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

Thursday, July 2nd, 2026

10 round-trip options

Returning
Tue, Jul 7, 20265 Day Trip
$1,047 USD
Returning
Wed, Jul 8, 20266 Day Trip
$1,158 USD
Returning
Thu, Jul 9, 20267 Day Trip
$1,047 USD
Returning
Fri, Jul 10, 20268 Day Trip
$1,053 USD
Returning
Sat, Jul 11, 20269 Day Trip
$1,167 USD
Returning
Sun, Jul 12, 202610 Day Trip
$1,323 USD
Returning
Mon, Jul 13, 202611 Day Trip
$1,167 USD
Returning
Tue, Jul 14, 202612 Day Trip
$1,101 USD
Returning
Wed, Jul 15, 202613 Day Trip
$1,058 USD
Returning
Thu, Jul 16, 202614 Day Trip
$1,047 USD