Porto (OPO) to San Francisco (SFO) flight deal in economy from $669

Air CanadaACAir CanadaLufthansaLHLufthansaSwiss International Air LinesLXSwiss International Air LinesAustrian AirlinesOSAustrian AirlinesUnited AirlinesUAUnited Airlines
Round Trip•Economy
PortugalOPO

Francisco Sá Carneiro Airport

Porto, Portugal
United StatesSFO

San Francisco International Airport

San Francisco, United States
$871 USD
-23%$669 USD
Verified about 14 hours ago
Limited Availability
16% of dates checked are available within 10% of the lowest price

Saturday, November 7th, 2026

7 round-trip options

Returning
Thu, Nov 12, 2026•5 Day Trip
$852 USD
Google Flights
Returning
Fri, Nov 13, 2026•6 Day Trip
$852 USD
Google Flights
Returning
Sun, Nov 15, 2026•8 Day Trip
$852 USD
Google Flights
Returning
Tue, Nov 17, 2026•10 Day Trip
$686 USD
Google Flights
Returning
Wed, Nov 18, 2026•11 Day Trip
$702 USD
Google Flights
Returning
Fri, Nov 20, 2026•13 Day Trip
$890 USD
Google Flights
Returning
Sat, Nov 21, 2026•14 Day Trip
$855 USD
Google Flights