Cheap Flights from Philadelphia to Carlsbad

View €124 flight on Mon, 31 Mar 2025Opens in a new window

Featured airlines

Lufthansa
Aer Lingus
Stobart Air
British Airways
American Airlines
Air France
Virgin Atlantic
Iberia
easyJet

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 15% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Philadelphia to Carlsbad (ILG-SAN)

Prices were available within the past 7 days and start at €124 for one-way flights and €246 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 31 Mar - Mon, 7 Apr
PHL
Philadelphia
SAN
San Diego
€246 Return, found 3 days ago
€246
Return
found 3 days ago
Select American Airlines flight, departing Mon, 31 Mar from Philadelphia to San Diego, returning Mon, 7 Apr, priced at €246 found 3 days ago
Delta
Mon, 31 Mar - Mon, 7 Apr
PHL
Philadelphia
SAN
San Diego
€256 Return, found 3 days ago
€256
Return
found 3 days ago
Select Delta flight, departing Mon, 31 Mar from Philadelphia to San Diego, returning Mon, 7 Apr, priced at €256 found 3 days ago
Delta
Mon, 31 Mar - Mon, 7 Apr
PHL
Philadelphia
SAN
San Diego
€264 Return, found 3 days ago
€264
Return
found 3 days ago
Select Delta flight, departing Mon, 31 Mar from Philadelphia to San Diego, returning Mon, 7 Apr, priced at €264 found 3 days ago
United
Mon, 31 Mar - Mon, 7 Apr
PHL
Philadelphia
SAN
San Diego
€391 Return, found 3 days ago
€391
Return
found 3 days ago
Select United flight, departing Mon, 31 Mar from Philadelphia to San Diego, returning Mon, 7 Apr, priced at €391 found 3 days ago
Hawaiian Airlines
Mon, 31 Mar - Mon, 7 Apr
PHL
Philadelphia
SAN
San Diego
€520 Return, found 3 days ago
€520
Return
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, 31 Mar from Philadelphia to San Diego, returning Mon, 7 Apr, priced at €520 found 3 days ago
JetBlue Airways
Mon, 21 Apr - Tue, 29 Apr
PHL
Philadelphia
SAN
San Diego
€582 Return, found 1 day ago
€582
Return
found 1 day ago
Select JetBlue Airways flight, departing Mon, 21 Apr from Philadelphia to San Diego, returning Tue, 29 Apr, priced at €582 found 1 day ago
*Available to Expedia members.