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

Friday, January 8th, 2027

4 round-trip options

Returning
Fri, Jan 15, 20277 Day Trip
$793 USD
Returning
Sun, Jan 17, 20279 Day Trip
$843 USD
Returning
Mon, Jan 18, 202710 Day Trip
$794 USD
Returning
Thu, Jan 21, 202713 Day Trip
$793 USD