American Airlines flights from Ontario to Cancun

Recent searches for flights from Ontario to Cancun

Aug 2026
From$604*
Updated: 8 hours ago
Round tripIEconomy
Sep 2026
From$540*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From$540*
Updated: 8 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $548
cmp-daily-histogram-bars-legend-max-price-aria-label $2.5K
Displaying fares for August-2026
  • ONT–CUN: cmp-view-offers-disclaimer. Find Offers
    12

    We

    AUG

  • ONT–CUN, 08/13/26 – 08/20/26: From $967
    13

    Th

  • ONT–CUN, 08/14/26 – 08/21/26: From $987
    14

    Fr

  • ONT–CUN, 08/15/26 – 08/22/26: From $967
    15

    Sa

  • ONT–CUN, 08/16/26 – 08/23/26: From $972
    16

    Su

  • ONT–CUN, 08/17/26 – 08/24/26: From $967
    17

    Mo

  • ONT–CUN, 08/18/26 – 08/25/26: From $927
    18

    Tu

  • ONT–CUN, 08/19/26 – 08/26/26: From $802
    19

    We

  • ONT–CUN, 08/20/26 – 08/27/26: From $837
    20

    Th

  • ONT–CUN, 08/21/26 – 08/28/26: From $987
    21

    Fr

  • ONT–CUN, 08/22/26 – 08/29/26: From $797
    22

    Sa

  • ONT–CUN, 08/23/26 – 08/30/26: From $1,014
    23

    Su

  • ONT–CUN, 08/24/26 – 08/31/26: From $1,009
    24

    Mo

  • ONT–CUN, 08/25/26 – 09/01/26: From $792
    25

    Tu

  • ONT–CUN, 08/26/26 – 09/02/26: From $609
    26

    We

  • ONT–CUN, 08/27/26 – 09/03/26: From $609
    27

    Th

  • ONT–CUN, 08/28/26 – 09/04/26: From $604
    28

    Fr

  • ONT–CUN, 08/29/26 – 09/05/26: From $604
    29

    Sa

  • ONT–CUN, 08/30/26 – 09/06/26: From $889
    30

    Su

  • ONT–CUN, 08/31/26 – 09/07/26: From $2,453
    31

    Mo

  • ONT–CUN, 09/01/26 – 09/08/26: From $904
    01

    Tu

    SEP

  • ONT–CUN, 09/02/26 – 09/09/26: From $1,086
    02

    We

  • ONT–CUN, 09/03/26 – 09/10/26: From $868
    03

    Th

  • ONT–CUN, 09/04/26 – 09/11/26: From $843
    04

    Fr

  • ONT–CUN, 09/05/26 – 09/12/26: From $666
    05

    Sa

  • ONT–CUN, 09/06/26 – 09/13/26: From $591
    06

    Su

  • ONT–CUN, 09/07/26 – 09/14/26: From $600
    07

    Mo

  • ONT–CUN, 09/08/26 – 09/15/26: From $548
    08

    Tu

  • ONT–CUN, 09/09/26 – 09/16/26: From $765
    09

    We

  • ONT–CUN, 09/10/26 – 09/17/26: From $597
    10

    Th

  • ONT–CUN, 09/11/26 – 09/18/26: From $548
    11

    Fr

    • range$548-$2,453

    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 Cancun flights

    $
    keyboard_arrow_down

    Ontario (ONT)to

    Cancun (CUN)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $540Fare subject to changes
    Updated: 8 hours ago

    Ontario (ONT)to

    Cancun (CUN)
    09/29/26 - 10/06/26

    Round trip

    Economy

    from
    $540Fare subject to changes
    Updated: 8 hours ago

    Ontario (ONT)to

    Cancun (CUN)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $540Fare subject to changes
    Updated: 8 hours ago

    Ontario (ONT)to

    Cancun (CUN)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $540Fare subject to changes
    Updated: 8 hours ago

    Ontario (ONT)to

    Cancun (CUN)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $540Fare subject to changes
    Updated: 8 hours ago

    Ontario (ONT)to

    Cancun (CUN)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $540Fare subject to changes
    Updated: 8 hours ago

    Ontario (ONT)to

    Cancun (CUN)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $540Fare subject to changes
    Updated: 8 hours ago

    Ontario (ONT)to

    Cancun (CUN)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $540Fare subject to changes
    Updated: 8 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 Cancun

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