Cheap Flights from San Francisco to San Diego

View €60 flight on Mon, 8 Sep 2025Opens in a new window

Popular airlines from San Francisco to San Diego

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

Prices were available within the past 7 days and start at €60 for one-way flights and €127 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 11 Sep - Mon, 15 Sep
SFO
San Francisco
SAN
San Diego
€127 Return, found 1 day ago
€127
Return
found 1 day ago
Select American Airlines flight, departing Thu, 11 Sep from San Francisco to San Diego, returning Mon, 15 Sep, priced at €127 found 1 day ago
American Airlines
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
SAN
San Diego
€129 Return, found 1 hour ago
€129
Return
found 1 hour ago
Select American Airlines flight, departing Thu, 4 Sep from San Francisco to San Diego, returning Mon, 8 Sep, priced at €129 found 1 hour ago
United
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
SAN
San Diego
€135 Return, found 1 hour ago
€135
Return
found 1 hour ago
Select United flight, departing Thu, 4 Sep from San Francisco to San Diego, returning Mon, 8 Sep, priced at €135 found 1 hour ago
Delta
Thu, 11 Sep - Mon, 15 Sep
SFO
San Francisco
SAN
San Diego
€136 Return, found 1 day ago
€136
Return
found 1 day ago
Select Delta flight, departing Thu, 11 Sep from San Francisco to San Diego, returning Mon, 15 Sep, priced at €136 found 1 day ago
American Airlines
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
CLD
Carlsbad
€137 Return, found 1 day ago
€137
Return
found 1 day ago
Select American Airlines flight, departing Thu, 4 Sep from San Francisco to Carlsbad, returning Mon, 8 Sep, priced at €137 found 1 day ago
JetBlue Airways
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
SAN
San Diego
€509 Return, found 1 hour ago
€509
Return
found 1 hour ago
Select JetBlue Airways flight, departing Thu, 4 Sep from San Francisco to San Diego, returning Mon, 8 Sep, priced at €509 found 1 hour ago

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

September is typically the cheapest month to fly

From €41 - €83 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.