Cheap flights Ontario, CA to San Francisco from £78

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😷 Is it safe to travel from Ontario, CA to San Francisco during the Covid-19 situation?

At Opodo we want to make sure that your travel plans are not affected by any cancelation as well as any possible restrictions United States may apply when travelling from Ontario, CA. Is your flight cancelled? We've got your back! With our flexible ticket guarantee you can decide if you want to book another flight - free of rebooking fee - or get a full refund!

🔍 How can I find cheap flights from Ontario, CA to San Francisco at Opodo?

The cheapest price for a flight from Ontario, CA to San Francisco is 78£. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.

📉 When is the best time to book a flight from Ontario, CA to San Francisco?

The most popular months to book a trip from Ontario, CA to San Francisco are November, October and May, based on the searches of our customers.

📅 When is the best time to travel from Ontario, CA to San Francisco?

The best time of the year to go to San Francisco when flying from Ontario, CA depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, December is the top 1º month to fly to San Francisco from Ontario, CA in terms of searches from our customer, followed by August and November. If you prefer to avoid high peaks of turism, however, and escape a crowded period, March, September and June are the months with less volume of searchs for the route Ontario, CA - San Francisco.

🕑 How long does the flight take to go from Ontario, CA to San Francisco?

The total flight time between Ontario, CA and San Francisco is of around 01:39 hours on average, considering an average distance of 584 km, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).

🌡️ How is the weather in San Francisco compared to Ontario, CA?

While in Ontario, CA the temperatures can reach an average of 36.7 ºC in summer, with precipitation levels up to 1.4 mm ,San Francisco's temperatures can go up to 32.98 ºC during the hot season, with 6.0 mm average of rain rate . In winter, however, weather indicators show around 2.36 ºC in San Francisco, compared to the -0.46 ºC average degrees reported in Ontario, CA. During the winter period, Ontario, CA can register 3.0 mm precipitation, while San Francisco have an average of 12.0 mm rain level.

🛄 Which airports have flights between Ontario, CA and San Francisco?

The main airport route flying between Ontario, CA and San Francisco is: Ontario International (ONT) to San Francisco Intl Airport (SFO). This route is covered by the following airline(s):

United Airlines.
Air Canada.

Flight Duration	1 h and 39 m	Flights between Ontario, CA and San Francisco take, on average, 1 h and 39 m minutes, but the time can vary according to other factors
Cheapest flight	£78	Cheapest price for a one-way flight between Ontario, CA with San Francisco found by our customers in the last 72 hours
Departing Airport	Ontario International	The airport Ontario International is the departure airport operating flights between Ontario, CA and San Francisco
Arriving Airport	San Francisco Intl Airport	Flights departing Ontario, CA with San Francisco as destination arrives at San Francisco Intl Airport

Ontario, CA to San Francisco flights

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