Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Ontario to San Francisco
Cheapest flight tickets
$46
Average price of a round trip
$65
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
1h32
A flight from Ontario to San Francisco takes on average 1h32.
Best time
December
According to user searches, the ideal month to go to San Francisco is December.
What is the cheapest month for this flight?
Monthly price data (Table View)
November
Nov
$124
December
Dec
$75
January
Jan
$0
February
Feb
$66
March
Mar
April
Apr
$0
May
May
$70
June
Jun
$70
July
Jul
$78
August
Aug
$37
September
Sep
$61
October
Oct
$54
* The prices shown are an average per month of the prices found by Liligo users during the last 30 days.
Tips for finding a cheap flight from Ontario to San Francisco
Check out our tips for booking your flight to San Francisco (USA) from Ontario (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is August, with an average flight ticket price of $37 (calculation over the last two years). The most touristic season corresponds to the months of October, November and December.
For the cheapest flights, it is advisable to buy your ticket at least 37 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to San Francisco costs on average $64.
The airlines that offer the most flights are Frontier Airlines, United Airlines and Frontier Airlines.
Price of flight tickets from Ontario to San Francisco
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $46 to $188
- The average price of a flight ticket is about $65
- Prices are lowest for stays in the month of August
- The month in which booking a ticket is cheaper is: December
info departure city :
Ontario, USA
airports :
Ontario International Airport (ONT)
Cable Airport (CCB)
Chino Airport (CNO)
Brackett Field (POC)
local time :
Ontario is a city in the country USA, the time zone is [[timezone]]. In Ontario, it is currently {fromLocalTime}, the temperature is on average 22°C, with a minimum of 16°C and a maximum of 29°C.
The city of Ontario has 4 airport(s): Ontario, Cable, Chino and Brackett Field
destination info :
San Francisco, USA
airport :
San Francisco International Airport (SFO)
local time :
San Francisco is in the country USA, the time zone is [[timezone]]. In San Francisco, it is currently {toLocalTime}, the temperature is on average 17°C, with a minimum of 13°C and a maximum of 20°C.
The city of San Francisco has 1 airport(s): San Francisco
Useful info about San Francisco
What is the least touristic period to go to San Francisco?
If you want to visit San Francisco during the least touristic period, choose the month of December.
What is the most popular time to travel to San Francisco?
In San Francisco, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Ontario to San Francisco?
According to our data, it is recommended to book your flight 37 days before your departure. If you book your flight ticket 6 weeks before your departure, you may find a price below average. You can also choose morning flights that are 37% cheaper than afternoon and evening flights. The cheapest day to book a flight from Ontario to San Francisco is Friday.
What are the arrival and destination airports when traveling between Ontario and San Francisco?
When you leave, you can leave from Ontario, and you will arrive at San Francisco.
How to reach Ontario airport from the city centre?
The airport Ontario is located 5 km, Cable is located 6 km, Chino is located 9 km or Brackett Field is located 14 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Ontario to San Francisco?
The journey from Ontario to San Francisco can also be done by train. Search on Liligo to compare the different means of transportation.
Are there big differences in weather between Ontario and San Francisco?
In summer, the average temperature is 17°C in San Francisco and 25°C in Ontario. The average rainfall in summer is 2 mm in San Francisco and 4 mm in Ontario. In summer, it is warmer in Ontario and it rains less in San Francisco. In winter, it is colder in Ontario and it rains more in San Francisco.
