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Cheap flights from Ontario to San Francisco (ONT - SFO)

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The best prices from Ontario to San Francisco are usually found in March or April, booked 32 days in advance, depart on a Saturday or Friday and return on a Tuesday

$330
$270
$210
$149
Price
$149 - $289
Temperature
59 - 77 °F
Rainfall
0 - 5 inches
Most popular in November High demand for flights, 18% potential price rise
Cheapest in March Best time to find cheap flights, 4% potential price drop
Average price $241 Price for this month
Cheapest price $149 From Ontario to San Francisco

Cheap flights from Ontario to San Francisco in December 2019

The best prices found for ONT to SFO flights for December
24 Dec - 14 Jan
$107pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
25 Dec - 1 Jan
$117pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
30 Dec - 8 Jan
$142pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario

Ontario to San Francisco 2020 flight deals

Cheap flights to San Francisco from Ontario found for this year
16 Jan - 25 Jan
$97pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
8 Feb - 10 Feb
$107pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
26 Feb - 29 Feb
$117pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario

Non-stop flights to San Francisco from Ontario

Save time with Ontario to San Francisco direct flight deals
8 Jan - 14 Jan
$97pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
8 Feb - 10 Feb
$107pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
25 Dec - 1 Jan
$117pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario

Last minute flights from Ontario to San Francisco

Late deals on round-trip flights to San Francisco from Ontario, departing today and this week
19 Dec - 30 Dec
$173pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
18 Dec - 9 Jan
$178pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
15 Dec - 1 Jan
$208pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario

Alternative routes for Ontario to San Francisco

Destination information for San Francisco

Things to know before you go. Useful info for your trip from Ontario to San Francisco
Flight duration
1h 28m
Average temperature for December in San Francisco
59.0 °F
Avg rainfall for December in San Francisco
4.7 ″

Airports servicing Ontario

Airports servicing San Francisco

Weekly flight availability
from Ontario to San Francisco
Sunday
12 daily flights
Monday
15 daily flights
Tuesday
15 daily flights
Wednesday
15 daily flights
Thursday
15 daily flights
Friday
15 daily flights
Saturday
4 daily flights

Related info for your journey

Useful info, stats and facts about Ontario to San Francisco flights.

Flight FAQs

From Ontario to San Francisco

What days are nonstop flights available from Ontario to San Francisco?

Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

This flight path from Ontario to San Francisco was viewed by 661 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Airlines departing from Ontario to San Francisco can be delayed by up to 68min. or more hours.

How many passenger seats are available on a flight on this route?

On average, there are a total of 196 seats offered from Ontario to San Francisco per day.

What is the cheapest airline for this route?

The cheapest airline for this route is SkyWest Airlines. When flying this airline from Ontario to San Francisco on average you can expect to find 110 flights available for this route daily.

How long does the flight from Ontario to San Francisco take?

For nonstop trips expect to fly for about 2 hours. The travel distance is approximately 226 miles.

How many flights depart from Ontario to San Francisco on average per day?

39 flight departures from Ontario to San Francisco per day on average.
Early Morning (Midnight to 6am) - 5% of flight departures
Morning (6am - Noon) - 38% of flight departures
Afternoon (Noon - 6pm) - 28% of flight departures
Evening (6pm - Midnight) - 28% of flight departures

Does it rain more in Ontario or San Francisco?

In Ontario, there will be less rainfall in Ontario compared to San Francisco over the next 7 days.

Is Ontario weather warmer or cooler than San Francisco?

We forecast the temperature to be around the 95 °F's in July, on average. The temperature in San Francisco is generally colder than in Ontario. Book flights in a timely manner in correlation to your departure date.