If you're looking to fly from London Heathrow to Barcelona, you might like to know that 20 / Feb / 2025 currently has the cheapest flights. At the moment, there are five airlines flying to Barcelona. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Barcelona.
There are 467 flights from London Heathrow to or via Barcelona every week. Out of the five available airlines, the most popular ones are Air France, Aer Lingus & British Airways. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
Generally speaking, the flight from London Heathrow to Barcelona takes around 3 hrs 35 mins. The fastest flight takes 2 hrs 5 mins to cover the 1149 km distance. You can view all flight times yourself in the results list.
If you want to travel in August, it's best to book your flights early, as this is peak season in Barcelona. The cheapest month to fly is normally April – try searching three to four months prior to then to get a bargain. You can also search by month, which will reveal the cheapest time of the week to fly.
