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

Saturday, August 8th, 2026

7 round-trip options

Returning
Thu, Aug 13, 2026•5 Day Trip
$1,508 USD
Google Flights
Returning
Sat, Aug 15, 2026•7 Day Trip
$1,231 USD
Google Flights
Returning
Sun, Aug 16, 2026•8 Day Trip
$1,396 USD
Google Flights
Returning
Mon, Aug 17, 2026•9 Day Trip
$1,282 USD
Google Flights
Returning
Tue, Aug 18, 2026•10 Day Trip
$1,092 USD
Google Flights
Returning
Fri, Aug 21, 2026•13 Day Trip
$928 USD
Google Flights
Returning
Sat, Aug 22, 2026•14 Day Trip
$966 USD
Google Flights