Fare of the Day: Philadelphia to San Diego $246 RT including all taxes

Fly from Philly to San Diego for $246 round-trip, including all taxes, on Southwest.

As seen by the image below, we found seats departing Philadelphia as soon as April 27, and returning from San Diego on May 1. Other dates also available, for travel through fall. Peak summer dates are scarce. You'll find greater availability for travel in September and October.

For booking info, see our Fare Details.