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508 € Cheap Flights from Louisville Muhammad Ali International to London Heathrow

Compare Louisville Muhammad Ali International to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Louisville Muhammad Ali International to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Louisville Muhammad Ali International to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.508 € per passenger.Departing Wed, 26 Nov, returning Wed, 3 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Wed, 26 Nov, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Wed, 3 Dec, arriving in Louisville Muhammad Ali International.Price includes taxes and charges.From 508 €, select.
London.509 € per passenger.Departing Tue, 9 Dec, returning Tue, 16 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Tue, 9 Dec, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Tue, 16 Dec, arriving in Louisville Muhammad Ali International.Price includes taxes and charges.From 509 €, select.
London.552 € per passenger.Departing Tue, 4 Nov, returning Sun, 9 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Tue, 4 Nov, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Sun, 9 Nov, arriving in Louisville Muhammad Ali International.Price includes taxes and charges.From 552 €, select.
London.553 € per passenger.Departing Wed, 29 Oct, returning Sun, 9 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Wed, 29 Oct, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Sun, 9 Nov, arriving in Louisville Muhammad Ali International.Price includes taxes and charges.From 553 €, select.
London.565 € per passenger.Departing Thu, 1 Jan, returning Fri, 9 Jan.Return flight with Air France.Outbound indirect flight with Air France, departs from Louisville Muhammad Ali International on Thu, 1 Jan, arriving in London Heathrow.Inbound indirect flight with Air France, departs from London Heathrow on Fri, 9 Jan, arriving in Louisville Muhammad Ali International.Price includes taxes and charges.From 565 €, select.
London.582 € per passenger.Departing Sat, 14 Feb, returning Sat, 21 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Sat, 14 Feb, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Sat, 21 Feb, arriving in Louisville Muhammad Ali International.Price includes taxes and charges.From 582 €, select.
London.603 € per passenger.Departing Sat, 14 Feb, returning Sat, 7 Mar.Return flight with KLM.Outbound indirect flight with KLM, departs from Louisville Muhammad Ali International on Sat, 14 Feb, arriving in London Heathrow.Inbound indirect flight with KLM, departs from London Heathrow on Sat, 7 Mar, arriving in Louisville Muhammad Ali International.Price includes taxes and charges.From 603 €, select.
London.677 € per passenger.Departing Wed, 26 Aug, returning Sun, 6 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Louisville Muhammad Ali International on Wed, 26 Aug, arriving in London Heathrow.Inbound indirect flight with British Airways, departs from London Heathrow on Sun, 6 Sep, arriving in Louisville Muhammad Ali International.Price includes taxes and charges.From 677 €, select.

Find the cheapest month to fly from Louisville Muhammad Ali International to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Louisville Muhammad Ali International to London Heathrow flights are currently cheapest in December.
Oct
Find prices
Nov
from 552 €
Dec
from 509 €
Jan
from 565 €
Feb
from 582 €
Mar
Find prices
Apr
from 1.265 €
May
from 726 €
Jun
from 1.058 €
Jul
from 751 €
Aug
Find prices
Sep
Find prices

Louisville Muhammad Ali International to London Heathrow: Alternative routes

Compare routes from Louisville Muhammad Ali International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Louisville to London: Flight information

The things to know before you go.
Cheapest flight found508 €
Cheapest month to flyNovember

Finding cheap flights from Louisville Muhammad Ali International to London Heathrow: Frequently asked questions

The best price we found for a return flight from Louisville Muhammad Ali International to London Heathrow is 508 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Louisville Muhammad Ali International to London Heathrow. But we found flights with one or more stops from 508 €.
As of October 2025, there are no flights flying from Louisville Muhammad Ali International to London Heathrow.
The cheapest month to fly from Louisville Muhammad Ali International to London Heathrow is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Louisville Muhammad Ali International Airport to London Heathrow Airport on Wednesday, 26 November 2025.
No airlines currently offer direct flights between Louisville Muhammad Ali International Airport and London Heathrow Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to London Heathrow.

Flying from Louisville International Airport-Standiford Field (SDF) to London Heathrow Airport (LHR): what you need to know

  • The timezone in London is UTC+0, which is four hours ahead of Louisville.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Show up at the airport on time to catch your SDF to LHR flight.

  • Flying during a peak month like July? Public holidays and other popular seasons can result in longer lines at airport checkpoints. Play it safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Louisville International Airport-Standiford Field to London Heathrow Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to visit your chosen city. Some great stopovers between SDF and LHR include:

    • Logan International Airport

    • O'Hare International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Louisville International Airport-Standiford Field (SDF) to London Heathrow Airport (LHR)

  • The lowest price we've found for a one-way Louisville International Airport-Standiford Field to London Heathrow Airport flight is 318 €. A return plane ticket is currently 508 €. Depending on the availability and when you book, these fares may change.

  • To get your hands on cheap tickets from SDF to LHR, book early. Airlines typically offer lower prices when flights are first released.

  • If you're flexible with your trip dates, use the 'Whole month' search function. It'll give you the lowest price across the month when searching for a flight from Louisville International Airport-Standiford Field to London Heathrow Airport.

  • Never miss a deal on cheap flights from SDF to LHR by creating a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Louisville International Airport-Standiford Field to London Heathrow Airport.

Handy information about Louisville International Airport-Standiford Field (SDF)

  • You'll find SDF at 600 Terminal Drive.

  • Of the flights that depart from Louisville International Airport-Standiford Field, 77.69% land on schedule at their destination.

  • Central Louisville to Louisville International Airport-Standiford Field is approximately 23 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Planning to take public transport? You can expect a journey time of around 2 hours 40 minutes.

  • Taking an early flight from Louisville International Airport-Standiford Field to London Heathrow Airport? Avoid rushing to the airport (and catch some extra z's) by choosing one of these stays close to SDF:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport to central London has a drive time of about 55 minutes. It's approximately 31 kilometres away.

  • It typically takes 1 hour if you're using public transport.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Louisville International Airport-Standiford Field to London Heathrow Airport is February, while July is the busiest. Pick the ideal time to visit London based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your flights from Louisville International Airport-Standiford Field to London Heathrow Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from SDF to LHR sometime around then if you like travelling in cooler conditions.

Explore more of United Kingdom

  • London has plenty going for it, but there are so many other corners of United Kingdom waiting to be explored. Around 161 kilometres north-west of London, a visit to Birmingham will keep you on the move. Start with attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • If you're interested in discovering another major stop in United Kingdom, head for Bristol, about 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are the start of reasons to visit.

Plan the rest of your trip from Louisville to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.