San Francisco (SFO) to Porto (OPO) flight deal in economy from $728
SFOSan Francisco International Airport
San Francisco, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$897 USD
-19%$728 USD
Verified 16 days agoAugust 2026
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Good Availability
47% of dates checked are available within 10% of the lowest price
Tuesday, August 4th, 2026
7 round-trip options
Returning
Sun, Aug 9, 2026•5 Day Trip
$1,357 USD
Returning
Tue, Aug 11, 2026•7 Day Trip
$1,045 USD
Returning
Wed, Aug 12, 2026•8 Day Trip
$961 USD
Returning
Thu, Aug 13, 2026•9 Day Trip
$1,139 USD
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Fri, Aug 14, 2026•10 Day Trip
$1,120 USD
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Mon, Aug 17, 2026•13 Day Trip
$1,218 USD
Returning
Tue, Aug 18, 2026•14 Day Trip
$1,000 USD