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Cheap flights from Ontario (ONT) to Phoenix (PHX)

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0 Children (2~11)
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How to find the cheapest flight from Ontario (ONT) to Phoenix (PHX)

How to find the cheapest flight from Ontario (ONT) to Phoenix (PHX)
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How to find the cheapest flight from Ontario (ONT) to Phoenix (PHX)
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How to find the cheapest flight from Ontario (ONT) to Phoenix (PHX)
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Cheap flights from Ontario to Phoenix in January , February 2026

26 Jan - 12 Feb $ 202.00
ONT
Ontario
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
ONT
Ontario
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21 Jan - 10 Feb $ 459.00
ONT
Ontario
Hawaiian Airlines
2 STOPS
PHX
Phoenix
PHX
Phoenix
Hawaiian Airlines
2 STOPS
ONT
Ontario
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20 Jan - 04 Feb $ 623.00
ONT
Ontario
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
ONT
Ontario
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Last minute flights from Ontario to Phoenix

26 Jan - 31 Jan $ 282.00
ONT
Ontario
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
ONT
Ontario
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21 Jan - 31 Jan $ 465.00
ONT
Ontario
United Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
United Airlines
1 STOPS
ONT
Ontario
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18 Jan - 31 Jan $ 528.00
ONT
Ontario
United Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
United Airlines
1 STOPS
ONT
Ontario
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One-way flights to Phoenix from Ontario

1:05 PM - 5:44 PM
Frontier Airlines
1 Stops
6h 2m
ONT - PHX
$ 138
Kiwi
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6:39 PM - 8:55 PM
United Airlines
1 Stops
4h 18m
ONT - PHX
$ 266
Kiwi
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5:05 AM - 9:43 AM
United Airlines
1 Stops
5h 44m
ONT - PHX
$ 266
Kiwi
Pick dates

How to find the cheapest flight from Ontario (ONT) to Phoenix (PHX)

Related info for your journey
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How to find the cheapest flight from Ontario (ONT) to Phoenix (PHX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Ontario (ONT) to Phoenix (PHX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.