American Airlines flights from Chicago to Lisbon

Recent searches for flights from Chicago to Lisbon

Aug 2026
From$1,066*
Updated: 3 hours ago
Round tripIEconomy
Sep 2026
From$807*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$721*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.1K
cmp-daily-histogram-bars-legend-max-price-aria-label $1.5K
Displaying fares for August-2026
  • CHI–LIS, 08/06/26 – 08/13/26: From $1,290
    06

    Th

    AUG

  • ORD–LIS, 08/07/26 – 08/14/26: From $1,290
    07

    Fr

  • ORD–LIS, 08/08/26 – 08/15/26: From $1,524
    08

    Sa

  • CHI–LIS, 08/09/26 – 08/16/26: From $1,292
    09

    Su

  • ORD–LIS, 08/10/26 – 08/17/26: From $1,300
    10

    Mo

  • ORD–LIS, 08/11/26 – 08/18/26: From $1,230
    11

    Tu

  • CHI–LIS, 08/12/26 – 08/19/26: From $1,084
    12

    We

  • ORD–LIS, 08/13/26 – 08/20/26: From $1,144
    13

    Th

  • CHI–LIS, 08/14/26 – 08/21/26: From $1,144
    14

    Fr

  • ORD–LIS, 08/15/26 – 08/22/26: From $1,204
    15

    Sa

  • ORD–LIS, 08/16/26 – 08/23/26: From $1,182
    16

    Su

  • ORD–LIS, 08/17/26 – 08/24/26: From $1,126
    17

    Mo

  • ORD–LIS, 08/18/26 – 08/25/26: From $1,066
    18

    Tu

  • CHI–LIS, 08/19/26 – 08/26/26: From $1,083
    19

    We

  • ORD–LIS, 08/20/26 – 08/27/26: From $1,126
    20

    Th

  • CHI–LIS, 08/21/26 – 08/28/26: From $1,126
    21

    Fr

  • CHI–LIS, 08/22/26 – 08/29/26: From $1,335
    22

    Sa

  • CHI–LIS, 08/23/26 – 08/30/26: From $1,265
    23

    Su

  • CHI–LIS, 08/24/26 – 08/31/26: From $1,273
    24

    Mo

  • ORD–LIS, 08/25/26 – 09/01/26: From $1,213
    25

    Tu

  • ORD–LIS, 08/26/26 – 09/02/26: From $1,213
    26

    We

  • ORD–LIS, 08/27/26 – 09/03/26: From $1,283
    27

    Th

  • ORD–LIS, 08/28/26 – 09/04/26: From $1,283
    28

    Fr

  • ORD–LIS, 08/29/26 – 09/05/26: From $1,343
    29

    Sa

  • CHI–LIS, 08/30/26 – 09/06/26: From $1,501
    30

    Su

  • CHI–LIS, 08/31/26 – 09/07/26: From $1,519
    31

    Mo

  • CHI–LIS, 09/01/26 – 09/08/26: From $1,281
    01

    Tu

    SEP

  • CHI–LIS, 09/02/26 – 09/09/26: From $1,307
    02

    We

  • CHI–LIS, 09/03/26 – 09/10/26: From $1,473
    03

    Th

  • ORD–LIS, 09/04/26 – 09/10/26: From $1,151
    04

    Fr

  • ORD–LIS, 09/05/26 – 09/12/26: From $1,169
    05

    Sa

    • range$1,066-$1,524

    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
    $721Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $721Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $729Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $729Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $729Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $729Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $729Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    10/21/26 - 11/02/26

    Round trip

    Economy

    from
    $732Fare 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

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • 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.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Chicago to Lisbon