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

Sunday, November 1st, 2026

6 round-trip options

Returning
Fri, Nov 6, 2026•5 Day Trip
$728 USD
Google Flights
Returning
Sun, Nov 8, 2026•7 Day Trip
$797 USD
Google Flights
Returning
Mon, Nov 9, 2026•8 Day Trip
$814 USD
Google Flights
Returning
Thu, Nov 12, 2026•11 Day Trip
$728 USD
Google Flights
Returning
Sat, Nov 14, 2026•13 Day Trip
$797 USD
Google Flights
Returning
Sun, Nov 15, 2026•14 Day Trip
$797 USD
Google Flights