Cheap flights from Barcelona-El Prat Airport to London from £19

The cheapest month to fly to London from Barcelona-El Prat Airport is in November. Flight prices, which tend to average around £52, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Barcelona-El Prat Airport averaging around £60.

Our data shows that Saturday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £66. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Barcelona-El Prat Airport to London for around £92.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £68. Flights in the afternoon are often more expensive, with an average ticket price of £96.

Fly from Barcelona-El Prat to London Luton for the best Barcelona-El Prat - London flight prices

You are more likely to see cheaper flights to London from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £128 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Barcelona-El Prat Airport for as low as £114 on momondo.

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

easyJet, Wizz Air, and Ryanair are the most popular carriers operating from Barcelona-El Prat to London

Vueling, British Airways and Ryanair are the top three most popular airlines that fly to London from Barcelona-El Prat Airport according to our data. Vueling is the first choice among our users, with 57% of people opting to fly with this airline when travelling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% of flights between Barcelona and London have experienced a delay on any given week. The average delay length over the past 12 months has been 120 minutes.

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.

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

According to our data, Vueling have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

As of March 2026, there are 39 flights per day flying from Barcelona-El Prat Airport to London. The most common time of day flights depart is 07:00, with 47% of flights taking off at midday.

As of March 2026, there are 275 flights per week flying from Barcelona-El Prat Airport to London. The most common day of the week flights depart is Mon, with 23% of flights taking off on this day.