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

Tuesday, December 29th, 2026

6 round-trip options

Returning
Sun, Jan 3, 2027•5 Day Trip
$1,356 USD
Google Flights
Returning
Tue, Jan 5, 2027•7 Day Trip
$969 USD
Google Flights
Returning
Wed, Jan 6, 2027•8 Day Trip
$901 USD
Google Flights
Returning
Sat, Jan 9, 2027•11 Day Trip
$824 USD
Google Flights
Returning
Mon, Jan 11, 2027•13 Day Trip
$766 USD
Google Flights
Returning
Tue, Jan 12, 2027•14 Day Trip
$749 USD
Google Flights