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$75+ Cheap flights from Madrid, Spain (MAD) to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — LHR
Jul 16 — Jul 231
Wed 7/16
Wed 7/23
1 adult, Economy
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Cheapflights Tip: The best prices from Madrid Barajas to London Heathrow are usually found in November or March, booked 60 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Madrid to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 11, 2025.

Round-trip from

$134
(British Airways)

One-way from

$75
(Vueling Global)

Popular in

April

Cheapest in

November

Average price

$306

Good round-trip deal

$237 or less

Good one-way deal

$134 or less
From Madrid Barajas to London Heathrow
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One-way flight from Madrid Barajas to London Heathrow
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Highest demand for flights based on searches. 9% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Madrid Barajas to London Heathrow.
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Price to beat on a one-way flight from Madrid Barajas to London Heathrow.
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Find flight deals from Madrid to Heathrow

Cheapest flights from Madrid to Heathrow
Explore the most affordable flight options available from Madrid to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

This British Airways deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:45 amMAD - LHR
Nonstop2h 40mBritish Airways
Sun 11/1611:25 amLHR - MAD
Nonstop2h 25mBritish Airways
Deal found 7/10$134
This Vueling Global deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:25 amMAD - LHR
1 stop13h 40mMultiple Airlines
Mon 11/173:30 pmLHR - MAD
1 stop6h 15mMultiple Airlines
Deal found 7/10$142

Cheapflights Fare Finder

Customize your flight search to find flights from Madrid to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 11, 2025.
Use the filters below to find and compare flights from Madrid to London Heathrow Airport that are best for you.

Fly from

Madrid

Fly to

Heathrow

Route

Depart

Return

Price

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Fri 11/14

6:45 am-8:25 am

Nonstop2h 40m

London Heathrow

Sun 11/16

11:25 am-2:50 pm

Nonstop2h 25m

$134

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Tue 11/11

7:25 am-8:05 pm

1 stop13h 40m

London Heathrow

Mon 11/17

3:30 pm-10:45 pm

1 stop6h 15m

$142

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Tue 9/16

9:35 pm-9:10 am

1 stop12h 35m

$75

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Sat 9/13

8:05 am-9:30 am

Nonstop2h 25m

$76

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Wed 12/24

4:50 pm-8:50 pm

1 stop5h 00m

$105

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Fri 8/29

5:50 pm-7:05 pm

1 stop26h 15m

$109

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Fri 9/5

8:55 pm-8:55 pm

1 stop25h 00m

$110

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Mon 11/17

7:40 am-9:15 am

Nonstop2h 35m

$114

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Fri 7/25

8:10 pm-10:20 am

1 stop15h 10m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

The best insider tips for Madrid to London Heathrow Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Madrid to London Heathrow Airport trip
Airports
MAD

For a smooth departure from MAD, use automated kiosks for check-in and consider Fast Track security to avoid long lines.

Read more about MADby Lori Zaino
LHR

Upon arrival at LHR, take the Heathrow Express for the fastest route to central London, reaching Paddington Station swiftly.

Read more about LHRby Ramsey Qubein
Our travel experts
Lori Zaino

Lori Zaino

Expert on MAD

Lori Zaino

Lori Zaino

US-born but now based in Spain, Lori's visited 60 countries---and written about them for publications like CNN, Forbes, The Points Guy, NBC, and TripAdvisor. She loves combining affordable adventures with luxury travel experiences and feels equally at home salsa dancing in Colombia, sipping wine in a French castle, or backpacking through Malaysia.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Madrid to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Madrid with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Madrid to London Heathrow Airport

How far ahead should I book a flight from Madrid to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Madrid to Heathrow. Price data was last updated on June 27, 2025.

The price you pay for your flight from Madrid to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Madrid to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Madrid to London Heathrow Airport (average of $661). Flying from Madrid to London Heathrow Airport in June is currently the most expensive (average of $1,096). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MAD to LHR?

Find hourly flight availability from Madrid to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 11, 2025.

One of the essential ways to save on airfare from Madrid to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 39% on airfare.

What is the cheapest day to fly from Madrid to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Madrid to Heathrow. Price data was last updated on July 6, 2025.

Travelers seeking maximum savings on their Madrid to London Heathrow Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Madrid to London Heathrow Airport

Explore weekly flight availability from Madrid to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 11, 2025.

The most flights from MAD to LHR are scheduled on a Thursday (57 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (35 on average).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated July 11, 2025.
Read through reviews of airlines operating flights from Madrid to London Heathrow Airport, such as KLM, Brussels Airlines, and TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,372 reviews

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Brussels Airlines
7.3
Good
351 reviews
KLM
7.8
Good
1,372 reviews

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
TAP AIR PORTUGAL
7.1
Good
1,914 reviews
KLM
7.8
Good
1,372 reviews

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Iberia
7.0
Good
2,826 reviews
KLM
7.8
Good
1,372 reviews

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,109 reviews
KLM
7.8
Good
1,372 reviews

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Madrid to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Madrid to London Heathrow?

    Madrid Barajas (MAD), located 8.5 mi from the city center, is the airport you fly out of when you book flights from Madrid to London Heathrow. 2 airlines have flights from Barajas to London Heathrow on a regular basis. Booking flights from Madrid Barajas to London Heathrow should not be difficult; the airport handles an average of 42 outbound flights to London Heathrow per day.

  • What is the cheapest airline to fly from Madrid to London Heathrow Airport round-trip?

    Flying on British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at $134. British Airways is priced at 44% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Madrid to London Heathrow Airport one-way?

    The cheapest airlines for a one-way flight from Madrid to London Heathrow Airport are British Airways ($76), KLM ($105), and Air Serbia ($109).

  • What are the most reliable airlines from Madrid to London Heathrow Airport?

    The top 3 most reliable airlines when flying from Madrid to London Heathrow Airport are Vueling (84%), Iberia (83%) and British Airways (83%).

  • What are the cheapest flights from Madrid to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for $52. While the most popular route (Madrid Barajas - London Heathrow) can be booked for $122 on average our data indicates $1,583 when flying from Madrid to London Heathrow Airport.

  • Can I find deals for flights from Madrid to Heathrow that include hotel bookings?

    Yes. In addition to deals on Madrid to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Madrid to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Madrid to Heathrow.

  • Can I find deals for business class flights from Madrid to Heathrow?

    Yes. Cheapflights offers flight deals from Madrid to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Madrid to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Madrid to London Heathrow Airport (average of $661). Flying from Madrid to London Heathrow Airport in June is currently the most expensive (average of $1,096). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Madrid to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Madrid to London City flights
Madrid to Gatwick flights

Top 2 airlines flying from Madrid to Heathrow

Discover the top 2 airlines that operate flights from Madrid to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$120Average$266FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$141Average$223FlexibilityNo cancel feeOn-time70%

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