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

Friday, October 2nd, 2026

5 round-trip options

Returning
Wed, Oct 7, 2026•5 Day Trip
$894 USD
Google Flights
Returning
Sat, Oct 10, 2026•8 Day Trip
$1,038 USD
Google Flights
Returning
Mon, Oct 12, 2026•10 Day Trip
$1,029 USD
Google Flights
Returning
Tue, Oct 13, 2026•11 Day Trip
$904 USD
Google Flights
Returning
Wed, Oct 14, 2026•12 Day Trip
$863 USD
Google Flights