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

Sunday, November 29th, 2026

6 round-trip options

Returning
Fri, Dec 4, 2026•5 Day Trip
$745 USD
Google Flights
Returning
Sun, Dec 6, 2026•7 Day Trip
$795 USD
Google Flights
Returning
Mon, Dec 7, 2026•8 Day Trip
$750 USD
Google Flights
Returning
Thu, Dec 10, 2026•11 Day Trip
$745 USD
Google Flights
Returning
Sat, Dec 12, 2026•13 Day Trip
$797 USD
Google Flights
Returning
Sun, Dec 13, 2026•14 Day Trip
$795 USD
Google Flights