Cheap flights from the United Kingdom to Costa Rica from £245

The month of September is, on average, the cheapest month to fly to Costa Rica from United Kingdom, with most prices found around £612. If you are unable to visit Costa Rica during the month of September, then departing from United Kingdom during the month October is also very affordable. Most momondo users find prices during this month for around £616.

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

You are more likely to see cheaper flights to Costa Rica from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around £664 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from United Kingdom for as low as £612 on momondo.

There is only 1 cabin class available to choose from on United Kingdom to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Avianca, WestJet, and KLM are the most popular carriers operating from United Kingdom to Costa Rica

United Airlines, Lufthansa and KLM are the top three most popular airlines that fly to Costa Rica from United Kingdom according to our data. United Airlines is the first choice among our users, with 29% of people opting to fly with this airline when travelling to Costa Rica. Keep in mind that there are 13 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between United Kingdom and Costa Rica have experienced a delay on any given week. The average delay length over the past 12 months has been 144 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 25% of their flights experiencing any sort of delay.

As of March 2026, there are 2 flights per week flying from United Kingdom to Costa Rica. The most common day of the week flights depart is Thu, with 50% of flights taking off on this day.

The average flight duration from United Kingdom to Costa Rica depends on which airport you fly into and out of. Flying from London to San José is 15h on average, while flying from Edinburgh to San José is 17h 10m on average. San José is the most popular airport in Costa Rica.