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 15 days agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Good Availability
47% of dates checked are available within 10% of the lowest price
Saturday, August 1st, 2026
7 round-trip options
Returning
Thu, Aug 6, 2026•5 Day Trip
$1,509 USD
Returning
Sat, Aug 8, 2026•7 Day Trip
$1,285 USD
Returning
Sun, Aug 9, 2026•8 Day Trip
$1,447 USD
Returning
Mon, Aug 10, 2026•9 Day Trip
$1,277 USD
Returning
Tue, Aug 11, 2026•10 Day Trip
$1,192 USD
Returning
Fri, Aug 14, 2026•13 Day Trip
$1,253 USD
Returning
Sat, Aug 15, 2026•14 Day Trip
$1,367 USD