SDF - LHR

£242 Find Cheap Flights from Louisville to London Heathrow Airport – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Heathrow departing on 18/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
£644
Typical prices: £470-£637
Iberia
Sun 8/11Wed 18/11
SDF - LHR • 1 stop
Cheapest one-way flight
£242
British Airways
Wed 18/11
SDF - LHR • 1 stop
Direct flights
Not available
There are currently no direct flights between Louisville and Heathrow. You’ll need at least 1 connection.
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Top stopover airports
Cheapest • Avg £596 (return)
Shortest trip • 10h 49m (one-way)
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When to travel
Cheapest • 33% price drop
Most popular
Good to know
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Flight Deals

Cheap Flights from Louisville to Heathrow (SDF-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Louisville to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Louisville to Heathrow

Sun, 8 Nov - Wed, 18 Nov
Iberia Logo
10:26 - 08:35
SDF
-
LHR
17h 09m
1 stop
Iberia Logo
06:15 - 21:35
LHR
-
SDF
20h 20m
2 stops
£644Iberia
Tue, 22 Sep - Wed, 30 Sep
British Airways Logo
14:47 - 06:50
SDF
-
LHR
11h 03m
1 stop
British Airways Logo
07:50 - 23:22
LHR
-
SDF
20h 32m
2 stops
£659British Airways
Tue, 22 Sep - Thu, 1 Oct
United Airlines Logo
15:35 - 11:35
SDF
-
LHR
15h 00m
1 stop
United Airlines Logo
06:50 - 17:40
LHR
-
SDF
15h 50m
2 stops
£662United Airlines
Tue, 22 Sep - Thu, 1 Oct
United Airlines Logo
10:45 - 06:30
SDF
-
LHR
14h 45m
2 stops
United Airlines Logo
06:50 - 17:40
LHR
-
SDF
15h 50m
2 stops
£664United Airlines
Mon, 21 Sep - Fri, 2 Oct
British Airways Logo
10:29 - 07:40
SDF
-
LHR
16h 11m
1 stop
British Airways Logo
16:25 - 10:46
LHR
-
SDF
23h 21m
1 stop
£665British Airways
Mon, 21 Sep - Fri, 2 Oct
British Airways Logo
12:38 - 06:55
SDF
-
LHR
13h 17m
1 stop
British Airways Logo
09:15 - 17:14
LHR
-
SDF
12h 59m
1 stop
£666British Airways
Tue, 22 Sep - Wed, 30 Sep
Air Canada Logo
10:23 - 06:30
SDF
-
LHR
15h 07m
2 stops
Air Canada Logo
12:40 - 23:49
LHR
-
SDF
40h 09m
2 stops
£668Air Canada
Tue, 22 Sep - Wed, 30 Sep
Multiple Airlines Logo
10:45 - 06:30
SDF
-
LHR
14h 45m
2 stops
Multiple Airlines Logo
11:30 - 23:59
LHR
-
SDF
17h 29m
2 stops
£672Multiple Airlines
Tue, 22 Sep - Thu, 1 Oct
Iberia Logo
14:47 - 10:35
SDF
-
LHR
14h 48m
2 stops
Iberia Logo
14:25 - 22:33
LHR
-
SDF
13h 08m
1 stop
£674Iberia
Mon, 21 Sep - Fri, 2 Oct
United Airlines Logo
11:00 - 06:45
SDF
-
LHR
14h 45m
1 stop
United Airlines Logo
09:30 - 19:11
LHR
-
SDF
14h 41m
2 stops
£686United Airlines
Booking Insights

KAYAK’s insights & trends for Louisville to Heathrow flights

Get data-powered insights and trends into flights from Louisville to Heathrow to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Louisville to London Heathrow Airport?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Louisville to London Heathrow Airport departing in November.

What is the cheapest month to fly from Louisville to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Louisville to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Louisville to London Heathrow Airport is February, where tickets cost £473 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is £1,009 and £955 respectively.

Good to know - Cheap tickets from Louisville to London Heathrow Airport

Low seasonJanuary
Cheapest flight£242
Best time to beat the crowds (31% less expensive on average)
Most popular time to fly (17% more expensive on average)
Flight from Louisville to London Heathrow Airport

When to book flights from Louisville to Heathrow

Are your dates flexible? Find out the best times to travel from Louisville to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Louisville to London Heathrow Airport flights

  • What is the cheapest flight from Louisville to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Louisville to London Heathrow Airport was £242 for a one-way ticket and £644 for a return.

  • Which aircraft models fly most regularly from Louisville to London Heathrow Airport?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Louisville to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Louisville to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Louisville is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Louisville to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Louisville with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Louisville to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Louisville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Louisville to Heathrow

Information on your arrival and departure airports