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 25th, 2026

6 round-trip options

Returning
Wed, Dec 30, 2026•5 Day Trip
$1,014 USD
Google Flights
Returning
Fri, Jan 1, 2027•7 Day Trip
$1,167 USD
Google Flights
Returning
Sat, Jan 2, 2027•8 Day Trip
$1,310 USD
Google Flights
Returning
Tue, Jan 5, 2027•11 Day Trip
$1,004 USD
Google Flights
Returning
Thu, Jan 7, 2027•13 Day Trip
$845 USD
Google Flights
Returning
Fri, Jan 8, 2027•14 Day Trip
$811 USD
Google Flights