Lisbon (LIS) to Chicago (ORD) cheap flight deal from $3543 USD in first class – flightdeals.net

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American Airlines

AAAmerican Airlines

British Airways

BABritish Airways

Round Trip•First Class

Portela Airport

Lisbon, Portugal

O'Hare International Airport

Chicago, United States

$9,028 USD

-61%$3,543 USD

Verified 1 day ago

February 2026

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26$3,543 27$3,543 28$3,543 29$3,543 30$3,543 31$3,543 1$3,543 2$3,578 3$3,578 4$3,578 5$9,212 6$9,212 7$3,578 8$3,578 9$3,543 10$3,543 11$3,543 12$3,543 13$3,543 14$3,543 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1

Limited Availability

13% of dates checked are available within 10% of the lowest price

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