Porto (OPO) to San Francisco (SFO) flight deal in economy from $669

Air CanadaACAir CanadaLufthansaLHLufthansaSwiss International Air LinesLXSwiss International Air LinesAustrian AirlinesOSAustrian AirlinesUnited AirlinesUAUnited Airlines
Round Trip•Economy
PortugalOPO

Francisco Sá Carneiro Airport

Porto, Portugal
United StatesSFO

San Francisco International Airport

San Francisco, United States
$871 USD
-23%$669 USD
Verified about 18 hours ago
Limited Availability
16% of dates checked are available within 10% of the lowest price

Saturday, January 9th, 2027

4 round-trip options

Returning
Fri, Jan 15, 2027•6 Day Trip
$869 USD
Google Flights
Returning
Sat, Jan 16, 2027•7 Day Trip
$867 USD
Google Flights
Returning
Sun, Jan 17, 2027•8 Day Trip
$867 USD
Google Flights
Returning
Mon, Jan 18, 2027•9 Day Trip
$816 USD
Google Flights