Chicago (ORD) to Lisbon (LIS) flight deal in economy from $720
$1,021 USD
-29%$720 USD
Verified 14 days agoOctober 2026
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Fair Availability
20% of dates checked are available within 10% of the lowest price
Wednesday, October 14th, 2026
5 round-trip options
Returning
Tue, Oct 20, 2026•6 Day Trip
$776 USD
Returning
Sat, Oct 24, 2026•10 Day Trip
$810 USD
Returning
Sun, Oct 25, 2026•11 Day Trip
$897 USD
Returning
Mon, Oct 26, 2026•12 Day Trip
$810 USD
Returning
Tue, Oct 27, 2026•13 Day Trip
$750 USD