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Cheap flights from Ontario to San Francisco from $84

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:45 pm - 7:25 pmONT  Ontario-STS Santa Rosa Sonoma County
1h 40mnonstop
Alaska Airlines Logo
3:32 pm - 5:05 pmSTS  Santa Rosa Sonoma County-ONT Ontario
1h 33mnonstop
$151Alaska Airlines
Wed, Oct 21 - Wed, Oct 28
Alaska Airlines Logo
4:27 pm - 6:07 pmONT  Ontario-STS Santa Rosa Sonoma County
1h 40mnonstop
Alaska Airlines Logo
3:32 pm - 5:05 pmSTS  Santa Rosa Sonoma County-ONT Ontario
1h 33mnonstop
$157Alaska Airlines
Fri, Oct 2 - Sat, Oct 3
Alaska Airlines Logo
5:45 pm - 7:25 pmONT  Ontario-STS Santa Rosa Sonoma County
1h 40mnonstop
Alaska Airlines Logo
3:32 pm - 5:05 pmSTS  Santa Rosa Sonoma County-ONT Ontario
1h 33mnonstop
$157Alaska Airlines
Fri, Oct 23 - Sat, Oct 24
Alaska Airlines Logo
4:27 pm - 6:07 pmONT  Ontario-STS Santa Rosa Sonoma County
1h 40mnonstop
Alaska Airlines Logo
3:32 pm - 5:05 pmSTS  Santa Rosa Sonoma County-ONT Ontario
1h 33mnonstop
$157Alaska Airlines
Fri, Oct 2 - Mon, Oct 5
Alaska Airlines Logo
5:45 pm - 7:25 pmONT  Ontario-STS Santa Rosa Sonoma County
1h 40mnonstop
Alaska Airlines Logo
3:32 pm - 5:05 pmSTS  Santa Rosa Sonoma County-ONT Ontario
1h 33mnonstop
$157Alaska Airlines
Sat, Oct 3 - Mon, Oct 5
Alaska Airlines Logo
4:27 pm - 6:07 pmONT  Ontario-STS Santa Rosa Sonoma County
1h 40mnonstop
Alaska Airlines Logo
3:32 pm - 5:05 pmSTS  Santa Rosa Sonoma County-ONT Ontario
1h 33mnonstop
$157Alaska Airlines
Thu, Oct 1 - Mon, Oct 5
Alaska Airlines Logo
5:45 pm - 7:25 pmONT  Ontario-STS Santa Rosa Sonoma County
1h 40mnonstop
Alaska Airlines Logo
3:32 pm - 5:05 pmSTS  Santa Rosa Sonoma County-ONT Ontario
1h 33mnonstop
$157Alaska Airlines
Wed, Oct 14 - Sat, Oct 17
Alaska Airlines Logo
4:27 pm - 6:07 pmONT  Ontario-STS Santa Rosa Sonoma County
1h 40mnonstop
Alaska Airlines Logo
3:32 pm - 5:05 pmSTS  Santa Rosa Sonoma County-ONT Ontario
1h 33mnonstop
$157Alaska Airlines
Wed, Sep 30 - Sat, Oct 3
American Airlines Logo
9:29 am - 3:53 pmONT  Ontario-STS Santa Rosa Sonoma County
6h 24m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
4:26 pm - 9:59 pmSTS  Santa Rosa Sonoma County-ONT Ontario
5h 33m1 stop Phoenix Sky Harbor Intl
$159American Airlines
Mon, Feb 1 - Wed, Feb 3
Southwest Logo
3:10 pm - 9:45 pmONT  Ontario-STS Santa Rosa Sonoma County
6h 35m2 stops Sacramento Intl San Diego
Southwest Logo
1:30 pm - 10:15 pmSTS  Santa Rosa Sonoma County-ONT Ontario
8h 45m2 stops Las Vegas Harry Reid Intl Sacramento Intl
$167Southwest
Wed, Oct 7 - Wed, Oct 14

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Southwest flights from Ontario to Santa Rosa

Our best Southwest deals on Ontario to Santa Rosa flight tickets
Southwest
Oct 7
ONT3:10 pmOntario
6h 35m
2 stops
STS9:45 pmSanta Rosa Sonoma County
Oct 14
STS1:30 pmSanta Rosa Sonoma County
8h 45m
2 stops
ONT10:15 pmOntario
$167
Southwest
Oct 7
ONT11:25 amOntario
10h 20m
2 stops
STS9:45 pmSanta Rosa Sonoma County
Oct 14
STS1:30 pmSanta Rosa Sonoma County
6h 10m
1 stop
ONT7:40 pmOntario
$222
Southwest
Oct 21
ONT11:25 amOntario
10h 20m
2 stops
STS9:45 pmSanta Rosa Sonoma County
Oct 24
STS7:25 amSanta Rosa Sonoma County
10h 35m
2 stops
ONT6:00 pmOntario
$227

Alaska Airlines flights from Ontario to Santa Rosa

Our best Alaska Airlines deals on Ontario to Santa Rosa flight tickets
Alaska Airlines
Oct 21
ONT5:45 pmOntario
1h 40m
STS7:25 pmSanta Rosa Sonoma County
Oct 28
STS3:32 pmSanta Rosa Sonoma County
1h 33m
ONT5:05 pmOntario
$151
Alaska Airlines
Oct 2
ONT4:27 pmOntario
1h 40m
STS6:07 pmSanta Rosa Sonoma County
Oct 3
STS3:32 pmSanta Rosa Sonoma County
1h 33m
ONT5:05 pmOntario
$157
Alaska Airlines
Oct 21
ONT5:45 pmOntario
1h 40m
STS7:25 pmSanta Rosa Sonoma County
Oct 28
STS3:32 pmSanta Rosa Sonoma County
1h 33m
ONT5:05 pmOntario
$166

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Santa Rosa that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioSanta Rosa

ONT Ontario - STS Santa Rosa Sonoma County

ONTSTS

Ontario

Wed 10/21

5:45 pm-7:25 pm

Nonstop1h 40m

Santa Rosa Sonoma County

Wed 10/28

3:32 pm-5:05 pm

Nonstop1h 33m

$151

OntarioSanta Rosa

ONT Ontario - STS Santa Rosa Sonoma County

ONTSTS

Ontario

Fri 10/2

4:27 pm-6:07 pm

Nonstop1h 40m

Santa Rosa Sonoma County

Sat 10/3

3:32 pm-5:05 pm

Nonstop1h 33m

$157

OntarioSanta Rosa

ONT Ontario - STS Santa Rosa Sonoma County

ONTSTS

Ontario

Fri 10/23

5:45 pm-7:25 pm

Nonstop1h 40m

Santa Rosa Sonoma County

Sat 10/24

3:32 pm-5:05 pm

Nonstop1h 33m

$157

OntarioSanta Rosa

ONT Ontario - STS Santa Rosa Sonoma County

ONTSTS

Ontario

Fri 10/2

4:27 pm-6:07 pm

Nonstop1h 40m

Santa Rosa Sonoma County

Mon 10/5

3:32 pm-5:05 pm

Nonstop1h 33m

$157

OntarioSanta Rosa

ONT Ontario - STS Santa Rosa Sonoma County

ONTSTS

Ontario

Sat 10/3

5:45 pm-7:25 pm

Nonstop1h 40m

Santa Rosa Sonoma County

Mon 10/5

3:32 pm-5:05 pm

Nonstop1h 33m

$157

OntarioSanta Rosa

ONT Ontario - STS Santa Rosa Sonoma County

ONTSTS

Ontario

Thu 10/1

4:27 pm-6:07 pm

Nonstop1h 40m

Santa Rosa Sonoma County

Mon 10/5

3:32 pm-5:05 pm

Nonstop1h 33m

$157

OntarioSanta Rosa

ONT Ontario - STS Santa Rosa Sonoma County

ONTSTS

Ontario

Wed 10/14

5:45 pm-7:25 pm

Nonstop1h 40m

Santa Rosa Sonoma County

Sat 10/17

3:32 pm-5:05 pm

Nonstop1h 33m

$157

OntarioSanta Rosa

ONT Ontario - STS Santa Rosa Sonoma County

ONTSTS

Ontario

Wed 9/30

4:27 pm-6:07 pm

Nonstop1h 40m

Santa Rosa Sonoma County

Sat 10/3

3:32 pm-5:05 pm

Nonstop1h 33m

$157

OntarioSanta Rosa

ONT Ontario - STS Santa Rosa Sonoma County

ONTSTS

Ontario

Mon 2/1

9:29 am-3:53 pm

1 stop6h 24m

Santa Rosa Sonoma County

Wed 2/3

4:26 pm-9:59 pm

1 stop5h 33m

$159

OntarioSanta Rosa

ONT Ontario - STS Santa Rosa Sonoma County

ONTSTS

Ontario

Wed 10/7

3:10 pm-9:45 pm

2 stops6h 35m

Santa Rosa Sonoma County

Wed 10/14

1:30 pm-10:15 pm

2 stops8h 45m

$167

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Ontario and Santa Rosa?

Prices are currently low for flights on this route.

Typical prices usually range from $267 to $437.
The lowest price recently found on this route was $151.

What is the cheapest month to fly to Santa Rosa?

If you are unable to visit Santa Rosa during the month of February, then departing from Ontario during the month November is also very affordable. Most momondo users find prices during this month for around $127.

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 $263. 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 $417.

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 morning. Our users have found flights to Santa Rosa in the morning for as low as $288. Flights at noon are often more expensive with an average ticket price of $307.

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 flights?

There are 2 cabin classes available to choose from on Ontario to Santa Rosa 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

$84

Fastest flight time

1h 40m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Santa Rosa

1 airport
The best one-way flight to Santa Rosa from Ontario in the past 72 hours is $84. The best round-trip flight deal from Ontario to Santa Rosa found on momondo in the last 72 hours is $151.
The fastest flight from Ontario to Santa Rosa takes 1h 40m
Direct flights go from Ontario to Santa Rosa on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Alaska Airlines.
There is 1 airport in Santa Rosa. From Ontario there are direct flights to Santa Rosa Sonoma County (STS).
Search flight deals

Frequently asked questions about flying from Ontario to Santa Rosa

  • 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 1h 40m.

  • 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
Alaska AirlinesPriceFrom $117Free CancellationRating
7.9
12,915 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Ontario to Santa Rosa

    Alaska Airlines operates around 7 flights from Ontario to Santa Rosa every week. The average price of these flights found in the last 72 hours has been $251, but momondo users have found Alaska Airlines deals from Ontario to Santa Rosa from as low as $117 round-trip. Alaska Airlines has been scored 7.9/10 in 12,915 reviews.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Ukiah
Mendocino
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.

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