Cheap Flights from Philadelphia, PA to San Diego, CA from $78
On Cheapflightsplus.com you will find 411 connecting flights from Philadelphia to San Diego. You can compare airfare deals from 6 airlines and multiple travel sites from $78, book and save on cheap plane tickets and last minute offers. Also check out PHL-SAN flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Philadelphia to San Diego depends on and how to choose the most interesting flight option for you.
Distance between Philadelphia and San Diego is 3806 miles. Time difference between the cities is 3h. Airplanes depart 05:00 to 21:31 from 4 Philadelphia airports and arrive 05:00 to 21:31 to 11 San Diego airports. Average flight time is 13h 46m.
- The fastest flight 7h 14m
- Average flight time 13h 46m
- The earliest flight 05:00
- The latest flight 21:31
- Distance 2365 ml
Best Flights from Philadelphia to San Diego Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $78 | 06:15 Philadelphia Philadelphia Int. | 17:20 San Diego San Diego | 14h 5m layover 7h 11m - Denver | Frontier Airlines | F93339 F94989 |
| from $107 | 07:19 Philadelphia Philadelphia Int. | 11:55 San Diego San Diego | 7h 36m layover 0h 53m - Las Vegas | Frontier Airlines | F91601 F91469 |
| from $128 | 08:15 Philadelphia Philadelphia Int. | 07:13+1 день San Diego San Diego | 25h 58m layover 11h 5m - Los Angeles 6h 25m - Las Vegas | Spirit Airlines | NK2596 NK2509 NK2502 |
| from $151 | 15:42 Philadelphia Philadelphia Int. | 07:13+1 день San Diego San Diego | 18h 31m layover 2h 25m - Miami 6h 39m - Las Vegas | Spirit Airlines | NK2056 NK2697 NK2502 |
The cheapest months to travel to San Diego are october (from 78 $), november (from 78 $), february (from 102 $).
The most expensive months are december (from 331 $), january (from 282 $), september (from 132 $).
What is the lowest airfare Philadelphia to San Diego?
The cheapest plane ticket found by our users is $78. This airfare is for economy class on one-way F93339 flight by Frontier Airlines for October 22, 2025 which leaves Philadelphia Int. in Philadelphia at 06:15 am and arrives at San Diego San Diego at 23:02.
Flight Schedule Philadelphia (Pennsylvania) to San Diego (California)
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Popular Airlines on the Route
The flight Philadelphia — San Diego is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 57 departures per week at the price of from $ 214 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 11762.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 411 flights with layovers on the route. The fastest connecting flight is UA4578 by United Airlines takes 7h 14m and the cheapest is F93339 by Frontier Airlines for $78.
- AS - Alaska Airlinesfrom $214Find
- F9 - Frontier Airlinesfrom $78Find
- SY - Sun Country Airlinesfrom $194Find
- HA - Hawaiian Airlinesfrom $206Find
- UA - United Airlinesfrom $202Find
- NK - Spirit Airlinesfrom $110Find
Airports
You can fly from Philadelphia to San Diego from 4 airports (Philadelphia Int., North Philadelphia, Mustin Alf, Philadelphia Sea Plane Base).
Philadelphia airports
- Philadelphia Int.-PHLfrom $78Find
- North Philadelphia-PNEFind
- Mustin Alf-MUVFind
- Philadelphia Sea Plane Base-PSQFind
San Diego airports
- San Diego-SANFind
- San Diego Regional-USAFind
- Gillespie Field-SEEFind
- Golden Triangle Reg.-GTRFind
- El Cajon-CJNFind
- Lowndes County-UBSFind
- Miramar NAS-NKXFind
- Montgomery Field-MYFFind
- North Island NAS-NZYFind
- Brown Field Municipal-SDMFind
- AFB-CBMFind
Airplanes
There are flights to San Diego from Philadelphia by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Philadelphia
You may also consider searching for discounted plane tickets to some other popular places from Philadelphia within United States.
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Top International Destinations from Philadelphia
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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