STS to SAN from $117 in economy

ASAlaska Airlines, Inc.

WNSouthwest Airlines

Round Trip•Economy

STS

Charles M. Schulz Sonoma County Airport

Santa Rosa, United States

SAN

San Diego International Airport

San Diego, United States

$197 USD

-41%$117 USD

Verified about 20 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$220 1$133 2$117 3$157 4$172 5$157 6$172 7$157 8$117 9$117 10$168 11$227 12$207 13$223 14$208 15$168 16$168 17$217 18$247 19$237 20$242 21$208 22$213 23$232 24$212 25$213 26$247 27$276 28$232 29$212 30$212 31$197 1$212 2$232 3$232

Fair Availability

20% of dates checked are available within 10% of the lowest price

Friday, December 18th, 2026

6 round-trip options

Returning

Fri, Dec 25, 2026•7 Day Trip

$247 USD

Google Flights

Returning

Sat, Dec 26, 2026•8 Day Trip

$267 USD

Google Flights

Returning

Sun, Dec 27, 2026•9 Day Trip

$311 USD

Google Flights

Returning

Mon, Dec 28, 2026•10 Day Trip

$262 USD

Google Flights

Returning

Thu, Dec 31, 2026•13 Day Trip

$247 USD

Google Flights

Returning

Fri, Jan 1, 2027•14 Day Trip

$267 USD

Google Flights

Santa Rosa (STS) to San Diego (SAN) flight deal in economy from $117

Charles M. Schulz Sonoma County Airport

San Diego International Airport

December 2026

Friday, December 18th, 2026