Cheap flights from San Francisco to Ontario from C$ 115
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Ontario departing on 23/2. 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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Cheap round-trip flights
These are some of the best round-trip flight deals from San Francisco to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Francisco to Ontario.
Cheap last-minute flights
Planning a quick getaway from San Francisco to Ontario? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.
WestJet flights from San Francisco to Region of Ontario
Our best WestJet deals on San Francisco to Region of Ontario flight tickets
WestJet![WestJet]()
9 May![WestJet]()
12 May
SFO12:50 p.m.San Francisco
8h 56m
1 stop
YKF12:46 a.m.Toronto Region of Waterloo Intl
YKF6:00 a.m.Toronto Region of Waterloo Intl
9h 05m
1 stop
SFO12:05 p.m.San Francisco
WestJet![WestJet]()
14 May![WestJet]()
19 May
SFO12:50 p.m.San Francisco
8h 56m
1 stop
YKF12:46 a.m.Toronto Region of Waterloo Intl
YKF6:00 a.m.Toronto Region of Waterloo Intl
9h 05m
1 stop
SFO12:05 p.m.San Francisco
Porter Airlines flights from San Francisco to Region of Ontario
Our best Porter Airlines deals on San Francisco to Region of Ontario flight tickets
Porter Airlines![Porter Airlines]()
7 Feb![Porter Airlines]()
9 Feb
SFO1:40 p.m.San Francisco
5h 02m
YYZ9:42 p.m.Toronto Pearson Intl
YYZ9:45 a.m.Toronto Pearson Intl
5h 54m
SFO12:39 p.m.San Francisco
Porter Airlines![Porter Airlines]()
30 May![Porter Airlines]()
17 Jun
SFO1:25 p.m.San Francisco
4h 59m
YYZ9:24 p.m.Toronto Pearson Intl
YYZ9:45 a.m.Toronto Pearson Intl
5h 38m
SFO12:23 p.m.San Francisco
See travel insights to Ontario from
How to get the cheapest flight ticket from San Francisco to Region of Ontario
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
Prices
Airlines
Other information
What is the cheapest month to fly to Region of Ontario?
In general, February is the cheapest month to fly from San Francisco to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 479. If you are unable to visit Region of Ontario during the month of February, then departing from San Francisco during the month March is also very affordable. Most momondo users find prices during this month for around C$ 542.
What is the cheapest day to depart on your flight to Region of Ontario?
The cheapest day to depart from San Francisco to Region of Ontario is on a Saturday. Travellers who choose to depart for Region of Ontario on a Saturday will often find tickets for as low as C$ 566. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 873.
What is the cheapest time of day to depart on your flight to Region of Ontario?
Our most recent data shows that the best time of day to fly to Region of Ontario is in the afternoon. Flights from San Francisco to Region of Ontario during this time can be as low as C$ 401. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 853 on average. Flights to Region of Ontario from San Francisco in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest San Francisco to Ontario flight route?
Fly from San Francisco to Toronto Pearson Intl for the best San Francisco - Ontario flight prices
How far in advance should I book a flight to Region of Ontario?
You are more likely to see cheaper flights to Region of Ontario from San Francisco when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 652 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from San Francisco for as low as C$ 430 on momondo.
What cabin class options are available on San Francisco to Ontario flights?
There are 4 cabin classes available to choose from on San Francisco to Ontario 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 San Francisco to Ontario?
WestJet, Porter Airlines, and Air Canada are the most popular carriers operating from San Francisco to Ontario
Which airlines fly to Region of Ontario?
Porter Airlines, Air Canada and Air Transat are the top three most popular airlines that fly to Region of Ontario from San Francisco according to our data. Porter Airlines is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 6 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to Region of Ontario on average per day?
As of January 2025, 18 flights take off from San Francisco and land in Region of Ontario each day. The most common flight departure time for this route is 8:00a.m., with 55% of daily flights taking off at noon.
How many flights depart from San Francisco to Region of Ontario on average per week?
The number of flights available between San Francisco and Region of Ontario is 129 per week as of January 2025. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.
Cheap San Francisco to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Region of Ontario
Best price found | C$ 115 |
|---|---|
Fastest flight time | 4h 52m |
Direct flights | Every day |
Airports in Region of Ontario | 5 airports |
When did momondo last update prices for flights from San Francisco Airport to Ontario?
Prices for flights from San Francisco Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Ontario?
As of January 2025, there are 6 operators available to choose from for flights from San Francisco Airport to Ontario.
How old do you have to be to fly from San Francisco Airport to Ontario?
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 San Francisco Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario 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 Ontario. 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 San Francisco to Region of Ontario?
Based on momondo bookings for flights between San Francisco and Region of Ontario, the leading plane model is Embraer 195 E2, making up 26.64% of the total bookings. Other popular models include Boeing 737 MAX 8 with 18.79%, Boeing 737-800 with 18.75%, and Airbus A220-300 with 16.93%.
Best airlines flying from San Francisco to Region of Ontario
Compare and see reviews for airlines that fly from San Francisco to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 249 | Free Cancellation | Rating 5.9 48 reviews | |||
| PriceFrom C$ 293 | Free Cancellation | Rating 7.9 278 reviews | |||
| PriceFrom C$ 310 | Free Cancellation | Rating 7.8 381 reviews | |||
| PriceFrom C$ 353 | Free Cancellation | Rating 7.0 8,640 reviews | |||
| PriceFrom C$ 402 | Free Cancellation | Rating 7.4 8,913 reviews | |||
| PriceFrom C$ 403 | Free Cancellation | Rating 7.2 2,817 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Francisco to Ontario?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Ontario. momondo saves you time and could save you money on your trip.
Can I find flights from San Francisco to Ontario with flexible booking policies on momondo?
All flight searches from San Francisco to Ontario on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from San Francisco to Ontario?
momondo provides multiple filters to help you find the best flight to Ontario from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from San Francisco to Ontario right now. Can momondo alert me if prices change?
Price alerts on flights to Ontario from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.
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