99 € Madrid (MAD) to London Heathrow (LHR) Cheap Flights

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

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Flight deals from Madrid to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Madrid Airport to London Heathrow Airport? If you want to travel next month, return fares start from 107 €. Find the lowest prices on one-way and return tickets right here.

London.99 € per passenger.Departing Wed, 2 Dec, returning Sat, 5 Dec.Return flight with British Airways and Iberia.Outbound direct flight with British Airways departs from Madrid on Wed, 2 Dec, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Sat, 5 Dec, arriving in Madrid.Price includes taxes and charges.From 99 €, select.

London.101 € per passenger.Departing Tue, 23 Feb, returning Tue, 2 Mar.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Tue, 23 Feb, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Tue, 2 Mar, arriving in Madrid.Price includes taxes and charges.From 101 €, select.

London.101 € per passenger.Departing Sat, 24 Oct, returning Sun, 22 Nov.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Sat, 24 Oct, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Sun, 22 Nov, arriving in Madrid.Price includes taxes and charges.From 101 €, select.

London.101 € per passenger.Departing Mon, 8 Feb, returning Fri, 19 Feb.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Mon, 8 Feb, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Fri, 19 Feb, arriving in Madrid.Price includes taxes and charges.From 101 €, select.

London.101 € per passenger.Departing Wed, 27 Jan, returning Wed, 3 Feb.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Wed, 27 Jan, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Wed, 3 Feb, arriving in Madrid.Price includes taxes and charges.From 101 €, select.

London.101 € per passenger.Departing Mon, 1 Mar, returning Sat, 6 Mar.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Mon, 1 Mar, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Sat, 6 Mar, arriving in Madrid.Price includes taxes and charges.From 101 €, select.

London.101 € per passenger.Departing Sun, 20 Dec, returning Sat, 2 Jan.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Sun, 20 Dec, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Sat, 2 Jan, arriving in Madrid.Price includes taxes and charges.From 101 €, select.

London.101 € per passenger.Departing Mon, 11 Jan, returning Sun, 17 Jan.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Mon, 11 Jan, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Sun, 17 Jan, arriving in Madrid.Price includes taxes and charges.From 101 €, select.

London.101 € per passenger.Departing Wed, 18 Nov, returning Wed, 25 Nov.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Wed, 18 Nov, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Wed, 25 Nov, arriving in Madrid.Price includes taxes and charges.From 101 €, select.

London.101 € per passenger.Departing Tue, 24 Nov, returning Tue, 1 Dec.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Tue, 24 Nov, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Tue, 1 Dec, arriving in Madrid.Price includes taxes and charges.From 101 €, select.

London.102 € per passenger.Departing Sat, 3 Apr, returning Sat, 10 Apr.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Sat, 3 Apr, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Sat, 10 Apr, arriving in Madrid.Price includes taxes and charges.From 102 €, select.

London.102 € per passenger.Departing Sat, 27 Mar, returning Thu, 1 Apr.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Sat, 27 Mar, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Thu, 1 Apr, arriving in Madrid.Price includes taxes and charges.From 102 €, select.

London.102 € per passenger.Departing Sat, 5 Jun, returning Sat, 12 Jun.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Sat, 5 Jun, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Sat, 12 Jun, arriving in Madrid.Price includes taxes and charges.From 102 €, select.

London.102 € per passenger.Departing Thu, 20 May, returning Mon, 24 May.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Thu, 20 May, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Mon, 24 May, arriving in Madrid.Price includes taxes and charges.From 102 €, select.

London.102 € per passenger.Departing Fri, 25 Dec, returning Wed, 3 Feb.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Fri, 25 Dec, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Wed, 3 Feb, arriving in Madrid.Price includes taxes and charges.From 102 €, select.

London.102 € per passenger.Departing Fri, 29 Jan, returning Thu, 1 Apr.Return flight with Iberia.Outbound direct flight with Iberia departs from Madrid on Fri, 29 Jan, arriving in London Heathrow.Inbound direct flight with Iberia departs from London Heathrow on Thu, 1 Apr, arriving in Madrid.Price includes taxes and charges.From 102 €, 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	99 €
Cheapest month to fly	December
Average flight time	2 hrs, 27 mins
Most popular airline	British Airways
Average flights per week	609

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 99 €. 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 27 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 July 2026, there are 661 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 December.

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 Wednesday, 2 December 2026.

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

Yes – the average flight time is 2 hours and 27 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 Madrid Airport (MAD) to London Heathrow Airport (LHR): what you need to know

Jump on a direct flight from Madrid Airport to London Heathrow Airport and you'll be travelling for an average of 2 hours 25 minutes.
London's timezone is UTC+0, which makes London one hour behind Madrid.
Every week, there are 93 Madrid Airport to London Heathrow Airport flights. If you prefer to get going as early as possible, take the 06:55 Iberia flight. If you're eager to make the most of your time before flying, the last flight is at 21:15 with British Airways.
Get to the airport on time so you don't miss your MAD to LHR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
You'll likely experience longer lines in popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a wise move.
Jetting into London (and then seeing more of the United Kingdom!) is a cinch with Iberia. This popular carrier has direct flights from Madrid Airport to London Heathrow Airport.
Iberia is the airline most travellers choose to fly with on this route.
With an impressive 81.52% of services arriving as scheduled, British Airways is the most punctual carrier for MAD to LHR flights.
If you'd like to add a stop to your trip, simply deselect 'Direct flights only' when searching for your ticket from Madrid Airport to London Heathrow Airport. These are the most popular stopovers between MAD and LHR:
- Paris Charles de Gaulle Airport
- Paris Orly Airport
- Toulouse Airport

How to find the cheapest flights from Madrid Airport (MAD) to London Heathrow Airport (LHR)

The cheapest price we've seen for a one-way Madrid Airport to London Heathrow Airport flight is 42 €. A round-trip fare right now is 99 €. Depending on the availability when you book, these fares can change.
Book six months before your departure date. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from MAD to LHR.
Schedule your trip for November. That's the cheapest month for flights from Madrid Airport to London Heathrow Airport. If you're flexible with your dates, use the 'Whole month' tool to see the cheapest price across each month.
You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll update you the moment there's a new deal on cheap flights from MAD to LHR.
Select your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Madrid Airport to London Heathrow Airport.

Handy information about Madrid Airport (MAD)

77% of flights that depart Madrid Airport touch down at their destination on time.
Central Madrid to Madrid Airport is around 13 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a taxi or driving.
You can expect a journey time of around 30 minutes on public transport.
Get your break off to a leisurely start by staying near MAD. Whether you're catching an early flight from Madrid Airport to London Heathrow Airport or just don't like being rushed, these stays are the answer:

Arriving at London Heathrow Airport (LHR)

The last thing you need is a long journey to your hotel if you're landing late on a Madrid Airport to London Heathrow Airport flight. Check in to one of these accommodation options near LHR instead:
Grab a London Heathrow Airport rental car and discover London and beyond with your own set of wheels. Surprice, U-Save and Green Motion are popular outlets you can book with here.
Reserving your vehicle from London Heathrow Airport about one week ahead gives you the best chance of locking in a great deal.

When to fly to London Heathrow Airport (LHR)

It's time to choose your dates for your flight from Madrid Airport to London Heathrow Airport. July is the most popular month to visit London. If you like a more relaxed vibe, go in March.
The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your flights from Madrid Airport to London Heathrow Airport in this month if you enjoy this type of weather.
For cooler conditions, search for a cheap ticket from MAD to LHR in January. Temperatures average between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of the United Kingdom

Manchester is just one of the many cities in the United Kingdom waiting to be discovered after you've seen London. Around 257 kilometres away to the north-west, popular attractions include Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.
Around 161 kilometres north-west of London, Birmingham is another essential stop in the United Kingdom. No visit is complete without checking out Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.