Route Price Intelligence
Cheap Flights From Philadelphia to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
⭐ Great DealFound 2d ago
$160Cross-country adventure to sunny San Diego for just $160! One-stop Frontier service gets you to California's beach paradise. Perfect weather awaits year-round.
✓ 4 date combinations found at this price
Search Google FlightsTypical Price
$364
Deals From
$280
Usually Costs
$280 – $428
Lowest We've Seen
$147
Based on 8,651 price pointshigh confidence
Monthly Price Guide
Jan
$433
Feb
$318
Mar
$301
Apr
$255
May
$318
Jun
$403
Jul
$385
Aug
$383
Sep
$383
Oct
$383
Nov
$393
Dec
$403
Cheapest Average Expensive
Best Time to Fly from Philadelphia to San Diego
The cheapest time to fly from Philadelphia to San Diego is typically April, when fares average around $255. The most expensive month tends to be January at around $433. For the best deals, consider flying in April, March, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14778 price checksWorst: $383