Cheap flights from New York to San Juan from £100

The cheapest month to fly to San Juan from New York is in October. Flight prices, which tend to average around £156, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to San Juan from New York during September instead. Flights to San Juan in September, while not as cheap as those in October, still average around £198.

The cheapest day to depart on your flight to San Juan is on a Wednesday when prices can be found for as low as £115. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to San Juan is Sunday, with ticket prices averaging around £288.

In the evening is the cheapest time of day to fly from New York to San Juan when you can find flight prices for as low as £219. Flying to San Juan in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of £283.

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

You are more likely to see cheaper flights to San Juan from New York when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around £241 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from New York for as low as £202 on momondo.

There are 3 cabin classes available to choose from on New York to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 23% 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 158 minutes.

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

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

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

As of June 2026, there are 8 flights per day flying from New York to San Juan. The most common time of day flights depart is 21:00, with 44% of flights taking off in the evening.

59 flights are operational weekly from New York to San Juan as of June 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.