The room rate is only the beginning.
A straightforward checklist for comparing the full cost of your stay, without getting distracted by the headline price.

Use the same dates, occupancy, room type, and cancellation conditions.
Compare like for like
Use the same dates, occupancy, room type, and cancellation conditions. A lower prepaid rate and a flexible rate are different products. Read the cancellation deadline and the amount due before confirming.
Look at the final checkout total
Check taxes, mandatory fees, parking, and any deposit or incidental hold separately. Some charges are collected at the property. Save the final booking terms so you can refer to them later.
Put location in the calculation
A cheaper room can mean extra transport and time. List the places you plan to visit and compare the whole trip, rather than only the room. Accessibility needs and walking comfort should be part of the decision.
This is general planning guidance, not a current listing of prices or availability. Confirm venue rules, fees, and schedules directly before booking or visiting.