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

Wednesday, January 20th, 2027

4 round-trip options

Returning
Wed, Jan 27, 20277 Day Trip
$743 USD
Returning
Fri, Jan 29, 20279 Day Trip
$743 USD
Returning
Sat, Jan 30, 202710 Day Trip
$793 USD
Returning
Tue, Feb 2, 202713 Day Trip
$743 USD