Cheap flights from Costa Rica to London from £241

The cheapest month to fly to London from Costa Rica is in February. Flight prices, which tend to average around £601, 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 Costa Rica averaging around £616.

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £605. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Costa Rica to London for around £1,190.

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

You are more likely to see cheaper flights to London from Costa Rica when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £752 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Costa Rica for as low as £625 on momondo.

There is only 1 cabin class available to choose from on Costa Rica 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 61% on your flight if you consider stops on a Costa Rica to London flight.

Historically, on average around 17% of flights between Costa Rica 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 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. 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 17% of their flights experiencing any sort of delay.

The number of flights available between Costa Rica and London is 10 per week as of October 2026. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.

Flight times from Costa Rica to London vary, but if you’re flying out of San José and flying into London Heathrow Airport (one of the most popular routes), then the duration is 10h 10m on average. Another popular route from Costa Rica to London is flying from Liberia to London Heathrow Airport, which will take roughly 14h 55m. Keep in mind that layovers or delays could extend your travel time.