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 23rd, 2026

6 round-trip options

Returning
Mon, Dec 28, 2026•5 Day Trip
$1,088 USD
Google Flights
Returning
Wed, Dec 30, 2026•7 Day Trip
$1,230 USD
Google Flights
Returning
Thu, Dec 31, 2026•8 Day Trip
$1,060 USD
Google Flights
Returning
Sun, Jan 3, 2027•11 Day Trip
$1,584 USD
Google Flights
Returning
Tue, Jan 5, 2027•13 Day Trip
$1,234 USD
Google Flights
Returning
Wed, Jan 6, 2027•14 Day Trip
$1,166 USD
Google Flights