Cheap flights from Barcelona to London from €27

In general, November is the cheapest month to fly from Barcelona to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €71. If you are unable to visit London during the month of November, then departing from Barcelona during the month October is also very affordable. Most momondo users find prices during this month for around €75.

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 €147 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 for as low as €122 on momondo.

There are 3 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.

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 124 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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 14% of their flights experiencing any sort of delay.

As of September 2026, 10 flights take off from Barcelona and land in London each day. The most common flight departure time for this route is 07:00, with 44% of daily flights taking off at midday.

The number of flights available between Barcelona and London is 74 per week as of September 2026. The most frequent departure day is Mon, with 61% of weekly flights leaving on this day.