San Francisco (SFO) to Porto (OPO) flight deal in economy from $786

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
$975 USD
-19%$786 USD
Verified 2 days ago
Good Availability
44% of dates checked are available within 10% of the lowest price

Thursday, September 17th, 2026

10 round-trip options

Returning
Tue, Sep 22, 2026•5 Day Trip
$901 USD
Google Flights
Returning
Wed, Sep 23, 2026•6 Day Trip
$901 USD
Google Flights
Returning
Thu, Sep 24, 2026•7 Day Trip
$900 USD
Google Flights
Returning
Fri, Sep 25, 2026•8 Day Trip
$900 USD
Google Flights
Returning
Sat, Sep 26, 2026•9 Day Trip
$971 USD
Google Flights
Returning
Sun, Sep 27, 2026•10 Day Trip
$935 USD
Google Flights
Returning
Mon, Sep 28, 2026•11 Day Trip
$878 USD
Google Flights
Returning
Tue, Sep 29, 2026•12 Day Trip
$878 USD
Google Flights
Returning
Wed, Sep 30, 2026•13 Day Trip
$878 USD
Google Flights
Returning
Thu, Oct 1, 2026•14 Day Trip
$878 USD
Google Flights