Cheap flights from London Gatwick Airport to Barcelona from $35

The month of January is, on average, the cheapest month to fly to Barcelona from London Gatwick Airport, with most prices found around $91. If you don’t want to visit Barcelona in January, then you should wait until November to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of $94.

The cheapest day to depart from London Gatwick Airport to Barcelona is on a Monday when prices can be found for as low as $120. On the other hand, Saturday is the most expensive day to depart from London Gatwick Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $173.

In the afternoon is the cheapest time of day to fly from London Gatwick Airport to Barcelona when you can find flight prices for as low as $133. Flying to Barcelona in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $165 on average. Flights to Barcelona from London Gatwick Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Barcelona from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $134 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from London Gatwick Airport for as low as $111 on momondo.

There are 2 cabin classes available to choose from on London Gatwick Airport to Barcelona 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 in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of 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 is 6 per day as of November 2026. The most frequent departure time is 1:00PM, with 56% of daily flights leaving in the afternoon.

The number of flights available between London Gatwick Airport and Barcelona is 42 per week as of November 2026. The most frequent departure day is Mon, with 67% of weekly flights leaving on this day.