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

Tuesday, July 28th, 2026

7 round-trip options

Returning
Sun, Aug 2, 2026•5 Day Trip
$1,313 USD
Google Flights
Returning
Tue, Aug 4, 2026•7 Day Trip
$1,131 USD
Google Flights
Returning
Wed, Aug 5, 2026•8 Day Trip
$1,131 USD
Google Flights
Returning
Thu, Aug 6, 2026•9 Day Trip
$1,064 USD
Google Flights
Returning
Fri, Aug 7, 2026•10 Day Trip
$1,131 USD
Google Flights
Returning
Mon, Aug 10, 2026•13 Day Trip
$1,216 USD
Google Flights
Returning
Tue, Aug 11, 2026•14 Day Trip
$1,131 USD
Google Flights