American Airlines flights from Pittsburgh to Liberia (Costa Rica)

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

Sep 2026
From$417*
Updated: 10 hours ago
Round tripIEconomy
Oct 2026
From$386*
Updated: 10 hours ago
Round tripIEconomy
Nov 2026
From$412*
Updated: 10 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $391
cmp-daily-histogram-bars-legend-max-price-aria-label $652
Displaying fares for September-2026
  • PIT–LIR, 09/09/26 – 09/16/26: From $652
    09

    We

    SEP

  • PIT–LIR, 09/10/26 – 09/17/26: From $647
    10

    Th

  • PIT–LIR, 09/11/26 – 09/18/26: From $642
    11

    Fr

  • PIT–LIR, 09/12/26 – 09/19/26: From $594
    12

    Sa

  • PIT–LIR, 09/13/26 – 09/20/26: From $594
    13

    Su

  • PIT–LIR, 09/14/26 – 09/21/26: From $594
    14

    Mo

  • PIT–LIR, 09/15/26 – 09/22/26: From $493
    15

    Tu

  • PIT–LIR, 09/16/26 – 09/23/26: From $537
    16

    We

  • PIT–LIR, 09/17/26 – 09/24/26: From $532
    17

    Th

  • PIT–LIR, 09/18/26 – 09/25/26: From $527
    18

    Fr

  • PIT–LIR, 09/19/26 – 09/26/26: From $500
    19

    Sa

  • PIT–LIR, 09/20/26 – 09/27/26: From $500
    20

    Su

  • PIT–LIR, 09/21/26 – 09/28/26: From $500
    21

    Mo

  • PIT–LIR, 09/22/26 – 09/29/26: From $523
    22

    Tu

  • PIT–LIR, 09/23/26 – 09/30/26: From $619
    23

    We

  • PIT–LIR, 09/24/26 – 10/01/26: From $431
    24

    Th

  • PIT–LIR, 09/25/26 – 10/02/26: From $426
    25

    Fr

  • PIT–LIR, 09/26/26 – 10/03/26: From $445
    26

    Sa

  • PIT–LIR, 09/27/26 – 10/04/26: From $445
    27

    Su

  • PIT–LIR, 09/28/26 – 10/05/26: From $440
    28

    Mo

  • PIT–LIR, 09/29/26 – 10/06/26: From $554
    29

    Tu

  • PIT–LIR, 09/30/26 – 10/07/26: From $417
    30

    We

  • PIT–LIR, 10/01/26 – 10/08/26: From $412
    01

    Th

    OCT

  • PIT–LIR, 10/02/26 – 10/09/26: From $412
    02

    Fr

  • PIT–LIR, 10/03/26 – 10/10/26: From $412
    03

    Sa

  • PIT–LIR, 10/04/26 – 10/11/26: From $417
    04

    Su

  • PIT–LIR, 10/05/26 – 10/12/26: From $412
    05

    Mo

  • PIT–LIR, 10/06/26 – 10/13/26: From $391
    06

    Tu

  • PIT–LIR, 10/07/26 – 10/14/26: From $520
    07

    We

  • PIT–LIR, 10/08/26 – 10/15/26: From $636
    08

    Th

    • range$391-$652

    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 Pittsburgh to Liberia (Costa Rica) flights

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    Pittsburgh (PIT)to

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

    Round trip

    Economy

    from
    $386Fare subject to changes
    Updated: 10 hours ago

    Pittsburgh (PIT)to

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

    Round trip

    Economy

    from
    $391Fare subject to changes
    Updated: 10 hours ago

    Pittsburgh (PIT)to

    Liberia (Costa Rica) (LIR)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $391Fare subject to changes
    Updated: 10 hours ago

    Pittsburgh (PIT)to

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

    Round trip

    Economy

    from
    $391Fare subject to changes
    Updated: 10 hours ago

    Pittsburgh (PIT)to

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

    Round trip

    Economy

    from
    $391Fare subject to changes
    Updated: 10 hours ago

    Pittsburgh (PIT)to

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

    Round trip

    Economy

    from
    $407Fare subject to changes
    Updated: 10 hours ago

    Pittsburgh (PIT)to

    Liberia (Costa Rica) (LIR)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $407Fare subject to changes
    Updated: 10 hours ago

    Pittsburgh (PIT)to

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

    Round trip

    Economy

    from
    $407Fare subject to changes
    Updated: 10 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 Pittsburgh to Liberia (Costa Rica)

    Looking for lower fares on your trip from Pittsburgh 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.
    • 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 Pittsburgh to Liberia (Costa Rica)