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

Monday, October 26th, 2026

5 round-trip options

Returning
Sat, Oct 31, 2026•5 Day Trip
$822 USD
Google Flights
Returning
Tue, Nov 3, 2026•8 Day Trip
$740 USD
Google Flights
Returning
Thu, Nov 5, 2026•10 Day Trip
$746 USD
Google Flights
Returning
Fri, Nov 6, 2026•11 Day Trip
$743 USD
Google Flights
Returning
Sat, Nov 7, 2026•12 Day Trip
$793 USD
Google Flights