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

Saturday, August 29th, 2026

7 round-trip options

Returning
Thu, Sep 3, 2026•5 Day Trip
$1,497 USD
Google Flights
Returning
Sat, Sep 5, 2026•7 Day Trip
$1,030 USD
Google Flights
Returning
Sun, Sep 6, 2026•8 Day Trip
$1,030 USD
Google Flights
Returning
Mon, Sep 7, 2026•9 Day Trip
$971 USD
Google Flights
Returning
Tue, Sep 8, 2026•10 Day Trip
$971 USD
Google Flights
Returning
Fri, Sep 11, 2026•13 Day Trip
$970 USD
Google Flights
Returning
Sat, Sep 12, 2026•14 Day Trip
$1,041 USD
Google Flights