Fly from
Fly to
Route
Depart
Return
HamiltonSan Francisco
YHM - SFO
YHMSFO
Hamilton
Tue 14/4
5:50 a.m.-12:10 p.m.
1 stop9h 20m
San Francisco
Tue 12/5
6:00 a.m.-5:15 p.m.
1 stop8h 15m
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Wed 27/5
6:15 p.m.-9:55 p.m.
2 stops30h 40m
San Francisco
Sat 6/6
6:05 p.m.-5:35 a.m.
1 stop8h 30m
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Fri 1/5
6:15 p.m.-12:00 p.m.
2 stops20h 45m
San Francisco
Mon 4/5
6:00 a.m.-5:15 p.m.
1 stop8h 15m
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Fri 8/5
1:20 p.m.-12:00 p.m.
1 stop25h 40m
San Francisco
Wed 27/5
6:00 a.m.-5:15 p.m.
1 stop8h 15m
LondonSan Francisco
YXU - SFO
YXUSFO
London
Fri 29/5
6:10 a.m.-12:00 p.m.
1 stop8h 50m
San Francisco
Sat 30/5
6:00 a.m.-4:45 p.m.
1 stop7h 45m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Tue 12/5
9:45 a.m.-12:20 p.m.
Nonstop5h 35m
San Francisco
Wed 13/5
1:20 p.m.-9:25 p.m.
Nonstop5h 05m
MontrealSan Francisco
YUL - SFO
YULSFO
Montreal Pierre Elliott Trudeau Intl
Tue 5/5
6:45 a.m.-12:20 p.m.
1 stop8h 35m
San Francisco
Wed 6/5
1:20 p.m.-12:37 a.m.
1 stop8h 17m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Sat 30/5
9:45 a.m.-12:20 p.m.
Nonstop5h 35m
San Francisco
Mon 8/6
1:20 p.m.-9:25 p.m.
Nonstop5h 05m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Fri 27/3
5:55 p.m.-8:55 p.m.
Nonstop6h 00m
San Francisco
Mon 30/3
12:45 a.m.-2:24 p.m.
1 stop10h 39m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Sun 17/5
6:30 a.m.-9:23 a.m.
Nonstop5h 53m
San Francisco
Sun 24/5
5:05 a.m.-3:46 p.m.
1 stop7h 41m
Currently, August is the cheapest month in which you can book a flight from Region of Ontario to San Francisco (average of C$ 216). Flying from Region of Ontario to San Francisco in December is currently the most expensive (average of C$ 344). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Region of Ontario to San Francisco is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 51% on airfare.
Travelers seeking maximum savings on their Region of Ontario to San Francisco flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from CAON to SFO are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
Cheapflights helps you search for flights from Ontario to San Francisco via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Cheapflights helps you find that perfect flight to San Francisco from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to San Francisco, users can toggle the no change fees filter when performing a flight search.
Yes! Start tracking prices for Ontario to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.