Cheap flights from Newark Airport to Costa Rica from $168

The cheapest month to fly to Costa Rica from Newark Airport is in September. Flight prices, which tend to average around $129, 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 Newark Airport to Costa Rica during October average around $141.

According to our data, Tuesday is the cheapest day to fly to Costa Rica from Newark Airport. The lowest ticket price found for a Tuesday departure recently was $483. 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 $633. 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 Newark Airport to Costa Rica when you can find flight prices for as low as $553. 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 $569. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Costa Rica from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $521 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Newark Airport for as low as $459 on momondo.

Delta and United Airlines are the most popular carriers operating from Newark to Costa Rica

United Airlines, Spirit Airlines and American Airlines are the top three most popular airlines that fly to Costa Rica from Newark Airport according to our data. United Airlines is the first choice among our users, with 83% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 9 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 19% of flights between Newark and Costa Rica have experienced a delay on any given week. The average delay length over the past 12 months has been 167 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Wednesday 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, United Airlines have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

2 flights are operational daily from Newark Airport to Costa Rica as of May 2026. The most popular departure time for this route is 7:00AM, with 100% of flights per day taking off at noon.

The number of flights available between Newark Airport and Costa Rica is 17 per week as of May 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.