Honolulu is 165% more expensive than St. Louis.
When comparing Honolulu, HI and St. Louis, MO, the overall cost of living indices are 175 and 66 respectively (national median = 100). Rent is $805/month cheaper in St. Louis, saving renters about $9,660/year.
Median household income is $30,149/year higher in Honolulu. Home values also differ significantly — the median in Honolulu is $834,100 compared to $185,100 in St. Louis.
Missouri has a lower income tax rate, making St. Louis slightly more tax-friendly.
Honolulu vs St. Louis — common questions
Other cost of living comparisons for Honolulu and St. Louis