$147 Cheap American Airlines flights Philadelphia (PHL) to San Diego (SAN)

You can find cheap round-trip American Airlines flights from $232 from PHL to SAN by filtering your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $147 for a one-way trip.**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.

January is one of the cheapest months to jet off to San Diego with American Airlines. You could also find great prices on one-way and return tickets in November.

For cheap American Airlines fares from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the price you pay. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

You can easily fly from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN) on any of American Airlines’s 14 weekly direct flights. Use Expedia’s “Nonstop” and “Airline” filters to find the American Airlines flight that’ll take you to SAN at a time that suits you.

The travel time for a direct American Airlines flight from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN) typically takes 6h.

If it’s flexibility you’re after, Thursday offers the most choice for American Airlines flights from Philadelphia Intl. Airport (PHL) to San Diego Intl. Airport (SAN). You can select from 2 different departures.

The first flight from PHL to SAN with American Airlines departs at 8:50AM UTC-5. You’ll touch down at 11:50AM UTC-8. The last American Airlines flight of the day takes off at 7:05PM UTC-5 and arrives at 10:08PM UTC-8. With 20% fewer cancellations for morning and mid-morning flights, starting your travel day early is typically the wisest option.**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.

Jump on an American Airlines flight from Philadelphia Intl. Airport (PHL) to San Diego, and you’ll likely touch down at San Diego Intl. Airport (SAN). This is the airline’s main hub in this city.

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 the ticket type you purchased, a fee may apply if you modify or cancel your flight more than 24 hours after it’s confirmed. To secure flexible plane tickets, select our “No cancel fee” or “Changes included” filter when you look for flights. To learn more about canceling or changing your reservation, go to “Trips,” select your flight and tick “Manage Booking.”