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Find cheap one-way flights from Houston to Ontario starting at €36.

Whether you’re going for a one-way or round-trip to Ontario, we’ve got you covered! Check out these different flight options from Houston below.

  • One way
  • Round-trip
      • Cheapest nonstop
        IAH19:10
        3h 36m
        Nonstop
        ONT20:46
        Mon, Feb 3|Houston - Ontario|Frontier Airlines
        €36€62
        41% OFF
        41% OFF
        €62€36

        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 €36 including taxes and charges.

      • IAH12:07
        3h 36m
        Nonstop
        ONT13:43
        Tue, Mar 25|Houston - Ontario|Frontier Airlines
        €37€62
        40% OFF
        40% OFF
        €62€37

        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 25, arriving at Ontario International Airport.One-way Prices start from €37 including taxes and charges.

      • IAH19:02
        3h 23m
        Nonstop
        ONT20:25
        Mon, Jan 13|Houston - Ontario|Frontier Airlines
        €45€62
        28% OFF
        28% OFF
        €62€45

        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 13, arriving at Ontario International Airport.One-way Prices start from €45 including taxes and charges.

      • IAH12:07
        3h 36m
        Nonstop
        ONT13:43
        Wed, Mar 12|Houston - Ontario|Frontier Airlines
        €47
        €47

        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 €47 including taxes and charges.

      • IAH19:02
        3h 23m
        Nonstop
        ONT20:25
        Fri, Jan 10|Houston - Ontario|Frontier Airlines
        €48
        €48

        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 €48 including taxes and charges.

      • IAH12:07
        3h 36m
        Nonstop
        ONT13:43
        Tue, Mar 11|Houston - Ontario|Frontier Airlines
        €48
        €48

        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 €48 including taxes and charges.

      • IAH19:10
        3h 36m
        Nonstop
        ONT20:46
        Fri, Jan 31|Houston - Ontario|Frontier Airlines
        €50
        €50

        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 31, arriving at Ontario International Airport.One-way Prices start from €50 including taxes and charges.

      • HOU18:18
        7h 26m
        1 stop
        ONT23:44
        Wed, Jan 8|Houston - Ontario|Frontier Airlines
        €43
        €43

        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 €43 including taxes and charges.

      • IAH13:14
        12h 30m
        1 stop
        ONT23:44
        Tue, Jan 14|Houston - Ontario|Frontier Airlines
        €43
        €43

        Choose Frontier Airlines flights from Houston to Ontario.The one-way connecting flight with Frontier Airlines departs from George Bush Intercontinental Airport on Tue, Jan 14, arriving at Ontario International Airport.One-way Prices start from €43 including taxes and charges.

      • HOU18:18
        7h 26m
        1 stop
        ONT23:44
        Wed, Jan 15|Houston - Ontario|Frontier Airlines
        €48
        €48

        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 €48 including taxes and charges.

      • HOU01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Tue, Jan 14|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 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.

Cheapest airlines flights 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 €36
American Airlines
From €115
Delta Air Lines
From €123
Southwest Airlines
From €127
Alaska Airlines
From €144
United Airlines
From €156

Find more flights and airlines

Find cheap flights from Houston to Ontario by different airports

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
    19:10
    3h 36m
    Nonstop
    ONT
    20:46
    George Bush Intercontinental Airport - Ontario International Airport
    Mon, Feb 3Frontier Airlines
    €36
  • Frontier Airlines
    HOU
    18:18
    7h 26m
    1 transfer
    ONT
    23:44
    William P. Hobby Airport - Ontario International Airport
    Wed, Jan 8Frontier Airlines
    €43
  • Frontier Airlines
    HOU
    18:18
    7h 26m
    1 transfer
    ONT
    23:44
    William P. Hobby Airport - Ontario International Airport
    Wed, Jan 8Frontier Airlines
    €43
    Find More Flights

Frequently Asked Questions

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

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

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

    According to Trip.com's data, the lowest price is around €246.

How to find a cheap flight from Houston to Ontario

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
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

Houston to Ontario Flight Information

Cheapest nonstop flight price€36
Cheapest round-trip ticket price€80
Off-season for travelFebruary
Peak season for travelFebruary
Flight distance10,519.53 km
Popular airlineUnited Airlines

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