Cheap flights from New York John F Kennedy Intl Airport to San Juan from $138

If you’re not able to fly to San Juan in October, then September is your next best option. Flight prices from New York John F Kennedy Intl Airport to San Juan during September average around $253.

The cheapest day to depart from New York John F Kennedy Intl Airport to San Juan is on a Monday when prices can be found for as low as $340. The most expensive day to fly to San Juan is Thursday, with ticket prices averaging around $380.

The cheapest time of day to fly to San Juan is at noon when flights can be purchased for as low as $303. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $372 on average. Flights to San Juan from New York John F Kennedy Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from New York John F Kennedy Intl to San Juan Luis Munoz Marin Intl for the best New York John F Kennedy Intl - San Juan flight prices

You are more likely to see cheaper flights to San Juan from New York John F Kennedy Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $333 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from New York John F Kennedy Intl Airport for as low as $284 on momondo.

There are 4 cabin classes available to choose from on New York John F Kennedy Intl Airport to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta is the most popular carrier operating from New York John F Kennedy Intl to San Juan

JetBlue, Delta and Frontier are the top three most popular airlines that fly to San Juan from New York John F Kennedy Intl Airport according to our data. JetBlue is the first choice among our users, with 56% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 4 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between New York and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 159 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.

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 18% of their flights experiencing any sort of delay.

The number of flights available between New York John F Kennedy Intl Airport and San Juan is 29 per day as of July 2026. The most frequent departure time is 12:00PM, with 38% of daily flights leaving in the evening.

209 flights are operational weekly from New York John F Kennedy Intl Airport to San Juan as of July 2026. The most popular departure day for this route is Thu, with 24% of flights per week taking off on this day.