Cheap flights from London Gatwick Airport to Barcelona from $51

In general, January is the cheapest month to fly from London Gatwick Airport to Barcelona-El Prat Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $129. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from London Gatwick Airport during November instead. Flights to Barcelona-El Prat Airport in November, while not as cheap as those in January, still average around $132.

Our data shows that Wednesday is the least expensive day to fly to Barcelona-El Prat Airport. Tickets to fly out on this day can be as low as $158. The most expensive day to fly to Barcelona-El Prat Airport is Monday, with ticket prices averaging around $321.

Our most recent data shows that the best time of day to fly to Barcelona-El Prat Airport is in the evening. Flights from London Gatwick Airport to Barcelona-El Prat Airport during this time can be as low as $189. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $239 on average. Flights to Barcelona-El Prat Airport from London Gatwick Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $190 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from London Gatwick Airport for as low as $158 on momondo.

There is only 1 cabin class available to choose from on London Gatwick 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 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 122 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. Monday 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 19% of their flights experiencing any sort of delay.

The number of flights available between London Gatwick Airport and Barcelona-El Prat Airport is 7 per day as of October 2026. The most frequent departure time is 13:00, with 41% of daily flights leaving in the afternoon.

As of October 2026, 51 flights take off from London Gatwick Airport and land in Barcelona-El Prat Airport each week. The most common flight departure day for this route is Thu, with 39% of weekly flights taking off on this day.