Porto (OPO) to San Francisco (SFO) flight deal in economy from $669
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
SFOSan Francisco International Airport
San Francisco, United States
$871 USD
-23%$669 USD
Verified about 15 hours agoDecember 2026
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Limited Availability
16% of dates checked are available within 10% of the lowest price
Tuesday, December 22nd, 2026
7 round-trip options
Returning
Sun, Dec 27, 2026•5 Day Trip
$851 USD
Returning
Mon, Dec 28, 2026•6 Day Trip
$850 USD
Returning
Wed, Dec 30, 2026•8 Day Trip
$850 USD
Returning
Fri, Jan 1, 2027•10 Day Trip
$703 USD
Returning
Sat, Jan 2, 2027•11 Day Trip
$766 USD
Returning
Mon, Jan 4, 2027•13 Day Trip
$740 USD
Returning
Tue, Jan 5, 2027•14 Day Trip
$703 USD