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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 33 days in advance, depart on a Saturday or Friday and return on a Tuesday

ONT - SFO
Price
$149 - $289
SFO
Temperature
59 - 77 °F
SFO
Rainfall
0 - 4.7 inches
Popular in November High demand for flights, 29% potential price rise
Cheapest in March Best time to find cheap flights, 28% potential price drop
Round-trip from $149 From Ontario to San Francisco
One-way from $43 One-way flight from Ontario to San Francisco
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Cheap flights from Ontario to San Francisco in June, July 2020

The best prices found for ONT to SFO flights for June, July
16 Jun - 23 Jun
$224pp
ONT
Ontario
$self.airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
 
1 STOP
ONT
Ontario
12 Jun - 14 Jun
$244pp
ONT
Ontario
$self.airline
 
1 STOP
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario
1 Jun - 9 Jun
$251pp
ONT
Ontario
$self.airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
 
1 STOP
ONT
Ontario

Ontario to San Francisco 2020 flight deals

Cheap flights to San Francisco from Ontario found for this year
5 Aug - 5 Aug
$151pp
ONT
Ontario
$self.airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
American Airlines
 
1 STOP
ONT
Ontario
16 Jun - 23 Jun
$224pp
ONT
Ontario
$self.airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
 
1 STOP
ONT
Ontario
12 Jun - 14 Jun
$244pp
ONT
Ontario
$self.airline
 
1 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
21 Aug - 29 Aug
$2270pp
ONT
Ontario
Linear Air Taxi
Non-Stop
SFO
San Francisco
SFO
San Francisco
Linear Air Taxi
Non-Stop
ONT
Ontario
21 Aug - 29 Aug
$2286pp
ONT
Ontario
Linear Air Taxi
Non-Stop
SFO
San Francisco
SFO
San Francisco
Linear Air Taxi
Non-Stop
ONT
Ontario
21 Aug - 24 Aug
$3423pp
ONT
Ontario
Linear Air Taxi
Non-Stop
SFO
San Francisco
SFO
San Francisco
Linear Air Taxi
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
28 May - 1 Jun
$375pp
ONT
Ontario
$self.airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
 
1 STOP
ONT
Ontario
28 May - 31 May
$410pp
ONT
Ontario
$self.airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
 
1 STOP
ONT
Ontario
28 May - 1 Jun
$474pp
ONT
Ontario
$self.airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
 
1 STOP
ONT
Ontario

One-way flights to San Francisco from Ontario

The cheapest one-way flights from Ontario to San Francisco
11:00 am - 12:22 pm
SWISS
Nonstop
1h 22m
ONT - SFO
SWISS
$43
CheapTickets.de
5:15 pm - 7:20 am
Multiple Airlines
2 Stops
38h 05m
ONT - SFO
Multiple Airlines
$148
Kiwi.com
6:30 pm - 9:46 am
JetBlue
1 Stop
15h 16m
ONT - SFO
JetBlue

Related info for your journey

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

Flight FAQs

From Ontario to San Francisco

Are flight prices decreasing from Ontario to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Ontario to San Francisco for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to San Francisco for under $200. The cheapest flight booked recently is on Multiple Airlines for just $151, but on average you can expect to pay $409.

Are there nonstop flights from Ontario to San Francisco for under $2300 on Cheapflights?

Cheapflights has at least 3 direct flights from Ontario to San Francisco under $2300. A good price for a nonstop flight from Ontario to San Francisco is less than $2659.

Are there last-minute flights available from Ontario to San Francisco for under $400?

There are currently 3+ open flights from Ontario to San Francisco within the next 7 days for less than $400.

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

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

How popular is this flight route?

This flight path from Ontario to San Francisco was viewed by 640 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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?

2 flight departures from Ontario to San Francisco per day on average.
Afternoon (Noon - 6pm) - 100% of flight departures

Does it rain more in Ontario or San Francisco?

In Ontario, there will be same rainfall in Ontario compared to San Francisco over the next 2 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.

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
Average temperature for June in San Francisco
73.4 °F
Avg rainfall for June in San Francisco
0.0 ″

Airports servicing Ontario

Airports servicing San Francisco

Hourly flight availability from Ontario to San Francisco

Afternoon Noon to 6 PM 100% of ONT to SFO departures
Early morning Midnight to 6 AM 0% of ONT to SFO departures
Morning 6 AM to noon 0% of ONT to SFO departures
Evening 6 PM to midnight 0% of ONT to SFO departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Ontario to San Francisco
Sunday
3 daily flights
Monday
4 daily flights
Tuesday
4 daily flights
Wednesday
1 daily flight
Thursday
2 daily flights
Friday
2 daily flights
Saturday
3 daily flights