Hotel 1 Parliament Sq (apt 15) Royal Mile cost depends on the season and prices can be much different basing on selected dates. The diagram below illustrates price changing dynamic for 1 Parliament Sq (apt 15) Royal Mile hotel by months. For example, the lowest prices - on the average $176 - are in January, and by August hotel 1 Parliament Sq (apt 15) Royal Mile cost grows on the average up to $518.