Cheap flights from Barcelona-El Prat Airport to London from C$ 37

In general, November is the cheapest month to fly from Barcelona-El Prat Airport to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 96. If you aren’t able to travel to London during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 111.

According to our data, Saturday is the cheapest day to fly to London from Barcelona-El Prat Airport. The lowest ticket price found for a Saturday departure recently was C$ 140. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Barcelona-El Prat Airport to London for around C$ 1,165.

Our most recent data shows that the best time of day to fly to London is in the afternoon. Flights from Barcelona-El Prat Airport to London during this time can be as low as C$ 142. At noon is when there is more demand to fly to London, so prices are often more expensive at around C$ 798 per ticket.

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

You are more likely to see cheaper flights to London from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around C$ 236 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Barcelona-El Prat Airport for as low as C$ 209 on momondo.

There are 3 cabin classes available to choose from on Barcelona-El Prat to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Barcelona-El Prat Airport to London.

As of March 2026, prices for Barcelona-El Prat Airport to London flights are approximately 30% more expensive when compared to flights at the same time last year.

Historically, on average around 19% 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 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, Vueling has had the least delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

As of March 2026, 12 flights take off from Barcelona-El Prat Airport and land in London each day. The most common flight departure time for this route is 7:00a.m., with 47% of daily flights taking off at noon.

The number of flights available between Barcelona-El Prat Airport and London is 89 per week as of March 2026. The most frequent departure day is Fri, with 35% of weekly flights leaving on this day.