Cheap flights from the United Kingdom to Barcelona from £15

The cheapest month to fly to Barcelona-El Prat Airport from United Kingdom is in November. Flight prices, which tend to average around £73, 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 United Kingdom during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in November, still average around £75.

According to our data, Monday is the cheapest day to fly to Barcelona-El Prat Airport from United Kingdom. The lowest ticket price found for a Monday departure recently was £106. 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 £132.

Flying to Barcelona-El Prat Airport from United Kingdom in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £114 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 £123 on average. Flights to Barcelona-El Prat Airport from United Kingdom in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around £143 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 United Kingdom for as low as £113 on momondo.

There are 4 cabin classes available to choose from on United Kingdom to Barcelona-El Prat Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair, easyJet, and Vueling are the most popular carriers operating from United Kingdom to Barcelona-El Prat

Ryanair, Vueling and easyJet are the top three most popular airlines that fly to Barcelona-El Prat Airport from United Kingdom according to our data. Ryanair is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Barcelona-El Prat Airport. Keep in mind that there are 12 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 21% of flights between United Kingdom and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 121 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, 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.

35 flights are operational daily from United Kingdom to Barcelona-El Prat Airport as of October 2026. The most popular departure time for this route is 09:00, with 44% of flights per day taking off at midday.

As of October 2026, 245 flights take off from United Kingdom and land in Barcelona-El Prat Airport each week. The most common flight departure day for this route is Thu, with 37% of weekly flights taking off on this day.