Cheap flights from Ontario to San Francisco from C$ 166
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 San Francisco departing on 22/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Porter Airlines flights from Region of Ontario to San Francisco
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American Airlines flights from Region of Ontario to San Francisco
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How to get the cheapest flight ticket from Region of Ontario to San Francisco
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 month to fly to San Francisco?
The cheapest month to fly to San Francisco from Region of Ontario is in April. Flight prices, which tend to average around C$ 441, are often lower during this time because this is during the off-season. The month of March is another great option to travel to San Francisco, with average flight prices from Region of Ontario averaging around C$ 449.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Region of Ontario to San Francisco is on a Friday. Travellers who choose to depart for San Francisco on a Friday will often find tickets for as low as C$ 771. On the other hand, Sunday is the most expensive day to depart from Region of Ontario because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,285.
What is the cheapest time of day to depart on your flight to San Francisco?
Flying to San Francisco from Region of Ontario at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 637 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to San Francisco is in the afternoon when prices are around C$ 1,365.
What is the cheapest Ontario to San Francisco flight route?
Fly from Toronto Pearson Intl to San Francisco for the best Ontario - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Region of Ontario when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around C$ 525 when searching 17 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Region of Ontario for as low as C$ 456 on momondo.
What cabin class options are available on Ontario to San Francisco flights?
There are 4 cabin classes available to choose from on Ontario to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ontario to San Francisco?
WestJet, Flair Airlines, and Porter Airlines are the most popular carriers operating from Ontario to San Francisco
Which airlines fly to San Francisco?
Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to San Francisco from Region of Ontario according to our data. Air Canada is the first choice among our users, with 46% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 8 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from Region of Ontario to San Francisco on average per day?
The number of flights available between Region of Ontario and San Francisco is 26 per day as of June 2025. The most frequent departure time is 7:00p.m., with 45% of daily flights leaving at noon.
How many flights depart from Region of Ontario to San Francisco on average per week?
The number of flights available between Region of Ontario and San Francisco is 185 per week as of June 2025. The most frequent departure day is Wed, with 18% of weekly flights leaving on this day.
Cheap Region of Ontario to San Francisco flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to San Francisco
Best price found | C$ 166 |
|---|---|
Fastest flight time | 5h 28m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
When did momondo last update prices for flights from Ontario to San Francisco Airport?
Prices for flights from Ontario to San Francisco Airport are updated daily.
How many operators does momondo search for flights from Ontario to San Francisco Airport?
The number of operators available for flights from Ontario to San Francisco Airport is 8 as of June 2025.
How old do you have to be to fly from Ontario to San Francisco Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Region of Ontario to San Francisco?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to San Francisco is Embraer 195 E2 (37.44% of total bookings). The next most popular plane models are Boeing 737-800 (32.51%), Airbus A320-100/200 (12.38%), and Boeing 737 MAX 8 (4.56%).
Best airlines flying from Region of Ontario to San Francisco
Compare and see reviews for airlines that fly from Region of Ontario to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 253 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 282 | Free Cancellation | Rating 7.2 2,876 reviews | |||
| PriceFrom C$ 294 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom C$ 324 | Free Cancellation | Rating 7.1 9,572 reviews | |||
| PriceFrom C$ 328 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom C$ 339 | Free Cancellation | Rating 8.0 289 reviews | |||
| PriceFrom C$ 406 | Free Cancellation | Rating 7.8 398 reviews | |||
| PriceFrom C$ 416 | Free Cancellation | Rating 8.0 10,000 reviews |
Travelling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to San Francisco?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to San Francisco . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ontario to San Francisco with flexible booking policies on momondo?
Flights from Ontario to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Ontario to San Francisco?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Ontario.
I’m not ready to book a flight from Ontario to San Francisco right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.