Question 1

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 53% 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 2

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 £76. 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 £177 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 3

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 £125 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 £100 on momondo.

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 £76. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Wednesday is £154.

Question 5

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

Accepted Answer

As of August 2025, 79 flights take off from Spain and land in London Heathrow Airport each day. The most common flight departure time for this route is 07:00, with 46% of daily flights taking off in the afternoon.

Question 6

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 7

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 8

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 Madrid or Barcelona, and flying into London Heathrow Airport, then you can expect flight times to average 2h 15m and 2h 15m, respectively.

Question 9

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 £93. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Spain averaging around £95.

Question 10

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 11

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

Accepted Answer

As of August 2025, there are 559 flights per week flying from Spain to London Heathrow Airport. The most common day of the week flights depart is Fri, with 25% of flights taking off on this day.

Question 12

What is the cheapest Spain to London Heathrow flight route?

Accepted Answer

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

Question 13

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 14

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

Accepted Answer

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

Question 15

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 16

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	£20
Fastest flight time	1h 50m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Vueling	PriceFrom £53	Free Cancellation	Rating 7.1 1,176 reviews	Search Vueling flights
Iberia	PriceFrom £80	Free Cancellation	Rating 7.0 2,859 reviews	Search Iberia flights
British Airways	PriceFrom £82	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights

Cheap flights from Spain to London from £20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spain to London departing on 18/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

As of August 2025, 79 flights take off from Spain and land in London Heathrow Airport each day. The most common flight departure time for this route is 07:00, with 46% of daily flights taking off in the afternoon.

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

As of August 2025, there are 559 flights per week flying from Spain to London Heathrow Airport. The most common day of the week flights depart is Fri, with 25% 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 Madrid or Barcelona, and flying into London Heathrow Airport, then you can expect flight times to average 2h 15m and 2h 15m, respectively.

Cheap Spain to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Spain to London Heathrow Airport

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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?

What is the most popular plane model from Spain to London Heathrow Airport?

Best airlines flying from Spain to London Heathrow Airport

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