CA $124 Cheap Flights from Philadelphia (PHL) to San Diego (SAN)

Featured airlines

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap flights from Philadelphia (PHL) to San Diego (SAN)

Prices were available within the past 7 days and start at CA $124 for one-way flights and CA $290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Delta
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Flight from Philadelphia to San Diego (PHL - SAN) route information
Origin airport
Philadelphia Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Spirit Airlines, Sun Country Airlines
Roundtrip price
CA $289
Distance
3784 km

Philadelphia to San Diego Flights

The easy way to book your flights from Philadelphia to San Diego 

With Expedia, it’s simple to find and book flights to San Diego from Philadelphia whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are American Airlines, Qatar Airways, Iberia, British Airways nonstop flights to San Diego Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Philadelphia to San Diego today, tomorrow, or this week.  

 

Save dollars with cheap flights from Philadelphia Intl., PHL to San Diego Intl., SAN 

Sort your search results by price to find great deals on your flight from Philadelphia to San Diego—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Diego from Philadelphia currently is just CA $290 rising to CA $322.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to San Diego  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to San Diego from Philadelphia 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Diego with Expedia today.

Frequently asked questions

How much is a flight from PHL to San Diego Airport?
The lowest price advertised for a round-trip flight from Philadelphia Intl. Airport (PHL) to San Diego Airport is CA $290. But you better get a move on. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Airport to San Diego Intl. Airport (SAN)?
We get that circumstances change unexpectedly, so we’ve made it as easy as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from PHL to San Diego Intl. Airport (SAN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for PHL to SAN flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from PHL to San Diego Airport?
You’ll be up above the clouds for a while, as the flight distance from Philadelphia Airport to SAN is 3,800 kilometers. Create a playlist of your favorite podcasts before leaving home to stay entertained during your flight.
Which airlines fly direct from Philadelphia Intl. Airport (PHL) to SAN?
Check out American Airlines (AA) if you want to travel straight from Philadelphia Intl. Airport (PHL) to San Diego Airport. This top carrier offers 65 monthly flights, so you’re sure to find one that fits your travel plans.
Are PHL to San Diego Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from PHL to San Diego Intl. Airport (SAN) can be hit-or-miss. You might be lucky and score a bargain, but then again, you could miss out altogether! If you’d prefer to play it safe and start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines release their prices so far in advance. Our suggestion? Check back often as prices are updated frequently.
*Available to Expedia members.