Cheap flights from London to Barcelona from $35

The month of November is, on average, the cheapest month to fly to Barcelona from London, with most prices found around $104. If you don’t want to visit Barcelona in November, then you should wait until October to fly from London, when ticket prices are also cheap, with an average price of $114.

The cheapest day to depart from London to Barcelona is on a Monday when prices can be found for as low as $129. On the other hand, Friday is the most expensive day to depart from London because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $184.

At noon is the cheapest time of day to fly from London to Barcelona when you can find flight prices for as low as $139. Flying to Barcelona at noon 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 morning when prices are $187 on average. Flights to Barcelona from London in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Barcelona from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $191 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from London for as low as $154 on momondo.

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

easyJet, Wizz Air, and Vueling are the most popular carriers operating from London to Barcelona

Vueling, British Airways and Ryanair are the top three most popular airlines that fly to Barcelona from London according to our data. Vueling is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 4 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% 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 119 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. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 18% of their flights experiencing any sort of delay.

The number of flights available between London and Barcelona is 38 per day as of July 2026. The most frequent departure time is 9:00AM, with 49% of daily flights leaving at noon.

As of July 2026, 266 flights take off from London and land in Barcelona each week. The most common flight departure day for this route is Sun, with 30% of weekly flights taking off on this day.