Cheap flights from Philadelphia to San Juan from £79

If you aren’t able to travel during the month of September, 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 September, still average around £186.

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 £236 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 £219 on momondo.

There is only 1 cabin class available to choose from on Philadelphia to San Juan Luis Munoz Marin Intl Airport 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 29% 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 145 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.

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

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

5 flights are operational daily from Philadelphia to San Juan Luis Munoz Marin Intl Airport as of September 2026. The most popular departure time for this route is 09:00, with 77% of flights per day taking off at midday.

As of September 2026, there are 38 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 16% of flights taking off on this day.