Find Cheap Flights from Ontario to Santa Rosa Sonoma County (ONT - STS)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Ontario to Santa Rosa Sonoma County

(Round-trip)
Depart: Sat Jan 13 2018 Return: Tue Jan 16 2018 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
12:00a
STS
11:54a
11h 54m
1 stop
STS
12:00a
ONT
1:04a
25h 04m
1 stop
Depart: Fri Dec 15 2017 Return: Sun Dec 17 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
12:00a
STS
5:50a
5h 50m
1 stop
STS
12:00a
ONT
9:10a
9h 10m
1 stop
Depart: Mon Dec 25 2017 Return: Fri Dec 29 2017 Trip spans 5 days
United
United
ONT
12:00a
STS
5:50a
5h 50m
1 stop
STS
12:00a
ONT
3:41a
3h 41m
1 stop
Depart: Thu Feb 1 2018 Return: Tue Feb 6 2018 Trip spans 6 days
Alaska Airlines
Alaska Airlines
ONT
12:00a
STS
1:59p
13h 59m
2 stops
STS
12:00a
ONT
9:43a
9h 43m
1 stop
Depart: Thu Jan 18 2018 Return: Mon Jan 22 2018 Trip spans 5 days
United
United
ONT
12:00a
STS
3:17a
3h 17m
1 stop
STS
12:00a
ONT
3:23a
3h 23m
1 stop
Depart: Tue Nov 28 2017 Return: Fri Dec 1 2017 Trip spans 4 days
United
United
ONT
12:00a
STS
3:40a
3h 40m
1 stop
STS
12:00a
ONT
3:27a
3h 27m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Ontario
$292
Destination

Santa Rosa
$292