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

Tuesday, October 6th, 2026

5 round-trip options

Returning
Sun, Oct 11, 2026•5 Day Trip
$969 USD
Google Flights
Returning
Wed, Oct 14, 2026•8 Day Trip
$774 USD
Google Flights
Returning
Fri, Oct 16, 2026•10 Day Trip
$756 USD
Google Flights
Returning
Sat, Oct 17, 2026•11 Day Trip
$923 USD
Google Flights
Returning
Sun, Oct 18, 2026•12 Day Trip
$963 USD
Google Flights