Cheap flights from Houston to Ontario
From 162 USD — compare hundreds of airlines
About this route
Compare flights from Houston to Ontario, a about 2,150 km route (around 3h 11m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as United Airlines operate this route.
Prices by date
Airlines on this route
FAQ
What's the cheapest month to fly Houston to Ontario?
It's usually 2026-07, from 72 USD. Use the price calendar to compare other dates.
How long is the flight from Houston to Ontario?
A nonstop flight takes about 3h 11m and covers around 2,150 km. Connecting itineraries take longer.
Are there direct flights from Houston to Ontario?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Houston to Ontario?
United Airlines operate this route, among others. Compare them all in the results.
When should I book Houston–Ontario flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.