STS to SAN from $117 in economy – flightdeals.net

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Alaska Airlines, Inc.

ASAlaska Airlines, Inc.

Southwest Airlines

WNSouthwest Airlines

Round Trip•Economy

Charles M. Schulz Sonoma County Airport

Santa Rosa, United States

San Diego International Airport

San Diego, United States

$179 USD

-35%$117 USD

Verified about 14 hours ago

September 2026

Mon

Tue

Wed

Thu

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Sun

31$117 1$117 2$117 3$117 4$137 5$117 6$122 7$117 8$117 9$117 10$117 11$122 12$117 13$137 14$117 15$117 16$117 17$117 18$137 19$117 20$137 21$117 22$117 23$117 24$117 25$137 26$117 27$137 28$117 29$117 30$117 1$117 2$137 3$117 4$152

Fair Availability

24% of dates checked are available within 10% of the lowest price

Sunday, September 20th, 2026

3 round-trip options

Returning

Tue, Sep 29, 2026•9 Day Trip

$137 USD

Returning

Wed, Sep 30, 2026•10 Day Trip

$137 USD

Returning

Sat, Oct 3, 2026•13 Day Trip

$137 USD