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

Saturday, December 19th, 2026

6 round-trip options

Returning
Thu, Dec 24, 2026•5 Day Trip
$1,387 USD
Google Flights
Returning
Sat, Dec 26, 2026•7 Day Trip
$1,445 USD
Google Flights
Returning
Sun, Dec 27, 2026•8 Day Trip
$1,423 USD
Google Flights
Returning
Wed, Dec 30, 2026•11 Day Trip
$1,535 USD
Google Flights
Returning
Fri, Jan 1, 2027•13 Day Trip
$1,643 USD
Google Flights
Returning
Sat, Jan 2, 2027•14 Day Trip
$1,861 USD
Google Flights