Cheap Flights from Palo Alto to San Diego

View €69 flight on Wed, 17 Sep 2025Opens in a new window

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Cheap flights from Palo Alto to San Diego (SJC-SAN)

Prices were available within the past 7 days and start at €69 for one-way flights and €134 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
SAN
San Diego
€134 Return, found 2 days ago
€134
Return
found 2 days ago
Select United flight, departing Thu, 4 Sep from San Francisco to San Diego, returning Mon, 8 Sep, priced at €134 found 2 days ago
United
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
SAN
San Diego
€136 Return, found 2 days ago
€136
Return
found 2 days ago
Select United flight, departing Thu, 4 Sep from San Francisco to San Diego, returning Mon, 8 Sep, priced at €136 found 2 days ago
American Airlines
Sat, 6 Sep - Mon, 8 Sep
SFO
San Francisco
SAN
San Diego
€137 Return, found 21 hours ago
€137
Return
found 21 hours ago
Select American Airlines flight, departing Sat, 6 Sep from San Francisco to San Diego, returning Mon, 8 Sep, priced at €137 found 21 hours ago
Delta
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
SAN
San Diego
€144 Return, found 2 days ago
€144
Return
found 2 days ago
Select Delta flight, departing Thu, 4 Sep from San Francisco to San Diego, returning Mon, 8 Sep, priced at €144 found 2 days ago
JetBlue Airways
Thu, 4 Sep - Mon, 8 Sep
SFO
San Francisco
SAN
San Diego
€481 Return, found 2 days ago
€481
Return
found 2 days ago
Select JetBlue Airways flight, departing Thu, 4 Sep from San Francisco to San Diego, returning Mon, 8 Sep, priced at €481 found 2 days ago
Hawaiian Airlines
Fri, 14 Nov - Sat, 15 Nov
SFO
San Francisco
SAN
San Diego
€880 Return, found 3 days ago
€880
Return
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, 14 Nov from San Francisco to San Diego, returning Sat, 15 Nov, priced at €880 found 3 days 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 - €76 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.