Domestic holidays are on the rise, so it's helpful to know which cities come with the biggest hotel price tag. Compiling data from trivago's Hotel Price Index for 2012 through to 2014, the hotel search site has compared average hotel prices across Australia's capital cities. Out of all the capitals, Perth's leading asking price for a hotel stay ($208) has been matched by Sydney, whose annual average hotel prices are now on par with the WA capital. The culturally cool capital of Melbourne peaked at its highest average price level over the February to March period this year at $214, marking a 13% and 8% month-on-month increase respectively on 2014 prices. Up in Brisbane, average hotel fees followed the trend of the last two years, hitting its stride in February at $214. Darwin saw the biggest decrease in annual averages, with prices falling by 12% over December, January and February. Find out more.