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

Saturday, October 31st, 2026

5 round-trip options

Returning
Thu, Nov 5, 2026•5 Day Trip
$796 USD
Google Flights
Returning
Sun, Nov 8, 2026•8 Day Trip
$845 USD
Google Flights
Returning
Tue, Nov 10, 2026•10 Day Trip
$796 USD
Google Flights
Returning
Wed, Nov 11, 2026•11 Day Trip
$793 USD
Google Flights
Returning
Thu, Nov 12, 2026•12 Day Trip
$793 USD
Google Flights