Flights from Houston (IAH) to Ontario (ONT) on Alaska Airlines

Lowest fares from Houston to Ontario

Oct 2026
From$159*
Seen: 19 hours ago
Flight Type One Way|Saver
Nov 2026
From$159*
Seen: 19 hours ago
Flight Type One Way|Saver
Dec 2026
From$229*
Seen: 19 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $159
cmp-daily-histogram-bars-legend-max-price-aria-label $669
Displaying fares for October-2026
  • IAH–ONT, Oct 6, 2026: From $567
    06

    Tu

    OCT

  • IAH–ONT, Oct 7, 2026: From $664
    07

    We

  • IAH–ONT, Oct 8, 2026: From $664
    08

    Th

  • IAH–ONT, Oct 9, 2026: From $664
    09

    Fr

  • IAH–ONT, Oct 10, 2026: From $669
    10

    Sa

  • IAH–ONT, Oct 11, 2026: From $542
    11

    Su

  • IAH–ONT, Oct 12, 2026: From $542
    12

    Mo

  • IAH–ONT, Oct 13, 2026: From $542
    13

    Tu

  • IAH–ONT, Oct 14, 2026: From $542
    14

    We

  • IAH–ONT, Oct 15, 2026: From $542
    15

    Th

  • IAH–ONT, Oct 16, 2026: From $542
    16

    Fr

  • IAH–ONT, Oct 17, 2026: From $542
    17

    Sa

  • IAH–ONT, Oct 18, 2026: From $326
    18

    Su

  • IAH–ONT, Oct 19, 2026: From $326
    19

    Mo

  • IAH–ONT, Oct 20, 2026: From $326
    20

    Tu

  • IAH–ONT, Oct 21, 2026: From $326
    21

    We

  • IAH–ONT, Oct 22, 2026: From $326
    22

    Th

  • IAH–ONT, Oct 23, 2026: From $326
    23

    Fr

  • IAH–ONT, Oct 24, 2026: From $326
    24

    Sa

  • IAH–ONT, Oct 25, 2026: From $264
    25

    Su

  • IAH–ONT, Oct 26, 2026: From $264
    26

    Mo

  • IAH–ONT, Oct 27, 2026: From $159
    27

    Tu

  • IAH–ONT, Oct 28, 2026: From $204
    28

    We

  • IAH–ONT, Oct 29, 2026: From $159
    29

    Th

  • IAH–ONT, Oct 30, 2026: From $209
    30

    Fr

  • IAH–ONT, Oct 31, 2026: From $204
    31

    Sa

  • IAH–ONT, Nov 1, 2026: From $386
    01

    Su

    NOV

  • IAH–ONT, Nov 2, 2026: From $320
    02

    Mo

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

    Tu

  • IAH–ONT, Nov 4, 2026: From $204
    04

    We

  • IAH–ONT, Nov 5, 2026: From $204
    05

    Th

    • Range$159-$669

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Houston to Ontario.*

    $
    keyboard_arrow_down
    One-way low-fare flights Houston to Ontario.*
    From
    To
    Fare Type
    Dates
    Price
    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Oct 27, 2026

    From

    $159

    Seen: 19 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Nov 3, 2026

    From

    $159

    Seen: 19 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Nov 18, 2026

    From

    $159

    Seen: 19 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Oct 29, 2026

    From

    $159

    Seen: 19 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Nov 14, 2026

    From

    $159

    Seen: 19 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Nov 4, 2026

    From

    $204

    Seen: 19 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Oct 28, 2026

    From

    $204

    Seen: 19 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Nov 11, 2026

    From

    $204

    Seen: 19 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    Frequently Asked Questions on flights from Houston (IAH) to Ontario (ONT)

    When is the best time to book a flight from Houston to Ontario?

    Want to find the lowest fares by day and time flying from Houston to Ontario on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.

    Can I earn points on my flight to Ontario?

    Yes, with Atmosâ„¢ Rewards you can earn points on flights to 1000+ destinations worldwide through the growing network of Alaska and Hawaiian Airlines. Not an Atmosâ„¢ Rewards member yet? Learn more and join today.

    Can I rent a car when I arrive at LA/Ontario International Airport?

    Yes, you can rent a car at LA/Ontario International Airport. Check availability and book now

    Where can I find the status of my flight to Ontario?

    You can check the status of your upcoming Alaska Airlines flight on our flight schedule page.

    Where can I find answers to questions about flying with Alaska Airlines?

    Visit the Alaska Airlines Help Center to quickly browse our help pages by category to find the information you need.

    Can I change or cancel my Alaska Airlines flight to Ontario?

    Yes, you can review, modify, or cancel a reservation from our Manage Your Reservation tool. You can learn more about our policy for changing or cancelling a reservation here. 

    Looking for more? See other routes