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

Friday, January 8th, 2027

6 round-trip options

Returning
Thu, Jan 14, 20276 Day Trip
$1,143 USD
Returning
Sun, Jan 17, 20279 Day Trip
$1,086 USD
Returning
Mon, Jan 18, 202710 Day Trip
$1,086 USD
Returning
Tue, Jan 19, 202711 Day Trip
$1,126 USD
Returning
Wed, Jan 20, 202712 Day Trip
$1,086 USD
Returning
Fri, Jan 22, 202714 Day Trip
$1,086 USD