Compare all flight tickets and find cheap flights from Ontario to San Francisco

Cheapest flight tickets

$53

Price observed over the last 3 months for a round trip.

Average price of a round trip

$62

Average flight ticket price recorded over the last 3 months for a round trip.

Flight duration

1h27

A flight from Ontario to San Francisco takes on average 1h27.

Best time

June

According to user searches, the ideal month to go to San Francisco is June.

What is the cheapest month for this flight?

* 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 $34 (calculation over the last two years). The most touristic season corresponds to the months of November, October and September.
For the cheapest flights, it is advisable to buy your ticket at least 52 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 $62.
The airlines that offer the most flights are Frontier 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 $53 to $69
  • The average price of a flight ticket is about $62
  • Prices are lowest for stays in the month of August
  • The month in which booking a ticket is cheaper is: February
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 GMT . In Ontario, it is currently {fromLocalTime}, the temperature is on average 12°C, with a minimum of 7°C and a maximum of 19°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 GMT . In San Francisco, it is currently {toLocalTime}, the temperature is on average 11°C, with a minimum of 7°C and a maximum of 15°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 June.

What is the most popular time to travel to San Francisco?

In San Francisco, the most popular month is November. 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 52 days before your departure. If you book your flight ticket 8 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Ontario to San Francisco is Thursday.

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?

Airplane is the only means of transportation listed on Liligo for this journey.

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.

Prepare your stay in San Francisco

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