Seattle is 12% more expensive than Honolulu.
When comparing Seattle, WA and Honolulu, HI, the overall cost of living indices are 196 and 175 respectively (national median = 100). Rent is $215/month cheaper in Honolulu, saving renters about $2,580/year.
Median household income is $36,556/year higher in Seattle. Home values also differ significantly — the median in Seattle is $912,100 compared to $834,100 in Honolulu.
Washington has no state income tax, giving Seattle residents a significant tax advantage over Hawaii's 11.0% rate.
Seattle vs Honolulu — common questions
Other cost of living comparisons for Seattle and Honolulu