American Airlines flights from Philadelphia to St. Thomas

Recent searches for flights from Philadelphia to St. Thomas

Sep 2026
From$914*
Updated: 2 hours ago
Round tripIEconomy
Oct 2026
From$265*
Updated: 16 hours ago
Round tripIEconomy
Nov 2026
From$290*
Updated: 9 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $265
cmp-daily-histogram-bars-legend-max-price-aria-label $4.1K
Displaying fares for September-2026
  • PHL–STT, 09/13/26 – 09/20/26: From $2,690
    13

    Su

    SEP

  • PHL–STT, 09/14/26 – 09/21/26: From $2,124
    14

    Mo

  • PHL–STT, 09/15/26 – 09/22/26: From $2,095
    15

    Tu

  • PHL–STT, 09/16/26 – 09/23/26: From $2,123
    16

    We

  • PHL–STT, 09/17/26 – 09/24/26: From $2,115
    17

    Th

  • PHL–STT, 09/18/26 – 09/25/26: From $1,714
    18

    Fr

  • PHL–STT, 09/19/26 – 09/26/26: From $1,143
    19

    Sa

  • PHL–STT, 09/20/26 – 09/27/26: From $2,239
    20

    Su

  • PHL–STT, 09/21/26 – 09/28/26: From $1,829
    21

    Mo

  • PHL–STT, 09/22/26 – 09/29/26: From $1,219
    22

    Tu

  • PHL–STT, 09/23/26 – 09/30/26: From $1,256
    23

    We

  • PHL–STT, 09/24/26 – 10/01/26: From $1,043
    24

    Th

  • PHL–STT, 09/25/26 – 10/02/26: From $4,086
    25

    Fr

  • PHL–STT, 09/26/26 – 10/03/26: From $966
    26

    Sa

  • PHL–STT, 09/27/26 – 10/04/26: From $1,001
    27

    Su

  • PHL–STT, 09/28/26 – 10/05/26: From $1,087
    28

    Mo

  • PHL–STT, 09/29/26 – 10/06/26: From $914
    29

    Tu

  • PHL–STT, 09/30/26 – 10/07/26: From $961
    30

    We

  • PHL–STT, 10/01/26 – 10/08/26: From $1,148
    01

    Th

    OCT

  • PHL–STT, 10/02/26 – 10/09/26: From $1,178
    02

    Fr

  • PHL–STT, 10/03/26 – 10/10/26: From $899
    03

    Sa

  • PHL–STT, 10/04/26 – 10/11/26: From $787
    04

    Su

  • PHL–STT, 10/05/26 – 10/12/26: From $787
    05

    Mo

  • PHL–STT, 10/06/26 – 10/13/26: From $787
    06

    Tu

  • PHL–STT, 10/07/26 – 10/14/26: From $792
    07

    We

  • PHL–STT, 10/08/26 – 10/15/26: From $787
    08

    Th

  • PHL–STT, 10/09/26 – 10/12/26: From $265
    09

    Fr

  • PHL–STT, 10/10/26 – 10/16/26: From $744
    10

    Sa

  • PHL–STT: cmp-view-offers-disclaimer. Find Offers
    11

    Su

  • PHL–STT: cmp-view-offers-disclaimer. Find Offers
    12

    Mo

    • range$265-$4,086

    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 St. Thomas flights

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    Philadelphia (PHL)to

    St. Thomas (STT)
    10/09/26 - 10/12/26

    Round trip

    Economy

    from
    $265Fare subject to changes
    Updated: 16 hours ago

    Philadelphia (PHL)to

    St. Thomas (STT)
    11/04/26 - 11/09/26

    Round trip

    Economy

    from
    $290Fare subject to changes
    Updated: 9 hours ago

    Philadelphia (PHL)to

    St. Thomas (STT)
    04/12/27 - 04/19/27

    Round trip

    Economy

    from
    $651Fare subject to changes
    Updated: 15 hours ago

    Philadelphia (PHL)to

    St. Thomas (STT)
    01/26/27 - 02/02/27

    Round trip

    Economy

    from
    $656Fare subject to changes
    Updated: 12 hours ago

    Philadelphia (PHL)to

    St. Thomas (STT)
    03/02/27 - 03/08/27

    Round trip

    Economy

    from
    $656Fare subject to changes
    Updated: 13 hours ago

    Philadelphia (PHL)to

    St. Thomas (STT)
    01/24/27 - 01/31/27

    Round trip

    Economy

    from
    $656Fare subject to changes
    Updated: 7 hours ago

    Philadelphia (PHL)to

    St. Thomas (STT)
    04/12/27 - 04/18/27

    Round trip

    Economy

    from
    $656Fare subject to changes
    Updated: 10 hours ago

    Philadelphia (PHL)to

    St. Thomas (STT)
    02/27/27 - 03/04/27

    Round trip

    Economy

    from
    $656Fare subject to changes
    Updated: 3 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 Philadelphia to St. Thomas

    Looking for lower fares on your trip from Philadelphia to St. Thomas? 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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    American Airlines flights from Philadelphia to St. Thomas