There are most likely no direct flights on the Houston — Ontario route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Houston to Ontario. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Houston to Ontario, despite the fact that sometimes flights with transfers can cost significantly less.
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There are most likely no direct flights on the Houston — Ontario route
Houston — Ontario
09/21/2026
Departure
Direct flight
WN1379
starting at $308
starting at $308
starting at $104
The route Houston — Ontario is served by several airlines: Southwest Airlines and Frontier Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $104 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest one-way flight from Houston to Ontario departs on 09/21/2026, is operated by Frontier Airlines and costs $104
The cheapest roundtrip flight from Houston to Ontario departs on 12/25/2026, is operated by United Airlines and costs $388
Fastest flight from Houston to Ontario takes 8h 17m
There are direct flights on this route 1 day a week: Mo
The distance between Houston and Ontario is 2149km (1332 miles). There are 9 direct flights from Houston to Ontario. The time difference between Houston and Ontario is 2h. Flights from Houston begin at 8:05 AM. The latest flight from Houston departs at 8:50 PM
The cheapest flight ticket from Houston to Ontario according to data for the last 48 hours costs $104
Often the best time to buy tickets from Houston to Ontario is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Houston to Ontario can be found flying in these months: September, October, December.
The fastest flights from Houston to Ontario start from 8 hours 17 minutes in the air.
The following airlines operate direct flights on the route Houston — Ontario: Southwest Airlines
The minimum one-way ticket price from Houston to Ontario is $87 (September 2026), while the maximum is $118 (December 2026). On average, a ticket costs $101–$216.
Tickets from Houston to Ontario are getting more expensive each month. From September 2026 to December 2026, the increase reached 36%, with prices now at $118. It's unlikely to get cheaper than the current level.
The most significant price increase was from September 2026 to December 2026 — up 36%. The best time to fly is September 2026–October 2026, when the average price is $92. In October 2026–December 2026, tickets cost around $108.
Given the rising prices, it's best not to delay your purchase. Flying in September 2026–October 2026 can save you up to 14% compared to the most expensive months.
Price variation across months on this route is 12.8%. Your choice of departure month significantly affects the total flight cost.
We couldn't find any special offers for flights from Houston to Ontario