Cheap flights from Barcelona to London from $46

If you aren’t able to travel during the month of February, then book flights to London from Barcelona during October instead. Flights to London in October, while not as cheap as those in February, still average around $107.

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $143. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Barcelona to London for around $506.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as $153. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around $517.

Fly from Girona Costa Brava 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 $240 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 $223 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 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, 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.

21 flights are operational daily from Barcelona to London as of June 2026. The most popular departure time for this route is 07:00, with 47% of flights per day taking off at midday.

150 flights are operational weekly from Barcelona to London as of June 2026. The most popular departure day for this route is Mon, with 26% of flights per week taking off on this day.