Flights from Oakland, CA to Ontario/LA, CA

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Best Deals on Flights From Oakland, CA (OAK) to Ontario/LA, CA (ONT)

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Aug 2026
No results for this month.
Sep 2026
from$109*
Last seen: 15 hours ago
One-way/Economy
Oct 2026
from$98*
Last seen: 15 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $169
Displaying fares for August-2026
  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

    AUG

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • OAK–ONT, Sep 2, 2026: from $159
    02

    Wed

  • OAK–ONT, Sep 3, 2026: from $159
    03

    Thu

  • OAK–ONT, Sep 4, 2026: from $159
    04

    Fri

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • OAK–ONT, Sep 6, 2026: from $149
    06

    Sun

  • OAK–ONT, Sep 7, 2026: from $169
    07

    Mon

  • OAK–ONT, Sep 8, 2026: from $149
    08

    Tue

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

  • OAK–ONT, Sep 12, 2026: from $149
    12

    Sat

  • OAK–ONT, Sep 13, 2026: from $129
    13

    Sun

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

    Mon

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

    Tue

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    16

    Wed

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    17

    Thu

  • OAK–ONT, Sep 18, 2026: from $129
    18

    Fri

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

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    24

    Thu

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    25

    Fri

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    26

    Sat

  • OAK–ONT, Sep 27, 2026: from $109
    27

    Sun

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

    • Range$109-$169

    *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 Oakland, CA 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®.

    Oakland, CA Ontario/LA, CA

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