PHX to STS from $187 in economy

ASAlaska Airlines, Inc.

Round Trip•Economy

PHX

Phoenix Sky Harbor International Airport

Phoenix, United States

STS

Charles M. Schulz Sonoma County Airport

Santa Rosa, United States

$286 USD

-35%$187 USD

Verified 13 days ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$392 1$217 2$217 3$217 4$217 5$217 6$237 7$217 8$217 9$217 10$217 11$217 12$217 13$237 14$217 15$217 16$217 17$217 18$217 19$237 20$307 21$277 22$217 23$217 24$217 25$217 26$237 27$307 28$257 29$217 30$217 31$217 1$277 2$277 3$337

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Sunday, December 13th, 2026

8 round-trip options

Returning

Fri, Dec 18, 2026•5 Day Trip

$357 USD

Google Flights

Returning

Sun, Dec 20, 2026•7 Day Trip

$257 USD

Google Flights

Returning

Mon, Dec 21, 2026•8 Day Trip

$237 USD

Google Flights

Returning

Tue, Dec 22, 2026•9 Day Trip

$237 USD

Google Flights

Returning

Wed, Dec 23, 2026•10 Day Trip

$237 USD

Google Flights

Returning

Thu, Dec 24, 2026•11 Day Trip

$277 USD

Google Flights

Returning

Sat, Dec 26, 2026•13 Day Trip

$297 USD

Google Flights

Returning

Sun, Dec 27, 2026•14 Day Trip

$297 USD

Google Flights

Phoenix (PHX) to Santa Rosa (STS) flight deal in economy from $187

Phoenix Sky Harbor International Airport

Charles M. Schulz Sonoma County Airport

December 2026

Sunday, December 13th, 2026