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Cheap flights from San Francisco (SFO) to Porto (OPO)

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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 San Francisco (SFO) to Porto (OPO)

How to find the cheapest flight from San Francisco (SFO) to Porto (OPO)
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How to find the cheapest flight from San Francisco (SFO) to Porto (OPO)
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How to find the cheapest flight from San Francisco (SFO) to Porto (OPO)
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Cheap flights from San Francisco to Porto in August , September 2026

20 Aug - 02 Sep $ 977.00
SFO
San Francisco
Swiss International Air Lines
1 STOPS
OPO
Porto
OPO
Porto
Swiss International Air Lines
1 STOPS
SFO
San Francisco
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19 Aug - 10 Sep $ 1,213.00
SFO
San Francisco
TAP Portugal
1 STOPS
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
SFO
San Francisco
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24 Aug - 02 Sep $ 2,204.00
SFO
San Francisco
KLM Royal Dutch Airlines
1 STOPS
OPO
Porto
OPO
Porto
KLM Royal Dutch Airlines
1 STOPS
SFO
San Francisco
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Last minute flights from San Francisco to Porto

26 Aug - 31 Aug $ 1,054.00
SFO
San Francisco
TAP Portugal
1 STOPS
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
SFO
San Francisco
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26 Aug - 31 Aug $ 1,054.00
SFO
San Francisco
TAP Portugal
1 STOPS
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
SFO
San Francisco
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24 Aug - 31 Aug $ 1,839.00
SFO
San Francisco
TAP Portugal
1 STOPS
OPO
Porto
OPO
Porto
TAP Portugal
1 STOPS
SFO
San Francisco
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One-way flights to Porto from San Francisco

4:35 PM - 7:30 PM
TAP Portugal
1 Stops
19h 50m
SFO - OPO
$ 509
Kiwi
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4:35 PM - 2:00 PM
TAP Portugal
1 Stops
14h 25m
SFO - OPO
$ 512
Kiwi
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8:15 AM - 6:15 PM
United Airlines
1 Stops
14h
SFO - OPO
$ 640
Kiwi
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How to find the cheapest flight from San Francisco (SFO) to Porto (OPO)

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