American Airlines flights from Ontario to Key West

Recent searches for flights from Ontario to Key West

Sep 2026
From$555*
Updated: 1 hour ago
Round tripIEconomy
Oct 2026
From$399*
Updated: 1 hour ago
Round tripIEconomy
Nov 2026
From$482*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $465
cmp-daily-histogram-bars-legend-max-price-aria-label $1.2K
Displaying fares for September-2026
  • ONT–EYW, 09/16/26 – 09/23/26: From $585
    16

    We

    SEP

  • ONT–EYW, 09/17/26 – 09/24/26: From $725
    17

    Th

  • ONT–EYW, 09/18/26 – 09/25/26: From $905
    18

    Fr

  • ONT–EYW, 09/19/26 – 09/26/26: From $1,053
    19

    Sa

  • ONT–EYW, 09/20/26 – 09/27/26: From $1,083
    20

    Su

  • ONT–EYW, 09/21/26 – 09/28/26: From $1,181
    21

    Mo

  • ONT–EYW, 09/22/26 – 09/29/26: From $585
    22

    Tu

  • ONT–EYW, 09/23/26 – 09/30/26: From $683
    23

    We

  • ONT–EYW, 09/24/26 – 10/01/26: From $725
    24

    Th

  • ONT–EYW, 09/25/26 – 10/02/26: From $954
    25

    Fr

  • ONT–EYW, 09/26/26 – 10/03/26: From $850
    26

    Sa

  • ONT–EYW, 09/27/26 – 10/04/26: From $789
    27

    Su

  • ONT–EYW, 09/28/26 – 10/05/26: From $725
    28

    Mo

  • ONT–EYW, 09/29/26 – 10/06/26: From $555
    29

    Tu

  • ONT–EYW, 09/30/26 – 10/07/26: From $847
    30

    We

  • ONT–EYW, 10/01/26 – 10/08/26: From $632
    01

    Th

    OCT

  • ONT–EYW, 10/02/26 – 10/09/26: From $742
    02

    Fr

  • ONT–EYW, 10/03/26 – 10/10/26: From $936
    03

    Sa

  • ONT–EYW, 10/04/26 – 10/11/26: From $1,024
    04

    Su

  • ONT–EYW, 10/05/26 – 10/12/26: From $936
    05

    Mo

  • ONT–EYW, 10/06/26 – 10/13/26: From $710
    06

    Tu

  • ONT–EYW, 10/07/26 – 10/14/26: From $610
    07

    We

  • ONT–EYW, 10/08/26 – 10/15/26: From $632
    08

    Th

  • ONT–EYW, 10/09/26 – 10/16/26: From $632
    09

    Fr

  • ONT–EYW, 10/10/26 – 10/17/26: From $677
    10

    Sa

  • ONT–EYW, 10/11/26 – 10/18/26: From $1,012
    11

    Su

  • ONT–EYW, 10/12/26 – 10/19/26: From $744
    12

    Mo

  • ONT–EYW, 10/13/26 – 10/20/26: From $465
    13

    Tu

  • ONT–EYW: cmp-view-offers-disclaimer. Find Offers
    14

    We

  • ONT–EYW: cmp-view-offers-disclaimer. Find Offers
    15

    Th

    • range$465-$1,181

    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 Key West flights

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    Ontario (ONT)to

    Key West (EYW)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    Ontario (ONT)to

    Key West (EYW)
    10/30/26 - 11/06/26

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    Ontario (ONT)to

    Key West (EYW)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    Ontario (ONT)to

    Key West (EYW)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $399Fare subject to changes
    Updated: 1 hour ago

    Ontario (ONT)to

    Key West (EYW)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $465Fare subject to changes
    Updated: 1 hour ago

    Ontario (ONT)to

    Key West (EYW)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $465Fare subject to changes
    Updated: 1 hour ago

    Ontario (ONT)to

    Key West (EYW)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $465Fare subject to changes
    Updated: 1 hour ago

    Ontario (ONT)to

    Key West (EYW)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $469Fare subject to changes
    Updated: 1 hour 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.

    Citi / AAdvantage credit card offer.