San Francisco (SFO) to Porto (OPO) flight deal in economy from $728

Saturday, January 23rd, 2027

4 round-trip options

Returning
Sat, Jan 30, 20277 Day Trip
$843 USD
Returning
Mon, Feb 1, 20279 Day Trip
$794 USD
Returning
Tue, Feb 2, 202710 Day Trip
$793 USD
Returning
Fri, Feb 5, 202713 Day Trip
$794 USD