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

Tuesday, November 24th, 2026

7 round-trip options

Returning
Sun, Nov 29, 20265 Day Trip
$814 USD
Returning
Mon, Nov 30, 20266 Day Trip
$779 USD
Returning
Tue, Dec 1, 20267 Day Trip
$630 USD
Returning
Wed, Dec 2, 20268 Day Trip
$630 USD
Returning
Fri, Dec 4, 202610 Day Trip
$636 USD
Returning
Sat, Dec 5, 202611 Day Trip
$773 USD
Returning
Mon, Dec 7, 202613 Day Trip
$773 USD