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 31st, 2026

6 round-trip options

Returning
Tue, Jan 5, 2027•5 Day Trip
$1,004 USD
Google Flights
Returning
Thu, Jan 7, 2027•7 Day Trip
$843 USD
Google Flights
Returning
Fri, Jan 8, 2027•8 Day Trip
$809 USD
Google Flights
Returning
Mon, Jan 11, 2027•11 Day Trip
$810 USD
Google Flights
Returning
Wed, Jan 13, 2027•13 Day Trip
$791 USD
Google Flights
Returning
Thu, Jan 14, 2027•14 Day Trip
$791 USD
Google Flights