Chicago (ORD) to Lisbon (LIS) flight deal in economy from $720

Sunday, December 27th, 2026

6 round-trip options

Returning
Fri, Jan 1, 20275 Day Trip
$1,631 USD
Returning
Sat, Jan 2, 20276 Day Trip
$2,001 USD
Returning
Mon, Jan 4, 20278 Day Trip
$1,274 USD
Returning
Thu, Jan 7, 202711 Day Trip
$924 USD
Returning
Fri, Jan 8, 202712 Day Trip
$922 USD
Returning
Sun, Jan 10, 202714 Day Trip
$974 USD