American Airlines flights from Phoenix to Liberia (Costa Rica)

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

Jul 2026
From$919*
Updated: 21 hours ago
Round tripIEconomy
Aug 2026
From$441*
Updated: 7 hours ago
Round tripIEconomy
Sep 2026
From$421*
Updated: 7 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $441
cmp-daily-histogram-bars-legend-max-price-aria-label $2.6K
Displaying fares for July-2026
  • PHX–LIR, 07/30/26 – 08/05/26: From $919
    30

    Th

    JUL

  • PHX–LIR, 07/31/26 – 08/07/26: From $1,400
    31

    Fr

  • PHX–LIR, 08/01/26 – 08/08/26: From $2,558
    01

    Sa

    AUG

  • PHX–LIR, 08/02/26 – 08/09/26: From $1,995
    02

    Su

  • PHX–LIR, 08/03/26 – 08/10/26: From $1,990
    03

    Mo

  • PHX–LIR, 08/04/26 – 08/11/26: From $1,637
    04

    Tu

  • PHX–LIR, 08/05/26 – 08/12/26: From $1,410
    05

    We

  • PHX–LIR, 08/06/26 – 08/13/26: From $1,738
    06

    Th

  • PHX–LIR, 08/07/26 – 08/14/26: From $1,783
    07

    Fr

  • PHX–LIR, 08/08/26 – 08/15/26: From $1,457
    08

    Sa

  • PHX–LIR, 08/09/26 – 08/16/26: From $1,462
    09

    Su

  • PHX–LIR, 08/10/26 – 08/17/26: From $1,457
    10

    Mo

  • PHX–LIR, 08/11/26 – 08/18/26: From $880
    11

    Tu

  • PHX–LIR, 08/12/26 – 08/19/26: From $747
    12

    We

  • PHX–LIR, 08/13/26 – 08/20/26: From $878
    13

    Th

  • PHX–LIR, 08/14/26 – 08/21/26: From $968
    14

    Fr

  • PHX–LIR, 08/15/26 – 08/22/26: From $1,405
    15

    Sa

  • PHX–LIR, 08/16/26 – 08/23/26: From $1,410
    16

    Su

  • PHX–LIR, 08/17/26 – 08/24/26: From $998
    17

    Mo

  • PHX–LIR, 08/18/26 – 08/25/26: From $629
    18

    Tu

  • PHX–LIR, 08/19/26 – 08/26/26: From $756
    19

    We

  • PHX–LIR, 08/20/26 – 08/27/26: From $1,264
    20

    Th

  • PHX–LIR, 08/21/26 – 08/28/26: From $624
    21

    Fr

  • PHX–LIR, 08/22/26 – 08/29/26: From $677
    22

    Sa

  • PHX–LIR, 08/23/26 – 08/30/26: From $755
    23

    Su

  • PHX–LIR, 08/24/26 – 08/31/26: From $677
    24

    Mo

  • PHX–LIR, 08/25/26 – 09/01/26: From $514
    25

    Tu

  • PHX–LIR, 08/26/26 – 09/02/26: From $526
    26

    We

  • PHX–LIR, 08/27/26 – 09/03/26: From $466
    27

    Th

  • PHX–LIR, 08/28/26 – 09/04/26: From $466
    28

    Fr

  • PHX–LIR, 08/29/26 – 09/05/26: From $441
    29

    Sa

    • range$441-$2,558

    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 Phoenix to Liberia (Costa Rica) flights

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    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $421Fare subject to changes
    Updated: 7 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $421Fare subject to changes
    Updated: 7 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $434Fare subject to changes
    Updated: 7 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $439Fare subject to changes
    Updated: 7 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $439Fare subject to changes
    Updated: 7 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    11/14/26 - 11/19/26

    Round trip

    Economy

    from
    $439Fare subject to changes
    Updated: 4 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    08/29/26 - 09/05/26

    Round trip

    Economy

    from
    $441Fare subject to changes
    Updated: 7 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $444Fare 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 Phoenix to Liberia (Costa Rica)

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