Cheap flights from London Heathrow Airport to Barcelona from C$ 65

The cheapest month to fly to Barcelona-El Prat Airport from London Heathrow Airport is in November. Flight prices, which tend to average around C$ 183, 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 Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around C$ 187.

The cheapest day to depart from London Heathrow Airport 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, Thursday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 300.

Our most recent data shows that the best time of day to fly to Barcelona-El Prat Airport is at noon. Flights from London Heathrow Airport to Barcelona-El Prat Airport during this time can be as low as C$ 208. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 285 on average. Flights to Barcelona-El Prat Airport from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around C$ 270 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 Heathrow Airport for as low as C$ 222 on momondo.

There are 2 cabin classes available to choose from on London Heathrow Airport 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 18% 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 116 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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. Friday 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 17% of their flights experiencing any sort of delay.

As of June 2026, there are 14 flights per day flying from London Heathrow Airport to Barcelona-El Prat Airport. The most common time of day flights depart is 9:00a.m., with 44% of flights taking off at noon.

104 flights are operational weekly from London Heathrow Airport to Barcelona-El Prat Airport as of June 2026. The most popular departure day for this route is Sat, with 38% of flights per week taking off on this day.