Flights from Ontario/LA, CA to Phoenix, AZ

Promo Code

Best Deals on Flights From Ontario/LA, CA (ONT) to Phoenix, AZ (PHX)

Nov 2026
from$127*
Last seen: 3 hours ago
One-way/Economy
Dec 2026
from$56*
Last seen: 8 hours ago
One-way/Economy
Jan 2027
from$62*
Last seen: 6 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $69
cmp-daily-histogram-bars-legend-max-price-aria-label $230
Displaying fares for November-2026
  • ONT–PHX: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

    NOV

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

    Sat

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

    Sun

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

    Mon

  • ONT–PHX, Nov 17, 2026: from $181
    17

    Tue

  • ONT–PHX, Nov 18, 2026: from $181
    18

    Wed

  • ONT–PHX, Nov 19, 2026: from $184
    19

    Thu

  • ONT–PHX, Nov 20, 2026: from $184
    20

    Fri

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

    Sat

  • ONT–PHX, Nov 22, 2026: from $127
    22

    Sun

  • ONT–PHX, Nov 23, 2026: from $133
    23

    Mon

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

    Tue

  • ONT–PHX, Nov 25, 2026: from $144
    25

    Wed

  • ONT–PHX, Nov 26, 2026: from $138
    26

    Thu

  • ONT–PHX: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

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

    Sat

  • ONT–PHX, Nov 29, 2026: from $230
    29

    Sun

  • ONT–PHX: cmp-view-offers-disclaimer. Find Offers
    30

    Mon

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

    Tue

    DEC

  • ONT–PHX, Dec 2, 2026: from $70
    02

    Wed

  • ONT–PHX, Dec 3, 2026: from $69
    03

    Thu

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

    Fri

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

    Sat

  • ONT–PHX: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • ONT–PHX: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • ONT–PHX: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

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

    Wed

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

    Thu

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

    Fri

  • ONT–PHX: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

    • Range$69-$230

    *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 Phoenix, AZ on Frontier

    $
    Flights Deals from Ontario/LA, CA to Phoenix, AZ on Frontier
    From
    To
    Ontario/LA, CA (ONT)Phoenix, AZ (PHX)One-way
    /
    Discount Den Basic Fare    		Departing Feb 18, 2027

    From

    $60

    Last seen: 2 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 Phoenix, AZ

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