Porto (OPO) to Chicago (ORD) flight deal in economy from $615

Friday, November 6th, 2026

7 round-trip options

Returning
Wed, Nov 11, 20265 Day Trip
$773 USD
Returning
Thu, Nov 12, 20266 Day Trip
$773 USD
Returning
Fri, Nov 13, 20267 Day Trip
$773 USD
Returning
Sat, Nov 14, 20268 Day Trip
$773 USD
Returning
Mon, Nov 16, 202610 Day Trip
$773 USD
Returning
Tue, Nov 17, 202611 Day Trip
$767 USD
Returning
Thu, Nov 19, 202613 Day Trip
$772 USD