Flights from Detroit, MI to Ontario/LA, CA

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Best Deals on Flights From Detroit, MI (DTW) to Ontario/LA, CA (ONT)

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Sep 2026
No results for this month.
Oct 2026
from$111*
Last seen: 20 hours ago
One-way/Economy
Nov 2026
from$121*
Last seen: 17 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $111
Displaying fares for September-2026
  • DTW–ONT: cmp-view-offers-disclaimer. Find Offers
    26

    Sat

    SEP

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    27

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  • DTW–ONT, Oct 1, 2026: from $254
    01

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    OCT

  • DTW–ONT, Oct 2, 2026: from $254
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  • DTW–ONT, Oct 10, 2026: from $236
    10

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    11

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    12

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  • DTW–ONT, Oct 13, 2026: from $237
    13

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    14

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    16

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    17

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  • DTW–ONT, Oct 18, 2026: from $254
    18

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    19

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    20

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  • DTW–ONT, Oct 21, 2026: from $111
    21

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    22

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    23

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    • Range$111-$254

    *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 Detroit, MI to Ontario/LA, CA on Frontier

    $
    *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®.

    Detroit, MI Ontario/LA, CA

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