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 24th, 2026

6 round-trip options

Returning
Tue, Dec 29, 2026•5 Day Trip
$811 USD
Google Flights
Returning
Thu, Dec 31, 2026•7 Day Trip
$843 USD
Google Flights
Returning
Fri, Jan 1, 2027•8 Day Trip
$1,167 USD
Google Flights
Returning
Mon, Jan 4, 2027•11 Day Trip
$1,229 USD
Google Flights
Returning
Wed, Jan 6, 2027•13 Day Trip
$948 USD
Google Flights
Returning
Thu, Jan 7, 2027•14 Day Trip
$845 USD
Google Flights