Cheap flights from Barcelona to London from $31

The cheapest month to fly to London from Barcelona is in November. Flight prices, which tend to average around $81, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Barcelona averaging around $89.

The cheapest day to depart from Barcelona to London is on a Friday. Travelers who choose to depart for London on a Friday will often find tickets for as low as $134. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $197. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Barcelona in the evening is the least expensive time of day to depart. momondo users have found prices as low as $124 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $231. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to London from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $169 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Barcelona for as low as $147 on momondo.

There are 4 cabin classes available to choose from on Barcelona 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 Vueling are the most popular carriers operating from Barcelona to London

Vueling, British Airways and Ryanair are the top three most popular airlines that fly to London from Barcelona according to our data. Vueling is the first choice among our users, with 46% of people opting to fly with this airline when traveling 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 123 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

As of September 2026, 33 flights take off from Barcelona and land in London each day. The most common flight departure time for this route is 7:00AM, with 51% of daily flights taking off at noon.

234 flights are operational weekly from Barcelona to London as of September 2026. The most popular departure day for this route is Thu, with 32% of flights per week taking off on this day.