£102 Cheap Flights from Philadelphia (PHL) to San Diego (SAN)

Popular airlines from Philadelphia International Airport (PHL) to San Diego Intl. Airport (SAN)

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

Prices were available within the past 7 days and start at £102 for one-way flights and £199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Delta
JetBlue Airways
JetBlue Airways
Delta
JetBlue Airways
JetBlue Airways
Alaska Airlines
United
American Airlines

Find the cheapest month to fly from Philadelphia (PHL) to San Diego (SAN)

September is typically the cheapest month to fly

From £80 - £182 per traveller.

Graph displaying average flight prices per month

Flight from Philadelphia to San Diego route information
Origin airport
Philadelphia Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Return price
£199
Distance
3784 km
Average flight time
2 hours 36 mins

Compare flights from Philadelphia to San Diego easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Philadelphia to San Diego. Operating between them 8 flights per day, 20 airlines cover the route. And American Airlines, Qatar Airways, Iberia, British Airways fly direct, getting you to San Diego Intl. in just 0hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Philadelphia Intl. to San Diego Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Philadelphia Intl. (PHL) to San Diego Intl. (SAN)

The easiest way to view the best deals on flights from Philadelphia to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Philadelphia Intl. to San Diego Intl. start at just £199 and range up to £413.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Philadelphia and San Diego
  • booking your flight during July, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Philadelphia to San Diego flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Philadelphia Intl. to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £199. 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 kilometres. Create a playlist of your favourite 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.

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