Cheap flights from London to Barcelona from £25

The cheapest month to fly to Barcelona-El Prat Airport from London is in November. Flight prices, which tend to average around £81, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from London during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in November, still average around £86.

According to our data, Monday is the cheapest day to fly to Barcelona-El Prat Airport from London. The lowest ticket price found for a Monday departure recently was £117. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Barcelona-El Prat Airport is Friday, with ticket prices averaging around £143.

Flying to Barcelona-El Prat Airport from London in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £119 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £137 on average. Flights to Barcelona-El Prat Airport from London in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around £142 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from London for as low as £128 on momondo.

No. A direct flight is the cheapest option for a flight between London to Barcelona-El Prat Airport.

As of April 2026, prices for London to Barcelona-El Prat Airport flights are approximately 43% more expensive when compared to flights at the same time last year.

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

Vueling, Ryanair and British Airways are the top three most popular airlines that fly to Barcelona-El Prat Airport from London according to our data. Vueling is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Barcelona-El Prat Airport. Keep in mind that there are 10 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between London and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 117 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. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

As of April 2026, there are 37 flights per day flying from London to Barcelona-El Prat Airport. The most common time of day flights depart is 09:00, with 44% of flights taking off at midday.

259 flights are operational weekly from London to Barcelona-El Prat Airport as of April 2026. The most popular departure day for this route is Wed, with 29% of flights per week taking off on this day.