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Cheap Flights from Louisville Muhammad Ali International to London Heathrow

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      Travellers and cabin class, 1 Adult, Economy

      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

      Book the best London Heathrow fare with no extra fees

      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 Airport to London Heathrow Airport? If you want to travel next month, return fares start from R 14,377. Find the lowest prices on one-way and return tickets right here.
      London.R 5,303 per passenger.Departing Mon, 12 Apr.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Louisville Muhammad Ali International on Mon, 12 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 5,303, select.
      London.R 5,312 per passenger.Departing Mon, 23 Nov.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Louisville Muhammad Ali International on Mon, 23 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 5,312, select.
      London.R 5,341 per passenger.Departing Wed, 12 May.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Louisville Muhammad Ali International on Wed, 12 May, arriving in London Heathrow.Price includes taxes and charges.From R 5,341, select.
      London.R 6,109 per passenger.Departing Sat, 9 Jan.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Louisville Muhammad Ali International on Sat, 9 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 6,109, select.
      London.R 6,165 per passenger.Departing Fri, 12 Mar.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Louisville Muhammad Ali International on Fri, 12 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 6,165, select.
      London.R 6,173 per passenger.Departing Fri, 11 Dec.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Louisville Muhammad Ali International on Fri, 11 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 6,173, select.
      London.R 6,174 per passenger.Departing Thu, 18 Feb.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Louisville Muhammad Ali International on Thu, 18 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 6,174, select.
      London.R 6,211 per passenger.Departing Sat, 31 Oct.One-way flight with Breeze Airways.Outbound indirect flight with Breeze Airways, departs from Louisville Muhammad Ali International on Sat, 31 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 6,211, select.
      London.R 6,351 per passenger.Departing Fri, 11 Sep.One-way flight with Breeze Airways.Outbound indirect flight with Breeze Airways, departs from Louisville Muhammad Ali International on Fri, 11 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 6,351, select.
      London.R 6,381 per passenger.Departing Sun, 11 Jul.One-way flight with Air France.Outbound indirect flight with Air France, departs from Louisville Muhammad Ali International on Sun, 11 Jul, arriving in London Heathrow.Price includes taxes and charges.From R 6,381, select.
      London.R 7,756 per passenger.Departing Sun, 23 Aug.One-way flight with Breeze Airways.Outbound indirect flight with Breeze Airways, departs from Louisville Muhammad Ali International on Sun, 23 Aug, arriving in London Heathrow.Price includes taxes and charges.From R 7,756, select.
      London.R 8,492 per passenger.Departing Sun, 20 Jun.One-way flight with United.Outbound indirect flight with United, departs from Louisville Muhammad Ali International on Sun, 20 Jun, arriving in London Heathrow.Price includes taxes and charges.From R 8,492, 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 April.
      Aug
      from R 7,756
      Sep
      from R 6,351
      Oct
      from R 6,211
      Nov
      from R 5,312
      Dec
      from R 6,173
      Jan
      from R 6,109
      Feb
      from R 6,174
      Mar
      from R 6,165
      Apr
      from R 5,303
      May
      from R 5,341
      Jun
      from R 8,492
      Jul
      from R 6,381

      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.

      London City

      12km from central London
      Closest
      from R 5,693
      Search flights

      London Heathrow

      23km from central London
      from R 5,303
      Search flights

      London Gatwick

      40km from central London
      Cheapest
      from R 3,845
      Search flights

      London Luton

      45km from central London
      from R 6,120
      Search flights

      London Stansted

      49km from central London
      from R 5,172
      Search flights

      London Southend

      57km from central London
      from R 7,514
      Search flights

      Louisville to London: Flight information

      The things to know before you go.
      Cheapest flight foundR 5,303
      Cheapest month to flyApril

      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 R 13,829. 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 R 13,829.
      As of August 2026, 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 October.
      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 Tuesday, 20 October 2026.
      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, Iberia offers the cheapest flight tickets to London Heathrow.

      Travelling from Louisville Muhammad Ali International Airport (SDF) to London Heathrow Airport (LHR): what you need to know

      • London is five hours ahead of Louisville and observes the UTC+0 timezone.

      • Leave enough time to catch your SDF to LHR flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

      • During popular months such as July, you'll want to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during peak periods in general.

      • If you'd like to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Louisville Muhammad Ali International Airport to London Heathrow Airport. These are the most popular stopovers between SDF and LHR:

        • Chicago O'Hare International Airport

        • Charlotte Douglas Airport

        • Boston Logan International Airport

      How to find the cheapest flights from Louisville Muhammad Ali International Airport (SDF) to London Heathrow Airport (LHR)

      • R 5,303 is currently the best price for a one-way Louisville Muhammad Ali International Airport to London Heathrow Airport flight. A return flight starts at R 13,829. These prices may change depending on availability and demand.

      • It's a good idea to book ahead of time if you want to get cheap tickets from SDF to LHR. That's because flight prices are based on demand, which tends to rise closer to departure.

      • The 'Whole month' search function shows you the cheapest flights from Louisville Muhammad Ali International Airport to London Heathrow Airport across the entire month. It's a great way to snap up a bargain if your trip dates are flexible.

      • You don't need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll let you know the moment a special offer becomes available on cheap flights from SDF to LHR.

      • Find the right flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Louisville Muhammad Ali International Airport to London Heathrow Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

      Handy information about Louisville Muhammad Ali International Airport (SDF)

      • You'll find SDF at 600 Terminal Drive.

      • When it comes to the on-time performance of Louisville Muhammad Ali International Airport, 77% of flights arrive within the expected timeframe.

      • Louisville Muhammad Ali International Airport is around 16 kilometres from central Louisville. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

      • Catching public transport? You can expect a journey time of around 55 minutes.

      • Get your break off to a hassle-free start by staying near SDF. Whether you're boarding an early flight from Louisville Muhammad Ali International Airport to London Heathrow Airport or just don't like being rushed, these stays are perfect:

      Arriving at London Heathrow Airport (LHR)

      When to fly to London Heathrow Airport (LHR)

      • It's time to choose your dates for your flight from Louisville Muhammad Ali International Airport to London Heathrow Airport. July is the busiest month to visit London. If you want a more laid-back vibe, go in March.

      • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your flights from Louisville Muhammad Ali International Airport to London Heathrow Airport in this month if you enjoy this type of weather.

      • Look for cheap tickets from SDF to LHR in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

      Explore more of the United Kingdom

      • You've done London, now it's time to explore other corners of the United Kingdom. Journey about 257 kilometres north-west to Manchester to check off its top attractions. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, there's plenty to keep you on the go.

      • Birmingham is another essential stop in the United Kingdom and is around 161 kilometres north-west of London. No trip is complete without seeing Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.

      Plan the rest of your trip from Louisville to London

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.