Cheap flights from London to San José from £356

The cheapest month to fly to San José from London is in May. Flight prices, which tend to average around £379, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to San José from London during October instead. Flights to San José in October, while not as cheap as those in May, still average around £437.

The cheapest day to depart from London to San José is on a Monday when prices can be found for as low as £769. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £923. These prices are subject to change though, so be sure to set up a Price Alert for flights to San José.

Fly from London Gatwick to San José Juan Santamaria Intl for the best London - San José Juan Santamaria Intl flight prices

You are more likely to see cheaper flights to San José from London when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around £662 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from London for as low as £604 on momondo.

You could potentially save up to 32% on your flight if you consider stops on a London to San José flight.

Avianca and KLM are the most popular carriers operating from London to San José Juan Santamaria Intl

United Airlines, Lufthansa and Air Canada are the top three most popular airlines that fly to San José from London according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when travelling to San José. Keep in mind that there are 12 different airlines that fly to San José on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between London and San José have experienced a delay on any given week. The average delay length over the past 12 months has been 158 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 22% of their flights experiencing any sort of delay.

Houston (IAH) was the most common stop: 20% of momondo users choosing one-stop flights on this route connected there.

Flights via Bogotá (BOG) offer the lowest average return price of £576.

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 13h 20m.

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 31m.