Honolulu is 103% more expensive than Billings.
When comparing Honolulu, HI and Billings, MT, the overall cost of living indices are 175 and 86 respectively (national median = 100). Rent is $686/month cheaper in Billings, saving renters about $8,232/year.
Median household income is $13,573/year higher in Honolulu. Home values also differ significantly — the median in Honolulu is $834,100 compared to $311,800 in Billings.
Montana has a lower income tax rate, making Billings slightly more tax-friendly.
Honolulu vs Billings — common questions
Other cost of living comparisons for Honolulu and Billings