Flights from Houston, TX to Ontario/LA, CA

Promo Code

Best Deals on Flights From Houston, TX (IAH) to Ontario/LA, CA (ONT)

Oct 2026
from$234*
Last seen: 1 hour ago
One-way/Economy
Nov 2026
from$58*
Last seen: 2 hours ago
One-way/Economy
Dec 2026
from$53*
Last seen: 22 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $58
cmp-daily-histogram-bars-legend-max-price-aria-label $234
Displaying fares for October-2026
  • IAH–ONT: cmp-view-offers-disclaimer. Find Offers
    28

    Wed

    OCT

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

    Thu

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

    Fri

  • IAH–ONT, Oct 31, 2026: from $234
    31

    Sat

  • IAH–ONT, Nov 1, 2026: from $234
    01

    Sun

    NOV

  • IAH–ONT, Nov 2, 2026: from $234
    02

    Mon

  • IAH–ONT, Nov 3, 2026: from $159
    03

    Tue

  • IAH–ONT, Nov 4, 2026: from $159
    04

    Wed

  • IAH–ONT, Nov 5, 2026: from $199
    05

    Thu

  • IAH–ONT, Nov 6, 2026: from $199
    06

    Fri

  • IAH–ONT, Nov 7, 2026: from $159
    07

    Sat

  • IAH–ONT, Nov 8, 2026: from $177
    08

    Sun

  • IAH–ONT, Nov 9, 2026: from $177
    09

    Mon

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

    Tue

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

    Wed

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

    Thu

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

    Fri

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

    Sat

  • IAH–ONT, Nov 15, 2026: from $87
    15

    Sun

  • IAH–ONT, Nov 16, 2026: from $81
    16

    Mon

  • IAH–ONT, Nov 17, 2026: from $61
    17

    Tue

  • IAH–ONT, Nov 18, 2026: from $58
    18

    Wed

  • IAH–ONT, Nov 19, 2026: from $62
    19

    Thu

  • IAH–ONT, Nov 20, 2026: from $75
    20

    Fri

  • IAH–ONT, Nov 21, 2026: from $73
    21

    Sat

  • IAH–ONT, Nov 22, 2026: from $78
    22

    Sun

  • IAH–ONT, Nov 23, 2026: from $58
    23

    Mon

  • IAH–ONT, Nov 24, 2026: from $59
    24

    Tue

  • IAH–ONT: cmp-view-offers-disclaimer. Find Offers
    25

    Wed

  • IAH–ONT, Nov 26, 2026: from $62
    26

    Thu

  • IAH–ONT, Nov 27, 2026: from $123
    27

    Fri

    • Range$58-$234

    *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 Houston, TX to Ontario/LA, CA on Frontier

    $
    Flights Deals from Houston, TX to Ontario/LA, CA on Frontier
    From
    To
    Houston, TX (IAH)Ontario/LA, CA (ONT)One-way
    /
    Discount Den Basic Fare    		Departing Mar 16, 2027

    From

    $234

    Last seen: 13 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®.

    Houston, TX Ontario/LA, CA

    Barclays Badge

    Earn up to 60,000 Miles after qualifying activity. Terms apply.