Cheap flights from London to Barcelona from C$ 52

The cheapest month to fly to Barcelona-El Prat Airport from London is in November. Flight prices, which tend to average around C$ 148, are often lower during this time because this is during the off-season. If you are unable to visit Barcelona-El Prat Airport during the month of November, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around C$ 158.

The cheapest day to depart from London to Barcelona-El Prat Airport is on a Tuesday. Travellers who choose to depart for Barcelona-El Prat Airport on a Tuesday will often find tickets for as low as C$ 139. On the other hand, Friday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 348.

Our most recent data shows that the best time of day to fly to Barcelona-El Prat Airport is in the afternoon. Flights from London to Barcelona-El Prat Airport during this time can be as low as C$ 158. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 273 on average. Flights to Barcelona-El Prat Airport from London in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 C$ 260 when searching weeks out. 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 C$ 236 on momondo.

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 117 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 has had the least delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

The number of flights available between London and Barcelona-El Prat Airport is 24 per day as of May 2026. The most frequent departure time is 9:00a.m., with 43% of daily flights leaving at noon.

As of May 2026, 169 flights take off from London and land in Barcelona-El Prat Airport each week. The most common flight departure day for this route is Sat, with 33% of weekly flights taking off on this day.