FFL Helper
Ontario ONT
$90
IAH → ONT · Frontier Airlines
FFL Helper / Houston / Ontario
HOU → ONT
Houston to Ontario
Compare one-way fares for flights from Houston to Ontario.
Lowest fare
$90
Distance
1,336 mi
Flight time
12h 21m
Airports
IAH–ONT
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By month: October 2026 from $90
Price calendar
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Upcoming dates
About this route
This calendar shows dated one-way fares from Houston to Ontario. Use it to see which days are cheaper before you search tickets.
Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Houston to Ontario.