Cheap flights from London to Barcelona from $44

If you are unable to visit Barcelona during the month of January, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around $155.

The cheapest day to depart on your flight to Barcelona is on a Wednesday when prices can be found for as low as $161. This is often the case because there is less demand to fly during this day of the week. Flights from London to Barcelona on a Sunday will generally be more expensive and average around $334. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

At midday is the cheapest time of day to fly from London to Barcelona when you can find flight prices for as low as $186. Flying to Barcelona at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $244. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Gatwick 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 $274 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 $213 on momondo.

There is only 1 cabin class available to choose from on London to Barcelona 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 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, 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 November 2026, there are 23 flights per day flying from London to Barcelona. The most common time of day flights depart is 09:00, with 46% of flights taking off at midday.

As of November 2026, there are 165 flights per week flying from London to Barcelona. The most common day of the week flights depart is Tue, with 36% of flights taking off on this day.