Cheap flights from Houston George Bush Intcntl Airport to Ontario from $219

The month of October is, on average, the cheapest month to fly to Region of Ontario from Houston George Bush Intcntl Airport, with most prices found around $500. If you aren’t able to travel during the month of October, then book flights to Region of Ontario from Houston George Bush Intcntl Airport during September instead. Flights to Region of Ontario in September, while not as cheap as those in October, still average around $558.

According to our data, Tuesday is the cheapest day to fly to Region of Ontario from Houston George Bush Intcntl Airport. The lowest ticket price found for a Tuesday departure recently was $792. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Houston George Bush Intcntl Airport to Region of Ontario on a Monday will generally be more expensive and average around $927. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Houston George Bush Intcntl Airport to Region of Ontario in the afternoon for as low as $757. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,499.

Fly from Houston George Bush Intcntl to Toronto Pearson Intl for the best Houston George Bush Intcntl - Ontario flight prices

You are more likely to see cheaper flights to Region of Ontario from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $689 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Houston George Bush Intcntl Airport for as low as $460 on momondo.

There are 4 cabin classes available to choose from on Houston George Bush Intcntl Airport to Region of Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, United Airlines, and Air Canada are the most popular carriers operating from Houston George Bush Intcntl to Ontario

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Region of Ontario from Houston George Bush Intcntl Airport according to our data. Air Canada is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 4 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

12 flights are operational daily from Houston George Bush Intcntl Airport to Region of Ontario as of October 2026. The most popular departure time for this route is 12:00PM, with 40% of flights per day taking off at noon.

As of October 2026, 85 flights take off from Houston George Bush Intcntl Airport and land in Region of Ontario each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.