Santa Rosa (STS) to Ontario (ONT) flight deal from $117 USD in economy class

ASAlaska Airlines, Inc.

Round Trip•Economy

STS

Charles M. Schulz Sonoma County Airport

Santa Rosa, United States

ONT

Ontario International Airport

Ontario, United States

$417 USD

-72%$117 USD

Verified Nov 2, 2025 at 4:06 PM

November 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

27 28 29 30 31 1 2$1,088 3$1,088 4$1,073 5$1,008 6$1,008 7$993 8$858 9$838 10$838 11$838 12$808 13$838 14$799 15$788 16$678 17$648 18$638 19$598 20$663 21$582 22$542 23$372 24$421 25$512 26$467 27$387 28$593 29$943 30$742

Extremely Rare Availability

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

Sunday, November 2nd, 2025

6 round-trip options

Returning

Fri, Nov 7, 2025•5 Day Trip

$1,248 USD

Google Flights

Returning

Sat, Nov 8, 2025•6 Day Trip

$1,158 USD

Google Flights

Returning

Sun, Nov 9, 2025•7 Day Trip

$1,088 USD

Google Flights

Returning

Mon, Nov 10, 2025•8 Day Trip

$1,088 USD

Google Flights

Returning

Tue, Nov 11, 2025•9 Day Trip

$1,088 USD

Google Flights

Returning

Wed, Nov 12, 2025•10 Day Trip

$1,088 USD

Google Flights