Flights from Ontario/LA, CA to Atlanta, GA

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Best Deals on Flights From Ontario/LA, CA (ONT) to Atlanta, GA (ATL)

Sep 2026
from$254*
Last seen: 12 hours ago
One-way/Economy
Oct 2026
from$80*
Last seen: 18 hours ago
One-way/Economy
Nov 2026
from$80*
Last seen: 4 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $131
cmp-daily-histogram-bars-legend-max-price-aria-label $260
Displaying fares for September-2026
  • ONT–ATL: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

    SEP

  • ONT–ATL: cmp-view-offers-disclaimer. Find Offers
    24

    Thu

  • ONT–ATL, Sep 25, 2026: from $254
    25

    Fri

  • ONT–ATL, Sep 26, 2026: from $254
    26

    Sat

  • ONT–ATL, Sep 27, 2026: from $254
    27

    Sun

  • ONT–ATL, Sep 28, 2026: from $254
    28

    Mon

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

    Tue

  • ONT–ATL, Sep 30, 2026: from $254
    30

    Wed

  • ONT–ATL, Oct 1, 2026: from $260
    01

    Thu

    OCT

  • ONT–ATL, Oct 2, 2026: from $254
    02

    Fri

  • ONT–ATL: cmp-view-offers-disclaimer. Find Offers
    03

    Sat

  • ONT–ATL: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

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    05

    Mon

  • ONT–ATL, Oct 6, 2026: from $223
    06

    Tue

  • ONT–ATL, Oct 7, 2026: from $223
    07

    Wed

  • ONT–ATL, Oct 8, 2026: from $223
    08

    Thu

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

    Fri

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

    Sat

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

    Sun

  • ONT–ATL, Oct 12, 2026: from $223
    12

    Mon

  • ONT–ATL: cmp-view-offers-disclaimer. Find Offers
    13

    Tue

  • ONT–ATL, Oct 14, 2026: from $131
    14

    Wed

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

    Thu

  • ONT–ATL: cmp-view-offers-disclaimer. Find Offers
    16

    Fri

  • ONT–ATL: cmp-view-offers-disclaimer. Find Offers
    17

    Sat

  • ONT–ATL: cmp-view-offers-disclaimer. Find Offers
    18

    Sun

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

    Mon

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

    Tue

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

    Wed

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

    Thu

    • Range$131-$260

    *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 Ontario/LA, CA to Atlanta, GA on Frontier

    $
    Flights Deals from Ontario/LA, CA to Atlanta, GA on Frontier
    From
    To
    Ontario/LA, CA (ONT)Atlanta, GA (ATL)One-way
    /
    Discount Den Basic Fare    		Departing Jan 21, 2027

    From

    $140

    Last seen: 19 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®.

    Ontario/LA, CA Atlanta, GA

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