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

ASAlaska Airlines, Inc.

Round Trip•Economy

ONT

Ontario International Airport

Ontario, United States

STS

Charles M. Schulz Sonoma County Airport

Santa Rosa, United States

$392 USD

-70%$117 USD

Verified Nov 2, 2025 at 4:04 PM

November 2025

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27 28 29 30 31 1 2$1,103 3$1,088 4$1,063 5$993 6$1,008 7$933 8$853 9$838 10$838 11$793 12$733 13$733 14$733 15$653 16$638 17$638 18$582 19$653 20$668 21$592 22$588 23$497 24$452 25$522 26$394 27$382 28$517 29$777 30$722

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

Sunday, November 2nd, 2025

7 round-trip options

Returning

Fri, Nov 7, 2025•5 Day Trip

$1,262 USD

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Sat, Nov 8, 2025•6 Day Trip

$1,182 USD

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Sun, Nov 9, 2025•7 Day Trip

$1,103 USD

Google Flights

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Mon, Nov 10, 2025•8 Day Trip

$1,103 USD

Google Flights

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Tue, Nov 11, 2025•9 Day Trip

$1,103 USD

Google Flights

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Wed, Nov 12, 2025•10 Day Trip

$1,103 USD

Google Flights

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Thu, Nov 13, 2025•11 Day Trip

$1,103 USD

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