Find Deals on 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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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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: Sat Oct 29 2016 Return: Mon Oct 31 2016 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ONT
4:55p
STS
10:05a
17h 10m
2 stops
STS
2:29p
ONT
6:12a
15h 43m
1 stop
Depart: Tue Nov 22 2016 Return: Sat Nov 26 2016 Trip spans 5 days
Major Airline
Major Airline
ONT
11:25p
STS
7:53a
8h 28m
2 stops
STS
8:00p
ONT
10:22a
14h 22m
2 stops
Depart: Thu Oct 13 2016 Return: Sun Oct 16 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
2:00a
STS
2:52p
12h 52m
2 stops
STS
2:00a
ONT
4:58a
26h 58m
2 stops
Depart: Thu Nov 10 2016 Return: Sun Nov 13 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
1:15p
STS
5:07p
27h 52m
2 stops
STS
6:05a
ONT
4:59a
22h 54m
2 stops
Depart: Thu Oct 6 2016 Return: Sun Oct 9 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
2:00a
STS
7:55a
29h 55m
2 stops
STS
2:00a
ONT
1:05p
11h 05m
2 stops
Depart: Sun Oct 2 2016 Return: Wed Oct 5 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
4:55p
STS
7:55a
15h 00m
1 stop
STS
2:29p
ONT
6:12a
15h 43m
1 stop
Depart: Wed Nov 23 2016 Return: Mon Nov 28 2016 Trip spans 6 days
$1004
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Alaska Airlines
Alaska Airlines
ONT
1:00a
STS
12:53p
11h 53m
1 stop
STS
10:03a
ONT
5:50p
7h 47m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Ontario
$382
Destination

Santa Rosa
$382