American Airlines flights from Chicago to Liberia (Costa Rica)

Recent searches for flights from Chicago to Liberia (Costa Rica)

Aug 2026
From$999*
Updated: 7 hours ago
Round tripIEconomy
Sep 2026
From$616*
Updated: 7 hours ago
Round tripIEconomy
Oct 2026
From$616*
Updated: 7 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $616
cmp-daily-histogram-bars-legend-max-price-aria-label $1.5K
Displaying fares for August-2026
  • ORD–LIR: cmp-view-offers-disclaimer. Find Offers
    22

    Sa

    AUG

  • ORD–LIR, 08/23/26 – 08/30/26: From $1,277
    23

    Su

  • ORD–LIR, 08/24/26 – 08/31/26: From $1,069
    24

    Mo

  • ORD–LIR, 08/25/26 – 09/01/26: From $1,046
    25

    Tu

  • ORD–LIR, 08/26/26 – 09/02/26: From $1,005
    26

    We

  • ORD–LIR, 08/27/26 – 09/03/26: From $1,069
    27

    Th

  • ORD–LIR, 08/28/26 – 09/04/26: From $1,069
    28

    Fr

  • ORD–LIR, 08/29/26 – 09/05/26: From $999
    29

    Sa

  • ORD–LIR, 08/30/26 – 09/06/26: From $1,074
    30

    Su

  • ORD–LIR, 08/31/26 – 09/07/26: From $1,513
    31

    Mo

  • ORD–LIR, 09/01/26 – 09/08/26: From $1,349
    01

    Tu

    SEP

  • ORD–LIR, 09/02/26 – 09/09/26: From $1,220
    02

    We

  • ORD–LIR, 09/03/26 – 09/10/26: From $1,120
    03

    Th

  • ORD–LIR, 09/04/26 – 09/11/26: From $1,094
    04

    Fr

  • ORD–LIR, 09/05/26 – 09/12/26: From $1,024
    05

    Sa

  • ORD–LIR, 09/06/26 – 09/13/26: From $1,074
    06

    Su

  • ORD–LIR, 09/07/26 – 09/14/26: From $1,069
    07

    Mo

  • ORD–LIR, 09/08/26 – 09/15/26: From $1,000
    08

    Tu

  • ORD–LIR, 09/09/26 – 09/16/26: From $1,005
    09

    We

  • ORD–LIR, 09/10/26 – 09/17/26: From $1,069
    10

    Th

  • ORD–LIR, 09/11/26 – 09/18/26: From $1,069
    11

    Fr

  • ORD–LIR, 09/12/26 – 09/19/26: From $788
    12

    Sa

  • ORD–LIR, 09/13/26 – 09/20/26: From $853
    13

    Su

  • ORD–LIR, 09/14/26 – 09/21/26: From $848
    14

    Mo

  • ORD–LIR, 09/15/26 – 09/22/26: From $818
    15

    Tu

  • ORD–LIR, 09/16/26 – 09/23/26: From $892
    16

    We

  • ORD–LIR, 09/17/26 – 09/24/26: From $887
    17

    Th

  • ORD–LIR, 09/18/26 – 09/25/26: From $887
    18

    Fr

  • ORD–LIR, 09/19/26 – 09/26/26: From $616
    19

    Sa

  • ORD–LIR, 09/20/26 – 09/27/26: From $671
    20

    Su

  • ORD–LIR, 09/21/26 – 09/28/26: From $666
    21

    Mo

    • range$616-$1,513

    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 Liberia (Costa Rica) flights

    $
    keyboard_arrow_down

    Chicago (ORD)to

    Liberia (Costa Rica) (LIR)
    11/01/26 - 11/06/26

    Round trip

    Economy

    from
    $586Fare subject to changes
    Updated: 23 hours ago

    Chicago (ORD)to

    Liberia (Costa Rica) (LIR)
    01/30/27 - 02/06/27

    Round trip

    Economy

    from
    $606Fare subject to changes
    Updated: 5 hours ago

    Chicago (ORD)to

    Liberia (Costa Rica) (LIR)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $616Fare subject to changes
    Updated: 7 hours ago

    Chicago (ORD)to

    Liberia (Costa Rica) (LIR)
    09/26/26 - 10/03/26

    Round trip

    Economy

    from
    $616Fare subject to changes
    Updated: 7 hours ago

    Chicago (ORD)to

    Liberia (Costa Rica) (LIR)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $616Fare subject to changes
    Updated: 7 hours ago

    Chicago (ORD)to

    Liberia (Costa Rica) (LIR)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $616Fare subject to changes
    Updated: 7 hours ago

    Chicago (ORD)to

    Liberia (Costa Rica) (LIR)
    11/14/26 - 11/21/26

    Round trip

    Economy

    from
    $616Fare subject to changes
    Updated: 7 hours ago

    Chicago (ORD)to

    Liberia (Costa Rica) (LIR)
    11/28/26 - 12/05/26

    Round trip

    Economy

    from
    $616Fare subject to changes
    Updated: 7 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 Liberia (Costa Rica)

    Looking for lower fares on your trip from Chicago to Liberia (Costa Rica)? 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 Liberia (Costa Rica)