American Airlines flights from Chicago to Lisbon

Recent searches for flights from Chicago to Lisbon

Aug 2026
From$1,206*
Updated: 10 hours ago
Round tripIEconomy
Sep 2026
From$809*
Updated: 9 hours ago
Round tripIEconomy
Oct 2026
From$722*
Updated: 10 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $816
cmp-daily-histogram-bars-legend-max-price-aria-label $2.6K
Displaying fares for August-2026
  • ORD–LIS, 08/26/26 – 09/02/26: From $1,206
    26

    We

    AUG

  • ORD–LIS, 08/27/26 – 09/03/26: From $1,284
    27

    Th

  • ORD–LIS, 08/28/26 – 09/04/26: From $1,451
    28

    Fr

  • ORD–LIS, 08/29/26 – 09/05/26: From $1,336
    29

    Sa

  • CHI–LIS, 08/30/26 – 09/06/26: From $1,639
    30

    Su

  • CHI–LIS, 08/31/26 – 09/07/26: From $1,746
    31

    Mo

  • CHI–LIS, 09/01/26 – 09/08/26: From $1,282
    01

    Tu

    SEP

  • CHI–LIS, 09/02/26 – 09/09/26: From $1,591
    02

    We

  • CHI–LIS, 09/03/26 – 09/10/26: From $1,763
    03

    Th

  • CHI–LIS, 09/04/26 – 09/11/26: From $1,551
    04

    Fr

  • CHI–LIS, 09/05/26 – 09/12/26: From $1,591
    05

    Sa

  • ORD–LIS, 09/06/26 – 09/13/26: From $2,631
    06

    Su

  • ORD–LIS, 09/07/26 – 09/14/26: From $1,293
    07

    Mo

  • ORD–LIS, 09/08/26 – 09/15/26: From $1,304
    08

    Tu

  • ORD–LIS, 09/09/26 – 09/16/26: From $1,233
    09

    We

  • ORD–LIS, 09/10/26 – 09/17/26: From $1,276
    10

    Th

  • ORD–LIS, 09/11/26 – 09/18/26: From $1,340
    11

    Fr

  • CHI–LIS, 09/12/26 – 09/19/26: From $1,427
    12

    Sa

  • CHI–LIS, 09/13/26 – 09/20/26: From $1,528
    13

    Su

  • ORD–LIS, 09/14/26 – 09/21/26: From $1,300
    14

    Mo

  • ORD–LIS, 09/15/26 – 09/22/26: From $1,206
    15

    Tu

  • ORD–LIS, 09/16/26 – 09/23/26: From $1,217
    16

    We

  • CHI–LIS, 09/17/26 – 09/24/26: From $1,358
    17

    Th

  • ORD–LIS, 09/18/26 – 09/25/26: From $1,497
    18

    Fr

  • CHI–LIS, 09/19/26 – 09/26/26: From $1,407
    19

    Sa

  • ORD–LIS, 09/20/26 – 09/29/26: From $1,069
    20

    Su

  • ORD–LIS, 09/21/26 – 09/29/26: From $1,069
    21

    Mo

  • CHI–LIS, 09/22/26 – 09/29/26: From $816
    22

    Tu

  • CHI–LIS, 09/23/26 – 09/30/26: From $1,017
    23

    We

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

    Th

  • ORD–LIS, 09/25/26 – 10/02/26: From $1,039
    25

    Fr

    • range$816-$2,631

    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

    $
    keyboard_arrow_down

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $722Fare subject to changes
    Updated: 10 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $722Fare subject to changes
    Updated: 13 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    11/15/26 - 11/26/26

    Round trip

    Economy

    from
    $722Fare subject to changes
    Updated: 17 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    11/15/26 - 11/25/26

    Round trip

    Economy

    from
    $722Fare subject to changes
    Updated: 10 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $730Fare subject to changes
    Updated: 13 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $730Fare subject to changes
    Updated: 13 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $730Fare subject to changes
    Updated: 13 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $730Fare subject to changes
    Updated: 13 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