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$42+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — LHR
Feb 4 — Feb 111
Wed 2/4
Wed 2/11
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Madrid Barajas to London Heathrow are usually found in February or November, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 January 5, 2026.

This deal was found by Cheapflights users on 1/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1712:50 pmMAD - LHR
Nonstop2h 30mBritish Airways
Sat 2/211:25 pmLHR - MAD
Nonstop2h 30mBritish Airways
Deal found 1/3$107
This Kiwi.com deal was found by Cheapflights users on 1/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:45 amMAD - LHR
Nonstop2h 40mIberia
Mon 2/99:15 amLHR - MAD
Nonstop2h 25mIberia
Deal found 1/3$108
This British Airways deal was found by Cheapflights users on 1/4. 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.
Sat 2/76:05 pmMAD - LHR
Nonstop2h 20mBritish Airways
Sun 2/88:25 amLHR - MAD
Nonstop2h 30mBritish Airways
Deal found 1/4$109
This Iberia deal was found by Cheapflights users on 1/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/123:50 pmMAD - LHR
Nonstop2h 25mIberia
Sat 2/2110:45 amLHR - MAD
Nonstop2h 30mIberia
Deal found 1/5$111
This British Airways deal was found by Cheapflights users on 1/3. 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.
Tue 2/174:45 pmMAD - LHR
Nonstop2h 30mBritish Airways
Sat 2/281:25 pmLHR - MAD
Nonstop2h 30mBritish Airways
Deal found 1/3$112
This British Airways deal was found by Cheapflights users on 1/4. 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.
Thu 2/53:05 pmMAD - LHR
Nonstop2h 30mBritish Airways
Sat 2/77:30 amLHR - MAD
Nonstop2h 30mBritish Airways
Deal found 1/4$113
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/233:05 pmMAD - LHR
Nonstop2h 30mIberia
Sat 12/265:25 pmLHR - MAD
Nonstop2h 25mIberia
Deal found 1/4$117
This Iberia deal was found by Cheapflights users on 1/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:55 pmMAD - LHR
Nonstop2h 25mIberia
Tue 9/158:00 pmLHR - MAD
Nonstop2h 25mIberia
Deal found 1/3$118
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/187:40 amMAD - LHR
Nonstop2h 35mIberia
Wed 1/217:05 pmLHR - MAD
Nonstop2h 25mIberia
Deal found 1/4$120
This British Airways deal was found by Cheapflights users on 1/4. 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.
Tue 3/36:05 pmMAD - LHR
Nonstop2h 20mBritish Airways
Sun 3/86:15 amLHR - MAD
Nonstop2h 30mBritish Airways
Deal found 1/4$121

Find 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 January 5, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$107

One-way from

$42
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$183

Good round-trip deal

$294 or less

Good one-way deal

$62 or less
Provider with most accurate pricing for Madrid Barajas-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Madrid Barajas-London Heathrow flights.
Search Deals
From Madrid Barajas to London Heathrow
Search Deals
One-way flight from Madrid Barajas to London Heathrow
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Madrid Barajas to London Heathrow.
Search Deals
Price to beat on a one-way flight from Madrid Barajas to London Heathrow.
Search Deals

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 January 5, 2026.
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

Thu 2/5

3:05 pm-4:35 pm

Nonstop2h 30m

London Heathrow

Sat 2/7

3:05 pm-6:35 pm

Nonstop2h 30m

$113

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Sat 2/7

6:05 pm-7:25 pm

Nonstop2h 20m

London Heathrow

Mon 2/9

3:45 pm-7:10 pm

Nonstop2h 25m

$120

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Tue 3/3

6:05 pm-7:25 pm

Nonstop2h 20m

London Heathrow

Sun 3/8

6:15 am-9:45 am

Nonstop2h 30m

$121

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Thu 3/12

2:35 pm-4:05 pm

Nonstop2h 30m

London Heathrow

Sun 3/15

6:15 am-9:45 am

Nonstop2h 30m

$124

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Thu 2/19

3:50 pm-5:15 pm

Nonstop2h 25m

London Heathrow

Sun 2/22

6:15 am-9:45 am

Nonstop2h 30m

$129

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Mon 1/19

3:50 pm-5:15 pm

Nonstop2h 25m

London Heathrow

Fri 1/23

5:00 pm-8:30 pm

Nonstop2h 30m

$130

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Thu 2/19

3:50 pm-5:15 pm

Nonstop2h 25m

London Heathrow

Thu 2/26

3:00 pm-6:30 pm

Nonstop2h 30m

$131

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Sun 3/1

8:35 pm-9:55 pm

Nonstop2h 20m

London Heathrow

Sat 3/7

6:15 am-9:45 am

Nonstop2h 30m

$133

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Tue 2/10

3:50 pm-5:15 pm

Nonstop2h 25m

$43

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Mon 2/16

3:05 pm-4:35 pm

Nonstop2h 30m

$44

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Showing 1-10 of 17 results
1
2

Compare providers for flights from Madrid to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Madrid to Heathrow in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Madrid-London Heathrow Airport flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Madrid-London Heathrow Airport flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Madrid-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Madrid-London Heathrow Airport flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Madrid-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 2, 2026.

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 50 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, February is the cheapest month in which you can book a flight from Madrid to London Heathrow Airport (average of $99). Flying from Madrid to London Heathrow Airport in August is currently the most expensive (average of $142). 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 January 5, 2026.

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 at noon could potentially save you up to 42% 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 January 3, 2026.

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

How much does it cost to fly round-trip from Madrid to London Heathrow Airport?

The best insider tips for Madrid to London Heathrow Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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

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 January 5, 2026.
Read through reviews of airlines operating flights from Madrid to London Heathrow Airport, such as Iberia and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Iberia
7.0
Good
3,062 reviews

Crew

7.7

Boarding

7.1

Entertainment

6.6

Food

6.3

Comfort

6.7

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Sylvie,Dec 2025

MAD - DSS

No space ,no confortable, and not organised at all àd very tiring and I booked my seat in advance
Iberia
7.0
Good
3,062 reviews
Iberia
7.0
Good
3,062 reviews

Crew

7.7

Boarding

7.1

Entertainment

6.6

Food

6.3

Comfort

6.7

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Sylvie,Dec 2025

MAD - DSS

No space ,no confortable, and not organised at all àd very tiring and I booked my seat in advance
British Airways
6.7
Okay
7,645 reviews
Iberia
7.0
Good
3,062 reviews

Crew

7.7

Boarding

7.1

Entertainment

6.6

Food

6.3

Comfort

6.7

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Sylvie,Dec 2025

MAD - DSS

No space ,no confortable, and not organised at all àd very tiring and I booked my seat in advance

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 66 outbound flights to London Heathrow per day.

  • How long is the flight from Madrid to London Heathrow Airport?

    British Airways and Iberia can get you from Madrid to London Heathrow Airport in just under 2h 30m. Your travel time will be generally consistent. Madrid and London Heathrow Airport are separated by a distance of 773 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying 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 $120. Another option worth looking into is Iberia, starting at $123 round trip. British Airways is priced at 47% 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 Iberia ($55), British Airways ($58), and Vueling ($116).

  • 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 Iberia (85%), Japan Airlines (85%) and British Airways (85%).

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

    Looking at all options, your cheapest flight can be booked for $37. While the most popular route (Madrid Barajas - London Heathrow) can be booked for $107 on average, our data indicates $941 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, February is the cheapest month in which you can book a flight from Madrid to London Heathrow Airport (average of $99). Flying from Madrid to London Heathrow Airport in August is currently the most expensive (average of $142). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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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 January 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$120Average$241FlexibilityNo cancel feeOn-time70%
IberiaCheapest$124Average$260FlexibilityNo cancel feeOn-time77%

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