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Ontario California aerial with San Gabriel Mountains
ONT
Ontario
Phoenix skyline with desert mountains
PHX
Phoenix

Ontario → Phoenix

Frontier Airlines · Round Trip · Nonstop

Save $5 (2% off)
Compared to the typical price of $215
$210$215

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
May 31, 2026
Returns
Jun 3, 2026

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