Cheap flights from Newark Airport to San José from $187

In general, October is the cheapest month to fly from Newark Airport to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $385. If you don’t want to visit San José in October, then you should wait until November to fly from Newark Airport, when ticket prices are also cheap, with an average price of $430.

On average, the least expensive day to fly to San José from Newark Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $471. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Newark Airport to San José on a Sunday will generally be more expensive and average around $593. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Newark Airport to San José flights are usually those with departure times in the evening. Our users have found flights to San José in the evening for as low as $471. Flights in the morning are often more expensive with an average ticket price of $548.

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

You are more likely to see cheaper flights to San José from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $544 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Newark Airport for as low as $485 on momondo.

There are 4 cabin classes available to choose from on Newark Airport to San José flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Newark Airport to San José.

As of July 2026, prices for Newark Airport to San José flights are approximately 1% cheaper when compared to flights at the same time last year.

United Airlines is the most popular carrier operating from Newark to San José Juan Santamaria Intl

United Airlines, American Airlines and JetBlue are the top three most popular airlines that fly to San José from Newark Airport according to our data. United Airlines is the first choice among our users, with 91% of people opting to fly with this airline when traveling to San José. Keep in mind that there are 8 different airlines that fly to San José on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Newark and San José have experienced a delay on any given week. The average delay length over the past 12 months has been 163 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 17% of their flights experiencing any sort of delay.

Atlanta (ATL) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

Flights via Santo Domingo (SDQ) offer the lowest average round-trip price of $413.

Flights connecting via Fort Lauderdale (FLL) have the shortest average one-way travel time: 6h 56m.

Panama City (PTY) has the shortest average layover time for this route: 1h 22m.

The number of flights available between Newark Airport and San José is 2 per day as of July 2026. The most frequent departure time is 8:00AM, with 50% of daily flights leaving at noon.

14 flights are operational weekly from Newark Airport to San José as of July 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.