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Cheap flights from Toronto (YTO) to San Francisco (SFO)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Toronto (YTO) to San Francisco (SFO)

How to find the cheapest flight from Toronto (YTO) to San Francisco (SFO)
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How to find the cheapest flight from Toronto (YTO) to San Francisco (SFO)
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How to find the cheapest flight from Toronto (YTO) to San Francisco (SFO)
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Cheap flights from Toronto to San Francisco in May , June 2026

28 May - 05 Jun $ 420.00
YTO
Toronto
Porter Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Porter Airlines
DIRECT
YTO
Toronto
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28 May - 02 Jun $ 569.00
YTO
Toronto
Air Canada
DIRECT
SFO
San Francisco
SFO
San Francisco
Air Canada
DIRECT
YTO
Toronto
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24 May - 02 Jun $ 955.00
YTO
Toronto
Air Canada
DIRECT
SFO
San Francisco
SFO
San Francisco
Air Canada
DIRECT
YTO
Toronto
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Last minute flights from Toronto to San Francisco

27 May - 31 May $ 575.00
YTO
Toronto
United Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
United Airlines
1 STOPS
YTO
Toronto
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29 May - 31 May $ 638.00
YTO
Toronto
Porter Airlines
DIRECT
SFO
San Francisco
SFO
San Francisco
Porter Airlines
DIRECT
YTO
Toronto
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24 May - 31 May $ 1,250.00
YTO
Toronto
Air Canada
DIRECT
SFO
San Francisco
SFO
San Francisco
Air Canada
DIRECT
YTO
Toronto
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One-way flights to San Francisco from Toronto

9:45 AM - 9:45 AM
Porter Airlines
0 Stops
5h 38m
YTO - SFO
$ 257
Kiwi
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9:45 AM - 9:45 AM
Porter Airlines
0 Stops
5h 38m
YTO - SFO
$ 257
Kiwi
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10:05 AM - 10:05 AM
United Airlines
0 Stops
5h 35m
YTO - SFO
$ 514
Kiwi
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How to find the cheapest flight from Toronto (YTO) to San Francisco (SFO)

Related info for your journey
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How to find the cheapest flight from Toronto (YTO) to San Francisco (SFO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Toronto (YTO) to San Francisco (SFO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.