Cheap flights from Ontario to Phoenix
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How to find the cheapest flight from
Ontario to Phoenix (PHX)
How far in advance should I book a flight from Ontario to Phoenix?
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 10% on flights from Ontario to Phoenix compared to booking the week you need them. Waiting 51 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 624. For sooner than that we have options available in the next 3 days from C$ 635.