Porto (OPO) to San Francisco (SFO) flight deal in economy from $734
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
SFOSan Francisco International Airport
San Francisco, United States
$876 USD
-16%$734 USD
Verified about 3 hours agoSeptember 2026
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Good Availability
50% of dates checked are available within 10% of the lowest price
Tuesday, September 1st, 2026
0 round-trip options
No flight details available for this date.