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, December 17th, 2026

6 round-trip options

Returning
Tue, Dec 22, 2026•5 Day Trip
$1,198 USD
Google Flights
Returning
Thu, Dec 24, 2026•7 Day Trip
$1,198 USD
Google Flights
Returning
Fri, Dec 25, 2026•8 Day Trip
$1,326 USD
Google Flights
Returning
Mon, Dec 28, 2026•11 Day Trip
$1,277 USD
Google Flights
Returning
Wed, Dec 30, 2026•13 Day Trip
$1,369 USD
Google Flights
Returning
Thu, Dec 31, 2026•14 Day Trip
$1,250 USD
Google Flights