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Cheap Flight Deals from Houston to Ontario

For as little as AU$ 60, you can take your next adventure to Ontario without breaking the bank. Choose between one-way and return tickets from Houston below.

  • One way
  • Return
      • Cheapest nonstop
        IAH12:10
        3h 23m
        Nonstop
        ONT13:33
        Wed, Jan 1|Houston - Ontario|Frontier Airlines
        AU$ 60AU$ 88
        32% OFF
        32% OFF
        AU$ 88AU$ 60

        Choose Frontier Airlines flights from Houston to Ontario. The one-way direct flight with Frontier Airlines departs from George Bush Intercontinental Airport on Wed, Jan 1, arriving at Ontario International Airport. One-way Prices start from AU$ 60 including taxes and charges.

      • IAH19:10
        3h 36m
        Nonstop
        ONT20:46
        Mon, Feb 3|Houston - Ontario|Frontier Airlines
        AU$ 61AU$ 88
        31% OFF
        31% OFF
        AU$ 88AU$ 61

        Choose Frontier Airlines flights from Houston to Ontario. The one-way direct flight with Frontier Airlines departs from George Bush Intercontinental Airport on Mon, Feb 3, arriving at Ontario International Airport. One-way Prices start from AU$ 61 including taxes and charges.

      • IAH15:09
        3h 23m
        Nonstop
        ONT16:32
        Mon, Jan 6|Houston - Ontario|Frontier Airlines
        AU$ 73AU$ 88
        17% OFF
        17% OFF
        AU$ 88AU$ 73

        Choose Frontier Airlines flights from Houston to Ontario. The one-way direct flight with Frontier Airlines departs from George Bush Intercontinental Airport on Mon, Jan 6, arriving at Ontario International Airport. One-way Prices start from AU$ 73 including taxes and charges.

      • IAH19:02
        3h 23m
        Nonstop
        ONT20:25
        Fri, Jan 10|Houston - Ontario|Frontier Airlines
        AU$ 78
        AU$ 78

        Choose Frontier Airlines flights from Houston to Ontario. The one-way direct flight with Frontier Airlines departs from George Bush Intercontinental Airport on Fri, Jan 10, arriving at Ontario International Airport. One-way Prices start from AU$ 78 including taxes and charges.

      • IAH19:02
        3h 36m
        Nonstop
        ONT20:38
        Fri, Jan 24|Houston - Ontario|Frontier Airlines
        AU$ 79
        AU$ 79

        Choose Frontier Airlines flights from Houston to Ontario. The one-way direct flight with Frontier Airlines departs from George Bush Intercontinental Airport on Fri, Jan 24, arriving at Ontario International Airport. One-way Prices start from AU$ 79 including taxes and charges.

      • IAH12:07
        3h 36m
        Nonstop
        ONT13:43
        Tue, Mar 18|Houston - Ontario|Frontier Airlines
        AU$ 79
        AU$ 79

        Choose Frontier Airlines flights from Houston to Ontario. The one-way direct flight with Frontier Airlines departs from George Bush Intercontinental Airport on Tue, Mar 18, arriving at Ontario International Airport. One-way Prices start from AU$ 79 including taxes and charges.

      • IAH12:07
        3h 36m
        Nonstop
        ONT13:43
        Wed, Mar 12|Houston - Ontario|Frontier Airlines
        AU$ 79
        AU$ 79

        Choose Frontier Airlines flights from Houston to Ontario. The one-way direct flight with Frontier Airlines departs from George Bush Intercontinental Airport on Wed, Mar 12, arriving at Ontario International Airport. One-way Prices start from AU$ 79 including taxes and charges.

      • IAH12:07
        3h 36m
        Nonstop
        ONT13:43
        Tue, Mar 11|Houston - Ontario|Frontier Airlines
        AU$ 79
        AU$ 79

        Choose Frontier Airlines flights from Houston to Ontario. The one-way direct flight with Frontier Airlines departs from George Bush Intercontinental Airport on Tue, Mar 11, arriving at Ontario International Airport. One-way Prices start from AU$ 79 including taxes and charges.

      • HOU18:16
        7h 31m
        1 stop
        ONT23:47
        Wed, Jan 15|Houston - Ontario|Frontier Airlines
        AU$ 68
        AU$ 68

        Choose Frontier Airlines flights from Houston to Ontario. The one-way connecting flight with Frontier Airlines departs from William P. Hobby Airport on Wed, Jan 15, arriving at Ontario International Airport. One-way Prices start from AU$ 68 including taxes and charges.

      • HOU18:18
        7h 26m
        1 stop
        ONT23:44
        Wed, Jan 8|Houston - Ontario|Frontier Airlines
        AU$ 72
        AU$ 72

        Choose Frontier Airlines flights from Houston to Ontario. The one-way connecting flight with Frontier Airlines departs from William P. Hobby Airport on Wed, Jan 8, arriving at Ontario International Airport. One-way Prices start from AU$ 72 including taxes and charges.

      • HOU01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Mon, Dec 30|Houston - Ontario|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Best Time to Book Flights from Houston to Ontario

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Ontario from Houston have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Top Airlines Flying from Houston to Ontario

Which airline provides the cheapest flights from Houston to Ontario? Discover the option that best suits your travel needs before embarking on your journey.

Frontier Airlines
From AU$ 60
American Airlines
From AU$ 172
Delta Air Lines
From AU$ 206
Southwest Airlines
From AU$ 230
United Airlines
From AU$ 234
Alaska Airlines
From AU$ 234
Spirit Airlines
From AU$ 687

Find more flights and airlines

Alternative Routes from Houston to Ontario

There are various non-direct routes from Houston to Ontario which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

  • Cheapest
    Frontier Airlines
    IAH
    12:10
    3h 23m
    Nonstop
    ONT
    13:33
    George Bush Intercontinental Airport - Ontario International Airport
    Wed, Jan 1Frontier Airlines
    AU$ 60
  • Frontier Airlines
    HOU
    18:16
    7h 31m
    1 transfer
    ONT
    23:47
    William P. Hobby Airport - Ontario International Airport
    Wed, Jan 15Frontier Airlines
    AU$ 68
  • Frontier Airlines
    HOU
    18:16
    7h 31m
    1 transfer
    ONT
    23:47
    William P. Hobby Airport - Ontario International Airport
    Wed, Jan 15Frontier Airlines
    AU$ 68
    Find More Flights

FAQ

  • When are flight from Houston (HOU) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Houston to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Houston (HOU) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around AU$ 411.

  • What's the most popular airline for direct flights from Houston (HOU) to Ontario (ONT)?

    United Airlines operates 2 direct flights from Houston (HOU) to Ontario (ONT).

How to find a cheap flight from Houston to Ontario

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Houston to Ontario

Cheapest direct flight priceAU$ 59
Cheapest return ticket priceAU$ 132
Off-season for travelFebruary
Peak season for travelFebruary
Flight distance10,519.53km
Popular airlineUnited Airlines

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