Lisbon (LIS) to Chicago (ORD) flight deal in economy from $603

Monday, October 12th, 2026

4 round-trip options

Returning
Sat, Oct 17, 20265 Day Trip
$1,016 USD
Returning
Sun, Oct 18, 20266 Day Trip
$821 USD
Returning
Sat, Oct 24, 202612 Day Trip
$811 USD
Returning
Sun, Oct 25, 202613 Day Trip
$821 USD