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

March 2026

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23 24 25 26 27 28 1 2 3 4 5 6$3,543 7 8 9 10$3,543 11$3,543 12 13 14 15 16 17 18 19$3,543 20 21 22 23 24$4,409 25$9,259 26$9,212 27 28$14,973 29 30 31 1 2 3 4 5

Limited Availability

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

Tuesday, March 24th, 2026

1 round-trip options

Returning

Thu, Apr 2, 2026•9 Day Trip

$4,409 USD