Cheap Flights from Philadelphia to Carlsbad

View €130 flight on Sat, 23 Aug 2025Opens in a new window

Popular airlines from Philadelphia to Carlsbad

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Cheap flights from Philadelphia to Carlsbad (ILG-SAN)

Prices were available within the past 7 days and start at €130 for one-way flights and €237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 16 Aug - Sat, 23 Aug
PHL
Philadelphia
SAN
San Diego
€237 Return, found 1 day ago
€237
Return
found 1 day ago
Select Delta flight, departing Sat, 16 Aug from Philadelphia to San Diego, returning Sat, 23 Aug, priced at €237 found 1 day ago
Delta
Sat, 16 Aug - Sat, 23 Aug
PHL
Philadelphia
SAN
San Diego
€272 Return, found 1 day ago
€272
Return
found 1 day ago
Select Delta flight, departing Sat, 16 Aug from Philadelphia to San Diego, returning Sat, 23 Aug, priced at €272 found 1 day ago
American Airlines
Sat, 16 Aug - Sat, 23 Aug
PHL
Philadelphia
SAN
San Diego
€277 Return, found 1 day ago
€277
Return
found 1 day ago
Select American Airlines flight, departing Sat, 16 Aug from Philadelphia to San Diego, returning Sat, 23 Aug, priced at €277 found 1 day ago
American Airlines
Sat, 16 Aug - Sat, 23 Aug
PHL
Philadelphia
CLD
Carlsbad
€294 Return, found 1 day ago
€294
Return
found 1 day ago
Select American Airlines flight, departing Sat, 16 Aug from Philadelphia to Carlsbad, returning Sat, 23 Aug, priced at €294 found 1 day ago
American Airlines
Sat, 16 Aug - Sat, 23 Aug
PHL
Philadelphia
SAN
San Diego
€294 Return, found 1 day ago
€294
Return
found 1 day ago
Select American Airlines flight, departing Sat, 16 Aug from Philadelphia to San Diego, returning Sat, 23 Aug, priced at €294 found 1 day ago
United
Sat, 16 Aug - Sat, 23 Aug
PHL
Philadelphia
SAN
San Diego
€351 Return, found 1 day ago
€351
Return
found 1 day ago
Select United flight, departing Sat, 16 Aug from Philadelphia to San Diego, returning Sat, 23 Aug, priced at €351 found 1 day ago

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

September is typically the cheapest month to fly

From €94 - €200 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.