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

Wednesday, December 16th, 2026

6 round-trip options

Returning
Mon, Dec 21, 2026•5 Day Trip
$1,006 USD
Google Flights
Returning
Wed, Dec 23, 2026•7 Day Trip
$1,000 USD
Google Flights
Returning
Thu, Dec 24, 2026•8 Day Trip
$999 USD
Google Flights
Returning
Sun, Dec 27, 2026•11 Day Trip
$1,082 USD
Google Flights
Returning
Tue, Dec 29, 2026•13 Day Trip
$1,044 USD
Google Flights
Returning
Wed, Dec 30, 2026•14 Day Trip
$1,194 USD
Google Flights