Direct flights from Ontario to Houston ONT → IAH
Frontier Airlines and United Airlines fly nonstop from Ontario (ONT) to Houston (IAH). The flight takes about 3h 15m and covers 1,331 miles (2,142 km). Arrivals run on time 78.9% at ONT and 78.1% at IAH — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
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Frontier Airlines
F9
United Airlines
UA
Frequently asked questions
Is there a direct flight from Ontario to Houston?
Yes, Frontier Airlines and United Airlines operate nonstop flights from Ontario (ONT) to Houston (IAH).
Which airlines fly direct from Ontario to Houston?
Frontier Airlines, United Airlines operate nonstop flights from Ontario to Houston.
How long is the flight from Ontario to Houston?
The nonstop flight from Ontario to Houston takes ~3h 15m (approximately 2142 km).
What is the on-time performance for flights from Ontario to Houston?
Arrivals run on time 78.9% at ONT and 78.1% at IAH — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
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