Cheap flights from Miami to Costa Rica from £138

The month of February is, on average, the cheapest month to fly to Costa Rica from Miami, with most prices found around £205. If you are unable to visit Costa Rica during the month of February, then departing from Miami during the month October is also very affordable. Most momondo users find prices during this month for around £236.

Our data shows that Monday is the least expensive day to fly to Costa Rica. Tickets to fly out on this day can be as low as £210. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Miami to Costa Rica for around £360.

According to our data, the cheapest time of day to fly to Costa Rica is at midday. momondo users have found flights departing from Miami to Costa Rica at midday for as low as £245. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive, with an average ticket price of £292.

Fly from Miami to Liberia for the best Miami - Costa Rica flight prices

You are more likely to see cheaper flights to Costa Rica from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around £258 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 Miami for as low as £225 on momondo.

There are 2 cabin classes available to choose from on Miami to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 17% of flights between Miami and Costa Rica have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing at night 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. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Avianca have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

As of September 2026, there are 1 flights per day flying from Miami to Costa Rica. The most common time of day flights depart is 18:00, with 40% of flights taking off at midday.

As of September 2026, there are 12 flights per week flying from Miami to Costa Rica. The most common day of the week flights depart is Tue, with 25% of flights taking off on this day.