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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 March , April 2026

30 Mar - 01 Apr $ 166.00
ONT
Ontario
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
ONT
Ontario
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09 Mar - 07 Apr $ 506.00
ONT
Ontario
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
ONT
Ontario
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10 Mar - 01 Apr $ 716.00
ONT
Ontario
Hawaiian Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Hawaiian Airlines
1 STOPS
ONT
Ontario
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Last minute flights from Ontario to Phoenix

23 Mar - 31 Mar $ 237.00
ONT
Ontario
United Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
United Airlines
1 STOPS
ONT
Ontario
Pick dates
08 Mar - 31 Mar $ 407.00
ONT
Ontario
United Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
United Airlines
1 STOPS
ONT
Ontario
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08 Mar - 31 Mar $ 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

11:17 AM - 3:26 PM
Frontier Airlines
1 Stops
5h 34m
ONT - PHX
$ 84
Kiwi
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1:40 PM - 4:26 PM
United Airlines
1 Stops
4h 49m
ONT - PHX
$ 289
Kiwi
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6:37 PM - 8:46 PM
United Airlines
1 Stops
4h 14m
ONT - PHX
$ 352
Kiwi
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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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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.