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Cheap flights from Madrid, Spain to London Heathrow Airport from £26

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — LHR
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Madrid Barajas to London Heathrow are usually found in February or November, booked 64 days in advance, depart on a Wednesday or Saturday and return on a Sunday

Cheap flight deals from Madrid to Heathrow

Enter your travel dates to find the best prices.

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 12 December 2025.

Wed 17/1206:45MAD - LHR
Nonstop2h 40mBritish Airways
Fri 16/108:25LHR - MAD
Nonstop2h 30mBritish Airways
Deal found 12/12£75
Thu 25/1215:50MAD - LHR
Nonstop2h 25mIberia
Thu 1/109:15LHR - MAD
Nonstop2h 25mIberia
Deal found 11/12£76
Mon 22/1215:50MAD - LHR
Nonstop2h 25mIberia
Fri 2/110:45LHR - MAD
Nonstop2h 30mIberia
Deal found 11/12£77
Wed 24/1215:50MAD - LHR
Nonstop2h 25mIberia
Mon 5/119:05LHR - MAD
Nonstop2h 25mIberia
Deal found 10/12£78
Wed 24/1207:40MAD - LHR
Nonstop2h 35mIberia
Wed 31/1219:05LHR - MAD
Nonstop2h 25mIberia
Deal found 11/12£78
Mon 29/1216:45MAD - LHR
Nonstop2h 30mIberia
Sat 3/109:15LHR - MAD
Nonstop2h 25mIberia
Deal found 10/12£81
Mon 29/1206:45MAD - LHR
Nonstop2h 40mIberia
Fri 2/119:40LHR - MAD
Nonstop2h 25mIberia
Deal found 10/12£82
Mon 29/1206:45MAD - LHR
Nonstop2h 40mIberia
Thu 8/119:05LHR - MAD
Nonstop2h 25mIberia
Deal found 10/12£86
Mon 29/1206:45MAD - LHR
Nonstop2h 40mBritish Airways
Sun 4/106:15LHR - MAD
Nonstop2h 30mBritish Airways
Deal found 12/12£87
Mon 29/1206:45MAD - LHR
Nonstop2h 40mIberia
Thu 1/118:45LHR - MAD
Nonstop2h 25mIberia
Deal found 10/12£88
Mon 22/1215:50MAD - LHR
Nonstop2h 25mIberia
Thu 25/1219:05LHR - MAD
Nonstop2h 25mIberia
Deal found 11/12£89

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 12 December 2025.

Round-trip from

£76

One-way from

£26

Popular in

April

Cheapest in

February

Average price

£148

Good round-trip deal

£113 or less

Good one-way deal

£45 or less
Iberia
  • Iberia
  • 25/12-1/1
  • Nonstop
  • 4h 50m total
  • Madrid to London
Search Deals
British Airways
  • British Airways
  • 10/2
  • Nonstop
  • 2h 30m total
  • Madrid to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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

 
Customise 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 858,174 searches. Data last updated 12 December 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

Mon 26/1

15:50-17:15

Nonstop2h 25m

London Heathrow

Mon 2/2

18:45-22:10

Nonstop2h 25m

£102

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Fri 23/1

15:50-17:15

Nonstop2h 25m

London Heathrow

Mon 26/1

10:45-14:15

Nonstop2h 30m

£103

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Fri 5/6

13:25-14:55

Nonstop2h 30m

London Heathrow

Thu 11/6

18:45-22:10

Nonstop2h 25m

£105

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Tue 13/1

16:45-18:15

Nonstop2h 30m

London Heathrow

Sat 17/1

08:25-11:55

Nonstop2h 30m

£111

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Tue 23/12

15:50-17:15

Nonstop2h 25m

London Heathrow

Fri 26/12

06:15-09:45

Nonstop2h 30m

£114

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Tue 21/4

07:25-18:00

1 stop11h 35m

London Heathrow

Wed 22/4

15:00-22:50

1 stop6h 50m

£118

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Fri 16/1

15:50-17:15

Nonstop2h 25m

London Heathrow

Sun 18/1

08:25-11:55

Nonstop2h 30m

£119

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Sat 18/4

07:25-18:00

1 stop11h 35m

London Heathrow

Tue 21/4

15:00-22:50

1 stop6h 50m

£125

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Sat 28/2

19:25-20:45

Nonstop2h 20m

London Heathrow

Mon 2/3

18:45-22:10

Nonstop2h 25m

£127

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Thu 15/1

07:25-18:00

1 stop11h 35m

London Heathrow

Mon 19/1

15:30-22:45

1 stop6h 15m

£131

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 24 results
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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 return 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 return flight from Madrid to Heathrow. Price data was last updated on 5 December 2025.

To ensure you get the cheapest price possible for a flight from Madrid to London Heathrow Airport, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £74). Flying from Madrid to London Heathrow Airport in August is currently the most expensive (average of £105). 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 12 December 2025.

It’s optimal to fly from Madrid to London Heathrow Airport in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from Madrid to Heathrow. Price data was last updated on 6 December 2025.

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

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 12 December 2025.
Check out reviews from past customers who have flown with Iberia and British Airways from Madrid to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Iberia
7.0
Good
3,045 reviews
Check prices

Food

6.3

Comfort

6.7

Crew

7.7

Entertainment

6.6

Boarding

7.1

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
3,045 reviews
Iberia
7.0
Good
3,045 reviews
Check prices

Food

6.3

Comfort

6.7

Crew

7.7

Entertainment

6.6

Boarding

7.1

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
7,571 reviews
Iberia
7.0
Good
3,045 reviews
Check prices

Food

6.3

Comfort

6.7

Crew

7.7

Entertainment

6.6

Boarding

7.1

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) is the airport you will fly out of if you book a flight from Madrid to London Heathrow. You should not have trouble finding flights to London Heathrow from Barajas; the airport handles an average of 61 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Madrid airport to London Heathrow. It is only a 8.5 mi journey to Barajas (MAD) from Madrid’s city center.

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

    Airlines like Iberia and British Airways fly from Madrid to London Heathrow Airport in about 2h 25m. The time it takes to get you to your destination is usually consistent. Madrid and London Heathrow Airport are separated by a distance of 773 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Madrid to London Heathrow Airport round-trip?

    Iberia, at £84, was found to be the cheapest airline from Madrid to London Heathrow Airport. An alternate airline flying to your destination would be British Airways. You may be able to fly from Madrid to London Heathrow Airport for 51% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as £37 on Iberia. Other airlines that offer cheap prices include British Airways from £48 and TAP AIR PORTUGAL from £64 one-way.

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

    Consider Qatar Airways (86%), Iberia (82%) or British Airways (82%) when booking your flight. These represent the most reliable airlines when flying from Madrid to London Heathrow Airport.

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

    Looking for the cheapest flight from Madrid to London Heathrow Airport? While on average our users pay £267, our data indicates the cheapest price to be £31. The most popular route (Madrid Barajas - London Heathrow), is priced around £75.

  • 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 holiday 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 £74). Flying from Madrid to London Heathrow Airport in August is currently the most expensive (average of £105). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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 Stansted flights
Madrid to London City flights
Madrid to Southend flights
Madrid to Luton 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 858,174 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£84Average£201FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£86Average£167FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Madrid to Heathrow?

When you search for this flight from Madrid to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Madrid to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Madrid.

Can Cheapflights find flights from Madrid to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Madrid to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Madrid to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Madrid today and book when prices fit your budget.

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