
Book Cheap Alaska Airlines flight from Philadelphia (PHL) to San Diego (SAN) from CA $271
Find The Best Day to Book a Cheap Alaska Airlines Flights From Philadelphia to San Diego
Cheapest Alaska Airlines Flights from Philadelphia (PHL) to San Diego (SAN)
The cheapest flights to San Diego Intl. found within the past 7 days were CA $555 round trip and CA $271 one way. Prices and availability subject to change. Additional terms may apply.
Frequently asked questions
Grab a great Alaska Airlines flight from PHL to SAN
To find a great deal on Alaska Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying Alaska Airlines Philadelphia to San Diego gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with Alaska Airlines between Philadelphia and San Diego
Alaska Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Philadelphia to San Diego with Alaska Airlines are March.
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your Alaska Airlines flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| SEA | USA | Seattle - Tacoma Intl. | 115 |
| ORD | USA | O'Hare Intl. | 44 |
| LAX | USA | Los Angeles Intl. | 24 |
| PDX | USA | Portland Intl. | 23 |
| ANC | USA | Ted Stevens Anchorage Intl. | 22 |
| SFO | USA | San Francisco Intl. | 21 |
| SAN | USA | San Diego Intl. | 18 |
| JNU | USA | Juneau Intl. | 10 |
| SJC | USA | Norman Y. Mineta San Jose Intl. | 10 |
| GEG | USA | Spokane Intl. | 7 |
Travelers ❤️ these 🏨 after their flight to San Diego

Sheraton San Diego Resort
Upon arrival we were sent to the other Sheraton as we were told that is where we were booked. Headed over to the "other" Sheraton just down the road. To be told - we are really sorry but due to work been done we need to go back to the one we wer just at. The lobby was packed and there were not enough ...
Reviewed on Mar 23, 2026

Wyndham San Diego Bayside
Thanks to Celia, the desk clerk, I got a 12th floor room with a great view of the San Diego Harbor and when I first arrived in my room I had a cruise ship parked across the street about to set sail!
Reviewed on Mar 23, 2026

The DEXTRO Little Italy, BW Premier Collection
Yes
Reviewed on Mar 22, 2026
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