Question 1

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

Accepted Answer

In the last 3 days, the lowest price for a flight from Louisville to London Heathrow Airport was £243 for a one-way ticket and £616 for a return. <a href='/flight-routes/Louisville-Standiford-Field-SDF/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

The cheapest month for flights from Louisville to London Heathrow Airport is February, where tickets cost £455 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is £955 and £936 respectively.

Question 4

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

Accepted Answer

The cheapest month for flights from Louisville to London Heathrow Airport is February, where tickets cost £455 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is £955 and £936 respectively.

Question 5

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

Accepted Answer

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. <a href='/flight-routes/Louisville-Standiford-Field-SDF/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 6

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?

Accepted Answer

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. <a href='/flight-routes/Louisville-Standiford-Field-SDF/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 7

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

Accepted Answer

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. <a href='/flight-routes/Louisville-Standiford-Field-SDF/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 8

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

Accepted Answer

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. <a href='/flight-routes/Louisville-Standiford-Field-SDF/London-Heathrow-LHR'>Visit our flight page for the latest deals!>/a>

Question 9

What is the cheapest stopover airport when flying from Louisville to London Heathrow Airport?

Accepted Answer

Flights via Atlanta (ATL) offer the most affordable fares, with an average price of £584 for a return.

Question 10

What is the most popular stopover airport when flying from Louisville to London Heathrow Airport?

Accepted Answer

Newark (EWR) is the top choice – 50% of KAYAK users who clicked on one-stop flights from Louisville to London Heathrow Airport picked an itinerary connecting there.

Question 11

Which stopover airport has the quickest connection when flying from Louisville to London Heathrow Airport?

Accepted Answer

If you prefer a quick connection, Atlanta (ATL) often has the shortest stopovers from Louisville to London Heathrow Airport, with an average time of 1h 18m.

Question 12

Which stopover airport offers the shortest total travel time from Louisville to London Heathrow Airport?

Accepted Answer

Consider flying via Atlanta (ATL) for the shortest journey. The average one-way travel time for flights connecting there is 10h 49m.

Question 13

Which airlines provide the cheapest flights from Louisville to London Heathrow Airport?

Accepted Answer

In the past 3 days, the cheapest return tickets from Louisville to London Heathrow Airport were found on United Airlines (£616) and Lufthansa (£627).

Question 14

Which airlines provide the cheapest flights from Louisville to London Heathrow Airport?

Accepted Answer

In the past 3 days, the cheapest return tickets from Louisville to London Heathrow Airport were found on United Airlines (£616) and Lufthansa (£627).

Question 15

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

Accepted Answer

To get a below average price on the flight from Louisville to London Heathrow Airport, you should book around 2 weeks before departure, which saves you about 39% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Question 16

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

Accepted Answer

To get a below average price on the flight from Louisville to London Heathrow Airport, you should book around 2 weeks before departure, which saves you about 39% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Question 17

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

Accepted Answer

Flight prices are below average for this route right now.Flights to London Heathrow Airport from Louisville usually cost between £940 and £560 in September.
The lowest price found in the past 3 days was £616 on United Airlines (29 Sept-1 Oct).

Low season	January
High season	July
Cheapest flight	£243

SDF - LHR

£243 Find Cheap Flights from Louisville to London Heathrow Airport

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

Everything you should know

Cheap Flights from Louisville to Heathrow (SDF-LHR)

Recent return flight deals from Louisville to Heathrow

Recent one-way flight deals from Louisville to Heathrow

Recent last minute flight deals from Louisville to Heathrow

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?

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

The cheapest month for flights from Louisville to London Heathrow Airport is February, where tickets cost £455 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is £955 and £936 respectively.

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

To get a below average price on the flight from Louisville to London Heathrow Airport, you should book around 2 weeks before departure, which saves you about 39% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

Which airlines provide the cheapest flights from Louisville to London Heathrow Airport?

In the past 3 days, the cheapest return tickets from Louisville to London Heathrow Airport were found on United Airlines (£616) and Lufthansa (£627).

What is the most popular stopover airport when flying from Louisville to London Heathrow Airport?

Newark (EWR) is the top choice – 50% of KAYAK users who clicked on one-stop flights from Louisville to London Heathrow Airport picked an itinerary connecting there.

What is the cheapest stopover airport when flying from Louisville to London Heathrow Airport?

Flights via Atlanta (ATL) offer the most affordable fares, with an average price of £584 for a return.

Which stopover airport offers the shortest total travel time from Louisville to London Heathrow Airport?

Consider flying via Atlanta (ATL) for the shortest journey. The average one-way travel time for flights connecting there is 10h 49m.

Which stopover airport has the quickest connection when flying from Louisville to London Heathrow Airport?

If you prefer a quick connection, Atlanta (ATL) often has the shortest stopovers from Louisville to London Heathrow Airport, with an average time of 1h 18m.

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

When to book flights from Louisville to Heathrow

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 £243 for a one-way ticket and £616 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

Cabin class types available on flights to Heathrow

Complete your trip to London with a hotel stay or car hire

Find direct flights to and from Louisville and Heathrow

Flights to other popular destinations

Flights from domestic origins to Heathrow

Choose which airport to fly into in London

Find deals for your return flight