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 10th, 2026

6 round-trip options

Returning
Tue, Dec 15, 2026•5 Day Trip
$791 USD
Google Flights
Returning
Thu, Dec 17, 2026•7 Day Trip
$791 USD
Google Flights
Returning
Fri, Dec 18, 2026•8 Day Trip
$793 USD
Google Flights
Returning
Mon, Dec 21, 2026•11 Day Trip
$793 USD
Google Flights
Returning
Wed, Dec 23, 2026•13 Day Trip
$791 USD
Google Flights
Returning
Thu, Dec 24, 2026•14 Day Trip
$791 USD
Google Flights