American Airlines flights from San Diego to Harrisburg

Recent searches for flights from San Diego to Harrisburg

Aug 2026
From$489*
Updated: 6 hours ago
Round tripIEconomy
Sep 2026
From$379*
Updated: 6 hours ago
Round tripIEconomy
Oct 2026
From$379*
Updated: 6 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $379
cmp-daily-histogram-bars-legend-max-price-aria-label $609
Displaying fares for August-2026
  • SAN–MDT, 08/17/26 – 08/24/26: From $609
    17

    Mo

    AUG

  • SAN–MDT, 08/18/26 – 08/25/26: From $519
    18

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  • SAN–MDT, 08/19/26 – 08/26/26: From $519
    19

    We

  • SAN–MDT, 08/20/26 – 08/27/26: From $609
    20

    Th

  • SAN–MDT, 08/21/26 – 08/28/26: From $609
    21

    Fr

  • SAN–MDT, 08/22/26 – 08/29/26: From $519
    22

    Sa

  • SAN–MDT, 08/23/26 – 08/30/26: From $609
    23

    Su

  • SAN–MDT, 08/24/26 – 08/31/26: From $509
    24

    Mo

  • SAN–MDT, 08/25/26 – 09/01/26: From $489
    25

    Tu

  • SAN–MDT, 08/26/26 – 09/02/26: From $489
    26

    We

  • SAN–MDT, 08/27/26 – 09/03/26: From $509
    27

    Th

  • SAN–MDT, 08/28/26 – 09/04/26: From $509
    28

    Fr

  • SAN–MDT, 08/29/26 – 09/05/26: From $489
    29

    Sa

  • SAN–MDT, 08/30/26 – 09/06/26: From $509
    30

    Su

  • SAN–MDT, 08/31/26 – 09/07/26: From $489
    31

    Mo

  • SAN–MDT, 09/01/26 – 09/08/26: From $419
    01

    Tu

    SEP

  • SAN–MDT, 09/02/26 – 09/09/26: From $419
    02

    We

  • SAN–MDT, 09/03/26 – 09/10/26: From $419
    03

    Th

  • SAN–MDT, 09/04/26 – 09/11/26: From $419
    04

    Fr

  • SAN–MDT, 09/05/26 – 09/12/26: From $381
    05

    Sa

  • SAN–MDT, 09/06/26 – 09/13/26: From $569
    06

    Su

  • SAN–MDT, 09/07/26 – 09/14/26: From $597
    07

    Mo

  • SAN–MDT, 09/08/26 – 09/15/26: From $379
    08

    Tu

  • SAN–MDT, 09/09/26 – 09/16/26: From $379
    09

    We

  • SAN–MDT, 09/10/26 – 09/17/26: From $379
    10

    Th

  • SAN–MDT, 09/11/26 – 09/18/26: From $379
    11

    Fr

  • SAN–MDT, 09/12/26 – 09/19/26: From $379
    12

    Sa

  • SAN–MDT, 09/13/26 – 09/20/26: From $437
    13

    Su

  • SAN–MDT: cmp-view-offers-disclaimer. Find Offers
    14

    Mo

  • SAN–MDT: cmp-view-offers-disclaimer. Find Offers
    15

    Tu

  • SAN–MDT, 09/16/26 – 09/23/26: From $379
    16

    We

    • range$379-$609

    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 San Diego to Harrisburg flights

    $
    keyboard_arrow_down

    San Diego (SAN)to

    Harrisburg (MDT)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 hours ago

    San Diego (SAN)to

    Harrisburg (MDT)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 hours ago

    San Diego (SAN)to

    Harrisburg (MDT)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 hours ago

    San Diego (SAN)to

    Harrisburg (MDT)
    10/10/26 - 10/17/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 hours ago

    San Diego (SAN)to

    Harrisburg (MDT)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 hours ago

    San Diego (SAN)to

    Harrisburg (MDT)
    09/21/26 - 09/28/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 hours ago

    San Diego (SAN)to

    Harrisburg (MDT)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 hours ago

    San Diego (SAN)to

    Harrisburg (MDT)
    09/25/26 - 10/02/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 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 San Diego to Harrisburg

    Looking for lower fares on your trip from San Diego to Harrisburg? 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

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • 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 San Diego to Harrisburg