Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Santa Rosa from $78

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Santa Rosa departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Ontario to San Francisco

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to San Francisco.
American Airlines Logo
10:00 am - 3:41 pmONT-STS
5h 41m1 stop
American Airlines Logo
12:46 pm - 6:23 pmSTS-ONT
5h 37m1 stop
$223American Airlines
Find Deal
Thu, May 29 - Tue, Jun 3
American Airlines Logo
6:15 am - 12:17 pmONT-STS
6h 02m1 stop
American Airlines Logo
4:21 pm - 9:57 pmSTS-ONT
5h 36m1 stop
$247American Airlines
Find Deal
Thu, May 1 - Mon, May 5
American Airlines Logo
6:23 am - 12:40 pmONT-STS
6h 17m1 stop
American Airlines Logo
12:53 pm - 6:08 pmSTS-ONT
5h 15m1 stop
$258American Airlines
Find Deal
Fri, Jul 4 - Sat, Jul 5
American Airlines Logo
6:15 am - 12:17 pmONT-STS
6h 02m1 stop
American Airlines Logo
4:21 pm - 9:57 pmSTS-ONT
5h 36m1 stop
$268American Airlines
Find Deal
Thu, May 1 - Mon, May 5
American Airlines Logo
6:15 am - 12:17 pmONT-STS
6h 02m1 stop
American Airlines Logo
12:57 pm - 6:20 pmSTS-ONT
5h 23m1 stop
$287American Airlines
Find Deal
Wed, Apr 16 - Fri, Apr 18
American Airlines Logo
6:23 am - 12:40 pmONT-STS
6h 17m1 stop
American Airlines Logo
4:16 pm - 9:38 pmSTS-ONT
5h 22m1 stop
$302American Airlines
Find Deal
Fri, Jul 4 - Tue, Jul 8
Alaska Airlines Logo
7:20 pm - 7:07 pmONT-STS
23h 47m1 stop
Alaska Airlines Logo
8:01 pm - 10:46 pmSTS-ONT
26h 45m1 stop
$322Alaska Airlines
Find Deal
Thu, Jun 5 - Tue, Jun 10
Alaska Airlines Logo
7:20 pm - 7:07 pmONT-STS
23h 47m1 stop
Alaska Airlines Logo
2:11 pm - 10:57 amSTS-ONT
20h 46m2 stops
$328Alaska Airlines
Find Deal
Thu, May 29 - Tue, Jun 3
Alaska Airlines Logo
11:46 am - 7:04 pmONT-STS
7h 18m1 stop
Alaska Airlines Logo
7:58 pm - 10:51 amSTS-ONT
14h 53m1 stop
$332Alaska Airlines
Find Deal
Fri, May 2 - Fri, May 9
American Airlines Logo
6:23 am - 12:40 pmONT-STS
6h 17m1 stop
American Airlines Logo
4:16 pm - 9:38 pmSTS-ONT
5h 22m1 stop
$342American Airlines
Find Deal
Fri, Jul 4 - Wed, Jul 9

Alaska Airlines flights from Ontario to Santa Rosa

Our best Alaska Airlines deals on Ontario to Santa Rosa flight tickets
Alaska Airlines
Jun 5
ONT7:20 pmOntario
23h 47m
1 stop
STS7:07 pmSanta Rosa Sonoma County
Jun 10
STS8:01 pmSanta Rosa Sonoma County
26h 45m
1 stop
ONT10:46 pmOntario
Alaska Airlines
May 29
ONT7:20 pmOntario
23h 47m
1 stop
STS7:07 pmSanta Rosa Sonoma County
Jun 3
STS2:11 pmSanta Rosa Sonoma County
20h 46m
2 stops
ONT10:57 amOntario
Alaska Airlines
May 2
ONT11:46 amOntario
7h 18m
1 stop
STS7:04 pmSanta Rosa Sonoma County
May 9
STS7:58 pmSanta Rosa Sonoma County
14h 53m
1 stop
ONT10:51 amOntario

American Airlines flights from Ontario to Santa Rosa

Our best American Airlines deals on Ontario to Santa Rosa flight tickets
American Airlines
May 29
ONT10:00 amOntario
5h 41m
1 stop
STS3:41 pmSanta Rosa Sonoma County
Jun 3
STS12:46 pmSanta Rosa Sonoma County
5h 37m
1 stop
ONT6:23 pmOntario
American Airlines
May 1
ONT6:15 amOntario
6h 02m
1 stop
STS12:17 pmSanta Rosa Sonoma County
May 5
STS4:21 pmSanta Rosa Sonoma County
5h 36m
1 stop
ONT9:57 pmOntario
American Airlines
Jul 4
ONT6:23 amOntario
6h 17m
1 stop
STS12:40 pmSanta Rosa Sonoma County
Jul 5
STS12:53 pmSanta Rosa Sonoma County
5h 15m
1 stop
ONT6:08 pmOntario

See travel insights to San Francisco from

How to get the cheapest flight ticket from Ontario to Santa Rosa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Santa Rosa?

Our data shows that Tuesday is the least expensive day to fly to Santa Rosa. Tickets to fly out on this day can be as low as $221. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $316.

What is the cheapest time of day to depart on your flight to Santa Rosa?

Our data shows that the cheapest Ontario to Santa Rosa flights are usually those with departure times in the afternoon. Our users have found flights to Santa Rosa in the afternoon for as low as $246. Flights at noon are often more expensive with an average ticket price of $277.

What is the cheapest Ontario to Santa Rosa Sonoma County flight route?

Fly from Ontario to Santa Rosa Sonoma County for the best Ontario - Santa Rosa Sonoma County flight prices

What cabin class options are available on Ontario to Santa Rosa Sonoma County flights?

There are 1 cabin classes available to choose from on Ontario to Santa Rosa Sonoma County flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from Ontario to Santa Rosa

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Santa Rosa (ONT to STS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Santa Rosa

Best Price Found

$78

Fastest flight time

5h 41m

Direct flights

None

Airports in Santa Rosa

1 airport
The best one-way flight to Santa Rosa from Ontario in the past 72 hours is $78. The best round-trip flight deal from Ontario to Santa Rosa found on momondo in the last 72 hours is $223.
The fastest flight from Ontario to Santa Rosa takes 5h 41m
There are no direct flights from Ontario to Santa Rosa. Popular non-direct route for this connection is Ontario Airport - Santa Rosa Sonoma County Airport.
There is 1 airport near Santa Rosa: Santa Rosa Sonoma County (STS)

  • How far is Ontario to Santa Rosa Sonoma County by plane?

    There are 413.2 mi between Ontario and Santa Rosa Sonoma County. In terms of flight time, this usually takes a little over 5h 41m.

  • When did momondo last update prices for flights from Ontario Airport to Santa Rosa Sonoma County Airport?

    Prices for flights from Ontario Airport to Santa Rosa Sonoma County Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Santa Rosa Sonoma County Airport?

  • How old do you have to be to fly from Ontario Airport to Santa Rosa Sonoma County Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Santa Rosa Sonoma County Airport.

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The necessary travel and health documents for your Santa Rosa Sonoma County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ontario to Santa Rosa?

  • What is the most popular airline from Ontario to Santa Rosa?


Best airlines flying from Ontario to Santa Rosa

Compare and see reviews for airlines that fly from Ontario to Santa Rosa with momondo
Airline
Rating
Free Cancellation
Price
Avelo AirlinesPriceFrom $67Free CancellationRating
7.5
74 reviews
Search Avelo Airlines flights
American AirlinesPriceFrom $232Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Mendocino
Ukiah
Little River
Point Arena

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Santa Rosa?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Santa Rosa. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Santa Rosa with flexible booking policies on momondo?

All flight searches from Ontario to Santa Rosa on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Santa Rosa?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Santa Rosa.

I’m not ready to book a flight from Ontario to Santa Rosa right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Santa Rosa from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your Santa Rosa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 4/9
Wed 4/16

Find better results for your trip to the United States