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
Monday, August 3rd, 2026
7 round-trip options
Returning
Sat, Aug 8, 2026•5 Day Trip
$1,538 USD
Returning
Mon, Aug 10, 2026•7 Day Trip
$1,163 USD
Returning
Tue, Aug 11, 2026•8 Day Trip
$1,045 USD
Returning
Wed, Aug 12, 2026•9 Day Trip
$984 USD
Returning
Thu, Aug 13, 2026•10 Day Trip
$1,141 USD
Returning
Sun, Aug 16, 2026•13 Day Trip
$1,333 USD
Returning
Mon, Aug 17, 2026•14 Day Trip
$1,218 USD