Cheap flights from Barcelona to London from £18

The cheapest month to fly to London Luton Airport from Barcelona is in January. Flight prices, which tend to average around £35, are often lower during this time because this is during the off-season. If you don’t want to visit London Luton Airport in January, then you should wait until October to fly from Barcelona, when ticket prices are also cheap, with an average price of £49.

The cheapest day to depart from Barcelona to London Luton Airport is on a Tuesday. Travellers who choose to depart for London Luton Airport on a Tuesday will often find tickets for as low as £24. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Luton Airport on Friday is £70.

Our data shows that the cheapest Barcelona to London Luton Airport flights are usually those with departure times in the evening. Our users have found flights to London Luton Airport in the evening for as low as £29. Try not to purchase tickets in the afternoon because they tend to be around £66. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to London Luton Airport from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to London Luton Airport for around £73 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Luton Airport from Barcelona for as low as £28 on momondo.

There is only 1 cabin class available to choose from on Barcelona to London Luton 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 27% 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 127 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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, easyJet have had the fewest delays on this route over the last 12 months, with about 22% of their flights experiencing any sort of delay.

As of March 2026, there are 1 flights per day flying from Barcelona to London Luton Airport. The most common time of day flights depart is 10:00, with 60% of flights taking off at midday.

12 flights are operational weekly from Barcelona to London Luton Airport as of March 2026. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.