American Airlines flights from Detroit to Liberia (Costa Rica)

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

Jul 2026
From$1,691*
Updated: 9 hours ago
Round tripIEconomy
Aug 2026
From$1,142*
Updated: 9 hours ago
Round tripIEconomy
Sep 2026
From$1,020*
Updated: 9 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.1K
cmp-daily-histogram-bars-legend-max-price-aria-label $2.1K
Displaying fares for July-2026
  • DTW–LIR, 07/30/26 – 08/06/26: From $1,921
    30

    Th

    JUL

  • DTW–LIR, 07/31/26 – 08/07/26: From $1,691
    31

    Fr

  • DTW–LIR, 08/01/26 – 08/08/26: From $2,121
    01

    Sa

    AUG

  • DTW–LIR, 08/02/26 – 08/09/26: From $1,926
    02

    Su

  • DTW–LIR, 08/03/26 – 08/10/26: From $1,921
    03

    Mo

  • DTW–LIR, 08/04/26 – 08/11/26: From $1,916
    04

    Tu

  • DTW–LIR, 08/05/26 – 08/12/26: From $1,696
    05

    We

  • DTW–LIR, 08/06/26 – 08/13/26: From $1,916
    06

    Th

  • DTW–LIR, 08/07/26 – 08/14/26: From $1,916
    07

    Fr

  • DTW–LIR, 08/08/26 – 08/15/26: From $1,916
    08

    Sa

  • DTW–LIR, 08/09/26 – 08/16/26: From $1,496
    09

    Su

  • DTW–LIR, 08/10/26 – 08/17/26: From $1,395
    10

    Mo

  • DTW–LIR, 08/11/26 – 08/18/26: From $1,395
    11

    Tu

  • DTW–LIR, 08/12/26 – 08/19/26: From $1,395
    12

    We

  • DTW–LIR, 08/13/26 – 08/20/26: From $1,283
    13

    Th

  • DTW–LIR, 08/14/26 – 08/21/26: From $1,283
    14

    Fr

  • DTW–LIR, 08/15/26 – 08/22/26: From $1,283
    15

    Sa

  • DTW–LIR, 08/16/26 – 08/23/26: From $1,400
    16

    Su

  • DTW–LIR, 08/17/26 – 08/24/26: From $1,283
    17

    Mo

  • DTW–LIR, 08/18/26 – 08/25/26: From $1,283
    18

    Tu

  • DTW–LIR, 08/19/26 – 08/26/26: From $1,283
    19

    We

  • DTW–LIR, 08/20/26 – 08/27/26: From $1,379
    20

    Th

  • DTW–LIR, 08/21/26 – 08/28/26: From $1,142
    21

    Fr

  • DTW–LIR, 08/22/26 – 08/29/26: From $1,142
    22

    Sa

  • DTW–LIR, 08/23/26 – 08/30/26: From $1,152
    23

    Su

  • DTW–LIR, 08/24/26 – 08/31/26: From $1,147
    24

    Mo

  • DTW–LIR, 08/25/26 – 09/01/26: From $1,142
    25

    Tu

  • DTW–LIR, 08/26/26 – 09/02/26: From $1,147
    26

    We

  • DTW–LIR, 08/27/26 – 09/03/26: From $1,142
    27

    Th

  • DTW–LIR, 08/28/26 – 09/04/26: From $1,142
    28

    Fr

  • DTW–LIR, 08/29/26 – 09/05/26: From $1,142
    29

    Sa

    • range$1,142-$2,121

    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 Detroit to Liberia (Costa Rica) flights

    $
    keyboard_arrow_down

    Detroit (DTW)to

    Liberia (Costa Rica) (LIR)
    11/13/26 - 11/20/26

    Round trip

    Economy

    from
    $922Fare subject to changes
    Updated: 9 hours ago

    Detroit (DTW)to

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

    Round trip

    Economy

    from
    $922Fare subject to changes
    Updated: 9 hours ago

    Detroit (DTW)to

    Liberia (Costa Rica) (LIR)
    11/24/26 - 12/01/26

    Round trip

    Economy

    from
    $922Fare subject to changes
    Updated: 9 hours ago

    Detroit (DTW)to

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

    Round trip

    Economy

    from
    $922Fare subject to changes
    Updated: 9 hours ago

    Detroit (DTW)to

    Liberia (Costa Rica) (LIR)
    10/30/26 - 11/06/26

    Round trip

    Economy

    from
    $922Fare subject to changes
    Updated: 9 hours ago

    Detroit (DTW)to

    Liberia (Costa Rica) (LIR)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $922Fare subject to changes
    Updated: 9 hours ago

    Detroit (DTW)to

    Liberia (Costa Rica) (LIR)
    11/12/26 - 11/19/26

    Round trip

    Economy

    from
    $922Fare subject to changes
    Updated: 9 hours ago

    Detroit (DTW)to

    Liberia (Costa Rica) (LIR)
    11/16/26 - 11/23/26

    Round trip

    Economy

    from
    $922Fare subject to changes
    Updated: 9 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 Detroit to Liberia (Costa Rica)

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