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

Friday, August 7th, 2026

7 round-trip options

Returning
Wed, Aug 12, 2026•5 Day Trip
$1,093 USD
Google Flights
Returning
Fri, Aug 14, 2026•7 Day Trip
$1,199 USD
Google Flights
Returning
Sat, Aug 15, 2026•8 Day Trip
$1,227 USD
Google Flights
Returning
Sun, Aug 16, 2026•9 Day Trip
$1,391 USD
Google Flights
Returning
Mon, Aug 17, 2026•10 Day Trip
$1,277 USD
Google Flights
Returning
Thu, Aug 20, 2026•13 Day Trip
$894 USD
Google Flights
Returning
Fri, Aug 21, 2026•14 Day Trip
$960 USD
Google Flights