
2 stops
LHR6:40 pmLondon Heathrow
Aug 25
LHR9:30 amLondon Heathrow
14h 49m
2 stops
SDF7:19 pmLouisville Intl
$919

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to London Heathrow Airport 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 April 27, 2026.
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 round-trip

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 9/9

7:07 pm-10:50 am

1 stop10h 43m

London Heathrow

Tue 9/22

6:15 am-10:58 pm

2 stops21h 43m

$867

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 10/14

12:53 pm-7:15 am

1 stop13h 22m

London Heathrow

Wed 10/21

12:25 pm-10:55 pm

1 stop15h 30m

$871

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 10/20

7:14 pm-10:50 am

1 stop10h 36m

London Heathrow

Mon 10/26

7:40 pm-10:55 pm

2 stops31h 15m

$878

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 8/23

2:43 pm-10:30 am

1 stop14h 47m

London Heathrow

Fri 12/4

7:30 am-7:13 pm

2 stops16h 43m

$887

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Sun 8/23

6:11 pm-10:30 am

1 stop11h 19m

London Heathrow

Fri 12/4

7:30 am-9:48 pm

2 stops19h 18m

$890

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 9/2

6:49 am-9:00 am

1 stop21h 11m

London Heathrow

Mon 9/7

7:25 pm-9:26 pm

2 stops31h 01m

$892

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Tue 10/20

3:24 pm-5:40 pm

2 stops21h 16m

London Heathrow

Thu 10/29

7:30 pm-12:02 am

2 stops32h 32m

$893

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 8/17

6:11 pm-11:15 am

1 stop12h 04m

London Heathrow

Tue 8/25

7:50 am-11:17 pm

2 stops20h 27m

$894

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Mon 8/17

7:12 pm-12:50 pm

1 stop12h 38m

London Heathrow

Tue 8/25

1:10 pm-11:01 pm

1 stop14h 51m

$895
Quickest round-trip

LouisvilleLondon

SDF - LHR

SDFLHR

Louisville Intl

Wed 8/26

5:08 pm-8:00 am

1 stop9h 52m

London Heathrow

Wed 9/2

2:45 pm-11:01 pm

1 stop13h 16m

$896

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 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 typical price of a round-trip flight between Louisville and London Heathrow Airport?

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 $619. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from Louisville to London Heathrow Airport during January average around $645.

How far in advance should I book a flight from Louisville to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $909 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Louisville for as low as $767 on momondo.

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

You could potentially save up to 13% 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

Fastest flight time

9h 50m

Direct flights

None
The fastest flight from Louisville to London Heathrow Airport takes 9h 50m
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 9h 50m.

  • 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
Virgin AtlanticPriceFrom $577Free CancellationRating
7.4
688 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $588Free CancellationRating
7.9
8,462 reviews
Search Delta flights
British AirwaysPriceFrom $589Free CancellationRating
6.7
7,918 reviews
Search British Airways flights
American AirlinesPriceFrom $676Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
United AirlinesPriceFrom $678Free CancellationRating
7.4
9,668 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
Milton Keynes
Dover
Luton
Hayes
Stratford-upon-Avon
Crawley
Slough
Wembley
Stansted
Watford
Croydon
Uxbridge
Brentwood
Dartford
Cobham
Folkestone
Romford
Harrow

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.

An easier way to manage your London Heathrow Airport 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
Wed 5/27
Wed 6/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London