American Airlines flights from Phoenix to Liberia (Costa Rica)

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

Sep 2026
From$453*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$384*
Updated: 5 hours ago
Round tripIEconomy
Nov 2026
From$389*
Updated: 6 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $384
cmp-daily-histogram-bars-legend-max-price-aria-label $865
Displaying fares for September-2026
  • PHX–LIR, 09/08/26 – 09/15/26: From $598
    08

    Tu

    SEP

  • PHX–LIR, 09/09/26 – 09/16/26: From $758
    09

    We

  • PHX–LIR, 09/10/26 – 09/17/26: From $627
    10

    Th

  • PHX–LIR, 09/11/26 – 09/18/26: From $627
    11

    Fr

  • PHX–LIR, 09/12/26 – 09/19/26: From $598
    12

    Sa

  • PHX–LIR, 09/13/26 – 09/20/26: From $603
    13

    Su

  • PHX–LIR, 09/14/26 – 09/21/26: From $608
    14

    Mo

  • PHX–LIR, 09/15/26 – 09/22/26: From $564
    15

    Tu

  • PHX–LIR, 09/16/26 – 09/23/26: From $752
    16

    We

  • PHX–LIR, 09/17/26 – 09/24/26: From $559
    17

    Th

  • PHX–LIR, 09/18/26 – 09/25/26: From $559
    18

    Fr

  • PHX–LIR, 09/19/26 – 09/26/26: From $559
    19

    Sa

  • PHX–LIR, 09/20/26 – 09/27/26: From $564
    20

    Su

  • PHX–LIR, 09/21/26 – 09/28/26: From $559
    21

    Mo

  • PHX–LIR, 09/22/26 – 09/29/26: From $621
    22

    Tu

  • PHX–LIR, 09/23/26 – 09/30/26: From $855
    23

    We

  • PHX–LIR, 09/24/26 – 10/01/26: From $453
    24

    Th

  • PHX–LIR, 09/25/26 – 10/02/26: From $453
    25

    Fr

  • PHX–LIR, 09/26/26 – 10/03/26: From $453
    26

    Sa

  • PHX–LIR, 09/27/26 – 10/04/26: From $519
    27

    Su

  • PHX–LIR, 09/28/26 – 10/05/26: From $453
    28

    Mo

  • PHX–LIR, 09/29/26 – 10/06/26: From $676
    29

    Tu

  • PHX–LIR, 09/30/26 – 10/07/26: From $865
    30

    We

  • PHX–LIR, 10/01/26 – 10/08/26: From $384
    01

    Th

    OCT

  • PHX–LIR, 10/02/26 – 10/09/26: From $445
    02

    Fr

  • PHX–LIR, 10/03/26 – 10/10/26: From $445
    03

    Sa

  • PHX–LIR, 10/04/26 – 10/11/26: From $505
    04

    Su

  • PHX–LIR, 10/05/26 – 10/12/26: From $506
    05

    Mo

  • PHX–LIR, 10/06/26 – 10/13/26: From $450
    06

    Tu

  • PHX–LIR, 10/07/26 – 10/14/26: From $510
    07

    We

    • range$384-$865

    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)
    10/01/26 - 10/08/26

    Round trip

    Economy

    from
    $384Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $384Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $384Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

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

    Round trip

    Economy

    from
    $384Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    10/15/26 - 10/22/26

    Round trip

    Economy

    from
    $384Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    10/19/26 - 10/26/26

    Round trip

    Economy

    from
    $384Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

    Liberia (Costa Rica) (LIR)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $384Fare subject to changes
    Updated: 5 hours ago

    Phoenix (PHX)to

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

    Round trip

    Economy

    from
    $384Fare subject to changes
    Updated: 5 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

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    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
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    American Airlines flights from Phoenix to Liberia (Costa Rica)