Cheap flights from Phoenix Sky Harbor Intl Airport to Ontario from $112

The month of January is, on average, the cheapest month to fly to Region of Ontario from Phoenix Sky Harbor Intl Airport, with most prices found around $363. If you aren’t able to travel during the month of January, then book flights to Region of Ontario from Phoenix Sky Harbor Intl Airport during June instead. Flights to Region of Ontario in June, while not as cheap as those in January, still average around $384.

According to our data, Thursday is the cheapest day to fly to Region of Ontario from Phoenix Sky Harbor Intl Airport. The lowest ticket price found for a Thursday departure recently was $516. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Phoenix Sky Harbor Intl Airport to Region of Ontario on a Monday will generally be more expensive and average around $792. 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 at noon. momondo users have found flights departing from Phoenix Sky Harbor Intl Airport to Region of Ontario at noon for as low as $457. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $674.

Fly from Phoenix Sky Harbor Intl to Toronto Pearson Intl for the best Phoenix Sky Harbor Intl - Ontario flight prices

You are more likely to see cheaper flights to Region of Ontario from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $425 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 Phoenix Sky Harbor Intl Airport for as low as $267 on momondo.

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl 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.

WestJet, Air Canada, and Delta are the most popular carriers operating from Phoenix Sky Harbor Intl to Ontario

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to Region of Ontario from Phoenix Sky Harbor Intl Airport according to our data. Porter Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 8 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

As of September 2026, 2 flights take off from Phoenix Sky Harbor Intl Airport and land in Region of Ontario each day. The most common flight departure time for this route is 12:00PM, with 100% of daily flights taking off in the afternoon.

The number of flights available between Phoenix Sky Harbor Intl Airport and Region of Ontario is 20 per week as of September 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.