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

Saturday, November 21st, 2026

6 round-trip options

Returning
Thu, Nov 26, 2026•5 Day Trip
$818 USD
Google Flights
Returning
Sat, Nov 28, 2026•7 Day Trip
$987 USD
Google Flights
Returning
Sun, Nov 29, 2026•8 Day Trip
$900 USD
Google Flights
Returning
Wed, Dec 2, 2026•11 Day Trip
$818 USD
Google Flights
Returning
Fri, Dec 4, 2026•13 Day Trip
$820 USD
Google Flights
Returning
Sat, Dec 5, 2026•14 Day Trip
$870 USD
Google Flights