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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 February , March 2026

26 Feb - 11 Mar $ 129.00
ONT
Ontario
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
07 Feb - 17 Mar $ 470.00
ONT
Ontario
United Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
United Airlines
1 STOPS
ONT
Ontario
Pick dates
07 Feb - 17 Mar $ 470.00
ONT
Ontario
United Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
United Airlines
1 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Phoenix

26 Feb - 01 Mar $ 161.00
ONT
Ontario
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
ONT
Ontario
Pick dates
16 Feb - 28 Feb $ 548.00
ONT
Ontario
Hawaiian Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Hawaiian Airlines
1 STOPS
ONT
Ontario
Pick dates
14 Feb - 28 Feb $ 727.00
ONT
Ontario
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
ONT
Ontario
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One-way flights to Phoenix from Ontario

3:24 PM - 8:23 PM
Frontier Airlines
1 Stops
6h 19m
ONT - PHX
$ 65
Kiwi
Pick dates
1:18 PM - 7:32 PM
Frontier Airlines
2 Stops
31h 23m
ONT - PHX
$ 231
Kiwi
Pick dates
6:37 PM - 8:46 PM
United Airlines
1 Stops
4h 14m
ONT - PHX
$ 236
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.