Philadelphia (PHL) to San Diego (SAN) Flights: Your Coastal Connection Guide
Cheapest flight found
$155
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: PHL → SAN
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$155
Highest Fare
$279
Median Fare
$250
Price Spread
$124
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $155)
Most expensive month: July 2026 (from $279)
Biggest price drop caught: $65 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Philadelphia to San Diego range from $155 to $279, a $124 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $65 between hourly checks on this route.
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From
Philadelphia (PHL)
To
San Diego (SAN)
Airport Information
Philadelphia (PHL)
Philadelphia International Airport (PHL) serves as a major international gateway for the Mid-Atlantic region and stands as a primary hub for American Airlines. The airport is conveniently located just seven miles from Center City Philadelphia and is easily accessible via the SEPTA Regional Rail, which connects directly to the airport terminals. Passengers flying out to San Diego will find a wide array of dining and shopping options, including local favorites like Chickie's & Pete's, ensuring you get one last taste of Philadelphia's famous culinary scene before heading west.
San Diego (SAN)
San Diego International Airport (SAN), often still referred to by its former name, Lindbergh Field, is uniquely situated just three miles northwest of the city's central business district. As one of the busiest single-runway commercial airports in the world, it offers a dramatic and scenic landing experience with stunning views of the downtown skyline and San Diego Bay. The airport features two main terminals; Terminal 2 is particularly modern, hosting most major legacy carriers and offering high-end amenities, local art installations, and excellent coastal-inspired eateries for arriving passengers.
Frequently Asked Questions
How long is the average nonstop flight from Philadelphia to San Diego?
A direct flight from PHL to SAN typically takes between 5 hours and 45 minutes to 6 hours, covering a distance of approximately 2,370 miles.
Which airlines offer direct flights between PHL and SAN?
American Airlines is the primary carrier providing daily nonstop service on this route, as Philadelphia is one of their major domestic hubs.
What is the best way to get from Philadelphia's city center to the airport?
The SEPTA Airport Regional Rail line is the most efficient public transit option, running every 30 minutes and stopping at all major airport terminals.
Is there a time difference between Philadelphia and San Diego?
Yes, San Diego is in the Pacific Time Zone, which is three hours behind the Eastern Time Zone used in Philadelphia.
What is the cheapest time of year to fly to San Diego from Philadelphia?
The cheapest months to fly are typically January and February, as travel demand drops following the busy winter holiday season.
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