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

Saturday, October 24th, 2026

5 round-trip options

Returning
Thu, Oct 29, 20265 Day Trip
$770 USD
Returning
Sun, Nov 1, 20268 Day Trip
$804 USD
Returning
Tue, Nov 3, 202610 Day Trip
$755 USD
Returning
Wed, Nov 4, 202611 Day Trip
$755 USD
Returning
Thu, Nov 5, 202612 Day Trip
$755 USD