Cheap flights from London to Barcelona from €31

If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from London during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in November, still average around €88.

Our data shows that Thursday is the least expensive day to fly to Barcelona-El Prat Airport. Tickets to fly out on this day can be as low as €113. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Barcelona-El Prat Airport on Friday is €198.

Our data shows that the cheapest London to Barcelona-El Prat Airport flights are usually those with departure times in the morning. Our users have found flights to Barcelona-El Prat Airport in the morning for as low as €127. Flights to Barcelona-El Prat Airport are more costly at midday, with an average ticket price of €160. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around €162 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 London for as low as €124 on momondo.

There is only 1 cabin class available to choose from on London 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.

Historically, on average around 20% 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 120 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.

As of September 2026, 13 flights take off from London and land in Barcelona-El Prat Airport each day. The most common flight departure time for this route is 09:00, with 46% of daily flights taking off at midday.

The number of flights available between London and Barcelona-El Prat Airport is 91 per week as of September 2026. The most frequent departure day is Wed, with 63% of weekly flights leaving on this day.