There are most likely no direct flights on the Phoenix — Ontario route
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A non-stop flight is the most convenient and comfortable way to fly from Phoenix 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 Phoenix — Ontario route
Phoenix — Ontario
06/05/2026
Departure
Direct flight
AA2244
starting at $363
Phoenix — Ontario
06/12/2026
Departure
Direct flight
WN759
starting at $305
starting at $363
starting at $305
starting at $175
Flights from Phoenix to Ontario are operated by several airlines — American Airlines, Southwest Airlines, and Frontier Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $175, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.
The cheapest one-way flight from Phoenix to Ontario departs on 06/05/2026, is operated by Frontier Airlines and costs $175
There is no information about the cheapest roundtrip flight from Phoenix to Ontario
Fastest flight from Phoenix to Ontario takes 4h 56m
There are direct flights on this route 1 day a week: Fr
The distance between Phoenix and Ontario is 518km (321 miles). There are 8 direct flights from Phoenix to Ontario. The time difference between Phoenix and Ontario is 1h. Flights from Phoenix begin at 7:50 AM. The latest flight from Phoenix departs at 10:55 PM
The cheapest flight ticket from Phoenix to Ontario according to data for the last 48 hours costs $175
Often the best time to buy tickets from Phoenix to Ontario is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Phoenix to Ontario can be found flying in these months: October, July, June.
The fastest flights from Phoenix to Ontario start from 4 hours 56 minutes in the air.
The following airlines operate direct flights on the route Phoenix — Ontario: American Airlines, Southwest Airlines
The cost of a one-way flight from Phoenix to Ontario ranges from $68 (October 2026) to $134 (June 2026). On average, the ticket price is about $99–$228.
Tickets from Phoenix to Ontario are getting cheaper month by month. From June 2026 to October 2026, the decline reached 49% — and that may not be the limit.
The most notable drop occurred from June 2026 to October 2026 — down 49%. The best period is July 2026–October 2026 (averaging $81), while the most expensive is June 2026–July 2026 ($114).
Since prices are falling, there's no rush to buy. The most cost-effective travel period is July 2026–October 2026: savings compared to expensive months can reach up to 29%.
Monthly price variation is 27.7%. Choosing the right departure date can lead to significant savings on this route.
We couldn't find any special offers for flights from Phoenix to Ontario