Boston is 105% more expensive than Billings.
When comparing Boston, MA and Billings, MT, the overall cost of living indices are 176 and 86 respectively (national median = 100). Rent is $996/month cheaper in Billings, saving renters about $11,952/year.
Median household income is $22,900/year higher in Boston. Home values also differ significantly — the median in Boston is $710,400 compared to $311,800 in Billings.
Montana has a lower income tax rate, making Billings slightly more tax-friendly.
Boston vs Billings — common questions
Other cost of living comparisons for Boston and Billings