Cheap flights from London to Barcelona from €30

If you aren’t able to travel during the month of November, then book flights to Barcelona from London during January instead. Flights to Barcelona in January, while not as cheap as those in November, still average around €102.

Flying to Barcelona from London in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as €153 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to Barcelona, so prices are often more expensive at around €230 per ticket.

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

You are more likely to see cheaper flights to Barcelona from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around €167 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from London for as low as €135 on momondo.

Historically, on average around 19% 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 119 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.

42 flights are operational daily from London to Barcelona as of July 2026. The most popular departure time for this route is 09:00, with 48% of flights per day taking off at midday.

As of July 2026, there are 296 flights per week flying from London to Barcelona. The most common day of the week flights depart is Mon, with 24% of flights taking off on this day.