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

Sunday, January 10th, 2027

4 round-trip options

Returning
Sun, Jan 17, 20277 Day Trip
$793 USD
Returning
Tue, Jan 19, 20279 Day Trip
$743 USD
Returning
Wed, Jan 20, 202710 Day Trip
$743 USD
Returning
Sat, Jan 23, 202713 Day Trip
$793 USD