$40 Cheap Flights from Madrid (MAD) to London (LHR)

View $40 flight on Sat, Feb 7, 2026Opens in a new window

Popular airlines from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR)

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Cheap Flights from Madrid to London (MAD-LHR)

Prices were available within the past 7 days and start at $40 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Dec 17 - Sat, Jan 3
MAD
Madrid
LHR
London
$100 Roundtrip, found 3 days ago
$100
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Dec 17 from Madrid to London, returning Sat, Jan 3, priced at $100 found 3 days ago
Iberia
Thu, Dec 25 - Sun, Jan 4
MAD
Madrid
LHR
London
$105 Roundtrip, found 2 days ago
$105
Roundtrip
found 2 days ago
Select Iberia flight, departing Thu, Dec 25 from Madrid to London, returning Sun, Jan 4, priced at $105 found 2 days ago
Iberia
Tue, Dec 16 - Sun, Jan 4
MAD
Madrid
LHR
London
$105 Roundtrip, found 16 hours ago
$105
Roundtrip
found 16 hours ago
Select Iberia flight, departing Tue, Dec 16 from Madrid to London, returning Sun, Jan 4, priced at $105 found 16 hours ago
British Airways
Mon, Dec 22 - Wed, Jan 7
MAD
Madrid
LHR
London
$108 Roundtrip, found 2 days ago
$108
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Dec 22 from Madrid to London, returning Wed, Jan 7, priced at $108 found 2 days ago
Iberia
Tue, Feb 17 - Sat, Feb 21
MAD
Madrid
LHR
London
$110 Roundtrip, found 3 days ago
$110
Roundtrip
found 3 days ago
Select Iberia flight, departing Tue, Feb 17 from Madrid to London, returning Sat, Feb 21, priced at $110 found 3 days ago
British Airways
Tue, Feb 17 - Fri, Feb 20
MAD
Madrid
LHR
London
$111 Roundtrip, found 6 days ago
$111
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Feb 17 from Madrid to London, returning Fri, Feb 20, priced at $111 found 6 days ago
British Airways
Thu, Feb 12 - Fri, Feb 20
MAD
Madrid
LHR
London
$112 Roundtrip, found 2 hours ago
$112
Roundtrip
found 2 hours ago
Select British Airways flight, departing Thu, Feb 12 from Madrid to London, returning Fri, Feb 20, priced at $112 found 2 hours ago
Brussels Airlines
Thu, Jan 1 - Sun, Jan 4
MAD
Madrid
LHR
London
$209 Roundtrip, found 15 hours ago
$209
Roundtrip
found 15 hours ago
Select Brussels Airlines flight, departing Thu, Jan 1 from Madrid to London, returning Sun, Jan 4, priced at $209 found 15 hours ago
Swiss International Air Lines
Wed, Jan 14 - Sun, Jan 18
MAD
Madrid
LHR
London
$214 Roundtrip, found 6 hours ago
$214
Roundtrip
found 6 hours ago
Select Swiss International Air Lines flight, departing Wed, Jan 14 from Madrid to London, returning Sun, Jan 18, priced at $214 found 6 hours ago
Lufthansa
Fri, Mar 6 - Mon, Mar 9
MAD
Madrid
LHR
London
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Mar 6 from Madrid to London, returning Mon, Mar 9, priced at $218 found 2 days ago

Find the cheapest month to fly from Madrid (MAD) to London (LHR)

February is typically the cheapest month to fly

From $103 - $195 per traveler.

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $147
LGW
Gatwick
Average driving time to city center52 min
Flights from $147
Select flight to Luton LTN. Average driving time to city center is 45 minutes. Flights from $154
LTN
Luton
Average driving time to city center45 min
Flights from $154
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $319
LCY
London City
Closest
Average driving time to city center21 min
Flights from $319
Flights from Madrid (MAD) to London (LHR)
Origin airport
Adolfo Suárez Madrid-Barajas
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air France, British Airways, Brussels Airlines, ITA Airways, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal
Roundtrip price
$100
Distance
774 mi
Average flight time
1 hour 26 mins

Madrid to London Flights

The cheapest times to fly from Madrid to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Madrid to London are during the month of December. You can find some of the cheapest flights from Madrid to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Madrid to London

Sunday is one of the best days to book for cheap flights from Madrid to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Madrid to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Madrid to London in 2026. You can also book with separate airlines for your outbound and return journeys, from $40 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Madrid to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Madrid to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR) cost?
Get a cheap one-way flight from $40 or cheap return flight from $100 from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR)?
The cheapest month to fly from MAD to LHR is December, when there's less demand. Off-peak months are generally when airlines offer better prices between these airports.
Which airlines fly direct from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR)?
Catch a nonstop flight with Iberia and travel straight from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR).
What is the cheapest airline that flies from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR)?
While prices can change depending on when you travel, low-cost airlines like LATAM Airlines and Vueling are generally the cheapest options for flights between Adolfo Suarez Madrid-Barajas Airport (MAD) and Heathrow Airport (LHR). Use Expedia's filter tool to compare carriers and find the one that offers the best deal for your MAD to LHR flight.
How many flights per day from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR)?
With, on average, 13 nonstop flights departing from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR) every day, you'll be up in the air in no time.
What are the most popular departure times for flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR)?
More passengers fly between MAD and LHR at 3 PM than at any other time. Rather skip the crowds? Consider flying outside peak hours and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from MAD to LHR?
Sunday offers the most flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR). Consider leaving on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR)?
Adolfo Suarez Madrid-Barajas Airport (MAD)'s earliest flight to Heathrow Airport (LHR) leaves at approximately 6:55AM UTC+1. With a flight time of 2h 30m, you'll touch down at around 8:25AM UTC+0.
How long does it take to fly from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR)?
It takes around 2 hours and 29 minutes to travel the 780 mi from MAD to LHR.
What airline has the least delays from MAD to LHR?
Consider traveling with American Airlines if you'd like to go straight from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR) without any delays. This carrier has the strongest track record for punctuality, with an on-time performance of 88%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR)?
To avoid possible delays on the Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR) route, aim to travel before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Adolfo Suarez Madrid-Barajas Airport (MAD)?
Touch down at any one of these London airports after your direct flight from Adolfo Suarez Madrid-Barajas Airport (MAD):

  • Heathrow Airport (LHR)
  • Gatwick Airport (LGW)
  • Stansted Airport (STN)

Is it cheaper to buy a plane ticket from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR) last-minute?
Waiting until right before your break to book a flight from MAD to LHR often results in higher prices. While you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a MAD to LHR flight and hotel package?
Securing a MAD to LHR flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR)?
If you reserved your MAD to LHR flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.