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 3rd, 2026

5 round-trip options

Returning
Thu, Oct 8, 2026•5 Day Trip
$834 USD
Google Flights
Returning
Sun, Oct 11, 2026•8 Day Trip
$1,014 USD
Google Flights
Returning
Tue, Oct 13, 2026•10 Day Trip
$846 USD
Google Flights
Returning
Wed, Oct 14, 2026•11 Day Trip
$835 USD
Google Flights
Returning
Thu, Oct 15, 2026•12 Day Trip
$836 USD
Google Flights