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Cheap flights from Ottawa (YOW) 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 Ottawa (YOW) to San Francisco (SFO)

How to find the cheapest flight from Ottawa (YOW) to San Francisco (SFO)
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How to find the cheapest flight from Ottawa (YOW) to San Francisco (SFO)
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How to find the cheapest flight from Ottawa (YOW) to San Francisco (SFO)
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Cheap flights from Ottawa to San Francisco in April , May 2026

21 Apr - 12 May $ 331.00
YOW
Ottawa
WestJet
1 STOPS
SFO
San Francisco
SFO
San Francisco
WestJet
1 STOPS
YOW
Ottawa
Pick dates
16 Apr - 05 May $ 536.00
YOW
Ottawa
WestJet
1 STOPS
SFO
San Francisco
SFO
San Francisco
WestJet
1 STOPS
YOW
Ottawa
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16 Apr - 05 May $ 553.00
YOW
Ottawa
Porter Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Porter Airlines
1 STOPS
YOW
Ottawa
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Last minute flights from Ottawa to San Francisco

21 Apr - 01 May $ 495.00
YOW
Ottawa
Air Canada
1 STOPS
SFO
San Francisco
SFO
San Francisco
Air Canada
1 STOPS
YOW
Ottawa
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12 Apr - 30 Apr $ 860.00
YOW
Ottawa
United Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
United Airlines
1 STOPS
YOW
Ottawa
Pick dates
13 Apr - 01 May $ 931.00
YOW
Ottawa
United Airlines
1 STOPS
SFO
San Francisco
SFO
San Francisco
United Airlines
1 STOPS
YOW
Ottawa
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One-way flights to San Francisco from Ottawa

6:00 AM - 10:05 AM
WestJet
1 Stops
9h 10m
YOW - SFO
$ 185
Kiwi
Pick dates
6:45 AM - 9:50 AM
Porter Airlines
1 Stops
9h
YOW - SFO
$ 363
Kiwi
Pick dates
4:15 PM - 6:50 PM
United Airlines
1 Stops
8h 15m
YOW - SFO
$ 464
Kiwi
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How to find the cheapest flight from Ottawa (YOW) to San Francisco (SFO)

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