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

16 Aug
Frontier Airlines
21:16PHL
18:43SAN
2 StopUSD 173VIEW DEAL
1 Sept
Frontier Airlines
20:37PHL
12:05SAN
1 StopUSD 113VIEW DEAL
1 Sept
Frontier Airlines
08:15PHL
18:41SAN
1 StopUSD 129VIEW DEAL
2 Sept
Frontier Airlines
08:15PHL
18:41SAN
1 StopUSD 126VIEW DEAL
9 Sept
Frontier Airlines
17:32PHL
21:00SAN
2 StopUSD 140VIEW DEAL
17 Sept
Frontier Airlines
17:32PHL
18:58SAN
2 StopUSD 155VIEW DEAL
1 Oct
Frontier Airlines
20:44PHL
12:41SAN
1 StopUSD 137VIEW DEAL
29 Oct
Frontier Airlines
12:43PHL
11:19SAN
2 StopUSD 158VIEW DEAL
1 Nov
Allegiant Air
12:12PHL
18:41SAN
2 StopUSD 187VIEW DEAL
20 Dec
Southwest Airlines
05:25PHL
13:20SAN
1 StopUSD 288VIEW DEAL

Philadelphia to San Diego monthly flight fare trend

Aug
from USD 173
Sep
from USD 113
Oct
from USD 137
Nov
from USD 187
Dec
from USD 288
Jan
from USD 187

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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