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 14 days ago
Good Availability
47% of dates checked are available within 10% of the lowest price

Thursday, October 15th, 2026

5 round-trip options

Returning
Tue, Oct 20, 2026•5 Day Trip
$811 USD
Google Flights
Returning
Fri, Oct 23, 2026•8 Day Trip
$811 USD
Google Flights
Returning
Sun, Oct 25, 2026•10 Day Trip
$902 USD
Google Flights
Returning
Mon, Oct 26, 2026•11 Day Trip
$891 USD
Google Flights
Returning
Tue, Oct 27, 2026•12 Day Trip
$810 USD
Google Flights