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, October 1st, 2026

5 round-trip options

Returning
Tue, Oct 6, 2026•5 Day Trip
$910 USD
Google Flights
Returning
Fri, Oct 9, 2026•8 Day Trip
$963 USD
Google Flights
Returning
Sun, Oct 11, 2026•10 Day Trip
$1,044 USD
Google Flights
Returning
Mon, Oct 12, 2026•11 Day Trip
$1,029 USD
Google Flights
Returning
Tue, Oct 13, 2026•12 Day Trip
$898 USD
Google Flights