$506 Cheap Alaska Airlines flights Philadelphia (PHL) to San Diego (SAN)

View $506 flight on Sun, Dec 21, 2025Opens in a new window

$506 Cheap Alaska Airlines flights Philadelphia (PHL) to San Diego (SAN)

Prices were available within the past 7 days and start at $506 for one-way flights and $942 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Dec 21 - Sat, Dec 27
PHL
Philadelphia
SAN
San Diego
$942 Roundtrip, found 1 day ago
$942
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Dec 21 from Philadelphia to San Diego, returning Sat, Dec 27, priced at $942 found 1 day ago

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

February is typically the cheapest month to fly

From $124 - $333 per traveler.
Flights from Philadelphia (PHL) to San Diego (SAN)
Origin airport
Philadelphia Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
United
Distance
3784 km
Average flight time
3 hours 2 mins