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Cheap flights from London Heathrow Airport to Madrid, Spain from $97

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MAD
13 Apr — 20 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Madrid Barajas are usually found in January or February, booked 89 days in advance, depart on a Friday or Thursday and return on a Monday

Cheap flight deals from Heathrow to Madrid

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Madrid
Explore the most affordable flight options available from Heathrow to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 March 2026.

Sat 30/518:45
LHR
-
MAD
Nonstop2h 25m
Iberia
Tue 2/621:00
MAD
-
LHR
Nonstop2h 15m
Iberia
Deal found 9/3$172
Sat 9/516:30
LHR
-
MAD
Nonstop2h 35m
British Airways
Sat 16/521:00
MAD
-
LHR
Nonstop2h 15m
British Airways
Deal found 14/3$173
Wed 10/607:50
LHR
-
MAD
Nonstop2h 25m
British Airways
Wed 17/618:25
MAD
-
LHR
Nonstop2h 20m
British Airways
Deal found 10/3$175
Mon 1/616:30
LHR
-
MAD
Nonstop2h 35m
British Airways
Thu 4/617:30
MAD
-
LHR
Nonstop2h 25m
British Airways
Deal found 10/3$178
Sun 19/409:15
LHR
-
MAD
Nonstop2h 25m
British Airways
Sun 19/414:55
MAD
-
LHR
Nonstop2h 25m
British Airways
Deal found 10/3$179
Wed 6/506:15
LHR
-
MAD
Nonstop2h 25m
British Airways
Fri 22/521:00
MAD
-
LHR
Nonstop2h 15m
British Airways
Deal found 9/3$181
Wed 10/612:20
LHR
-
MAD
Nonstop2h 30m
British Airways
Mon 15/621:00
MAD
-
LHR
Nonstop2h 15m
British Airways
Deal found 12/3$182
Thu 9/706:15
LHR
-
MAD
Nonstop2h 25m
British Airways
Thu 16/721:00
MAD
-
LHR
Nonstop2h 15m
British Airways
Deal found 10/3$183
Mon 29/606:15
LHR
-
MAD
Nonstop2h 25m
British Airways
Mon 29/621:00
MAD
-
LHR
Nonstop2h 15m
British Airways
Deal found 11/3$185
Sat 27/616:30
LHR
-
MAD
Nonstop2h 35m
British Airways
Sat 4/719:10
MAD
-
LHR
Nonstop2h 15m
British Airways
Deal found 13/3$186

Find flight deals from Heathrow to Madrid

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Madrid (MAD). 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 14 March 2026.

Round-trip from

$172

One-way from

$97

Popular in

April

Cheapest in

January

Average price

$321
Iberia
  • Iberia
  • 30/5-2/6
  • Nonstop
  • 4h 40m total
  • London to Madrid
Search Deals
Iberia
  • Iberia
  • 3/6
  • Nonstop
  • 2h 25m total
  • London to Madrid
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Madrid 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 647,157 searches. Data last updated 14 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Madrid that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMadrid

LHR - MAD

LHRMAD

London Heathrow

Sat 30/5

14:40-18:10

Nonstop2h 30m

Madrid Barajas

Tue 2/6

21:00-22:15

Nonstop2h 15m

$182
Fastest return journey

LondonMadrid

LHR - MAD

LHRMAD

London Heathrow

Tue 12/5

06:15-09:40

Nonstop2h 25m

Madrid Barajas

Sat 16/5

19:10-20:25

Nonstop2h 15m

$200

LondonMadrid

LHR - MAD

LHRMAD

London Heathrow

Thu 9/7

18:45-22:10

Nonstop2h 25m

Madrid Barajas

Thu 16/7

21:00-22:15

Nonstop2h 15m

$229

LondonMadrid

LHR - MAD

LHRMAD

London Heathrow

Tue 9/6

15:10-22:50

1 stop6h 40m

Madrid Barajas

Thu 11/6

07:25-14:25

1 stop8h 00m

$232

LondonMadrid

LHR - MAD

LHRMAD

London Heathrow

Sat 30/5

14:45-23:25

1 stop7h 40m

Madrid Barajas

Tue 2/6

06:00-10:45

1 stop5h 45m

$320

LondonMadrid

LHR - MAD

LHRMAD

London Heathrow

Sat 18/4

15:30-22:45

1 stop6h 15m

Madrid Barajas

Sat 25/4

11:25-20:05

1 stop9h 40m

$321

LondonMadrid

LHR - MAD

LHRMAD

London Heathrow

Tue 11/8

06:15-09:40

Nonstop2h 25m

Madrid Barajas

Sat 15/8

17:30-18:55

Nonstop2h 25m

$330

LondonMadrid

LHR - MAD

LHRMAD

London Heathrow

Fri 10/4

11:05-23:25

1 stop11h 20m

Madrid Barajas

Tue 14/4

06:20-17:05

1 stop11h 45m

$358

LondonMadrid

LHR - MAD

LHRMAD

London Heathrow

Fri 8/5

06:50-20:05

1 stop12h 15m

Madrid Barajas

Tue 12/5

06:20-17:05

1 stop11h 45m

$361

LondonMadrid

LHR - MAD

LHRMAD

London Heathrow

Wed 8/7

16:30-20:05

Nonstop2h 35m

Madrid Barajas

Sun 12/7

07:00-08:25

Nonstop2h 25m

$380

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Madrid

Have a flexible travel schedule? Discover the best time to fly to Madrid from Heathrow 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 London Heathrow Airport to Madrid

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Madrid. Price data was last updated on 6 March 2026.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Madrid. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Madrid (average of $111). Flying from London Heathrow Airport to Madrid in July is currently the most expensive (average of $192). 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 LHR to MAD?

Find hourly flight availability from Heathrow to Madrid. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 March 2026.

It’s typically best to fly out from London Heathrow Airport to Madrid in the afternoon. Doing so could potentially save you 74% on the flight price compared to flying at midday, which is usually more expensive.

How much does it cost for a return flight from London Heathrow Airport to Madrid?

Reviews of airlines servicing Madrid

Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated 14 March 2026.
Get a feel of what it's like to fly with British Airways from London Heathrow Airport to Madrid by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,786 reviews
Check prices

Boarding

6.9

Crew

7.6

Comfort

6.8

Overall

6.7

Food

6.4

Entertainment

6.4

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.
British Airways
6.7
Okay
7,786 reviews
British Airways
6.7
Okay
7,786 reviews
Check prices

Boarding

6.9

Crew

7.6

Comfort

6.8

Overall

6.7

Food

6.4

Entertainment

6.4

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Madrid. 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 into for flights to Madrid from London Heathrow?

    Madrid Barajas (MAD), located 13.6 km from the city centre, is the airport you fly into when you book flights from London Heathrow to Madrid. 1 airline have flights to Barajas from London Heathrow on a regular basis. Booking flights from London Heathrow to Madrid Barajas should not be difficult; the airport handles an average of 63 inbound flights from London Heathrow per day.

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

    A quick flight from London Heathrow Airport to Madrid can take about 2h 25m. British Airways provides one of the quickest options available for as low as $176. The distance between London Heathrow Airport and Madrid is about 1244 km. Generally, flights for this route are direct.

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

    Currently priced at $349, British Airways will fly you from London Heathrow Airport to Madrid and back. In addition to British Airways, many other airlines offer competitively priced options for your trip.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Madrid on time: Japan Airlines (82%), American Airlines (81%), Qatar Airways (80%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Madrid 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 London Heathrow Airport to Madrid?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Madrid (average of $111). Flying from London Heathrow Airport to Madrid in July is currently the most expensive (average of $192). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Madrid

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

Top airline flying from Heathrow to Madrid

Discover the top airline that operate flights from Heathrow to Madrid. 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 647,157 searches. Data last updated 14 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$349Average$431FlexibilityNo 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 Heathrow to Madrid?

Cheapflights helps you search for flights from Heathrow to Madrid via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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 Madrid from Heathrow.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Madrid, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Heathrow to Madrid flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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