American Airlines flights from Chicago to Lisbon

Recent searches for flights from Chicago to Lisbon

Sep 2026
From$732*
Updated: 14 hours ago
Round tripIEconomy
Oct 2026
From$572*
Updated: 14 hours ago
Round tripIEconomy
Nov 2026
From$572*
Updated: 14 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $690
cmp-daily-histogram-bars-legend-max-price-aria-label $1.9K
Displaying fares for September-2026
  • ORD–LIS, 09/14/26 – 09/21/26: From $1,291
    14

    Mo

    SEP

  • ORD–LIS, 09/15/26 – 09/22/26: From $1,207
    15

    Tu

  • ORD–LIS, 09/16/26 – 09/23/26: From $1,214
    16

    We

  • ORD–LIS, 09/17/26 – 09/24/26: From $1,127
    17

    Th

  • ORD–LIS, 09/18/26 – 09/25/26: From $1,127
    18

    Fr

  • ORD–LIS, 09/19/26 – 09/26/26: From $1,408
    19

    Sa

  • ORD–LIS, 09/20/26 – 09/27/26: From $1,920
    20

    Su

  • ORD–LIS, 09/21/26 – 09/28/26: From $1,119
    21

    Mo

  • ORD–LIS, 09/22/26 – 09/29/26: From $770
    22

    Tu

  • ORD–LIS, 09/23/26 – 09/30/26: From $857
    23

    We

  • ORD–LIS, 09/24/26 – 10/01/26: From $963
    24

    Th

  • ORD–LIS, 09/25/26 – 10/02/26: From $1,020
    25

    Fr

  • ORD–LIS, 09/26/26 – 10/03/26: From $1,244
    26

    Sa

  • ORD–LIS, 09/27/26 – 10/04/26: From $1,119
    27

    Su

  • ORD–LIS, 09/28/26 – 10/05/26: From $792
    28

    Mo

  • ORD–LIS, 09/29/26 – 10/06/26: From $732
    29

    Tu

  • ORD–LIS, 09/30/26 – 10/07/26: From $930
    30

    We

  • ORD–LIS, 10/01/26 – 10/08/26: From $879
    01

    Th

    OCT

  • ORD–LIS, 10/02/26 – 10/09/26: From $1,095
    02

    Fr

  • ORD–LIS, 10/03/26 – 10/10/26: From $1,080
    03

    Sa

  • ORD–LIS, 10/04/26 – 10/11/26: From $1,316
    04

    Su

  • ORD–LIS, 10/05/26 – 10/12/26: From $1,409
    05

    Mo

  • ORD–LIS, 10/06/26 – 10/13/26: From $759
    06

    Tu

  • ORD–LIS, 10/07/26 – 10/14/26: From $1,072
    07

    We

  • ORD–LIS, 10/08/26 – 10/15/26: From $1,058
    08

    Th

  • ORD–LIS, 10/09/26 – 10/16/26: From $1,712
    09

    Fr

  • ORD–LIS, 10/10/26 – 10/17/26: From $1,645
    10

    Sa

  • ORD–LIS, 10/11/26 – 10/14/26: From $1,391
    11

    Su

  • ORD–LIS, 10/12/26 – 10/19/26: From $1,096
    12

    Mo

  • ORD–LIS, 10/13/26 – 10/20/26: From $690
    13

    Tu

    • range$690-$1,920

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on Chicago to Lisbon flights

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    Chicago (ORD)to

    Lisbon (LIS)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $572Fare subject to changes
    Updated: 14 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $572Fare subject to changes
    Updated: 14 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    11/08/26 - 11/18/26

    Round trip

    Economy

    from
    $572Fare subject to changes
    Updated: 22 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    01/06/27 - 01/13/27

    Round trip

    Economy

    from
    $577Fare subject to changes
    Updated: 14 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $579Fare subject to changes
    Updated: 14 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $579Fare subject to changes
    Updated: 14 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $579Fare subject to changes
    Updated: 14 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $579Fare subject to changes
    Updated: 14 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    Finding cheap flights from Chicago to Lisbon

    Looking for lower fares on your trip from Chicago to Lisbon? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

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    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
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    American Airlines flights from Chicago to Lisbon