Flights Houston — Ontario is a popular route. The straight-line distance is 2 150 km. Flight time 3h 2m. Time difference -2h.
From Houston (HOU) flights depart from 2 airports: HOU, IAH. To Ontario (ONT) — 1 arrival airport: ONT.
3 airlines operate on this route: Frontier Airlines, Southwest Airlines, United Airlines.
The minimum price for the next 3 months — from $91 (05.12.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $134, ranging from $91 to $170. Book 1–3 months in advance to get the best deals.
Cheapest day to fly — Saturday.