American Airlines flights from Philadelphia to Liberia (Costa Rica)

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

There are no flight results at the moment. Please adjust your search
Apr 2026
No results available
May 2026
From$414*
Updated: 18 hours ago
Round tripIEconomy
Jun 2026
From$444*
Updated: 10 hours ago
Round tripIEconomy
$414
Displaying fares for April-2026
  • 30

    Th

    APR

  • 01

    Fr

  • 02

    Sa

  • 03

    Su

  • 04

    Mo

  • 05

    Tu

  • 06

    We

  • 07

    Th

  • 08

    Fr

  • 09

    Sa

  • 10

    Su

  • 11

    Mo

  • 12

    Tu

  • 13

    We

  • 14

    Th

  • 15

    Fr

  • 16

    Sa

  • 17

    Su

  • 18

    Mo

  • 19

    Tu

  • 20

    We

  • 21

    Th

  • 22

    Fr

  • 23

    Sa

  • 24

    Su

  • 25

    Mo

  • 26

    Tu

  • 27

    We

  • 28

    Th

  • 29

    Fr

    • range$414

    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 Philadelphia to Liberia (Costa Rica) flights

    $
    keyboard_arrow_down

    Philadelphia (PHL)to

    Liberia (Costa Rica) (LIR)
    05/16/26 - 05/23/26

    Round trip

    Economy

    from
    $414Fare subject to changes
    Updated: 18 hours ago

    Philadelphia (PHL)to

    Liberia (Costa Rica) (LIR)
    08/30/26 - 09/06/26

    Round trip

    Economy

    from
    $424Fare subject to changes
    Updated: 12 hours ago

    Philadelphia (PHL)to

    Liberia (Costa Rica) (LIR)
    06/29/26 - 07/06/26

    Round trip

    Economy

    from
    $444Fare subject to changes
    Updated: 10 hours ago

    Philadelphia (PHL)to

    Liberia (Costa Rica) (LIR)
    12/16/26 - 12/22/26

    Round trip

    Economy

    from
    $464Fare subject to changes
    Updated: 14 hours ago

    Philadelphia (PHL)to

    Liberia (Costa Rica) (LIR)
    03/13/27 - 03/20/27

    Round trip

    Economy

    from
    $477Fare subject to changes
    Updated: 22 hours ago

    Philadelphia (PHL)to

    Liberia (Costa Rica) (LIR)
    07/19/26 - 07/31/26

    Round trip

    Economy

    from
    $561Fare subject to changes
    Updated: 20 hours ago

    Philadelphia (PHL)to

    Liberia (Costa Rica) (LIR)
    07/21/26 - 07/31/26

    Round trip

    Economy

    from
    $561Fare subject to changes
    Updated: 20 hours ago

    Philadelphia (PHL)to

    Liberia (Costa Rica) (LIR)
    12/30/26 - 01/06/27

    Round trip

    Economy

    from
    $569Fare subject to changes
    Updated: 18 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.

    American Airlines flights from Philadelphia to Liberia (Costa Rica)

    Earn up to $200 back on your next American Airlines flight plus, 40,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.