Preferred Seats offer extra space in exit rows, available for a fee or free for certain members.
Signature Class provides lie-flat seats and access to exclusive lounges for a luxury experience.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $257 (Kiwi.com) |
One-way from | $158 (Trip.com) |
Popular in | December |
Cheapest in | March |
Average price | $368 |
Good round-trip deal | $356 or less |
Good one-way deal | $213 or less |
Fly from
Fly to
Route
Depart
Return
Price
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Tue 12/2
5:55 pm-8:50 pm
Nonstop5h 55m
San Francisco
Wed 12/10
8:50 am-4:52 pm
Nonstop5h 02m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Thu 11/27
6:30 am-9:35 am
Nonstop6h 05m
San Francisco
Thu 11/27
1:25 pm-11:46 pm
1 stop7h 21m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Fri 11/21
5:55 pm-8:50 pm
Nonstop5h 55m
San Francisco
Sun 11/30
11:28 pm-7:30 am
Nonstop5h 02m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Fri 12/5
4:10 pm-10:55 pm
1 stop9h 45m
San Francisco
Sat 12/6
12:43 am-2:20 pm
1 stop10h 37m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Tue 12/9
6:12 pm-12:20 am
1 stop9h 08m
San Francisco
Tue 12/16
10:30 am-11:27 pm
2 stops9h 57m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Thu 12/11
6:00 am-12:36 pm
1 stop9h 36m
San Francisco
Tue 1/6
6:32 pm-9:04 am
2 stops11h 32m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Tue 12/2
4:45 pm-8:15 pm
1 stop30h 30m
San Francisco
Sat 12/6
11:36 am-3:35 pm
2 stops24h 59m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Sun 12/14
9:45 am-12:40 pm
Nonstop5h 55m
San Francisco
Tue 12/30
1:40 pm-9:39 pm
Nonstop4h 59m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Tue 12/9
9:45 am-12:40 pm
Nonstop5h 55m
San Francisco
Tue 12/30
1:40 pm-9:39 pm
Nonstop4h 59m
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Wed 12/3
1:30 pm-7:48 am
2 stops21h 18m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
The best time to book flights from Toronto Pearson Intl Airport to San Francisco is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, October is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to San Francisco (average of $165). Flying from Toronto Pearson Intl Airport to San Francisco in December is currently the most expensive (average of $264). 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.
A simple way to save on the total cost of your ticket is to fly from Toronto Pearson Intl Airport to San Francisco in the morning. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight in the evening.
Travelers seeking maximum savings on their Toronto Pearson Intl Airport to San Francisco flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 25% of weekly flights between Toronto and San Francisco have experienced delays in the past year, with the average delay time being 149 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Porter Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.
Chicago (ORD) – chosen by Cheapflights users on 40% of 1-stop itineraries from Toronto Pearson Intl Airport to San Francisco on Cheapflights.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 8h 06m.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 8h 06m.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 26m.
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Anonymous,Sep 2025
YYZ - OPO
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Anonymous,Sep 2025
YYZ - OPO
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Anonymous,Sep 2025
YYZ - OPO
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Anonymous,Sep 2025
YYZ - OPO
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Anonymous,Sep 2025
YYZ - OPO
Crew
Entertainment
Boarding
Comfort
Overall
Food
Reviews
Anonymous,Sep 2025
YYZ - OPO
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$280 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$253 | Average$405 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$268 | Average$389 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$288 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$319 | Average$489 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$338 | Average$404 | FlexibilityNo cancel fee | On-time50% |