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Cheap flights from Spain to London Heathrow Airport from £21

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — LHR
20 Apr — 27 Apr1
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 15 April 2025.

Round-trip from

£49

One-way from

£21

Popular in

August

Cheapest in

January

Average price

£95

Good round-trip deal

£44 or less

Good one-way deal

£31 or less
Vueling
  • Vueling
  • 21/5-31/5
  • Nonstop
  • 4h 20m total
  • Spain to London
Search Deals
Vueling
  • Vueling
  • 4/6
  • Nonstop
  • 2h 05m total
  • Spain to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 15 April 2025.

Wed 21/516:55SCQ - LHR
Nonstop2h 05mVueling
Sat 31/518:50LHR - SCQ
Nonstop2h 15mVueling
Deal found 15/4£49
Sat 3/513:55BIO - LHR
Nonstop1h 50mVueling
Thu 8/515:30LHR - BIO
Nonstop2h 05mVueling
Deal found 15/4£51
Sat 24/507:30BCN - LHR
Nonstop2h 40mVueling
Sat 31/520:50LHR - BCN
Nonstop2h 15mVueling
Deal found 14/4£73
Wed 26/1119:10BCN - LHR
Nonstop2h 25mBritish Airways
Mon 1/1217:00LHR - BCN
Nonstop2h 10mBritish Airways
Deal found 14/4£74
Mon 24/1115:50MAD - LHR
Nonstop2h 25mIberia
Tue 25/1118:45LHR - MAD
Nonstop2h 25mIberia
Deal found 14/4£76
Wed 7/514:00BCN - LHR
Nonstop2h 20mMultiple Airlines
Tue 13/509:55LHR - BCN
Nonstop2h 10mMultiple Airlines
Deal found 14/4£76
Thu 4/1215:15AGP - LHR
Nonstop3h 05mBritish Airways
Sun 7/1208:25LHR - AGP
Nonstop2h 55mBritish Airways
Deal found 14/4£81
Sat 4/1017:45MAD - LHR
Nonstop2h 25mBritish Airways
Thu 9/1017:10LHR - MAD
Nonstop2h 25mBritish Airways
Deal found 14/4£82
Sat 10/516:55SCQ - LHR
Nonstop2h 05mMultiple Airlines
Mon 12/518:50LHR - SCQ
Nonstop2h 15mMultiple Airlines
Deal found 14/4£88
Wed 7/510:30AGP - LHR
1 stop8h 30mMultiple Airlines
Sun 11/518:50LHR - AGP
1 stop11h 30mMultiple Airlines
Deal found 14/4£88
Sat 24/505:45VLC - LHR
1 stop13h 15mMultiple Airlines
Mon 26/518:50LHR - VLC
1 stop13h 45mMultiple Airlines
Deal found 15/4£90
Thu 22/509:55PMI - LHR
1 stop9h 05mVueling
Sat 31/518:50LHR - PMI
1 stop13h 35mVueling
Deal found 14/4£90

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 15 April 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

Santiago de CompostelaLondon

SCQ - LHR

SCQLHR

Santiago de Compostela

Wed 21/5

16:55-18:00

Nonstop2h 05m

London Heathrow

Sat 31/5

18:50-22:05

Nonstop2h 15m

£49

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Sun 4/5

13:55-14:45

Nonstop1h 50m

London Heathrow

Wed 7/5

15:30-18:35

Nonstop2h 05m

£62

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sat 24/5

07:30-09:10

Nonstop2h 40m

London Heathrow

Sat 31/5

20:50-00:05

Nonstop2h 15m

£73

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Wed 7/5

14:00-15:20

Nonstop2h 20m

London Heathrow

Tue 13/5

09:55-13:05

Nonstop2h 10m

£76

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Sat 20/9

07:00-08:25

Nonstop2h 25m

London Heathrow

Wed 24/9

20:00-23:25

Nonstop2h 25m

£80

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Sat 4/10

17:45-19:10

Nonstop2h 25m

London Heathrow

Thu 9/10

17:10-20:35

Nonstop2h 25m

£82

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 26/9

21:25-22:40

Nonstop2h 15m

London Heathrow

Mon 29/9

19:25-22:40

Nonstop2h 15m

£85

Santiago de CompostelaLondon

SCQ - LHR

SCQLHR

Santiago de Compostela

Sat 10/5

16:55-18:00

Nonstop2h 05m

London Heathrow

Mon 12/5

18:50-22:05

Nonstop2h 15m

£88

MálagaLondon

AGP - LHR

AGPLHR

Malaga

Wed 7/5

10:30-18:00

1 stop8h 30m

London Heathrow

Sun 11/5

18:50-07:20

1 stop11h 30m

£88

ValenciaLondon

VLC - LHR

VLCLHR

Valencia

Sat 24/5

05:45-18:00

1 stop13h 15m

London Heathrow

Mon 26/5

18:50-09:35

1 stop13h 45m

£90

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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 15 April 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 15 April 2025.

The most flights from ES0 to LHR are scheduled on a Tuesday (57 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (37 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 15 April 2025.
Get a feel of what it's like to fly with Aegean Airlines, KLM and Finnair from Spain to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
733 reviews
Check prices

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

6.9

Comfort

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very Good
733 reviews
Aegean Airlines
8.1
Very Good
733 reviews
Check prices

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

6.9

Comfort

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,323 reviews
Aegean Airlines
8.1
Very Good
733 reviews
Check prices

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

6.9

Comfort

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Finnair
7.6
Good
1,269 reviews
Aegean Airlines
8.1
Very Good
733 reviews
Check prices

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

6.9

Comfort

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.6
Good
775 reviews
Aegean Airlines
8.1
Very Good
733 reviews
Check prices

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

6.9

Comfort

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Air France
7.5
Good
1,435 reviews
Aegean Airlines
8.1
Very Good
733 reviews
Check prices

Crew

8.6

Overall

8.1

Food

7.3

Entertainment

6.9

Comfort

7.8

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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 £21. British Airways flights start at £35 while deals on Iberia start at £40 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, Barcelona-El Prat - London Heathrow or Malaga - London Heathrow as they are the most popular.

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

    Consider Japan Airlines (85%), American Airlines (84%) 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 £49. While the most popular route (Madrid Barajas - London Heathrow) can be booked for £80 on average our data indicates £690 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
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Northampton
Hayes
Crawley
Southend-on-Sea
Maidstone
Swindon
Ipswich
Southall
Ilford
Winchester
Folkestone

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.
Orly to Heathrow flights
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Charles de Gaulle to Luton flights
Charles de Gaulle to London City flights
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Vienna to London City flights
Charles de Gaulle to Stansted flights
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Amsterdam to Stansted flights
Amsterdam to Luton flights
Frankfurt to Heathrow flights
Orly to Gatwick flights
Duesseldorf Intl to London City flights
Beauvais-Tille to Gatwick flights
Madrid to Heathrow flights
Vicenza to Gatwick flights
Beauvais-Tille to Heathrow flights
Frederic Chopin to Heathrow flights
Duesseldorf Intl to Luton flights
Amsterdam to Southend flights
Frankfurt to Stansted flights
Vienna to Luton flights
Barcelona-El Prat to Gatwick flights
Beauvais-Tille to Luton flights
Istanbul to Heathrow flights
Barcelona-El Prat to Luton flights
Orly to Stansted flights
Charles de Gaulle to Southend flights
Orly to Luton flights
Bruxelles-National to Gatwick flights
Bruxelles-National to London City flights
Malpensa to Heathrow flights
Barcelona-El Prat to Stansted flights
Malpensa to Gatwick flights
Bratislava to Luton flights
Malpensa to London City flights
Madrid to Stansted flights
Madrid to London City flights
Malpensa to Stansted 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest£53Average£121FlexibilityNo cancel feeOn-time88%
Search Vueling flights
IberiaCheapest£80Average£187FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£88Average£196FlexibilityNo 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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