Cheap flights from San Francisco to Ontario
Cheap flight deals from San Francisco to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2025.
Popular in | December |
|---|---|
Cheapest in | May |
Average price | C$ 229 |
Best time to book a flight from San Francisco to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from San Francisco with our price prediction graph.
Travel insights for flights from San Francisco to Ontario
Get recent, data-driven insights about flights from San Francisco to Ontario including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from San Francisco to Ontario?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Ontario. Price data was last updated on 14 February 2025.
The best time to book flights from San Francisco to Ontario is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Francisco to Ontario?
Currently, September is the cheapest month in which you can book a flight from San Francisco to Ontario (average of C$ 290). Flying from San Francisco to Ontario in May is currently the most expensive (average of C$ 574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SFO to ONT?
Find hourly flight availability from San Francisco to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.
When flying from San Francisco to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from San Francisco to Ontario
Explore weekly flight availability from San Francisco to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 February 2025.
The most flights from SFO to ONT are scheduled on a Thursday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Francisco to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from San Francisco to Ontario?
Cheapflights makes it easy to find San Francisco to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from San Francisco to Ontario?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco to Ontario for you. Better yet — we are completely free to use.
Can Cheapflights find flights from San Francisco to Ontario with no change fees?
Yes! Cheapflights helps users easily find flights from San Francisco to Ontario with no change fees.
Can Cheapflights notify me if prices for flights from San Francisco to Ontario become cheaper?
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