Flagstaff vs St. Louis
Cost of Living Comparison · 2026
Flagstaff
St. Louis
The Verdict
St. Louis is 28.9% less expensive than Flagstaff overall. A household earning $75,000 in Flagstaff would need approximately $58,190 in St. Louis to maintain the same standard of living.
Category-by-Category Breakdown
Index values · National average = 100 · Lower is more affordable
Salary Equivalence
A $75,000 salary in Flagstaff has the same purchasing power as $58,190 in St. Louis.
Conversely, $75,000 in St. Louis equals $96,667 in Flagstaff.
Living in Flagstaff vs St. Louis
Housing Costs
Flagstaff's housing index of 178 is higher St. Louis's 72, translating to median home prices of $655,000 vs $175,000. The $480,000 difference in home prices means roughly $31,200 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,750/mo in Flagstaff compared to $1,000/mo in St. Louis, a monthly difference of $750.
Grocery & Food Costs
Grocery expenses index at 102 in Flagstaff and 97 in St. Louis. A household spending the national average of $475/month on groceries would pay approximately $485/month in Flagstaff vs $461/month in St. Louis. The difference in grocery costs between these cities is relatively minor and unlikely to be a deciding factor in relocation.
Utility Expenses
Utility costs — electricity, gas, water, internet — index at 92 in Flagstaff and 95 in St. Louis. Monthly utility bills average approximately $368 in Flagstaff vs $380 in St. Louis. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 102 in Flagstaff and 95 in St. Louis. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. Healthcare costs are relatively similar between these two cities, though individual plan costs can still vary.
Income & Purchasing Power
Median household income is $68,000 in Flagstaff and $45,782 in St. Louis. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $58,621 and $50,869 respectively. Flagstaff residents enjoy stronger real purchasing power despite higher nominal wages.
Relocation Considerations
Under the standard 28% rule, a median-income household can allocate $1,587/month to housing in Flagstaff vs $1,068/month in St. Louis. In Flagstaff, median rent of $1,750/mo exceeds this threshold, suggesting renters may feel stretched. In St. Louis, median rent of $1,000/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 106 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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