HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$49+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — LHR
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Madrid to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Madrid Barajas to London Heathrow are usually found in February or January, booked 64 days in advance, depart on a Thursday or Friday and return on a Monday

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 April 23, 2026.

This deal was found by Cheapflights users on 4/23. 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.
Wed 5/208:05 am
MAD
-
LHR
Nonstop2h 25m
Iberia
Wed 5/277:10 pm
LHR
-
MAD
Nonstop2h 25m
Iberia
Deal found 4/23$108
This Booking.com deal was found by Cheapflights users on 4/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:05 pm
MAD
-
LHR
Nonstop2h 30m
Iberia
Fri 11/277:05 pm
LHR
-
MAD
Nonstop2h 30m
Iberia
Deal found 4/19$117
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Sat 10/34:50 pm
MAD
-
LHR
Nonstop2h 25m
Iberia
Tue 10/277:40 pm
LHR
-
MAD
Nonstop2h 30m
Iberia
Deal found 4/22$118
This Iberia deal was found by Cheapflights users on 4/21. 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 10/133:45 pm
MAD
-
LHR
Nonstop2h 30m
Iberia
Sat 10/176:45 pm
LHR
-
MAD
Nonstop2h 25m
Iberia
Deal found 4/21$120
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Thu 10/13:45 pm
MAD
-
LHR
Nonstop2h 30m
Iberia
Sat 10/3110:45 am
LHR
-
MAD
Nonstop2h 30m
Iberia
Deal found 4/22$124
This Iberia deal was found by Cheapflights users on 4/20. 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 9/103:45 pm
MAD
-
LHR
Nonstop2h 30m
Iberia
Tue 9/158:00 pm
LHR
-
MAD
Nonstop2h 25m
Iberia
Deal found 4/20$126
This British Airways deal was found by Cheapflights users on 4/20. 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 10/169:00 pm
MAD
-
LHR
Nonstop2h 15m
British Airways
Sun 10/184:30 pm
LHR
-
MAD
Nonstop2h 35m
British Airways
Deal found 4/20$127
This British Airways deal was found by Cheapflights users on 4/23. 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 6/69:00 pm
MAD
-
LHR
Nonstop2h 15m
British Airways
Sun 6/76:15 am
LHR
-
MAD
Nonstop2h 25m
British Airways
Deal found 4/23$129
This British Airways deal was found by Cheapflights users on 4/20. 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 9/189:00 pm
MAD
-
LHR
Nonstop2h 15m
British Airways
Sun 9/2012:20 pm
LHR
-
MAD
Nonstop2h 30m
British Airways
Deal found 4/20$130
This British Airways deal was found by Cheapflights users on 4/20. 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 9/119:00 pm
MAD
-
LHR
Nonstop2h 15m
British Airways
Mon 9/147:50 am
LHR
-
MAD
Nonstop2h 25m
British Airways
Deal found 4/20$131
This Iberia deal was found by Cheapflights users on 4/20. 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 9/173:45 pm
MAD
-
LHR
Nonstop2h 30m
Iberia
Tue 9/296:45 pm
LHR
-
MAD
Nonstop2h 25m
Iberia
Deal found 4/20$132
This British Airways deal was found by Cheapflights users on 4/20. 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 9/59:00 pm
MAD
-
LHR
Nonstop2h 15m
British Airways
Tue 9/86:15 am
LHR
-
MAD
Nonstop2h 25m
British Airways
Deal found 4/20$133

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$108

One-way from

$49
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$282

Good round-trip deal

$260 or less

Good one-way deal

$139 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. 16% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 23, 2026.
Use the filters below to find and compare flights from Madrid to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Fri 10/16

9:00 pm-10:15 pm

Nonstop2h 15m

London Heathrow

Sun 10/18

4:30 pm-8:05 pm

Nonstop2h 35m

$127
Quickest round-trip

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Thu 6/11

9:00 pm-10:15 pm

Nonstop2h 15m

London Heathrow

Sun 6/14

6:15 am-9:40 am

Nonstop2h 25m

$167

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Mon 9/7

9:00 pm-10:15 pm

Nonstop2h 15m

London Heathrow

Sun 9/13

2:40 pm-6:10 pm

Nonstop2h 30m

$172

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Mon 6/15

5:30 pm-6:55 pm

Nonstop2h 25m

London Heathrow

Tue 6/16

7:50 am-11:15 am

Nonstop2h 25m

$174

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Thu 6/18

9:00 pm-10:15 pm

Nonstop2h 15m

London Heathrow

Sun 6/21

6:15 am-9:40 am

Nonstop2h 25m

$176

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Wed 7/8

5:30 pm-6:55 pm

Nonstop2h 25m

London Heathrow

Fri 7/10

6:15 am-9:40 am

Nonstop2h 25m

$183

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Tue 6/2

7:25 am-2:45 pm

1 stop8h 20m

London Heathrow

Tue 6/9

3:30 pm-10:45 pm

1 stop6h 15m

$199

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Mon 7/20

5:30 pm-6:55 pm

Nonstop2h 25m

London Heathrow

Sun 7/26

6:15 am-9:40 am

Nonstop2h 25m

$204

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Fri 5/22

7:25 am-2:45 pm

1 stop8h 20m

London Heathrow

Wed 5/27

3:10 pm-10:50 pm

1 stop6h 40m

$206

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Sun 5/24

9:00 pm-10:15 pm

Nonstop2h 15m

London Heathrow

Tue 5/26

7:50 am-11:15 am

Nonstop2h 25m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 20 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madrid-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

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 63 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 $148). Flying from Madrid to London Heathrow Airport in May is currently the most expensive (average of $318). 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 April 23, 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 in the afternoon could potentially save you up to 32% 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 April 18, 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. Wednesday at noon 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
Our travel experts
Lori Zaino

Lori Zaino

Expert on MAD

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

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 April 23, 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
3,191 reviews

Overall

7.0

Comfort

6.7

Entertainment

6.6

Boarding

7.2

Crew

7.7

Food

6.4

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
3,191 reviews
Iberia
7.0
Good
3,191 reviews

Overall

7.0

Comfort

6.7

Entertainment

6.6

Boarding

7.2

Crew

7.7

Food

6.4

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
7,907 reviews
Iberia
7.0
Good
3,191 reviews

Overall

7.0

Comfort

6.7

Entertainment

6.6

Boarding

7.2

Crew

7.7

Food

6.4

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 60 outbound flights to London Heathrow per day.

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

    British Airways can get you from Madrid to London Heathrow Airport in just under 2h 15m. 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 Iberia is currently your cheapest option to London Heathrow Airport, with prices starting at $123. Another option worth looking into is British Airways, starting at $126 round trip. Iberia is priced at 45% 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 easyJet ($38), Iberia ($53), and British Airways ($55).

  • 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 (84%), British Airways (84%) and American Airlines (84%).

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

    Looking at all options, your cheapest flight can be booked for $59. While the most popular route (Madrid Barajas - London Heathrow) can be booked for $127 on average, our data indicates $1,300 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 $148). Flying from Madrid to London Heathrow Airport in May is currently the most expensive (average of $318). 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
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Madrid to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Madrid to Gatwick flights
Madrid to London City 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$123Average$233FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$126Average$230FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.