$47 Cheap Flights from Madrid (MAD) to London (LHR)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from Madrid to London (MAD-LHR)

Prices were available within the past 7 days and start at $47 for one-way flights and $101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
British Airways
Iberia
Iberia
Iberia
Iberia
Iberia
Brussels Airlines
Lufthansa
Swiss International Air Lines
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, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal
Roundtrip price
$101
Distance
774 mi

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 September. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $47 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 long does it take to fly from MAD to London Heathrow?
Iberia operates a direct flight taking off from Madrid–Barajas Airport at 5:25PM and touching down at LHR at 6:45PM — a flight duration of 2 hours and 20 minutes. Choose the best seat available, bring your headphones to keep you entertained and the time will race by.
Is it cheaper to buy a plane ticket from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR) last minute?
Being a spontaneous soul is an amazing way to travel the world, but it isn’t always the wisest method to score a cheap fare. It’s better to book your Madrid–Barajas Airport to Heathrow Airport trip ahead of time instead of waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. We recommend saving that spontaneity for when you arrive at your destination!
What airline has the least delays from Madrid Airport to Heathrow Airport (LHR)?
With an on-time arrival rate of 53%, British Airways is the carrier that’s more likely to get you from MAD to London Heathrow without any travel delays. Flight delays aren’t just annoying — they can also lead you to missing a connection that upends your vacation. You can stay updated about delays by reviewing your flight status through the free Expedia App long before you get to the airport. If you’re already at the terminal and you’re worried about how the disruption will affect your trip, head to your airline’s customer service desk for assistance.
What airports do you fly into for London from Madrid?
Heathrow Airport (LHR), London City Airport (LCY) and Gatwick Airport (LGW) are your options when taking off from Madrid to London. About 14 mi west of the center of London, Heathrow Airport (LHR) is the city’s principal hub. Think about factors like flight schedules and the distance to your hotel before choosing your airport. Big Ben and Buckingham Palace are two fantastic attractions to explore when you arrive at your destination.
What are the most popular departure times for flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport?
Between 5:00 PM - 6:00 PM is when you’ll find the largest number of Iberia flights going from Madrid Airport to Heathrow Airport. Our tip? Book a journey that departs in the morning. With air traffic yet to build up around airports, your chances of boarding a delay-free flight are better.
Can I change the date of my flight from Madrid--Barajas Airport to London Heathrow?
Plans don’t always work out, so Expedia is here to help make amending your flight as easy as possible. First, find your Adolfo Suarez Madrid-Barajas Airport (MAD) to Heathrow Airport (LHR) itinerary through the Expedia Trips portal and look up the fare conditions about what changes can be made. If you purchased your fare in the last 24 hours, some carriers will let you cancel without charge and organize new flights. If you bought your fare more than 24 hours ago, contact us through our Customer Service portal to see how we can help.

Explore a world of travel with Expedia

*Available to One Key members.