Miami is 50% more expensive than Billings.
When comparing Miami, FL and Billings, MT, the overall cost of living indices are 129 and 86 respectively (national median = 100). Rent is $560/month cheaper in Billings, saving renters about $6,720/year.
Median household income is $12,465/year higher in Billings. Home values also differ significantly — the median in Miami is $475,200 compared to $311,800 in Billings.
Florida has no state income tax, giving Miami residents a significant tax advantage over Montana's 6.75% rate.
Miami vs Billings — common questions
Other cost of living comparisons for Miami and Billings