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IAH (Houston) to ONT (Ontario) Flights $335.6

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Cheap IAH to ONT Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Orange County


Long Beach


Interesting Facts About Flights from Houston to Ontario (IAH to ONT)

Question : When flying into Ontario, is Ontario International Airport your cheapest option?
Answer : Luckily for you, there is another airport near Ontario. John Wayne Airport (SNA) is 30 miles away, and over the next two months flights are being booked 12% cheaper than flights to Ontario International Airport.

Question : Should you take that vacation to Ontario in the next 30 days?
Answer : As of Jul 24th, the best day for deals to Ontario (ONT) is Aug 20th. It costs $345, which is 22% below this route's average price.

Question : How often are flights late from George Bush Intercontinental Airport (IAH) to Ontario International Airport (ONT)?
Answer : The Houston to Ontario route has a 69% on-time rate, ranking in the 45th percentile worldwide in getting their passengers to their destinations on schedule. When a flight is late, it's a 30-minute delay on average.

Question : If punctuality is required for you to book a flight, which airline is your best bet?
Answer : United Airlines leads the way with a 100% on-time rate. Don't spend more time waiting in an airport than you have to and stick with United Airlines on this route. Perfection is hard to come by, so hopefully it continues.

Question : What is the cheapest round-trip ticket you can get to Ontario?
Answer : Ticket costs are hitting highs of $973 over the next three months when flying to ONT from IAH. Check out American Airlines, as they have been booking customers at just $336.

Question : How much should a trip from Houston (IAH) to Ontario (ONT) cost?
Answer : Ranging from $336 to $973, prices for IAH to ONT fluctuate less than most routes in the United States. The further out you book a route, the more likely you are to save.

Question : Who struggles with getting their passengers to Ontario International Airport (ONT) on time?
Answer : 71% of UPS flights from George Bush Intercontinental Airport (IAH) to Ontario International Airport (ONT) are delayed. If you’re on UPS, be sure to sign up for the delay notifications to stay up to date with your flight’s status.