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Flights from Houston to Ontario
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Find Houston to Ontario flights starting at CAD 54.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        IAH12:10
        3h 23m
        Nonstop
        ONT13:33
        Wed, Jan 1|Houston - Ontario|Frontier Airlines
        CAD 54CAD 79
        32% OFF
        32% OFF
        CAD 79CAD 54

        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 CAD 54 including taxes and charges.

      • IAH19:10
        3h 36m
        Nonstop
        ONT20:46
        Mon, Feb 3|Houston - Ontario|Frontier Airlines
        CAD 55CAD 79
        31% OFF
        31% OFF
        CAD 79CAD 55

        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 CAD 55 including taxes and charges.

      • IAH15:09
        3h 23m
        Nonstop
        ONT16:32
        Mon, Jan 6|Houston - Ontario|Frontier Airlines
        CAD 66CAD 79
        17% OFF
        17% OFF
        CAD 79CAD 66

        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 CAD 66 including taxes and charges.

      • IAH19:02
        3h 23m
        Nonstop
        ONT20:25
        Fri, Jan 10|Houston - Ontario|Frontier Airlines
        CAD 70
        CAD 70

        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 CAD 70 including taxes and charges.

      • IAH19:02
        3h 36m
        Nonstop
        ONT20:38
        Fri, Jan 24|Houston - Ontario|Frontier Airlines
        CAD 71
        CAD 71

        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 CAD 71 including taxes and charges.

      • IAH12:07
        3h 36m
        Nonstop
        ONT13:43
        Tue, Mar 18|Houston - Ontario|Frontier Airlines
        CAD 71
        CAD 71

        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 CAD 71 including taxes and charges.

      • IAH12:07
        3h 36m
        Nonstop
        ONT13:43
        Wed, Mar 12|Houston - Ontario|Frontier Airlines
        CAD 71
        CAD 71

        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 CAD 71 including taxes and charges.

      • IAH12:07
        3h 36m
        Nonstop
        ONT13:43
        Tue, Mar 11|Houston - Ontario|Frontier Airlines
        CAD 71
        CAD 71

        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 CAD 71 including taxes and charges.

      • HOU18:16
        7h 31m
        1 stop
        ONT23:47
        Wed, Jan 15|Houston - Ontario|Frontier Airlines
        CAD 61
        CAD 61

        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 CAD 61 including taxes and charges.

      • HOU18:18
        7h 26m
        1 stop
        ONT23:44
        Wed, Jan 8|Houston - Ontario|Frontier Airlines
        CAD 64
        CAD 64

        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 CAD 64 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.

When is the cheapest time to fly from Houston to Ontario?

We monitor flight fares to help you find the best deals effortlessly

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

Find Cheapest Airlines Flying from Houston to Ontario

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From CAD 54
American Airlines
From CAD 154
Delta Air Lines
From CAD 185
Southwest Airlines
From CAD 207
United Airlines
From CAD 210
Alaska Airlines
From CAD 210
Spirit Airlines
From CAD 616

Find more flights and airlines

Alternative Routes for Houston to Ontario Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Houston to Ontario.

  • Cheapest
    Frontier Airlines
    IAH
    12:10
    3h 23m
    Nonstop
    ONT
    13:33
    George Bush Intercontinental Airport - Ontario International Airport
    Wed, Jan 1Frontier Airlines
    CAD 54
  • Frontier Airlines
    HOU
    18:16
    7h 31m
    1 transfer
    ONT
    23:47
    William P. Hobby Airport - Ontario International Airport
    Wed, Jan 15Frontier Airlines
    CAD 61
  • Frontier Airlines
    HOU
    18:16
    7h 31m
    1 transfer
    ONT
    23:47
    William P. Hobby Airport - Ontario International Airport
    Wed, Jan 15Frontier Airlines
    CAD 61
    Find More Flights

FAQ

  • When are flight tickets 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 cheapest 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 CAD 370.

  • 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

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Houston to Ontario. Book your flights at the right time and save more.
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 for Houston to Ontario Flights

Cheapest direct flight priceCAD 53
Cheapest return ticket priceCAD 118
Off-season travel monthFebruary
Peak season for travelFebruary
Flight distance10,519.53km
Popular airlineUnited Airlines

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