Cheap Flights from San Francisco to Carlsbad

View €67 flight on Mon, 8 Sep 2025Opens in a new window

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Cheap flights from San Francisco to Carlsbad (SJC-SAN)

Prices were available within the past 7 days and start at €67 for one-way flights and €137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 28 Oct - Thu, 30 Oct
SFO
San Francisco
SAN
San Diego
€137 Return, found 1 day ago
€137
Return
found 1 day ago
Select United flight, departing Tue, 28 Oct from San Francisco to San Diego, returning Thu, 30 Oct, priced at €137 found 1 day ago
American Airlines
Tue, 28 Oct - Thu, 30 Oct
SFO
San Francisco
CLD
Carlsbad
€137 Return, found 1 day ago
€137
Return
found 1 day ago
Select American Airlines flight, departing Tue, 28 Oct from San Francisco to Carlsbad, returning Thu, 30 Oct, priced at €137 found 1 day ago
American Airlines
Tue, 28 Oct - Thu, 30 Oct
SFO
San Francisco
SAN
San Diego
€137 Return, found 1 day ago
€137
Return
found 1 day ago
Select American Airlines flight, departing Tue, 28 Oct from San Francisco to San Diego, returning Thu, 30 Oct, priced at €137 found 1 day ago
American Airlines
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
CLD
Carlsbad
€138 Return, found 20 hours ago
€138
Return
found 20 hours ago
Select American Airlines flight, departing Thu, 4 Sep from San Francisco to Carlsbad, returning Mon, 8 Sep, priced at €138 found 20 hours ago
American Airlines
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
CLD
Carlsbad
€140 Return, found 2 days ago
€140
Return
found 2 days ago
Select American Airlines flight, departing Thu, 4 Sep from San Francisco to Carlsbad, returning Mon, 8 Sep, priced at €140 found 2 days ago
Delta
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
SAN
San Diego
€145 Return, found 20 hours ago
€145
Return
found 20 hours ago
Select Delta flight, departing Thu, 4 Sep from San Francisco to San Diego, returning Mon, 8 Sep, priced at €145 found 20 hours ago

Find the cheapest month to fly from San Francisco (SFO) to San Diego (SAN)

September is typically the cheapest month to fly

From €42 - €76 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.