Cheap flights from Philadelphia, PA to San Diego, CA
Flights starting at $87. Choose between United Airlines, Spirit Airlines, or Sun Country Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to San Diego
Cheapest one-way trip | $87 |
---|---|
Cheapest round-trip | $199 |
Average round-trip | $372 |
Most popular airline | United Airlines |
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Book your trip to arrive at San Diego International, or McClellan–Palomar. The most popular airlines for this route are United Airlines, Spirit Airlines, and Sun Country Airlines. Philadelphia and San Diego have 40 direct flights per week.
Check-in for a flight from Philadelphia to San Diego
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in San Diego
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 10°C |
February | 17°C | 10°C |
March | 18°C | 11°C |
April | 19°C | 12°C |
May | 20°C | 14°C |
June | 22°C | 16°C |
July | 24°C | 18°C |
August | 25°C | 19°C |
September | 25°C | 19°C |
October | 23°C | 16°C |
November | 21°C | 13°C |
December | 17°C | 11°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Philadelphia
- Flights from Philadelphia to Orlando
- Flights from Philadelphia to Atlanta
- Flights from Philadelphia to Las Vegas
- Flights from Philadelphia to Denver
- Flights from Philadelphia to Miami
- Flights from Philadelphia to Tampa
- Flights from Philadelphia to San Juan
- Flights from Philadelphia to Los Angeles
- Flights from Philadelphia to New Orleans
- Flights from Philadelphia to Dallas
- Flights from Philadelphia to Fort Myers
- Flights from Philadelphia to Charlotte
- Flights from Philadelphia to Austin
- Flights from Philadelphia to Nashville
- Flights from Philadelphia to Houston
- Flights from Philadelphia to Jacksonville
- Flights from Philadelphia to Phoenix
- Flights from Philadelphia to Fort Lauderdale
- Flights from Philadelphia to San Francisco
- Flights from Philadelphia to Chicago
Flights to San Diego
- Flights from Denver to San Diego
- Flights from Las Vegas to San Diego
- Flights from Austin to San Diego
- Flights from Cincinnati to San Diego
- Flights from New York to San Diego
- Flights from Phoenix to San Diego
- Flights from Charlotte to San Diego
- Flights from Washington, D.C. to San Diego
- Flights from Atlanta to San Diego
- Flights from Raleigh to San Diego
- Flights from Chicago to San Diego
- Flights from Orlando to San Diego
- Flights from San Antonio to San Diego
- Flights from Detroit to San Diego
- Flights from Dallas to San Diego
- Flights from St. Louis to San Diego
- Flights from Cleveland to San Diego
- Flights from Salt Lake City to San Diego
- Flights from Minneapolis to San Diego
- Flights from London to San Diego
Popular routes
- Flights from London to Amsterdam
- Flights from Buenos Aires to Bariloche
- Flights from New York to Istanbul
- Flights from San Francisco to Cancún
- Flights from Antalya to Istanbul
- Flights from Miami to Amsterdam
- Flights from Lima to Piura
- Flights from Philadelphia to Orlando
- Flights from Orlando to New York
- Flights from Chicago to Washington, D.C.
- Flights from Washington, D.C. to Chicago
- Flights from Philadelphia to Austin
- Flights from Norfolk to Las Vegas
Airports near Philadelphia
- John F. Kennedy International
- Newark Liberty International
- Philadelphia International
- Baltimore –Washington International
- Washington Dulles International
- LaGuardia
- New York Stewart International Airport
- Ronald Reagan Washington National
- Atlantic City International
- Lehigh Valley International