American Airlines flights from Pittsburgh to Saint Louis

Recent searches for flights from Pittsburgh to Saint Louis

Sep 2026
From$395*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$233*
Updated: 23 hours ago
Round tripIEconomy
Nov 2026
From$247*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $247
cmp-daily-histogram-bars-legend-max-price-aria-label $489
Displaying fares for September-2026
  • PIT–STL, 09/17/26 – 09/24/26: From $489
    17

    Th

    SEP

  • PIT–STL, 09/18/26 – 09/25/26: From $489
    18

    Fr

  • PIT–STL, 09/19/26 – 09/26/26: From $395
    19

    Sa

  • PIT–STL, 09/20/26 – 09/27/26: From $489
    20

    Su

  • PIT–STL, 09/21/26 – 09/28/26: From $489
    21

    Mo

  • PIT–STL, 09/22/26 – 09/29/26: From $395
    22

    Tu

  • PIT–STL, 09/23/26 – 09/30/26: From $395
    23

    We

  • PIT–STL, 09/24/26 – 10/01/26: From $489
    24

    Th

  • PIT–STL, 09/25/26 – 10/02/26: From $489
    25

    Fr

  • PIT–STL, 09/26/26 – 10/03/26: From $395
    26

    Sa

  • PIT–STL, 09/27/26 – 10/04/26: From $489
    27

    Su

  • PIT–STL, 09/28/26 – 10/05/26: From $489
    28

    Mo

  • PIT–STL, 09/29/26 – 10/06/26: From $395
    29

    Tu

  • PIT–STL, 09/30/26 – 10/07/26: From $395
    30

    We

  • PIT–STL, 10/01/26 – 10/08/26: From $483
    01

    Th

    OCT

  • PIT–STL, 10/02/26 – 10/09/26: From $483
    02

    Fr

  • PIT–STL, 10/03/26 – 10/10/26: From $371
    03

    Sa

  • PIT–STL, 10/04/26 – 10/11/26: From $397
    04

    Su

  • PIT–STL, 10/05/26 – 10/12/26: From $299
    05

    Mo

  • PIT–STL, 10/06/26 – 10/13/26: From $269
    06

    Tu

  • PIT–STL, 10/07/26 – 10/14/26: From $269
    07

    We

  • PIT–STL, 10/08/26 – 10/15/26: From $247
    08

    Th

  • PIT–STL, 10/09/26 – 10/16/26: From $287
    09

    Fr

  • PIT–STL, 10/10/26 – 10/17/26: From $247
    10

    Sa

  • PIT–STL, 10/11/26 – 10/18/26: From $397
    11

    Su

  • PIT–STL, 10/12/26 – 10/19/26: From $287
    12

    Mo

  • PIT–STL, 10/13/26 – 10/20/26: From $247
    13

    Tu

  • PIT–STL, 10/14/26 – 10/21/26: From $247
    14

    We

  • PIT–STL: cmp-view-offers-disclaimer. Find Offers
    15

    Th

  • PIT–STL: cmp-view-offers-disclaimer. Find Offers
    16

    Fr

    • range$247-$489

    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 Saint Louis flights

    $
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    Pittsburgh (PIT)to

    Saint Louis (STL)
    10/22/26 - 10/26/26

    Round trip

    Economy

    from
    $233Fare subject to changes
    Updated: 23 hours ago

    Pittsburgh (PIT)to

    Saint Louis (STL)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $247Fare subject to changes
    Updated: 5 hours ago

    Pittsburgh (PIT)to

    Saint Louis (STL)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $247Fare subject to changes
    Updated: 5 hours ago

    Pittsburgh (PIT)to

    Saint Louis (STL)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $247Fare subject to changes
    Updated: 5 hours ago

    Pittsburgh (PIT)to

    Saint Louis (STL)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $247Fare subject to changes
    Updated: 5 hours ago

    Pittsburgh (PIT)to

    Saint Louis (STL)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $247Fare subject to changes
    Updated: 5 hours ago

    Pittsburgh (PIT)to

    Saint Louis (STL)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $247Fare subject to changes
    Updated: 5 hours ago

    Pittsburgh (PIT)to

    Saint Louis (STL)
    10/08/26 - 10/15/26

    Round trip

    Economy

    from
    $247Fare 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.

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