American Airlines flights from Atlanta to Harlingen

Recent searches for flights from Atlanta to Harlingen

Sep 2026
From$354*
Updated: 14 minutes ago
Round tripIEconomy
Oct 2026
From$329*
Updated: 14 minutes ago
Round tripIEconomy
Nov 2026
From$329*
Updated: 14 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $354
cmp-daily-histogram-bars-legend-max-price-aria-label $654
Displaying fares for September-2026
  • ATL–HRL: cmp-view-offers-disclaimer. Find Offers
    06

    Su

    SEP

  • ATL–HRL, 09/07/26 – 09/14/26: From $484
    07

    Mo

  • ATL–HRL, 09/08/26 – 09/15/26: From $454
    08

    Tu

  • ATL–HRL, 09/09/26 – 09/16/26: From $454
    09

    We

  • ATL–HRL, 09/10/26 – 09/17/26: From $604
    10

    Th

  • ATL–HRL, 09/11/26 – 09/18/26: From $494
    11

    Fr

  • ATL–HRL, 09/12/26 – 09/19/26: From $449
    12

    Sa

  • ATL–HRL, 09/13/26 – 09/20/26: From $479
    13

    Su

  • ATL–HRL, 09/14/26 – 09/21/26: From $429
    14

    Mo

  • ATL–HRL, 09/15/26 – 09/22/26: From $414
    15

    Tu

  • ATL–HRL, 09/16/26 – 09/23/26: From $414
    16

    We

  • ATL–HRL, 09/17/26 – 09/24/26: From $584
    17

    Th

  • ATL–HRL, 09/18/26 – 09/25/26: From $654
    18

    Fr

  • ATL–HRL, 09/19/26 – 09/26/26: From $549
    19

    Sa

  • ATL–HRL, 09/20/26 – 09/27/26: From $434
    20

    Su

  • ATL–HRL, 09/21/26 – 09/28/26: From $539
    21

    Mo

  • ATL–HRL, 09/22/26 – 09/29/26: From $354
    22

    Tu

  • ATL–HRL, 09/23/26 – 09/30/26: From $427
    23

    We

  • ATL–HRL, 09/24/26 – 10/01/26: From $427
    24

    Th

  • ATL–HRL, 09/25/26 – 10/02/26: From $517
    25

    Fr

  • ATL–HRL, 09/26/26 – 10/03/26: From $354
    26

    Sa

  • ATL–HRL, 09/27/26 – 10/04/26: From $589
    27

    Su

  • ATL–HRL, 09/28/26 – 10/05/26: From $407
    28

    Mo

  • ATL–HRL, 09/29/26 – 10/06/26: From $354
    29

    Tu

  • ATL–HRL, 09/30/26 – 10/07/26: From $427
    30

    We

  • ATL–HRL, 10/01/26 – 10/08/26: From $514
    01

    Th

    OCT

  • ATL–HRL, 10/02/26 – 10/09/26: From $560
    02

    Fr

  • ATL–HRL, 10/03/26 – 10/10/26: From $402
    03

    Sa

  • ATL–HRL: cmp-view-offers-disclaimer. Find Offers
    04

    Su

  • ATL–HRL: cmp-view-offers-disclaimer. Find Offers
    05

    Mo

    • range$354-$654

    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 Atlanta to Harlingen flights

    $
    keyboard_arrow_down

    Atlanta (ATL)to

    Harlingen (HRL)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $329Fare subject to changes
    Updated: 14 minutes ago

    Atlanta (ATL)to

    Harlingen (HRL)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $329Fare subject to changes
    Updated: 14 minutes ago

    Atlanta (ATL)to

    Harlingen (HRL)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $329Fare subject to changes
    Updated: 14 minutes ago

    Atlanta (ATL)to

    Harlingen (HRL)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $329Fare subject to changes
    Updated: 14 minutes ago

    Atlanta (ATL)to

    Harlingen (HRL)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $329Fare subject to changes
    Updated: 14 minutes ago

    Atlanta (ATL)to

    Harlingen (HRL)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $329Fare subject to changes
    Updated: 14 minutes ago

    Atlanta (ATL)to

    Harlingen (HRL)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $329Fare subject to changes
    Updated: 14 minutes ago

    Atlanta (ATL)to

    Harlingen (HRL)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $329Fare subject to changes
    Updated: 14 minutes 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 Atlanta to Harlingen

    Looking for lower fares on your trip from Atlanta to Harlingen? 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 Atlanta to Harlingen