Chicago (ORD) to Lisbon (LIS) flight deal in economy from $764

Thursday, September 24th, 2026

9 round-trip options

Returning
Tue, Sep 29, 20265 Day Trip
$987 USD
Returning
Wed, Sep 30, 20266 Day Trip
$987 USD
Returning
Thu, Oct 1, 20267 Day Trip
$987 USD
Returning
Fri, Oct 2, 20268 Day Trip
$996 USD
Returning
Sat, Oct 3, 20269 Day Trip
$1,182 USD
Returning
Sun, Oct 4, 202610 Day Trip
$1,053 USD
Returning
Mon, Oct 5, 202611 Day Trip
$1,027 USD
Returning
Wed, Oct 7, 202613 Day Trip
$998 USD
Returning
Thu, Oct 8, 202614 Day Trip
$1,026 USD