Cheap flights from Spain to London Heathrow Airport from £17

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — LHR
6 Jul — 13 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Spain to Heathrow

Enter your travel dates to find the best prices.

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 6 June 2026.

Thu 18/613:45
BIO
-
LHR
Nonstop2h 00m
Vueling
Mon 22/615:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 2/6£55
Thu 11/613:45
BIO
-
LHR
Nonstop2h 00m
Vueling
Mon 15/615:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 2/6£56
Sat 18/717:30
MAD
-
LHR
Nonstop2h 25m
British Airways
Sun 19/706:15
LHR
-
MAD
Nonstop2h 25m
British Airways
Deal found 5/6£57
Tue 14/710:35
MAD
-
LHR
Nonstop2h 25m
British Airways
Wed 22/707:50
LHR
-
MAD
Nonstop2h 25m
British Airways
Deal found 5/6£58
Sun 27/1218:45
BCN
-
LHR
Nonstop2h 20m
Vueling
Mon 4/109:55
LHR
-
BCN
Nonstop2h 15m
Vueling
Deal found 1/6£59
Wed 15/710:35
MAD
-
LHR
Nonstop2h 25m
British Airways
Mon 20/716:30
LHR
-
MAD
Nonstop2h 35m
British Airways
Deal found 5/6£60
Sat 18/717:30
MAD
-
LHR
Nonstop2h 25m
British Airways
Sat 25/706:15
LHR
-
MAD
Nonstop2h 25m
British Airways
Deal found 5/6£60
Wed 12/810:35
MAD
-
LHR
Nonstop2h 25m
British Airways
Wed 19/807:50
LHR
-
MAD
Nonstop2h 25m
British Airways
Deal found 4/6£61
Tue 14/710:35
MAD
-
LHR
Nonstop2h 25m
British Airways
Mon 20/712:20
LHR
-
MAD
Nonstop2h 30m
British Airways
Deal found 5/6£62
Thu 16/721:00
MAD
-
LHR
Nonstop2h 15m
British Airways
Wed 22/707:50
LHR
-
MAD
Nonstop2h 25m
British Airways
Deal found 5/6£63
Sat 6/613:50
BIO
-
LHR
Nonstop1h 55m
Vueling
Sat 13/615:30
LHR
-
BIO
Nonstop2h 05m
Vueling
Deal found 2/6£63
Thu 16/712:05
MAD
-
LHR
Nonstop2h 25m
British Airways
Fri 24/712:20
LHR
-
MAD
Nonstop2h 30m
British Airways
Deal found 5/6£63

Find flight deals from Spain to Heathrow

Keep the following information in mind while searching for Spain to Heathrow flight deals. Data was last updated 6 June 2026.

Round-trip from

£55

One-way from

£17

Popular in

August

Cheapest in

November

Average price

£63

Good round-trip deal

£58 or less

Good one-way deal

£49 or less
Vueling
  • Vueling
  • 18/6-22/6
  • Nonstop
  • 4h 05m total
  • Spain to London
Vueling
  • Vueling
  • 5/8
  • Nonstop
  • 1h 55m total
  • Spain to London
Highest demand for flights based on searches. 26% potential increase in price (£18 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Spain to London Heathrow.
Price to beat on a one-way flight from Spain to London Heathrow.

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 6 June 2026.
Use the filters below to find and compare flights from Spain to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Thu 15/10

21:00-22:15

Nonstop2h 15m

London Heathrow

Sun 18/10

07:55-11:20

Nonstop2h 25m

£96

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Wed 4/11

12:50-14:20

Nonstop2h 30m

London Heathrow

Fri 6/11

06:15-09:45

Nonstop2h 30m

£106

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Mon 2/11

20:50-22:10

Nonstop2h 20m

London Heathrow

Fri 6/11

17:00-20:30

Nonstop2h 30m

£106

MadridLondon

MAD - LHR

MADLHR

Madrid Barajas

Mon 19/10

21:00-22:15

Nonstop2h 15m

London Heathrow

Tue 27/10

18:45-22:10

Nonstop2h 25m

£106

MálagaLondon

AGP - LHR

AGPLHR

Malaga

Thu 19/11

11:55-13:55

Nonstop3h 00m

London Heathrow

Sun 22/11

13:50-17:50

Nonstop3h 00m

£112

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Sat 7/11

20:40-22:00

Nonstop2h 20m

London Heathrow

Sun 8/11

06:05-09:10

Nonstop2h 05m

£113

Palma de MallorcaLondon

PMI - LHR

PMILHR

Palma de Mallorca Son Sant Joan

Fri 26/6

21:50-09:10

1 stop12h 20m

London Heathrow

Tue 30/6

15:10-00:30

1 stop8h 20m

£117

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Thu 9/7

13:45-14:45

Nonstop2h 00m

London Heathrow

Tue 14/7

20:50-08:15

1 stop10h 25m

£118

BilbaoLondon

BIO - LHR

BIOLHR

Bilbao

Tue 16/6

13:45-14:45

Nonstop2h 00m

London Heathrow

Wed 17/6

15:10-23:00

1 stop6h 50m

£118
Fastest return journey

BarcelonaLondon

BCN - LHR

BCNLHR

Barcelona-El Prat

Fri 23/10

19:20-20:35

Nonstop2h 15m

London Heathrow

Sun 25/10

06:05-09:10

Nonstop2h 05m

£120

Flights are sorted by cheapest return flights first.

Deals found on 4/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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, June is the cheapest month in which you can book a flight from Spain to London Heathrow Airport (average of £14). Flying from Spain to London Heathrow Airport in September is currently the most expensive (average of £519). 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 6 June 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 61% on flights from Spain to London Heathrow Airport by exploring options for tickets in the evening.

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 6 June 2026.

The most flights from ES0 to LHR are scheduled on a Friday (71 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (54 on average).

How often are flights from Spain to London delayed?

About 14% of weekly flights between Spain and London have experienced delays in the past year, with the average delay time being 113 minutes.

What is the most punctual flight time for Spain to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Spain to London flights?

Over the past year, Vueling have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

The price you pay for your flight from Spain to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Use this chart to determine the cheapest time to fly return from Spain to Heathrow. Price data was last updated on 30 May 2026.

Travellers seeking maximum savings on their Spain to London Heathrow Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at midday 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 6 June 2026.
Read through reviews of airlines operating flights from Spain to London Heathrow Airport, such as Vueling,Iberia, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

5.9

Boarding

7.2

Food

6.2

Overall

7.2

Crew

7.7

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation

Entertainment

5.9

Boarding

7.2

Food

6.2

Overall

7.2

Crew

7.7

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation

Entertainment

5.9

Boarding

7.2

Food

6.2

Overall

7.2

Crew

7.7

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation

Entertainment

5.9

Boarding

7.2

Food

6.2

Overall

7.2

Crew

7.7

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation

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

    A quick flight from Spain to London Heathrow Airport can take about 2h 15m. British Airways provides one of the quickest options available for as low as £96. Airlines will cover a distance of 773 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £20. Iberia flights start at £31 while deals on British Airways start at £33 one-way.

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

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

    Consider Qatar Airways (79%), Iberia (79%) or British Airways (79%) 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 £39. While the most popular route (Madrid Barajas - London Heathrow) can be booked for £61 on average, our data indicates £483 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, June is the cheapest month in which you can book a flight from Spain to London Heathrow Airport (average of £14). Flying from Spain to London Heathrow Airport in September is currently the most expensive (average of £519). 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Northampton
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Swindon
Ipswich
Romford
Guildford
Poole

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 Spain to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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 6 June 2026.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest£60Average£175FlexibilityNo cancel feeOn-time88%
Search Vueling flights
British AirwaysCheapest£75Average£179FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£89Average£201FlexibilityNo cancel feeOn-time77%
Search Iberia 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!

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.