Chicago (ORD) to Lisbon (LIS) flight deal in economy from $720
$1,021 USD
-29%$720 USD
Verified 14 days agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
20% of dates checked are available within 10% of the lowest price
Wednesday, October 28th, 2026
5 round-trip options
Returning
Tue, Nov 3, 2026•6 Day Trip
$720 USD
Returning
Sat, Nov 7, 2026•10 Day Trip
$770 USD
Returning
Sun, Nov 8, 2026•11 Day Trip
$770 USD
Returning
Mon, Nov 9, 2026•12 Day Trip
$788 USD
Returning
Tue, Nov 10, 2026•13 Day Trip
$746 USD