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Cheap flights from San Francisco (SFO) to Ontario (ON)

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How to find the cheapest flight from
San Francisco (SFO) to Ontario

How far in advance should I book a flight from San Francisco to Ontario?

To save up to 36% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Ontario from $306 1-2 weeks out and tickets from $373 for flights departing within the next 72 hours.

What is the cheapest month to fly from San Francisco to Ontario?

September is one of the best times of the year to fly to Ontario from San Francisco. Prices for September average $286 per person but you can even find prices for as low as $137. The most expensive prices can be found in the month of November. Opting for a September flight can save you 18% on your journey compared to booking in September

Cheap flights from San Francisco to Ontario in October, November 2020

The best prices found for SFO to Ontario flights for October, November
12 Nov - 19 Nov
$236pp
SFO
San Francisco
Air Canada
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SFO
San Francisco
23 Nov - 30 Nov
$237pp
SFO
San Francisco
Air Canada
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SFO
San Francisco
24 Oct - 30 Oct
$240pp
SFO
San Francisco
Iberia
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Iberia
 
1 STOP
SFO
San Francisco

San Francisco to Ontario 2020 flight deals

Cheap flights to Ontario from San Francisco found for this year
25 Dec - 31 Dec
$199pp
SFO
San Francisco
Air Canada
   
2 STOPS
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SFO
San Francisco
25 Dec - 31 Dec
$206pp
SFO
San Francisco
Air Canada
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SFO
San Francisco
25 Dec - 31 Dec
$214pp
SFO
San Francisco
Air Canada
Non-Stop
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SFO
San Francisco

Non-stop flights to Ontario from San Francisco

Save time with San Francisco to Ontario direct flight deals
25 Dec - 31 Dec
$220pp
SFO
San Francisco
Air Canada
Non-Stop
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
Non-Stop
SFO
San Francisco
23 Dec - 28 Dec
$236pp
SFO
San Francisco
Air Canada
Non-Stop
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
Non-Stop
SFO
San Francisco
7 Dec - 2 Jan
$257pp
SFO
San Francisco
Air Canada
Non-Stop
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco to Ontario

Late deals on round-trip flights to Ontario from San Francisco, departing today and this week
29 Oct - 1 Dec
$331pp
SFO
San Francisco
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
SFO
San Francisco
30 Oct - 1 Dec
$338pp
SFO
San Francisco
Air Canada
   
2 STOPS
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SFO
San Francisco
26 Oct - 25 Nov
$342pp
SFO
San Francisco
Air Canada
   
2 STOPS
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
SFO
San Francisco

One-way flights to Ontario from San Francisco

The cheapest one-way flights from San Francisco to Ontario
7:37 pm - 6:09 am
Major Airline
1 Stop
7h 32m
SFO - YYZ
Major Airline
$123
StudentUniverse
1:35 am - 4:59 pm
American Airlines
2 Stops
12h 24m
SFO - YYZ
American Airlines
3:20 am - 6:24 pm
Air Canada
2 Stops
12h 04m
SFO - YYZ
Air Canada
$174
KAYAK

Related info for your journey

Useful info, stats and facts about San Francisco to Ontario flights.

Flight FAQs

From San Francisco to Ontario

Are flight prices decreasing from San Francisco to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to Ontario to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from San Francisco to Ontario. Policies will vary by airline.

Which airlines flying from San Francisco to Ontario have flexible cancellations due to COVID-19?

Some of our airline partners flying from San Francisco to Ontario have new flexible policies in place due to COVID-19. Air Canada, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Air Canada with this kind of flexibility.

Can I find flights from San Francisco to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from San Francisco to Ontario for under $200. The cheapest flight booked recently is on Air Canada for just $199, but on average you can expect to pay $242.

Are there nonstop flights from San Francisco to Ontario for under $300 on Cheapflights?

Cheapflights has at least 3 direct flights from San Francisco to Ontario under $300. A good price for a nonstop flight from San Francisco to Ontario is less than $237.

Are there last-minute flights available from San Francisco to Ontario for under $400?

There are currently 20+ open flights from San Francisco to Ontario within the next 7 days for less than $400.

What are the most popular airlines that fly from San Francisco to Ontario?

When booking a flight from San Francisco to Ontario, you may want to consider flying on Interjet, Major Airline or American Airlines as they are the most popular for this route.

What are the most popular routes from San Francisco to Ontario?

While some choose either San Francisco - Ottawa or San Francisco - Toronto Island, San Francisco - Toronto Pearson Intl is the most popular route from San Francisco to Ontario.

What are the cheapest Flights from San Francisco to Ontario?

Looking at all options, your cheapest flight can be booked for $247. While the most popular route (San Francisco - Toronto Pearson Intl) can be booked for $236 on average our data indicates $593 when flying from San Francisco to Ontario

What are the most reliable airlines from San Francisco to Ontario?

No one likes to see their flight delayed. When booking a flight from San Francisco to Ontario consider choosing Air Canada (87%), Austrian Airlines (87%) or United Airlines (87%) as they are the most reliable in getting you off to your destination on time.

How long is the flight from San Francisco to Ontario?

A quick flight from San Francisco to Ontario can take about 4h 47m. Air Canada provides one of the quickest options available for as low as $214. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from San Francisco to Ontario round-trip?

Our cheapest airline available from San Francisco to Ontario is Air Canada. Our recent data shows that you can find tickets from as low as $199 on this airline. An additional option worth looking into is United Airlines, starting at $271.

What are the cheapest airlines to fly from San Francisco to Ontario one-way?

$110 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $114 and $118, respectively.

Destination information for Ontario

Things to know before you go. Useful info for your trip from San Francisco to Ontario
Today's exchange rate
$1 = C$ 1.32
Flight duration
5h 13m

Airports servicing San Francisco

Airports servicing

Chatham-Kent (XCM)
Fort Frances (YAG)
Ste. Marie Marie (YAM)
Attawapiskat (YAT)
Fort Albany (YFA)
Kingston, Ontario (YGK)
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