Flights from Kansas City, MO to Ontario/LA, CA

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Best Deals on Flights From Kansas City, MO (MCI) to Ontario/LA, CA (ONT)

Nov 2026
from$164*
Last seen: 26 mins ago
One-way/Economy
Dec 2026
from$108*
Last seen: 3 hours ago
One-way/Economy
Jan 2027
No results for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $164
Displaying fares for November-2026
  • MCI–ONT: cmp-view-offers-disclaimer. Find Offers
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    NOV

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  • MCI–ONT, Nov 13, 2026: from $239
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  • MCI–ONT, Nov 14, 2026: from $189
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  • MCI–ONT, Nov 15, 2026: from $239
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  • MCI–ONT, Nov 16, 2026: from $239
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  • MCI–ONT, Nov 17, 2026: from $164
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  • MCI–ONT, Nov 19, 2026: from $204
    19

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  • MCI–ONT, Nov 23, 2026: from $204
    23

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  • MCI–ONT, Nov 24, 2026: from $232
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  • MCI–ONT, Nov 25, 2026: from $204
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    DEC

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    • Range$164-$239

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Kansas City, MO to Ontario/LA, CA on Frontier

    $
    Flights Deals from Kansas City, MO to Ontario/LA, CA on Frontier
    From
    To
    Kansas City, MO (MCI)Ontario/LA, CA (ONT)One-way
    /
    Discount Den Basic Fare    		Departing Feb 10, 2027

    From

    $98

    Last seen: 3 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Kansas City, MO Ontario/LA, CA

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