Cheap flights from Miami to Costa Rica from $108

The cheapest month to fly to Costa Rica from Miami is in October. Flight prices, which tend to average around $232, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then August is your next best option. Flight prices from Miami to Costa Rica during August average around $235.

According to our data, Friday is the cheapest day to fly to Costa Rica from Miami. The lowest ticket price found for a Friday departure recently was $276. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $324. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

At noon is the cheapest time of day to fly from Miami to Costa Rica when you can find flight prices for as low as $267. Flying to Costa Rica at noon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $370. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Miami to San José Juan Santamaria Intl 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 $291 when searching weeks out. 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 $242 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.

Avianca, United Airlines, and Delta are the most popular carriers operating from Miami to Costa Rica

American Airlines, Avianca and JetBlue are the top three most popular airlines that fly to Costa Rica from Miami according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 8 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 15% 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 127 minutes.

Generally, flights departing in the morning 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. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

As of April 2026, 9 flights take off from Miami and land in Costa Rica each day. The most common flight departure time for this route is 12:00PM, with 42% of daily flights taking off in the afternoon.

As of April 2026, 67 flights take off from Miami and land in Costa Rica each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.