There are most likely no direct flights on the Ontario — Phoenix 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 Ontario to Phoenix. 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 Ontario to Phoenix, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the Ontario — Phoenix route
In different months, ticket prices from Ontario to Phoenix vary: minimum — $50 (December 2026), maximum — $122 (January 2027). Typically, the flight costs $80–$95.
Flight costs from Ontario to Phoenix climb toward the middle of the period, then start to drop. By choosing the right dates, you can save noticeably.
Prices rise from August 2026 to November 2026 (+79%), then decline from November 2026 to December 2026 (48%). The cheapest tickets are in November 2026–December 2026 (averaging $73), while the priciest are in December 2026–January 2027 ($86).
For savings, plan your flight for November 2026–December 2026 — you could save up to 16%. Try to avoid December 2026–January 2027 when possible: prices are at their highest then.
Price spread on this route is 37.5%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
There appear to be no non-stop flights from Ontario to Phoenix at this time.... Well, or something went wrong on our side and we couldn't find anything
starting at $160
You can fly from Ontario to Phoenix with Frontier Airlines. It is the only carrier on this route, which makes the choice straightforward. Despite the lack of competition, ticket prices remain affordable: fares start from $160. Our service helps you track price changes, compare by dates, and select the most suitable flight. If you value stability and predictability, flying with Frontier Airlines is a convenient solution. We make it easy to find good deals and ensure a comfortable booking process.
The cheapest flight ticket from Ontario to Phoenix according to data for the last 48 hours costs $160
Often the best time to buy tickets from Ontario to Phoenix is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Ontario to Phoenix can be found flying in these months: December, August, November.
The fastest flights from Ontario to Phoenix start from 6 hours 56 minutes in the air.
The following airlines operate direct flights on the route Ontario — Phoenix:
The cheapest one-way flight from Ontario to Phoenix departs on 08/08/2026, is operated by Frontier Airlines and costs $160
There is no information about the cheapest roundtrip flight from Ontario to Phoenix
Fastest flight from Ontario to Phoenix takes 6h 56m
There are no direct flights on this route.
The distance between Ontario and Phoenix is 518km (321 miles). The time difference between Ontario and Phoenix is 1h
We couldn't find any special offers for flights from Ontario to Phoenix