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 15 days ago
Good Availability
47% of dates checked are available within 10% of the lowest price

Friday, October 16th, 2026

5 round-trip options

Returning
Wed, Oct 21, 2026•5 Day Trip
$807 USD
Google Flights
Returning
Sat, Oct 24, 2026•8 Day Trip
$868 USD
Google Flights
Returning
Mon, Oct 26, 2026•10 Day Trip
$890 USD
Google Flights
Returning
Tue, Oct 27, 2026•11 Day Trip
$809 USD
Google Flights
Returning
Wed, Oct 28, 2026•12 Day Trip
$809 USD
Google Flights