Cheap flights from San José to London from $397

The cheapest month to fly to London from San José is in February. Flight prices, which tend to average around $798, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from San José averaging around $827.

The cheapest day to depart from San José to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $764. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,267. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

You are more likely to see cheaper flights to London from San José when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $990 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from San José for as low as $843 on momondo.

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

You could potentially save up to 11% on your flight if you consider stops on a San José to London flight.

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

KLM, British Airways and Air France are the top three most popular airlines that fly to London from San José according to our data. KLM is the first choice among our users, with 43% of people opting to fly with this airline when traveling to London. Keep in mind that there are 6 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between San José and London have experienced a delay on any given week. The average delay length over the past 12 months has been 189 minutes.

Generally, flights departing in the evening 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. Saturday 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 17% of their flights experiencing any sort of delay.

Houston (IAH) was the most common stop: 24% of momondo users choosing 1-stop flights on this route connected there.

Flights via Madrid (MAD) offer the lowest average round-trip price of $787.

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 14h 23m.

Madrid (MAD) has the shortest average layover time for this route: 1h 53m.