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? Stopover? Instantly customise your results.Trusted 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
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Cheap bus & train deals from Ontario to San Francisco
All round-trip flight deals to San Francisco
See travel insights to San Francisco from
How to get the cheapest flight ticket from 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?
If you’re not able to fly to San Francisco in October, then September is your next best option. Flight prices from Ontario to San Francisco during September average around R2 148.
What is the cheapest time of day to depart on your flight to San Francisco?
According to our data, the cheapest time of day to fly to San Francisco is at midday. momondo users have found flights departing from Ontario to San Francisco at midday for as low as R0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are R1 315 on average. Flights to San Francisco from Ontario in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Ontario to San Francisco flight route?
Fly from Ontario to San Francisco for the best Ontario - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
We recommend purchasing flights from Ontario to San Francisco 47 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to San Francisco for R2 299. However, in the past 72 hours, people saw flights from Ontario for as low as R20 219.
What cabin class options are available on Ontario to San Francisco flights?
There are 1 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.
How have Ontario to San Francisco flight prices changed over time?
As of December 2024, prices for Ontario to San Francisco flights are approximately 10% more expensive when compared to flights at the same time last year.
When to book flights from Ontario to San Francisco
Cheap Ontario to San Francisco (ONT to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to San Francisco
How far is Ontario to San Francisco by plane?
There are 595,7 km between Ontario and San Francisco.
When did momondo last update prices for flights from Ontario Airport to San Francisco Airport?
Prices for flights from Ontario Airport to San Francisco Airport are updated daily.
How old do you have to be to fly from Ontario Airport to San Francisco 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 stopovers 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 San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ontario to San Francisco?
Based on momondo bookings for flights between Ontario and San Francisco, the leading plane model is Airbus A320neo, making up 27,57% of the total bookings. Other popular models include Airbus A321neo with 13,74%, Airbus A320 (sharklets) with 10,06%, and Embraer 175 (Enhanced Winglets) with 8,43%.
Why 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?
All flight searches from Ontario to San Francisco on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ontario to San Francisco?
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 San Francisco.
I’m not ready to book a flight from Ontario to San Francisco right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Ontario to San Francisco 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.