Cheap flights from Ontario to San Francisco Bay Area from C$ 188
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 Bay Area departing on 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted 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 Bay Area
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Flair Airlines flights from Region of Ontario to San Francisco Bay Area
Our best Flair Airlines deals on Region of Ontario to San Francisco Bay Area flight tickets
WestJet flights from Region of Ontario to San Francisco Bay Area
Our best WestJet deals on Region of Ontario to San Francisco Bay Area flight tickets
See travel insights to San Francisco Bay Area from
How to get the cheapest flight ticket from Region of Ontario to San Francisco Bay Area
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 Bay Area?
In general, April is the cheapest month to fly from Region of Ontario to San Francisco Bay Area. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 452. If you aren’t able to travel during the month of April, then book flights to San Francisco Bay Area from Region of Ontario during March instead. Flights to San Francisco Bay Area in March, while not as cheap as those in April, still average around C$ 461.
What is the cheapest day to depart on your flight to San Francisco Bay Area?
The cheapest day to depart on your flight to San Francisco Bay Area is on a Friday when prices can be found for as low as C$ 761. This is often the case because there is less demand to fly during this day of the week. Flights from Region of Ontario to San Francisco Bay Area on a Sunday will generally be more expensive and average around C$ 1,324. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to San Francisco Bay Area?
Our most recent data shows that the best time of day to fly to San Francisco Bay Area is at noon. Flights from Region of Ontario to San Francisco Bay Area during this time can be as low as C$ 651. In the afternoon is when there is more demand to fly to San Francisco Bay Area, so prices are often more expensive at around C$ 1,407 per ticket.
What is the cheapest Ontario to San Francisco Bay Area flight route?
Fly from Toronto Pearson Intl to San Francisco for the best Ontario - San Francisco Bay Area flight prices
How far in advance should I book a flight to San Francisco Bay Area?
You are more likely to see cheaper flights to San Francisco Bay Area from Region of Ontario when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco Bay Area for around C$ 550 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco Bay Area from Region of Ontario for as low as C$ 479 on momondo.
What cabin class options are available on Ontario to San Francisco Bay Area flights?
There are 4 cabin classes available to choose from on Ontario to San Francisco Bay Area 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 Bay Area?
Flair Airlines, WestJet, and Alaska Airlines are the most popular carriers operating from Ontario to San Francisco Bay Area
Which airlines fly to San Francisco Bay Area?
Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to San Francisco Bay Area from Region of Ontario according to our data. Air Canada is the first choice among our users, with 45% of people opting to fly with this airline when travelling to San Francisco Bay Area. Keep in mind that there are 9 different airlines that fly to San Francisco Bay Area 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 Bay Area on average per day?
The number of flights available between Region of Ontario and San Francisco Bay Area is 24 per day as of May 2025. The most frequent departure time is 6:00p.m., with 62% of daily flights leaving at noon.
How many flights depart from Region of Ontario to San Francisco Bay Area on average per week?
The number of flights available between Region of Ontario and San Francisco Bay Area is 169 per week as of May 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
Cheap Region of Ontario to San Francisco Bay Area flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to San Francisco Bay Area
Best price found | C$ 188 |
|---|---|
Fastest flight time | 5h 33m |
Direct flights | Every day |
Airports in San Francisco Bay Area | 2 airports |
When did momondo last update prices for flights from Ontario to San Francisco Bay Area?
Prices for flights from Ontario to San Francisco Bay Area are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to San Francisco Bay Area?
There are 9 operators available for flights from Ontario to San Francisco Bay Area as of May 2025.
How old do you have to be to fly from Ontario to San Francisco Bay Area?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to San Francisco Bay Area.
What documentation or ID do you need to fly to San Francisco Bay Area?
The travel and health documents required for your trip to San Francisco Bay Area can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Bay Area. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Region of Ontario to San Francisco Bay Area?
Based on momondo bookings for flights between Region of Ontario and San Francisco Bay Area, the leading plane model is Embraer 195 E2, making up 36.03% of the total bookings. Other popular models include Boeing 737 MAX 8 with 15.48%, Airbus A321-100/200 with 9.77%, and Airbus A330-200 with 7.94%.
Best airlines flying from Region of Ontario to San Francisco Bay Area
Compare and see reviews for airlines that fly from Region of Ontario to San Francisco Bay Area with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 273 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 289 | Free Cancellation | Rating 7.2 2,845 reviews | |||
| PriceFrom C$ 297 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom C$ 332 | Free Cancellation | Rating 7.0 9,369 reviews | |||
| PriceFrom C$ 349 | Free Cancellation | Rating 8.0 286 reviews | |||
| PriceFrom C$ 360 | Free Cancellation | Rating 7.4 8,743 reviews | |||
| PriceFrom C$ 393 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom C$ 418 | Free Cancellation | Rating 7.8 388 reviews | |||
| PriceFrom C$ 651 | Free Cancellation | Rating 9.2 5 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to San Francisco Bay Area?
It is quick and easy to find Ontario to San Francisco Bay Area flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco Bay Area that suits you.
Can I find flights from Ontario to San Francisco Bay Area with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Francisco Bay Area from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario to San Francisco Bay Area?
momondo provides multiple filters to help you find the best flight to San Francisco Bay Area from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ontario to San Francisco Bay Area right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Ontario to San Francisco Bay Area flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.