Cheap Flights from Barcelona (BCN) to London Heathrow (LHR)

Compare Barcelona to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Barcelona to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Barcelona Airport to London Heathrow Airport? If you want to travel next month, return fares start from £63. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Barcelona to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Barcelona to London Heathrow flights are currently cheapest in May.

Direct flights from Barcelona to London Heathrow

Barcelona to London: Flight information

The things to know before you go.
Cheapest flight found£29
Cheapest month to flyMay
Average flight time2 hrs, 24 mins
Most popular airlineBritish Airways
Average flights per week453

Finding cheap flights from Barcelona to London Heathrow: Frequently asked questions

The best price we found for a return flight from Barcelona to London Heathrow is £58. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 24 minutes is the average flight time from Barcelona to London Heathrow.
British Airways, Iberia and Vueling Airlines fly direct from Barcelona to London Heathrow.
As of April 2026, there are 453 flights per week flying from Barcelona to London Heathrow.
The cheapest month to fly from Barcelona to London Heathrow is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Barcelona Airport to London Heathrow Airport on Thursday, 16 April 2026.
Yes – the average flight time is 2 hours and 24 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Vueling Airlines offers the cheapest flight tickets to London Heathrow.

Flying from Barcelona-El Prat Airport (BCN) to London Heathrow Airport (LHR): what you need to know

  • Around 2 hours 20 minutes is how long you can expect to be travelling on a direct flight from Barcelona-El Prat Airport to London Heathrow Airport.

  • The timezone in London is UTC+0, which is one hour behind Barcelona.

  • Each week, there are 157 Barcelona-El Prat Airport to London Heathrow Airport flights. If you'd like to be on board as soon as possible, go for the 06:40 British Airways flight. If you'd rather make the most of your time before flying, the last flight is at 21:20 with British Airways.

  • Arrive at the airport on time so you don't miss your BCN to LHR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • During popular months like July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you travel during a peak period in general.

  • British Airways is your ticket to exploring London (and maybe even some other great parts of United Kingdom!). Browse the direct flights from Barcelona-El Prat Airport to London Heathrow Airport offered by this airline.

  • The majority of passengers choose to fly with British Airways on this route.

  • Among carriers operating BCN to LHR flights, British Airways has the best record for on-time arrivals.

  • If you'd like to add a stop to your trip, simply deselect 'Direct flights only' when searching for your ticket from Barcelona-El Prat Airport to London Heathrow Airport. Here are the top stopovers between BCN and LHR:

    • Paris Orly Airport

    • Charles de Gaulle Airport

    • Brussels Airport

How to find the cheapest flights from Barcelona-El Prat Airport (BCN) to London Heathrow Airport (LHR)

  • The lowest price we've found for a one-way Barcelona-El Prat Airport to London Heathrow Airport flight is £29. A round-trip fare is currently £58. Depending on the availability and when you book, these fares could change.

  • Score cheap tickets from BCN to LHR by booking at least six months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • May is the cheapest month for flights from Barcelona-El Prat Airport to London Heathrow Airport. If you need to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

  • Save time looking for cheap flights from BCN to LHR by creating a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Tailor your trip with filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Barcelona-El Prat Airport to London Heathrow Airport.

Handy information about Barcelona-El Prat Airport (BCN)

  • When it comes to the on-time performance of Barcelona-El Prat Airport, 79.12% of flights stick to their scheduled arrival time.

  • Central Barcelona to Barcelona-El Prat Airport is approximately 11 miles. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, ride-sharing or catching a cab.

  • The journey on public transport takes about 35 minutes.

  • Get your break off to a hassle-free start by staying near BCN. Whether you're catching an early flight from Barcelona-El Prat Airport to London Heathrow Airport or just don't want to be rushed, these stays are ideal:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is roughly 19 miles from central London. The drive time takes around 55 minutes.

  • It'll take around 1 hour if you're travelling by public transport.

When to fly to London Heathrow Airport (LHR)

  • It's time to pick your dates for your flight from Barcelona-El Prat Airport to London Heathrow Airport. July is the busiest month to head to London. If you like a more relaxed vibe, go in February.

  • Before locking in your flight from Barcelona-El Prat Airport to London Heathrow Airport, think about the kind of weather you like. July is the warmest month in London, with the temperature ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • If you want to travel in cooler conditions, search for a cheap ticket from BCN to LHR in January. Temperatures average between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be explored once you've taken in the sights of London. Around 100 miles away to the north-west, its best attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another must-experience destination in United Kingdom and is around 110 miles west of London. No trip is complete without visiting Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.