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

Sunday, December 20th, 2026

6 round-trip options

Returning
Fri, Dec 25, 2026•5 Day Trip
$1,722 USD
Google Flights
Returning
Sun, Dec 27, 2026•7 Day Trip
$1,414 USD
Google Flights
Returning
Mon, Dec 28, 2026•8 Day Trip
$1,415 USD
Google Flights
Returning
Thu, Dec 31, 2026•11 Day Trip
$1,387 USD
Google Flights
Returning
Sat, Jan 2, 2027•13 Day Trip
$1,853 USD
Google Flights
Returning
Sun, Jan 3, 2027•14 Day Trip
$1,947 USD
Google Flights