San Francisco (SFO) to Porto (OPO) flight deal in economy from $786

Friday, December 25th, 2026

10 round-trip options

Returning
Wed, Dec 30, 20265 Day Trip
$1,032 USD
Returning
Thu, Dec 31, 20266 Day Trip
$904 USD
Returning
Fri, Jan 1, 20277 Day Trip
$1,178 USD
Returning
Sat, Jan 2, 20278 Day Trip
$1,182 USD
Returning
Sun, Jan 3, 20279 Day Trip
$1,279 USD
Returning
Mon, Jan 4, 202710 Day Trip
$1,158 USD
Returning
Tue, Jan 5, 202711 Day Trip
$1,017 USD
Returning
Wed, Jan 6, 202712 Day Trip
$946 USD
Returning
Thu, Jan 7, 202713 Day Trip
$938 USD
Returning
Fri, Jan 8, 202714 Day Trip
$852 USD