Cheap flights from Philadelphia, PA to San Diego, CA

Travelers frequently search for route combinations, such as Philadelphia and Orlando, Atlanta, Las Vegas, Denver, Miami, Tampa, San Juan, Los Angeles, New Orleans, Dallas, Fort Myers, Charlotte, Austin, Nashville, Houston, Jacksonville, Phoenix, Fort Lauderdale, San Francisco, Chicago.

Travelers frequently search for route combinations, such as San Diego and Denver, Las Vegas, Austin, Cincinnati, New York, Phoenix, Charlotte, Washington, D.C., Atlanta, Raleigh, Chicago, Orlando, San Antonio, Detroit, Dallas, St. Louis, Cleveland, Salt Lake City, Minneapolis, London.

Philadelphia is mainly served by Philadelphia International. But there are other airports nearby, including Wings Field.

The main airport in Philadelphia is Philadelphia International. It is also served by Newark Liberty International, Baltimore–Washington International, LaGuardia, Washington Dulles International, New York Stewart International Airport, Ronald Reagan Washington National, Lehigh Valley International, Atlantic City International, Westchester County, Harrisburg International.

The main airport in San Diego is San Diego International. It is also served by Tijuana International, Ontario International, John Wayne, Mexicali International, Hollywood Burbank, Palm Springs International, Long Beach, Imperial County, Yuma International, Hawthorne Municipal.

Yes, it's possible to combine different modes of transport between Philadelphia and San Diego thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Philadelphia and San Diego can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Currently, you can fly between Philadelphia and San Diego with United Airlines, Spirit Airlines.

If you don’t have specific dates for your trip between Philadelphia and San Diego, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.