Flights from San Francisco International Airport to Ontario

Flight deals from San Francisco International Airport to Ontario

Looking for cheap tickets from San Francisco International Airport to Ontario, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Flying from San Francisco International Airport to Ontario

Arm yourself with these facts on the fly.
Cheapest flight found198 €
Cheapest month to flyDecember
Average flight time4 hrs, 59 mins
Average flights per week304
Most popular airlineAir Canada

Frequently asked questions

Yes - direct flights currently operate from San Francisco International Airport to Toronto Pearson International Airport in Ontario.
We looked at all of the upcoming return flights from San Francisco International Airport to Ontario we could find over the next 12 months. It looks like 198 € is the best price. This is good, compared to the average Ontario ticket price of 457 €.
The cheapest month to fly from San Francisco International Airport to Ottawa International Airport is currently December.
The cheapest month to fly from San Francisco International Airport to Thunder Bay Airport is currently October.
The cheapest month to fly from San Francisco International Airport to Sault Ste Marie Airport is currently January.
And the cheapest month to fly from San Francisco International Airport to Toronto Pearson International Airport is usually December.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Francisco International Airport to Ontario on Tuesday, 9 December 2025.
If you're flying from San Francisco International, the cheapest city in Ontario to fly into is Toronto. The cheapest airport serving Toronto at the moment is Toronto Pearson International.
The average flight time between San Francisco International Airport and Ontario is 4 hours and 59 minutes.