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

Wednesday, October 7th, 2026

5 round-trip options

Returning
Mon, Oct 12, 2026•5 Day Trip
$970 USD
Google Flights
Returning
Thu, Oct 15, 2026•8 Day Trip
$774 USD
Google Flights
Returning
Sat, Oct 17, 2026•10 Day Trip
$923 USD
Google Flights
Returning
Sun, Oct 18, 2026•11 Day Trip
$963 USD
Google Flights
Returning
Mon, Oct 19, 2026•12 Day Trip
$935 USD
Google Flights