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 23rd, 2026

5 round-trip options

Returning
Wed, Oct 28, 2026•5 Day Trip
$809 USD
Google Flights
Returning
Sat, Oct 31, 2026•8 Day Trip
$868 USD
Google Flights
Returning
Mon, Nov 2, 2026•10 Day Trip
$863 USD
Google Flights
Returning
Tue, Nov 3, 2026•11 Day Trip
$792 USD
Google Flights
Returning
Wed, Nov 4, 2026•12 Day Trip
$792 USD
Google Flights