Across 2025, the price of American lodging moved within a band of roughly nineteen percentage points from its cheapest month to its dearest. Boston's room rate moved ninety-eight and a half. The city does not experience a national hotel market with a local accent; it runs a calendar of its own, and the gap between the two is more than five to one.
This is the second reading from the Boston Night Cost Index, and it is the one that matters for anyone deciding whether national travel advice applies here. Mostly, it does not.
Two curves, one year
The national reference is the United States lodging price series, not seasonally adjusted, published monthly since 1967. Rebased so that January 2025 equals 100, it reaches 109.7 at its May peak and falls to 92.4 in November. Boston's room rate, rebased the same way, reaches 198.5 in October. The national series describes a market that breathes; Boston's describes one that inhales sharply for eight months and then stops.
| Month | Boston room rate (Jan 2025 = 100) | US lodging index (Jan 2025 = 100) |
|---|---|---|
| January | 100.0 | 100.0 |
| February | 108.1 | 103.5 |
| March | 134.7 | 104.6 |
| April | 166.3 | 107.2 |
| May | 183.8 | 109.7 |
| June | 178.5 | 106.7 |
| July | 155.4 | 104.6 |
| August | 154.0 | 104.6 |
| September | 182.9 | 102.7 |
| October | 198.5 | not published |
| November | 140.1 | 92.4 |
| December | 110.6 | 93.8 |
The blank in that table is real and we have left it visible. The national series carries no value for October 2025; the statistical agency records the month as unavailable because of that autumn's lapse in federal appropriations. It is an awkward hole, falling in precisely the month when Boston peaks, and filling it with an interpolation would have made the comparison look tidier and meant less.
Why the two curves disagree
A national index averages away everything that makes a city expensive in a particular week. It blends beach seasons against ski seasons, convention towns against airport strips, and the result is a curve that mostly reflects the general price level rather than any local calendar. Boston's peak has identifiable causes: a marathon, a graduation fortnight that empties and refills the city, a convention centre booked years ahead, and a foliage season that draws visitors into the same three weeks the universities are also busy.
Those causes are concentrated in time, and the room rate registers them almost immediately. September and October together carry index values of 182.9 and 198.5 — the highest consecutive pair of the year, and the reason the autumn premium is the single largest avoidable cost in a Boston trip. We set out the events behind those weeks in the fifty events that fill the city's hotels.
The longer view, where the gap narrows but holds
Amplitude is one question; level is another. Measured against 2019, Boston's average room rate is 15.6% higher, at $301.97 against $261.31. The national lodging index over the same span is 11.9% higher. Boston has therefore outpaced the national market by close to four points over six years — a real gap, but a far more modest one than the seasonal comparison suggests.
The same national series records what the pandemic did to lodging prices: a fall of 11.9% between 2019 and 2020, recovered by 2022 and exceeded since. It is a useful reminder that a long series has the authority a short one cannot claim, which is precisely why this index publishes its own alongside it rather than instead of it.
What the prices say
If you plan Boston using national seasonality advice, you will arrive in the wrong month. The practical consequence is that shifting dates matters far more here than shifting properties: the seasonal spread within a single Boston year is wider than the spread between most hotels in a single Boston week. Our neighbourhood tool handles the second question; the index is for the first.
Frequently asked
Is Boston the most expensive US city for hotels?
This index does not answer that, and we will not guess. It measures Boston against the national average, not against other named cities, because a like-for-like city comparison would need the same basket priced in each city and we have not built that.
Why compare against a national series rather than another city?
Because the national series is published, long, methodologically stable and free to cite — which makes it a fair check on whether our own basket is measuring something real. A curve that diverged wildly from it would more likely indicate a broken basket than a remarkable city.
Does the missing October figure undermine the comparison?
It weakens it for that one month, and only that one. The other eleven months are complete on both series, and the amplitude conclusion holds whether or not October is included, since the national series never approaches Boston's range in any month it does record.
Sources
- Monthly Boston hotel performance, 2025, and 2019 comparison — Pinnacle Advisory Group, published by Meet Boston
- US lodging price series, CUUR0000SEHB02, not seasonally adjusted, monthly since 1967 — US Bureau of Labor Statistics; October 2025 recorded as unavailable, agency footnote X
- Statutory lodging tax components — Massachusetts Department of Revenue; MGL c. 64G § 3A; City of Boston FY27 Revenue Estimates and Analysis
Reuse: these figures are free to reuse, quote and chart, with a link back to this page. The detailed reference list is available on request.
💡 The full method, basket and coverage rate are set out on the methodology page.
