American Airlines flights from Ontario to Dublin

Recent searches for flights from Ontario to Dublin

Aug 2026
From$1,094*
Updated: 7 hours ago
Round tripIEconomy
Sep 2026
From$934*
Updated: 7 hours ago
Round tripIEconomy
Oct 2026
From$875*
Updated: 7 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $934
cmp-daily-histogram-bars-legend-max-price-aria-label $1.8K
Displaying fares for August-2026
  • ONT–DUB: cmp-view-offers-disclaimer. Find Offers
    14

    Fr

    AUG

  • ONT–DUB, 08/15/26 – 08/22/26: From $1,509
    15

    Sa

  • ONT–DUB, 08/16/26 – 08/23/26: From $1,459
    16

    Su

  • ONT–DUB, 08/17/26 – 08/24/26: From $1,459
    17

    Mo

  • ONT–DUB, 08/18/26 – 08/25/26: From $1,409
    18

    Tu

  • ONT–DUB, 08/19/26 – 08/26/26: From $1,409
    19

    We

  • ONT–DUB, 08/20/26 – 08/27/26: From $1,459
    20

    Th

  • ONT–DUB, 08/21/26 – 08/28/26: From $1,209
    21

    Fr

  • ONT–DUB, 08/22/26 – 08/29/26: From $1,259
    22

    Sa

  • ONT–DUB, 08/23/26 – 08/30/26: From $1,839
    23

    Su

  • ONT–DUB, 08/24/26 – 08/31/26: From $1,214
    24

    Mo

  • ONT–DUB, 08/25/26 – 09/01/26: From $1,164
    25

    Tu

  • ONT–DUB, 08/26/26 – 09/02/26: From $1,239
    26

    We

  • ONT–DUB, 08/27/26 – 09/03/26: From $1,374
    27

    Th

  • ONT–DUB, 08/28/26 – 09/04/26: From $1,099
    28

    Fr

  • ONT–DUB, 08/29/26 – 09/05/26: From $1,149
    29

    Sa

  • ONT–DUB, 08/30/26 – 09/06/26: From $1,094
    30

    Su

  • ONT–DUB, 08/31/26 – 09/07/26: From $1,144
    31

    Mo

  • ONT–DUB, 09/01/26 – 09/08/26: From $1,039
    01

    Tu

    SEP

  • ONT–DUB, 09/02/26 – 09/09/26: From $1,089
    02

    We

  • ONT–DUB, 09/03/26 – 09/10/26: From $1,234
    03

    Th

  • ONT–DUB, 09/04/26 – 09/11/26: From $1,234
    04

    Fr

  • ONT–DUB, 09/05/26 – 09/12/26: From $1,284
    05

    Sa

  • ONT–DUB, 09/06/26 – 09/13/26: From $1,234
    06

    Su

  • ONT–DUB, 09/07/26 – 09/14/26: From $1,009
    07

    Mo

  • ONT–DUB, 09/08/26 – 09/15/26: From $964
    08

    Tu

  • ONT–DUB, 09/09/26 – 09/16/26: From $959
    09

    We

  • ONT–DUB, 09/10/26 – 09/17/26: From $1,009
    10

    Th

  • ONT–DUB, 09/11/26 – 09/18/26: From $934
    11

    Fr

  • ONT–DUB, 09/12/26 – 09/19/26: From $984
    12

    Sa

  • ONT–DUB, 09/13/26 – 09/20/26: From $1,244
    13

    Su

    • range$934-$1,839

    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 Ontario to Dublin flights

    $
    keyboard_arrow_down

    Ontario (ONT)to

    Dublin (DUB)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $870Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Dublin (DUB)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $875Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Dublin (DUB)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $875Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Dublin (DUB)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $875Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Dublin (DUB)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $875Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Dublin (DUB)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $875Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Dublin (DUB)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $875Fare subject to changes
    Updated: 7 hours ago

    Ontario (ONT)to

    Dublin (DUB)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $875Fare subject to changes
    Updated: 7 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 Ontario to Dublin

    Looking for lower fares on your trip from Ontario to Dublin? 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 Ontario to Dublin