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

Tuesday, October 27th, 2026

5 round-trip options

Returning
Sun, Nov 1, 20265 Day Trip
$807 USD
Returning
Wed, Nov 4, 20268 Day Trip
$756 USD
Returning
Fri, Nov 6, 202610 Day Trip
$755 USD
Returning
Sat, Nov 7, 202611 Day Trip
$807 USD
Returning
Sun, Nov 8, 202612 Day Trip
$807 USD