Philadelphia to San Diego

PHLSAN

Fly from Philadelphia to San Diego starting at USD 113 with Frontier Airlines.Best fare available on Sep 1, 2026.Limited seats. Better plans. Book before it's gone.

Philadelphia to San Diego cheapest flights this week

11 Jul
Frontier Airlines
11:06PHL
23:06SAN
1 StopUSD 173VIEW DEAL
29 Jul
Southwest Airlines
17:40PHL
02:00SAN
1 StopUSD 267VIEW DEAL
1 Sept
Frontier Airlines
20:37PHL
12:05SAN
1 StopUSD 113VIEW DEAL
1 Sept
Frontier Airlines
08:15PHL
18:41SAN
1 StopUSD 127VIEW DEAL
20 Dec
Southwest Airlines
05:25PHL
13:20SAN
1 StopUSD 288VIEW DEAL

Philadelphia to San Diego monthly flight fare trend

Jul
from USD 173
Aug
No flights
Sep
from USD 113
Oct
No flights
Nov
No flights
Dec
from USD 288

Airport Details

Origin

Philadelphia

Philadelphia International Airport (PHL)

Philadelphia, PHL
Zone

New York

Elev

36 ft

Destination

San Diego

San Diego International Airport (SAN)

San Diego, SAN
Zone

Los Angeles

Elev

17 ft

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