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Cheap Flights from Louisville to London

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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 to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.$1,109 per passenger.Departing Tue, 8 Apr, returning Fri, 2 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Tue, 8 Apr, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Fri, 2 May, arriving in Louisville Muhammad Ali International .Price includes taxes and charges.From $1,109, select.
London.$1,110 per passenger.Departing Tue, 30 Sep, returning Wed, 15 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Tue, 30 Sep, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Wed, 15 Oct, arriving in Louisville Muhammad Ali International .Price includes taxes and charges.From $1,110, select.
London.$1,113 per passenger.Departing Tue, 7 Oct, returning Tue, 28 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Tue, 7 Oct, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Tue, 28 Oct, arriving in Louisville Muhammad Ali International .Price includes taxes and charges.From $1,113, select.
London.$1,113 per passenger.Departing Tue, 8 Apr, returning Wed, 16 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Tue, 8 Apr, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Wed, 16 Apr, arriving in Louisville Muhammad Ali International .Price includes taxes and charges.From $1,113, select.
London.$1,134 per passenger.Departing Sun, 23 Nov, returning Thu, 11 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Sun, 23 Nov, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Thu, 11 Dec, arriving in Louisville Muhammad Ali International .Price includes taxes and charges.From $1,134, select.
London.$1,146 per passenger.Departing Wed, 12 Mar, returning Wed, 2 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Wed, 12 Mar, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Wed, 2 Apr, arriving in Louisville Muhammad Ali International .Price includes taxes and charges.From $1,146, select.
London.$1,180 per passenger.Departing Mon, 24 Mar, returning Mon, 31 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Mon, 24 Mar, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Mon, 31 Mar, arriving in Louisville Muhammad Ali International .Price includes taxes and charges.From $1,180, select.
London.$1,191 per passenger.Departing Fri, 2 May, returning Fri, 9 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Louisville Muhammad Ali International on Fri, 2 May, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Fri, 9 May, arriving in Louisville Muhammad Ali International .Price includes taxes and charges.From $1,191, 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.
Mar
from $1,175
Apr
from $1,108
May
from $1,186
Jun
from $1,789
Jul
from $2,136
Aug
from $2,272
Sep
from $1,246
Oct
from $1,108
Nov
from $1,218
Dec
Find prices
Jan
Find prices
Feb
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 found$1,109
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 $1,109. 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 $1,109.
As of March 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 March 2025.
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, 8 April 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

  • Flying over a peak time such as July? Major public holidays and other popular periods can lead to longer queues at checkpoints. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

  • We make it simple to book a flight with a stopover. To look at your options for flights from Louisville International Airport-Standiford Field to London Heathrow Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Popular stopovers between SDF and LHR include:

    • Charlotte Douglas International Airport

    • Logan International Airport

    • O'Hare International Airport

  • Remember, you might need a visa to enter United Kingdom. Visa requirements can differ and travel documentation requirements change often. Before reserving your cheap ticket from SDF to LHR, be sure to check with your carrier and your destination country's local embassy or consulate for current information.

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 ticket from Louisville International Airport-Standiford Field to London Heathrow Airport is $758. For a return flight on this route, the best price is $1,109. Depending on the availability when you book, these fares could change.

  • Don't leave things to the last moment. You're more likely to get cheap flight tickets from SDF to LHR if you book early. Airlines often have some fantastic early bird rates.

  • The 'Whole month' tool shows you the cheapest tickets from Louisville International Airport-Standiford Field to London Heathrow Airport across every month. It's an easy way to find a bargain if your travel dates aren't set in stone.

  • Create a Price Alert for cheap flight tickets from SDF to LHR. You don't need to check every day to find out if airfares have fallen. We'll update you the moment the price changes.

  • Use filters to tailor your flights from Louisville International Airport-Standiford Field to London Heathrow Airport. Simply enter your ideal departure and arrival times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to see the best deals.

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

  • Louisville International Airport-Standiford Field is about 23 kilometres from central Louisville. If you're driving, ride-sharing or catching a cab from the centre, it'll take 24 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 2 hours and 41 minutes.

  • Booked an early flight from Louisville International Airport-Standiford Field to London Heathrow Airport? Avoid rushing to the airport (and sneak in some extra snooze time) by picking one of these stays near SDF:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is approximately 31 kilometres from the centre of London. With a car rental or if you're catching a cab, the drive is about 57 minutes.

  • When travelling on public transport, expect a journey of around 1 hour and 1 minute.

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 most popular. Pick the best time to go to London based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your flight from Louisville International Airport-Standiford Field to London Heathrow Airport, consider the type of weather you like. July is the warmest month in London, with the temperature ranging from 11ºC to 26ºC.

  • Look for cheap flight tickets from SDF to LHR in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

More about London

Complete your London trip with hotels and a car rental

  • We've got more party tricks up our sleeve than just comparing flights. After booking your cheap ticket to London Heathrow Airport, browse our great car rental deals that'll give you the flexibility to see the sights at your own pace. Next, take a look at our exclusive rates for hotels to find the perfect London stay.

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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.