$283 Find Cheap Flights from Ontario to Santa Rosa - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Santa Rosa departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Ontario to Santa Rosa

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Santa Rosa that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Santa Rosa

Thu, Aug 13 - Wed, Aug 19
American Airlines Logo
6:46 am - 12:09 pm
YYZ
-
STS
8h 23m
1 stop
American Airlines Logo
4:08 pm - 10:59 am
STS
-
YYZ
15h 51m
2 stops
$509American Airlines
Fri, Sep 4 - Tue, Sep 8
American Airlines Logo
2:55 pm - 12:09 pm
YYZ
-
STS
24h 14m
1 stop
American Airlines Logo
12:58 pm - 10:59 am
STS
-
YYZ
19h 01m
2 stops
$544American Airlines
Thu, Aug 13 - Wed, Aug 19
American Airlines Logo
6:46 am - 3:37 pm
YYZ
-
STS
11h 51m
2 stops
American Airlines Logo
4:08 pm - 10:59 am
STS
-
YYZ
15h 51m
2 stops
$561American Airlines
Tue, Nov 3 - Wed, Nov 4
Delta Logo
7:00 am - 4:08 pm
YUL
-
STS
12h 08m
2 stops
Delta Logo
4:55 pm - 5:03 pm
STS
-
YUL
21h 08m
2 stops
$563Delta
Tue, Nov 3 - Wed, Nov 4
Delta Logo
7:00 am - 4:08 pm
YUL
-
STS
12h 08m
2 stops
Delta Logo
4:55 pm - 11:51 pm
STS
-
YUL
27h 56m
2 stops
$565Delta
Thu, Aug 13 - Wed, Aug 19
American Airlines Logo
6:46 am - 12:09 pm
YYZ
-
STS
8h 23m
1 stop
American Airlines Logo
12:39 pm - 1:59 pm
STS
-
YYZ
22h 20m
1 stop
$585American Airlines
Tue, Sep 22 - Sat, Sep 26
Alaska Airlines Logo
4:55 pm - 9:59 pm
YYZ
-
STS
8h 04m
1 stop
Alaska Airlines Logo
6:53 pm - 3:45 pm
STS
-
YYZ
17h 52m
2 stops
$601Alaska Airlines
Tue, Sep 22 - Sat, Sep 26
Alaska Airlines Logo
4:55 pm - 9:59 pm
YYZ
-
STS
8h 04m
1 stop
Alaska Airlines Logo
6:53 pm - 3:45 pm
STS
-
YYZ
17h 52m
2 stops
$602Alaska Airlines
Tue, Sep 22 - Sat, Sep 26
Alaska Airlines Logo
4:55 pm - 9:59 pm
YYZ
-
STS
8h 04m
1 stop
Alaska Airlines Logo
6:53 pm - 3:45 pm
STS
-
YYZ
17h 52m
2 stops
$603Alaska Airlines
Tue, Sep 22 - Sat, Sep 26
Alaska Airlines Logo
4:55 pm - 4:39 pm
YYZ
-
STS
26h 44m
2 stops
Alaska Airlines Logo
6:53 pm - 3:45 pm
STS
-
YYZ
17h 52m
2 stops
$629Alaska Airlines
Useful Info

Good to know

Cheapest flight$283
Flight from Montreal to Santa Rosa

FAQs for booking flights from Ontario to Santa Rosa

  • How does KAYAK find such low prices on flights from Ontario to Santa Rosa?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Santa Rosa.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Santa Rosa?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santa Rosa from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Santa Rosa?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Santa Rosa with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Santa Rosa?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Santa Rosa from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Santa Rosa

Information on the airport you'll fly into in Santa Rosa

Santa Rosa (STS)