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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 June , July 2026

30 Jun - 25 Jul $ 274.00
ONT
Ontario
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
ONT
Ontario
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30 Jun - 04 Jul $ 331.00
ONT
Ontario
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
ONT
Ontario
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30 Jun - 04 Jul $ 1,200.00
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

30 Jun - 01 Jul $ 1,138.00
ONT
Ontario
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
ONT
Ontario
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30 Jun - 01 Jul $ 2,195.00
ONT
Ontario
Volaris
1 STOPS
PHX
Phoenix
PHX
Phoenix
Volaris
3 STOPS
ONT
Ontario
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30 Jun - 01 Jul $ 5,670.00
ONT
Ontario
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
2 STOPS
ONT
Ontario
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One-way flights to Phoenix from Ontario

3:34 PM - 9:40 PM
Frontier Airlines
1 Stops
7h 26m
ONT - PHX
$ 160
Kiwi
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3:34 PM - 11:33 AM
Frontier Airlines
1 Stops
21h 21m
ONT - PHX
$ 160
Kiwi
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1:50 PM - 4:25 PM
United Airlines
1 Stops
4h 49m
ONT - PHX
$ 334
Kiwi
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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.