Cheap flight tickets from London Heathrow to Barcelona

Compare London Heathrow to Barcelona flight deals

Find the cheapest month or even day of the year to fly to Barcelona

Book the best Barcelona fare with no extra fees

Flight deals from London Heathrow to Barcelona

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Barcelona? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London Heathrow to Barcelona

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

Direct flights from London Heathrow to Barcelona

London Heathrow to Barcelona: Alternative routes

Compare routes from London Heathrow to Barcelona below. You may find an airport to fly into that's cheaper, faster, or easier than Barcelona.

London to Barcelona: Flight information

The things to know before you go.
Cheapest flight foundRM349
Cheapest month to flyNovember
Average flight time2 hrs, 12 mins
Most popular airlineIberia
Average flights per week309

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

The best price we found for a return flight from London Heathrow to Barcelona is RM349. 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 12 minutes is the average flight time from London Heathrow to Barcelona.
Iberia, British Airways and American Airlines fly direct from London Heathrow to Barcelona.
As of September 2025, there are 309 flights per week flying from London Heathrow to Barcelona.
The cheapest month to fly from London Heathrow to Barcelona is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Barcelona Airport on Friday, 7 November 2025.
Yes – the average flight time is 2 hours and 12 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 Barcelona 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 Barcelona 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 Barcelona.

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

  • The average length of a direct flight from London Heathrow Airport to Barcelona-El Prat Airport is 2 hours 10 minutes.

  • Barcelona's timezone is UTC+1, which makes Barcelona one hour ahead of London.

  • You can choose from 236 weekly London Heathrow Airport to Barcelona-El Prat Airport flights. The 06:00 departure with British Airways is the earliest flight you can take. Vueling operates the latest service of the day at 20:50.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your LHR to BCN flight.

  • Be prepared for longer queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • Travelling to Barcelona (and then exploring more of Spain!) is a cinch with British Airways. This popular airline offers direct flights from London Heathrow Airport to Barcelona-El Prat Airport.

  • British Airways is the top choice for travellers on this route.

  • The most punctual carrier that offers LHR to BCN flights is British Airways. Its services land as scheduled 66.78% of the time.

  • Consider adding a stopover when booking your ticket from London Heathrow Airport to Barcelona-El Prat Airport. Simply deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Check out these options between LHR and BCN:

    • Charles de Gaulle Airport

    • Geneve Airport

    • Palma de Mallorca Airport

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

  • The lowest price we've found for a one-way London Heathrow Airport to Barcelona-El Prat Airport flight is RM190. A return ticket right now is RM349. Depending on the availability and when you book, these fares can change.

  • Book seven months before flying. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from LHR to BCN.

  • The cheapest month for flights from London Heathrow Airport to Barcelona-El Prat Airport is June. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.

  • Stay on top of deals for cheap flights from LHR to BCN by creating a Price Alert. You'll receive an email or notification through the app when a special offer becomes available.

  • Secure the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from London Heathrow Airport to Barcelona-El Prat Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about London Heathrow Airport (LHR)

  • 68.18% of flights that leave from London Heathrow Airport make it to their destination on time.

  • London Heathrow Airport is about 31 kilometres from central London. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 55 minutes or so to get there, depending on the traffic.

  • You can expect a trip time of around 1 hour when using public transport.

  • Booked an early flight from London Heathrow Airport to Barcelona-El Prat Airport? Avoid rushing to the airport (and get some extra shut-eye) by picking one of these hotels near LHR:

Arriving at Barcelona-El Prat Airport (BCN)

Getting from Barcelona-El Prat Airport (BCN) to central Barcelona

  • From Barcelona-El Prat Airport, Barcelona is approximately 18 kilometres away. It takes around 25 minutes to get to the centre driving.

  • It typically takes 35 minutes if you're travelling by public transport.

When to fly to Barcelona-El Prat Airport (BCN)

  • The quietest month for a flight from London Heathrow Airport to Barcelona-El Prat Airport is January, while July is the busiest. Choose the ideal time to go to Barcelona based on whether you prefer a faster pace or a more relaxed vibe.

  • Book your flight from London Heathrow Airport to Barcelona-El Prat Airport for August if you want to visit Barcelona during its warmest month. You can expect temperatures of between 20ºC (68ºF) and 31ºC (88ºF).

  • If you want cooler conditions, search for a cheap ticket from LHR to BCN in January. Average temperatures are between 5ºC (41ºF) and 14ºC (57ºF) then.

Explore more of Spain

  • You've seen Barcelona, now it's time to explore other parts of Spain. Journey about 257 kilometres west to Zaragoza to tick off its top attractions. From Puente de Piedra to Museo Pablo Gargallo and El Tubo, you've got a jam-packed schedule ahead.

  • Around 402 kilometres west of Barcelona, Logroño is another essential stop in Spain. Experience this destination's highlights firsthand at Concatedral de Santa Maria de la Redonda, Museo de la Rioja and Iglesia de Santiago el Real.

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