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 22nd, 2026

5 round-trip options

Returning
Tue, Oct 27, 2026•5 Day Trip
$809 USD
Google Flights
Returning
Fri, Oct 30, 2026•8 Day Trip
$808 USD
Google Flights
Returning
Sun, Nov 1, 2026•10 Day Trip
$841 USD
Google Flights
Returning
Mon, Nov 2, 2026•11 Day Trip
$863 USD
Google Flights
Returning
Tue, Nov 3, 2026•12 Day Trip
$792 USD
Google Flights