San Francisco (SFO) to Porto (OPO) flight deal in economy from $728

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

San Francisco International Airport

San Francisco, United States
PortugalOPO

Francisco Sá Carneiro Airport

Porto, Portugal
$897 USD
-19%$728 USD
Verified 16 days ago
Good Availability
47% of dates checked are available within 10% of the lowest price

Thursday, August 27th, 2026

7 round-trip options

Returning
Tue, Sep 1, 2026•5 Day Trip
$1,061 USD
Google Flights
Returning
Thu, Sep 3, 2026•7 Day Trip
$1,052 USD
Google Flights
Returning
Fri, Sep 4, 2026•8 Day Trip
$1,052 USD
Google Flights
Returning
Sat, Sep 5, 2026•9 Day Trip
$1,112 USD
Google Flights
Returning
Sun, Sep 6, 2026•10 Day Trip
$1,098 USD
Google Flights
Returning
Wed, Sep 9, 2026•13 Day Trip
$1,052 USD
Google Flights
Returning
Thu, Sep 10, 2026•14 Day Trip
$1,060 USD
Google Flights