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Find Flight Deals from Ontario to Santa Rosa Sonoma County (ONT - STS)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Ontario to Santa Rosa Sonoma County

(Round-trip)
Depart: Fri May 1 2015 Return: Sat May 2 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
ONT
6:30a
STS
1:58p
7h 28m
1 stop
STS
2:30a
ONT
4:21p
13h 51m
2 stops
Depart: Wed Apr 29 2015 Return: Sun May 10 2015 Trip spans 12 days
Alaska Airlines
Alaska Airlines
ONT
6:30a
STS
1:58p
7h 28m
1 stop
STS
10:55a
ONT
7:20p
8h 25m
1 stop
Depart: Fri Apr 24 2015 Return: Sun Apr 26 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ONT
2:00a
STS
1:58p
11h 58m
1 stop
STS
9:00a
ONT
6:41p
9h 41m
1 stop
Depart: Fri Apr 17 2015 Return: Sun Apr 19 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ONT
2:00a
STS
1:58p
11h 58m
1 stop
STS
9:00a
ONT
6:41p
9h 41m
1 stop
Depart: Fri Apr 10 2015 Return: Mon Apr 13 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
2:30a
STS
7:14a
4h 44m
1 stop
STS
9:00a
ONT
6:41p
9h 41m
1 stop
Depart: Fri Jun 26 2015 Return: Sun Jun 28 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ONT
2:05a
STS
2:02p
11h 57m
1 stop
STS
2:30a
ONT
3:58p
13h 28m
2 stops
Depart: Fri Mar 27 2015 Return: Mon Mar 30 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
2:00a
STS
2:00p
12h 00m
1 stop
STS
2:30a
ONT
7:21p
16h 51m
2 stops
Depart: Wed Apr 1 2015 Return: Thu Apr 2 2015 Trip spans 2 days
Alaska Airlines
Alaska Airlines
ONT
6:30a
STS
2:00p
7h 30m
1 stop
STS
9:00a
ONT
7:21p
10h 21m
2 stops
Depart: Fri May 22 2015 Return: Mon May 25 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
2:00a
STS
1:55p
11h 55m
1 stop
STS
2:30a
ONT
6:37p
16h 07m
2 stops
Depart: Sat Mar 28 2015 Return: Mon Mar 30 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ONT
2:00a
STS
2:00p
12h 00m
1 stop
STS
9:00a
ONT
3:13p
6h 13m
1 stop
Depart: Thu Apr 9 2015 Return: Sun Apr 12 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
2:30a
STS
7:14a
4h 44m
1 stop
STS
9:00a
ONT
6:41p
9h 41m
1 stop
Depart: Thu Mar 19 2015 Return: Sun Mar 22 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
2:00a
STS
2:00p
12h 00m
1 stop
STS
9:00a
ONT
7:21p
10h 21m
2 stops
Depart: Fri Mar 20 2015 Return: Mon Mar 23 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
2:00a
STS
2:00p
12h 00m
1 stop
STS
10:35a
ONT
7:21p
8h 46m
1 stop
Depart: Tue Mar 10 2015 Return: Sat Mar 14 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
ONT
2:30a
STS
7:16a
4h 46m
1 stop
STS
10:35a
ONT
4:25p
5h 50m
1 stop
Depart: Wed Mar 11 2015 Return: Sat Mar 14 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
2:30a
STS
7:16a
4h 46m
1 stop
STS
10:35a
ONT
4:25p
5h 50m
1 stop
Depart: Thu Mar 12 2015 Return: Sat Mar 14 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ONT
2:30a
STS
7:16a
4h 46m
1 stop
STS
10:35a
ONT
4:25p
5h 50m
1 stop
Depart: Tue Mar 17 2015 Return: Tue Mar 24 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ONT
2:30a
STS
7:16a
4h 46m
1 stop
STS
9:00a
ONT
3:13p
6h 13m
1 stop
Depart: Mon Mar 9 2015 Return: Sat Mar 14 2015 Trip spans 6 days
$1082
Select
Alaska Airlines
Alaska Airlines
ONT
2:30a
STS
7:16a
4h 46m
1 stop
STS
10:35a
ONT
4:25p
5h 50m
1 stop
Depart: Sun Mar 8 2015 Return: Sat Mar 14 2015 Trip spans 6 days
$1152
Select
Alaska Airlines
Alaska Airlines
ONT
1:30a
STS
7:16a
4h 46m
1 stop
STS
10:35a
ONT
4:25p
5h 50m
1 stop
Depart: Fri Mar 6 2015 Return: Sat Mar 14 2015 Trip spans 8 days
$1189
Select
Alaska Airlines
Alaska Airlines
ONT
1:00a
STS
6:12a
5h 12m
1 stop
STS
10:35a
ONT
4:25p
5h 50m
1 stop
Airports
Origin

Ontario
$409
Destination

Santa Rosa
$409