Cheap flights from Barcelona-El Prat Airport to London from $63

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Barcelona-El Prat Airport, with most prices found around $184. If you aren’t able to travel during the month of January, then book flights to London Heathrow Airport from Barcelona-El Prat Airport during February instead. Flights to London Heathrow Airport in February, while not as cheap as those in January, still average around $198.

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

You are more likely to see cheaper flights to London Heathrow Airport from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $235 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Barcelona-El Prat Airport for as low as $205 on momondo.

There is only 1 cabin class available to choose from on Barcelona-El Prat Airport to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 14% on your flight if you consider stops on a Barcelona-El Prat Airport to London Heathrow Airport flight.

As of September 2026, prices for Barcelona-El Prat Airport to London Heathrow Airport flights are approximately 26% cheaper when compared to flights at the same time last year.

Historically, on average around 14% of flights between Barcelona and London 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Vueling have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of September 2026, 8 flights take off from Barcelona-El Prat Airport and land in London Heathrow Airport each day. The most common flight departure time for this route is 07:00, with 46% of daily flights taking off at midday.

As of September 2026, 60 flights take off from Barcelona-El Prat Airport and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 58% of weekly flights taking off on this day.