Cheap flights from the United States to Costa Rica from $118

The cheapest month to fly to Costa Rica from United States is in September. Flight prices, which tend to average around $387, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then October is your next best option. Flight prices from United States to Costa Rica during October average around $415.

According to our data, Thursday is the cheapest day to fly to Costa Rica from United States. The lowest ticket price found for a Thursday departure recently was $477. 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 Sunday because tickets tend to average around $523. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

In the morning is the cheapest time of day to fly from United States to Costa Rica when you can find flight prices for as low as $432. Flying to Costa Rica in the morning is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the afternoon, with an average ticket price of $536. Departure times in the afternoon 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 United States - Costa Rica flight prices

You are more likely to see cheaper flights to Costa Rica from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from United States for as low as $375 on momondo.

JetBlue, Frontier, and Delta are the most popular carriers operating from United States to Costa Rica

United Airlines, American Airlines and JetBlue are the top three most popular airlines that fly to Costa Rica from United States according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 20 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 17% of flights between United States and Costa Rica have experienced a delay on any given week. The average delay length over the past 12 months has been 128 minutes.

Generally, flights departing at night 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 7% of their flights experiencing any sort of delay.

As of May 2026, 18 flights take off from United States and land in Costa Rica each day. The most common flight departure time for this route is 10:00AM, with 38% of daily flights taking off in the afternoon.

As of May 2026, 128 flights take off from United States and land in Costa Rica each week. The most common flight departure day for this route is Sat, with 17% of weekly flights taking off on this day.