Lisbon (LIS) to Chicago (ORD) flight deal in economy from $603
$1,006 USD
-40%$603 USD
Verified about 16 hours agoSeptember 2026
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Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Monday, September 7th, 2026
7 round-trip options
Returning
Sat, Sep 12, 2026•5 Day Trip
$1,053 USD
Returning
Sun, Sep 13, 2026•6 Day Trip
$1,029 USD
Returning
Wed, Sep 16, 2026•9 Day Trip
$989 USD
Returning
Thu, Sep 17, 2026•10 Day Trip
$1,086 USD
Returning
Fri, Sep 18, 2026•11 Day Trip
$1,017 USD
Returning
Sat, Sep 19, 2026•12 Day Trip
$967 USD
Returning
Mon, Sep 21, 2026•14 Day Trip
$996 USD