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

Monday, January 11th, 2027

4 round-trip options

Returning
Mon, Jan 18, 20277 Day Trip
$746 USD
Returning
Wed, Jan 20, 20279 Day Trip
$743 USD
Returning
Thu, Jan 21, 202710 Day Trip
$743 USD
Returning
Sun, Jan 24, 202713 Day Trip
$793 USD