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

Monday, October 5th, 2026

5 round-trip options

Returning
Sat, Oct 10, 2026•5 Day Trip
$1,106 USD
Google Flights
Returning
Tue, Oct 13, 2026•8 Day Trip
$780 USD
Google Flights
Returning
Thu, Oct 15, 2026•10 Day Trip
$776 USD
Google Flights
Returning
Fri, Oct 16, 2026•11 Day Trip
$774 USD
Google Flights
Returning
Sat, Oct 17, 2026•12 Day Trip
$970 USD
Google Flights