Phoenix is 28% cheaper than Ontario.
When comparing Phoenix, AZ and Ontario, CA, the overall cost of living indices are 109 and 152 respectively (national median = 100). Rent is $458/month cheaper in Phoenix, saving renters about $5,496/year.
Median household income is $5,765/year higher in Ontario. Home values also differ significantly — the median in Phoenix is $381,900 compared to $568,000 in Ontario.
Arizona has a lower income tax rate, making Phoenix slightly more tax-friendly.
Phoenix vs Ontario — common questions
Other cost of living comparisons for Phoenix and Ontario