Cheap American Airlines Flights from Philadelphia to San Diego (PHL→SAN)

You can find affordable return American Airlines flights from PHL to SAN by organising your results from "Price (lowest to highest)" on Expedia. Or search for options for a one-way journey.*

*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.

American Airlines flights to San Diego tend to be cheaper in the low-season months of January and November. Whether you're in search of a round-trip or one-way ticket, you could score a better deal then.

You can easily fly from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN) on one of American Airlines's 14 direct weekly flights. Apply Expedia's "Nonstop" and "Airline" filters to find the American Airlines flight that'll get you to SAN at a time that suits you.

Leave Philadelphia Intl. Airport (PHL) for San Diego Intl. Airport (SAN) on a direct American Airlines flight, and you'll be airborne for about 6h.

American Airlines has the most flights from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN) on Thursday. With up to 2 daily departures, you'll get the most flexibility and choice on this day.

American Airlines flights from Philadelphia Intl. Airport (PHL) to San Diego come in to San Diego Intl. Airport (SAN). This is the main gateway to this destination.

For the Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN) route, American Airlines typically flies Airbus A321neo and Airbus A321 planes. Keep in mind that last-minute changes are possible for operational needs, so your flight may be on a different aircraft.

Depending on your fare type, a fee generally applies if you cancel or change your booking more than 24 hours after confirmation. To find tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when you search for flights. For more information on cancelling or changing your reservation, go to "Trips," select your flight and tick "Manage Booking."