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 14 days ago
Good Availability
47% of dates checked are available within 10% of the lowest price

Wednesday, December 30th, 2026

6 round-trip options

Returning
Mon, Jan 4, 2027•5 Day Trip
$1,176 USD
Google Flights
Returning
Wed, Jan 6, 2027•7 Day Trip
$895 USD
Google Flights
Returning
Thu, Jan 7, 2027•8 Day Trip
$793 USD
Google Flights
Returning
Sun, Jan 10, 2027•11 Day Trip
$850 USD
Google Flights
Returning
Tue, Jan 12, 2027•13 Day Trip
$743 USD
Google Flights
Returning
Wed, Jan 13, 2027•14 Day Trip
$741 USD
Google Flights