Cheap Flights from Madrid to London Heathrow

Compare Madrid 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 Madrid to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Madrid to London Heathrow? Find the lowest prices on one-way and return tickets right here.

London.R 812 per passenger.Departing Wed, 17 Dec.One-way flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Wed, 17 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 812, select.

London.R 814 per passenger.Departing Fri, 14 Nov.One-way flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Fri, 14 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 814, select.

London.R 814 per passenger.Departing Sun, 1 Mar.One-way flight with British Airways.Outbound direct flight with British Airways departs from Madrid on Sun, 1 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 814, select.

London.R 814 per passenger.Departing Tue, 13 Jan.One-way flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Tue, 13 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 814, select.

London.R 816 per passenger.Departing Mon, 15 Sep.One-way flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Mon, 15 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 816, select.

London.R 816 per passenger.Departing Thu, 5 Feb.One-way flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Thu, 5 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 816, select.

London.R 825 per passenger.Departing Sat, 11 Oct.One-way flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Sat, 11 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 825, select.

London.R 857 per passenger.Departing Wed, 21 May.One-way flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Wed, 21 May, arriving in London Heathrow.Price includes taxes and charges.From R 857, select.

Find the cheapest month to fly from Madrid to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Madrid to London Heathrow flights are currently cheapest in December.

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Direct flights from Madrid to London Heathrow

Madrid to London Heathrow: Alternative routes

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

Madrid to London: Flight information

The things to know before you go.

Cheapest flight found	R 812
Cheapest month to fly	December
Average flight time	2 hrs, 25 mins
Most popular airline	British Airways
Average flights per week	361

Finding cheap flights from Madrid to London Heathrow: Frequently asked questions

How much are return flights from Madrid to London Heathrow?

The best price we found for a return flight from Madrid to London Heathrow is R 1,951. 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.

How long does it take to fly from Madrid to London Heathrow?

2 hours and 25 minutes is the average flight time from Madrid to London Heathrow.

Which airlines fly direct from Madrid to London Heathrow?

British Airways, Iberia and American Airlines fly direct from Madrid to London Heathrow.

How many flights are there a week from Madrid to London Heathrow?

As of March 2025, there are 371 flights per week flying from Madrid to London Heathrow.

When is the cheapest time to fly from Madrid to London Heathrow?

The cheapest month to fly from Madrid to London Heathrow is usually March 2025.

Which upcoming date is cheapest to fly from Madrid Airport to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Madrid Airport to London Heathrow Airport on Saturday, 15 November 2025.

Can I get a direct flight from Madrid Airport to London Heathrow Airport?

Yes – the average flight time is 2 hours and 25 minutes.

How can I find the best flight deal to London Heathrow?

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.

When is the best time to book flights to London?

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.

Which is the cheapest airline to fly from Madrid Airport to London Heathrow with?

Currently, British Airways offers the cheapest flight tickets to London Heathrow.

Travelling from Adolfo Suarez Madrid-Barajas Airport (MAD) to London Heathrow Airport (LHR): what you need to know

The average duration of a direct flight from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport is 2 hours 23 minutes. London's timezone is UTC+0, which makes London 1 hour behind Madrid.
Each week, there are 279 flights from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport. If you'd like to jet off as soon as possible, go for the 06:15 British Airways flight. If you'd rather make the most of your day before flying, the latest flight from MAD to LHR is 20:55 with British Airways.
During popular months like July, you'll want to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for an international flight when you fly during a peak period in general.
Jetting into London (and then exploring more of United Kingdom!) is easy with Iberia. This popular carrier has direct flights from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport.
If you'd like to break up your flight from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport, add a stopover to your trip. Just uncheck 'Direct flights only' and find a city that appeals to you. Popular stopovers on the MAD - LHR route include:
- Charles de Gaulle Airport
- Paris Orly Airport
- Toulouse-Blagnac Airport
Before reserving your cheap ticket from MAD to LHR, check if you need a visa to enter United Kingdom. Travel document and visa requirements may differ and are updated often. For the latest information, contact the nearest embassy or consulate of the country you're travelling to.

How to find the cheapest flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to London Heathrow Airport (LHR)

The lowest price we've found for a one-way ticket from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport is R 812. For a return flight on this route, the best price is R 1,951. Depending on the availability and when you book, these fares may change.
Get cheap tickets from MAD to LHR by booking at least 3 months ahead. According to our research, that's the sweet spot for bagging a bargain.
Organise your trip for November. That's the cheapest month for tickets from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport. If you're flexible on when you fly, use the 'Whole month' tool to see the cheapest price across each month.
Sign into your online account or use the app to set up a Price Alert. We'll let you know right away if there's a better deal on this route. It doesn't take long, and it'll save you time searching for cheap tickets from MAD to LHR every day.
Tailor your flights using filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport.

Handy information about Adolfo Suarez Madrid-Barajas Airport (MAD)

The journey from central Madrid to Adolfo Suarez Madrid-Barajas Airport takes around 37 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 18 kilometres in 26 minutes or so, depending on traffic.
Catching an early flight from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels near MAD:

Arriving at London Heathrow Airport (LHR)

Consider booking a hotel near LHR if you're catching a late flight from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport. Settle into one of these accommodation options and skip the long transfer:

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport is approximately 31 kilometres from central London. With a cab or in your own car rental, the drive is around 57 minutes.
When travelling by public transport, expect a journey time of around 1 hour and 1 minute.

When to fly to London Heathrow Airport (LHR)

July is the most popular month for flights from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport. To escape the crowds, visit London in February.
Lock in your flight from Adolfo Suarez Madrid-Barajas Airport to London Heathrow Airport for July if you'd like to visit London during its warmest month. Expect temperatures of between 11ºC and 26ºC.
If you want cooler conditions, look for a cheap ticket from MAD to LHR in January. Average temperatures are between 0ºC and 9ºC then.

More about London

Start your London trip right by finding a wonderful stay. After booking your flight from MAD to LHR, browse our range of hotel options including:
Every great holiday has to include some sightseeing. Big Ben, The British Museum and Buckingham Palace are must-do's during your London adventure.
London Gatwick Airport (LGW) and Stansted Airport (STN) are alternative ways to get to or from London. Check out the range of flights and departure times. These international airports could be an easier or more budget-friendly choice depending on your travel itinerary.

Complete your London trip with hotels and a car rental

We've got more party tricks than just comparing flights. Once you've booked your cheap ticket to London Heathrow Airport, check out our car rental deals that'll give you the flexibility to travel around at your own pace. Then, take a look at our exclusive rates for hotels to find your perfect London stay.