Cheap flights from Philadelphia to San Juan from £121

If you aren’t able to travel during the month of October, then book flights to San Juan Luis Munoz Marin Intl Airport from Philadelphia during January instead. Flights to San Juan Luis Munoz Marin Intl Airport in January, while not as cheap as those in October, still average around £187.

Fly from Philadelphia to San Juan Luis Munoz Marin Intl for the best Philadelphia - San Juan Luis Munoz Marin Intl flight prices

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around £214 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 Luis Munoz Marin Intl Airport from Philadelphia for as low as £197 on momondo.

There is only 1 cabin class available to choose from on Philadelphia to San Juan Luis Munoz Marin Intl 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 31% of flights between Philadelphia and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 144 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.

Tuesday 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, Spirit Airlines have had the fewest delays on this route over the last 12 months, with about 26% of their flights experiencing any sort of delay.

6 flights are operational daily from Philadelphia to San Juan Luis Munoz Marin Intl Airport as of March 2026. The most popular departure time for this route is 20:00, with 53% of flights per day taking off in the evening.

As of March 2026, there are 42 flights per week flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.