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Cheap flights from Spain to London Heathrow Airport from £18

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — LHR
8 Jul — 15 Jul1
1 adult

Cheap flight deals from Spain to Heathrow

Keep the following information in mind while searching for Spain to Heathrow flight deals. Data was last updated 3 July 2025.

Round-trip from

£73

One-way from

£18

Popular in

August

Cheapest in

January

Average price

£96

Good round-trip deal

£39 or less

Good one-way deal

£45 or less
Vueling
  • Vueling
  • 11/9-16/9
  • Nonstop
  • 4h 40m total
  • Spain to London
Search Deals
Vueling
  • Vueling
  • 16/11
  • Nonstop
  • 2h 05m total
  • Spain to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Spain to London Heathrow.
Search Deals
Price to beat on a one-way flight from Spain to London Heathrow.
Search Deals

Find flight deals from Spain to Heathrow

Cheapest flights from Spain to Heathrow
Explore the most affordable flight options available from Spain to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Tue 8/716:55SCQ - LHR
Nonstop2h 05mVueling
Wed 9/718:50LHR - SCQ
Nonstop2h 15mVueling
Deal found 1/7£71
Thu 11/918:40BCN - LHR
Nonstop2h 25mVueling
Tue 16/920:50LHR - BCN
Nonstop2h 15mVueling
Deal found 1/7£73
Tue 11/1117:50AGP - LHR
Nonstop2h 55mBritish Airways
Sat 15/1107:55LHR - AGP
Nonstop2h 55mBritish Airways
Deal found 2/7£90
Tue 23/1214:35BCN - LHR
Nonstop2h 25mBritish Airways
Sun 28/1206:05LHR - BCN
Nonstop2h 05mBritish Airways
Deal found 1/7£90
Wed 26/1117:20MAD - LHR
Nonstop2h 30mIberia
Sun 30/1107:20LHR - MAD
Nonstop2h 30mIberia
Deal found 1/7£94
Fri 14/1107:40MAD - LHR
Nonstop2h 35mBritish Airways
Tue 18/1118:45LHR - MAD
Nonstop2h 25mBritish Airways
Deal found 2/7£95
Thu 13/1115:15AGP - LHR
Nonstop3h 05mIberia
Mon 17/1107:35LHR - AGP
Nonstop2h 55mIberia
Deal found 1/7£96
Fri 24/1016:55SCQ - LHR
Nonstop2h 05mMultiple Airlines
Mon 27/1020:50LHR - SCQ
Nonstop2h 15mMultiple Airlines
Deal found 2/7£99
Thu 2/1009:25AGP - LHR
1 stop6h 20mVueling
Mon 6/1015:30LHR - AGP
1 stop7h 29mVueling
Deal found 2/7£100
Fri 21/1121:15VLC - LHR
Nonstop2h 30mBritish Airways
Sun 23/1116:05LHR - VLC
Nonstop2h 25mBritish Airways
Deal found 1/7£103
Sat 4/1007:25MAD - LHR
1 stop11h 35mMultiple Airlines
Mon 6/1015:30LHR - MAD
1 stop6h 15mMultiple Airlines
Deal found 2/7£105
Fri 15/820:35BCN - LHR
Nonstop2h 15mMultiple Airlines
Wed 20/820:50LHR - BCN
Nonstop2h 15mMultiple Airlines
Deal found 2/7£108

Cheapflights Fare Finder

Customise your flight search to find flights from Spain 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 3 July 2025.
Use the filters below to find and compare flights from Spain to London Heathrow Airport that are best for you.

Fly from

Spain

Fly to

Heathrow

Route

Depart

Return

Price

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Thu 11/9

18:40-20:05

Nonstop2h 25m

London Heathrow

Tue 16/9

20:50-00:05

Nonstop2h 15m

£73

Santiago de CompostelaLondon

SCQ - LHR

SCQLHR

Santiago de Compostela

Tue 16/9

16:55-18:00

Nonstop2h 05m

London Heathrow

Sat 20/9

18:50-22:05

Nonstop2h 15m

£75

MálagaLondon

AGP - LHR

AGPLHR

Malaga

Tue 11/11

17:50-19:45

Nonstop2h 55m

London Heathrow

Sat 15/11

07:55-11:50

Nonstop2h 55m

£90

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Tue 23/12

14:35-16:00

Nonstop2h 25m

London Heathrow

Sun 28/12

06:05-09:10

Nonstop2h 05m

£90

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Wed 26/11

17:20-18:50

Nonstop2h 30m

London Heathrow

Sun 30/11

07:20-10:50

Nonstop2h 30m

£94

MálagaLondon

AGP - LHR

AGPLHR

Malaga

Thu 13/11

15:15-17:20

Nonstop3h 05m

London Heathrow

Mon 17/11

07:35-11:30

Nonstop2h 55m

£96

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Thu 13/11

17:20-18:50

Nonstop2h 30m

London Heathrow

Mon 17/11

18:45-22:10

Nonstop2h 25m

£96

Santiago de CompostelaLondon

SCQ - LHR

SCQLHR

Santiago de Compostela

Fri 24/10

16:55-18:00

Nonstop2h 05m

London Heathrow

Mon 27/10

20:50-00:05

Nonstop2h 15m

£99

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Sat 11/10

16:50-18:15

Nonstop2h 25m

London Heathrow

Sun 12/10

07:55-11:20

Nonstop2h 25m

£99

MálagaLondon

AGP - LHR

AGPLHR

Malaga

Thu 2/10

09:25-14:45

1 stop6h 20m

London Heathrow

Mon 6/10

15:30-23:59

1 stop7h 29m

£100

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 60 results
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6

Best time to book a flight from Spain to Heathrow

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

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

Currently, January is the cheapest month in which you can book a flight from Spain to London Heathrow Airport (average of £112). Flying from Spain to London Heathrow Airport in August is currently the most expensive (average of £164). 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 ES to LHR?

Find hourly flight availability from Spain 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 3 July 2025.

When flying from Spain to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Spain to London Heathrow Airport

Explore weekly flight availability from Spain 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 3 July 2025.

The most flights from ES0 to LHR are scheduled on a Wednesday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 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 3 July 2025.
Read through reviews of airlines operating flights from Spain to London Heathrow Airport, such as KLM, Austrian Airlines, andFinnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,366 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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
1,366 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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.
Austrian Airlines
7.6
Good
809 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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.
Finnair
7.6
Good
1,306 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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.
SWISS
7.5
Good
1,654 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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.
Scandinavian Airlines
7.3
Good
1,416 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

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 Spain to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    To fly one-way, consider booking your trip with Vueling, which is currently one of the cheapest options available, starting at £18. Iberia flights start at £39 while deals on British Airways start at £39 one-way.

  • What are the most popular routes from Spain to London Heathrow Airport?

    When deciding which route to take from Spain to London Heathrow Airport consider Madrid Barajas - London Heathrow, Malaga - London Heathrow or Barcelona-El Prat - London Heathrow as they are the most popular.

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

    Consider Vueling (84%), Iberia (83%) or British Airways (83%) when booking your flight. These represent the most reliable airlines when flying from Spain to London Heathrow Airport.

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

    Looking at all options, your cheapest flight can be booked for £53. While the most popular route (Madrid Barajas - London Heathrow) can be booked for £83 on average our data indicates £340 when flying from Spain to London Heathrow Airport.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Spain to London Heathrow Airport (average of £112). Flying from Spain to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Spain?

Book flights to Spain if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Swindon
Maidstone

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Spain to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Charles de Gaulle to Gatwick flights
Charles de Gaulle to Luton flights
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Beauvais-Tille to Heathrow flights
Barcelona-El Prat to London City flights
Frederic Chopin to Luton flights
Orly to Luton flights
Beauvais-Tille to Luton flights
Frederic Chopin to London City flights
Vienna to Heathrow flights
Madrid to London City flights
Frankfurt to Gatwick flights
Madrid to Luton flights
Amsterdam to Gatwick flights
Barcelona-El Prat to Luton flights
Duesseldorf Intl to Gatwick flights
Orly to Heathrow flights
Vienna to Stansted flights
Duesseldorf Intl to Luton flights
Amsterdam to Luton flights
Dublin to Southend flights
Vicenza to Luton flights
Frankfurt to Luton flights
Bruxelles-National to Luton flights
Charles de Gaulle to Heathrow flights
Vienna to Luton flights
Madrid to Southend flights
Malpensa to Luton flights
Zurich to Gatwick flights
Malpensa to London City flights
Belfast Intl to Gatwick flights
Bergamo to Gatwick flights
Malpensa to Heathrow flights
Leonardo da Vinci/Fiumicino to Heathrow flights

Top 3 airlines flying from Spain to Heathrow

Discover the top 3 airlines that operate flights from Spain 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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest£51Average£122FlexibilityNo cancel feeOn-time88%
Search Vueling flights
IberiaCheapest£76Average£177FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£85Average£177FlexibilityNo 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 Spain to Heathrow?

Deals for Spain to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Heathrow from Spain by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Heathrow from Spain? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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