Menu

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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Ontario to San Francisco are usually found in March or April, booked 37 days in advance, depart on a Saturday or Friday and return on a Monday

$330
$270
$210
$149
Price
$149 - $289
Temperature
59 - 77 °F
Rainfall
0 - 5 inches
Most popular in November High demand for flights, 16% potential price rise
Cheapest in March Best time to find cheap flights, 4% potential price drop
Average price $196 Price for this month
Cheapest price $149 From Ontario to San Francisco

Cheap flights from Ontario to San Francisco in March 2020

The best prices found for ONT to SFO flights for March
31 Mar - 1 Apr
$117pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
26 Mar - 10 May
$132pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
8 Mar - 10 Mar
$149pp
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
21 Apr - 28 Apr
$117pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
2 Apr - 5 Apr
$132pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
4 Apr - 14 Apr
$141pp
ONT
Ontario
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
ONT
Ontario

Non-stop flights to San Francisco from Ontario

Save time with Ontario to San Francisco direct flight deals
21 Apr - 28 Apr
$117pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
2 Apr - 5 Apr
$132pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
24 Apr - 26 Apr
$147pp
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
1 Mar - 9 Mar
$223pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
28 Feb - 9 Mar
$243pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
29 Feb - 3 Mar
$244pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario

One-way flights to San Francisco from Ontario

The cheapest one-way flights from Ontario to San Francisco
10:10 am - 11:46 am
United Airlines
Nonstop
1h 36m
ONT - SFO
United Airlines
$59
United
6:42 am - 8:18 am
United Airlines
Nonstop
1h 36m
ONT - SFO
United Airlines
$74
United
7:23 am - 8:59 am
United Airlines
Nonstop
1h 36m
ONT - SFO
United Airlines
$91
United

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 33m
Average temperature for February in San Francisco
60.8 °F
Avg rainfall for February in San Francisco
3.6 ″

Airports servicing Ontario

Airports servicing San Francisco

Weekly flight availability
from Ontario to San Francisco
Sunday
12 daily flights
Monday
16 daily flights
Tuesday
16 daily flights
Wednesday
16 daily flights
Thursday
16 daily flights
Friday
16 daily flights
Saturday
12 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 586 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?

28 flight departures from Ontario to San Francisco per day on average.
Early Morning (Midnight to 6am) - 14% of flight departures
Morning (6am - Noon) - 36% of flight departures
Afternoon (Noon - 6pm) - 18% of flight departures
Evening (6pm - Midnight) - 32% 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 11 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.