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

Friday, December 11th, 2026

6 round-trip options

Returning
Wed, Dec 16, 2026•5 Day Trip
$793 USD
Google Flights
Returning
Fri, Dec 18, 2026•7 Day Trip
$795 USD
Google Flights
Returning
Sat, Dec 19, 2026•8 Day Trip
$845 USD
Google Flights
Returning
Tue, Dec 22, 2026•11 Day Trip
$793 USD
Google Flights
Returning
Thu, Dec 24, 2026•13 Day Trip
$793 USD
Google Flights
Returning
Fri, Dec 25, 2026•14 Day Trip
$921 USD
Google Flights