Boston is firmly classified as one of the most expensive cities in the United States in 2026. For travelers and residents alike, the primary driver of high costs is housing and accommodation; as of early 2026, the average monthly rent for a one-bedroom apartment exceeds $3,000, and mid-range hotel rooms often start at $350 per night during the peak fall and spring seasons. Dining and entertainment are also significantly priced above the national average. A single adult typically needs an annual income of roughly $120,000 to maintain a comfortable lifestyle in the city proper. However, visitors can mitigate costs by using the "T" (the MBTA public transit system), taking advantage of free historic sites like the Freedom Trail, and staying in outer neighborhoods like Allston or Quincy.