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 5 hours ago
Limited Availability
16% of dates checked are available within 10% of the lowest price

Tuesday, February 16th, 2027

4 round-trip options

Returning
Mon, Feb 22, 2027•6 Day Trip
$850 USD
Google Flights
Returning
Tue, Feb 23, 2027•7 Day Trip
$850 USD
Google Flights
Returning
Wed, Feb 24, 2027•8 Day Trip
$850 USD
Google Flights
Returning
Thu, Feb 25, 2027•9 Day Trip
$850 USD
Google Flights