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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 July , August 2026

29 Jul - 15 Aug $ 254.00
ONT
Ontario
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
ONT
Ontario
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28 Jul - 04 Aug $ 586.00
ONT
Ontario
Alaska Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Alaska Airlines
1 STOPS
ONT
Ontario
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29 Jul - 05 Aug $ 968.00
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

28 Jul - 31 Jul $ 543.00
ONT
Ontario
United Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
United Airlines
1 STOPS
ONT
Ontario
Pick dates
28 Jul - 31 Jul $ 544.00
ONT
Ontario
United Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
United Airlines
1 STOPS
ONT
Ontario
Pick dates
27 Jul - 31 Jul $ 622.00
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

6:00 AM - 11:41 AM
Frontier Airlines
1 Stops
6h 40m
ONT - PHX
$ 157
Kiwi
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6:00 AM - 12:22 PM
Frontier Airlines
1 Stops
7h 17m
ONT - PHX
$ 157
Kiwi
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10:49 AM - 5:45 PM
Frontier Airlines
1 Stops
7h 58m
ONT - PHX
$ 157
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)
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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.