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

Apply the "Price (lowest to highest)" filter on Expedia to find cheap Alaska Airlines return flights AU$588 from PHL to SAN. Affordable one-way tickets from AU$301 are also on offer.*

*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.

Alaska Airlines flights to San Diego are often more affordable in the off-peak months of January and November. Whether you're after a one-way or a return ticket, you could find a better deal then.

Select our "Nonstop" filter when browsing for direct Alaska Airlines flights from PHL to SAN. It's also a great way to compare other airlines offering the same nonstop journey.

Board an Alaska Airlines flight from Philadelphia Intl. Airport (PHL) to San Diego, and you'll probably land at San Diego Intl. Airport (SAN). This is the airline's primary hub in this destination.

It's usually possible to modify or cancel your flight, although there may be additional fees if you booked more than 24 hours ago. Want to keep your options open? Apply the "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you need to adjust your plans. To update your booking, go to "Trips," select your flight and click on "Manage Booking" for further information.