Porto (OPO) to Chicago (ORD) flight deal in economy from $628

Saturday, August 8th, 2026

5 round-trip options

Returning
Sun, Aug 16, 20268 Day Trip
$1,279 USD
Returning
Mon, Aug 17, 20269 Day Trip
$1,279 USD
Returning
Thu, Aug 20, 202612 Day Trip
$1,279 USD
Returning
Fri, Aug 21, 202613 Day Trip
$1,282 USD
Returning
Sat, Aug 22, 202614 Day Trip
$1,279 USD