American Airlines Cheap Flights from Philadelphia to San Diego: AA PHL→SAN

View HK$3,197 flight on Tue, 7 Oct 2025Opens in a new window
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Prices were available within the past 7 days and start at HK$3,197 for one-way flights and HK$4,046 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 22 Sept - Mon, 29 Sept
PHL
Philadelphia
SAN
San Diego
HK$4,046 Return, found 2 days ago
HK$4,046
Return
found 2 days ago
Select American Airlines flight, departing Mon, 22 Sept from Philadelphia to San Diego, returning Mon, 29 Sept, priced at HK$4,046 found 2 days ago
American Airlines
Mon, 22 Sept - Mon, 29 Sept
PHL
Philadelphia
SAN
San Diego
HK$4,122 Return, found 2 days ago
HK$4,122
Return
found 2 days ago
Select American Airlines flight, departing Mon, 22 Sept from Philadelphia to San Diego, returning Mon, 29 Sept, priced at HK$4,122 found 2 days ago
American Airlines
Mon, 22 Sept - Mon, 29 Sept
PHL
Philadelphia
SAN
San Diego
HK$4,626 Return, found 2 days ago
HK$4,626
Return
found 2 days ago
Select American Airlines flight, departing Mon, 22 Sept from Philadelphia to San Diego, returning Mon, 29 Sept, priced at HK$4,626 found 2 days ago
American Airlines
Mon, 22 Sept - Mon, 29 Sept
PHL
Philadelphia
SAN
San Diego
HK$4,702 Return, found 2 days ago
HK$4,702
Return
found 2 days ago
Select American Airlines flight, departing Mon, 22 Sept from Philadelphia to San Diego, returning Mon, 29 Sept, priced at HK$4,702 found 2 days ago
American Airlines
Mon, 22 Sept - Mon, 29 Sept
PHL
Philadelphia
SAN
San Diego
HK$4,778 Return, found 2 days ago
HK$4,778
Return
found 2 days ago
Select American Airlines flight, departing Mon, 22 Sept from Philadelphia to San Diego, returning Mon, 29 Sept, priced at HK$4,778 found 2 days ago
American Airlines
Mon, 22 Sept - Mon, 29 Sept
PHL
Philadelphia
SAN
San Diego
HK$5,003 Return, found 2 days ago
HK$5,003
Return
found 2 days ago
Select American Airlines flight, departing Mon, 22 Sept from Philadelphia to San Diego, returning Mon, 29 Sept, priced at HK$5,003 found 2 days ago
Philadelphia to San Diego route information
Origin airport
Philadelphia Intl.
Destination airport
San Diego Intl.
Distance
3784 km
Average flight time
4 hours 38 mins

Frequently asked questions

How much is an American Airlines flight from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN)?
You can find affordable return American Airlines flights from HK$4,046 from PHL to SAN by organising your results from "Price (lowest to highest)" on Expedia. Or search for options from HK$3,197 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.
What is the cheapest month to fly from PHL to SAN with American Airlines?
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.
Does American Airlines fly nonstop from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN)?
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.
How long does it take to fly from PHL to SAN with American Airlines?
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.
Which day of the week has the most American Airlines flights from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN)?
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.
What airports does American Airlines fly into in San Diego?
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.
What type of plane does American Airlines fly from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN)?
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.
Can I change or cancel my American Airlines flight from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN)?
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."
*Available to Expedia members.