Question 1

How long does it take to fly to London Heathrow Airport?

Accepted Answer

If you’re flying from a popular airport in Spain, such as Barcelona or Madrid, and flying into London Heathrow Airport, then you can expect flight times to average 2h 10m and 2h 15m, respectively.

Question 2

What is the cheapest Spain to London Heathrow flight route?

Accepted Answer

Fly from Madrid Barajas to London Heathrow for the best Spain - London Heathrow flight prices

Question 3

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

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 4

What is the cheapest day to depart on your flight to London Heathrow Airport?

Accepted Answer

On average, the least expensive day to fly to London Heathrow Airport from Spain is on a Thursday. momondo users have found tickets for Thursday departures for as low as £82. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Tuesday is £142.

Question 5

What is the cheapest airline that flies from Spain to London Heathrow?

Accepted Answer

Vueling, Iberia, and British Airways are the most popular carriers operating from Spain to London Heathrow

Question 6

What is the cheapest month to fly to London Heathrow Airport?

Accepted Answer

In general, November is the cheapest month to fly from Spain to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £101. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Spain averaging around £102.

Question 7

Can stopping save me money on Spain to London Heathrow Airport flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Spain to London Heathrow Airport.

Question 8

Which airlines fly to London Heathrow Airport?

Accepted Answer

British Airways, Iberia and Vueling are the top three most popular airlines that fly to London Heathrow Airport from Spain according to our data. British Airways is the first choice among our users, with 60% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Question 9

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

Accepted Answer

According to our data, Iberia have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

Question 10

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

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Question 11

How many flights depart from Spain to London Heathrow Airport on average per week?

Accepted Answer

As of December 2025, there are 614 flights per week flying from Spain to London Heathrow Airport. The most common day of the week flights depart is Thu, with 21% of flights taking off on this day.

Question 12

How far in advance should I book a flight to London Heathrow Airport?

Accepted Answer

You are more likely to see cheaper flights to London Heathrow Airport from Spain when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £131 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Spain for as low as £114 on momondo.

Question 13

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Accepted Answer

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Spain to London Heathrow Airport in the evening for as low as £74. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £234 on average. Flights to London Heathrow Airport from Spain at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 14

What cabin class options are available on Spain to London Heathrow flights?

Accepted Answer

There are 3 cabin classes available to choose from on Spain to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 15

How often are flights from Spain to London delayed?

Accepted Answer

Historically, on average around 16% of flights between Spain and London have experienced a delay on any given week. The average delay length over the past 12 months has been 112 minutes.

Question 16

How many flights depart from Spain to London Heathrow Airport on average per day?

Accepted Answer

As of December 2025, 87 flights take off from Spain and land in London Heathrow Airport each day. The most common flight departure time for this route is 15:00, with 51% of daily flights taking off in the afternoon.

Question 17

When did momondo last update prices for flights from Spain to London Heathrow Airport?

Accepted Answer

Prices for flights from Spain to London Heathrow Airport were last updated today.

Question 18

How many operators does momondo search for flights from Spain to London Heathrow Airport?

Accepted Answer

As of December 2025, there are 3 operators available to choose from for flights from Spain to London Heathrow Airport.

Question 19

How old do you have to be to fly from Spain to London Heathrow Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Spain to London Heathrow Airport.

Question 20

What documentation or ID do you need to fly to London Heathrow Airport?

Accepted Answer

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best price found	£35
Fastest flight time	1h 55m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Vueling	PriceFrom £52	Free Cancellation	Rating 7.1 1,218 reviews	Search Vueling flights
British Airways	PriceFrom £81	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
Iberia	PriceFrom £84	Free Cancellation	Rating 7.0 3,053 reviews	Search Iberia flights

Cheap flights from Spain to London from £18

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How to get the cheapest flight ticket from Spain to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Spain to London Heathrow flight route?

Fly from Madrid Barajas to London Heathrow for the best Spain - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

What cabin class options are available on Spain to London Heathrow flights?

There are 3 cabin classes available to choose from on Spain to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Spain to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between Spain to London Heathrow Airport.

What is the cheapest airline that flies from Spain to London Heathrow?

Vueling, Iberia, and British Airways are the most popular carriers operating from Spain to London Heathrow

Which airlines fly to London Heathrow Airport?

How often are flights from Spain to London delayed?

Historically, on average around 16% of flights between Spain and London have experienced a delay on any given week. The average delay length over the past 12 months has been 112 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Iberia have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

How many flights depart from Spain to London Heathrow Airport on average per day?

As of December 2025, 87 flights take off from Spain and land in London Heathrow Airport each day. The most common flight departure time for this route is 15:00, with 51% of daily flights taking off in the afternoon.

How many flights depart from Spain to London Heathrow Airport on average per week?

As of December 2025, there are 614 flights per week flying from Spain to London Heathrow Airport. The most common day of the week flights depart is Thu, with 21% of flights taking off on this day.

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Spain, such as Barcelona or Madrid, and flying into London Heathrow Airport, then you can expect flight times to average 2h 10m and 2h 15m, respectively.

Cheap Spain to London Heathrow Airport flight deals and tips

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When did momondo last update prices for flights from Spain to London Heathrow Airport?

How many operators does momondo search for flights from Spain to London Heathrow Airport?

How old do you have to be to fly from Spain to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

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Best airlines flying from Spain to London Heathrow Airport

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