$243 Cheap American Airlines flights San Juan (SJU) to Philadelphia (PHL)

Landing cheap one-way American Airlines flights from SJU to PHL from $243 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $204 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Check for American Airlines flights from SJU to PHL about one month before you want to leave. The cheapest time to reserve an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your itinerary or fare class, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The earliest flight from SJU to PHL with American Airlines leaves at 6:00AM UTC-4. You'll land at 9:20AM UTC-5. The final American Airlines flight of the day leaves at 2:35PM UTC-4 and arrives at 5:55PM UTC-5. With approximately 20% fewer cancellations for early and mid-morning departures, beginning your travel day early is often the best choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.