Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Toronto (74% of total searches to Southern Ontario). The next most popular destinations are Niagara Falls (15%) and Ottawa (7%). Searches for hotels in The Blue Mountains (4%) are also popular.
KAYAK users have found double rooms in Southern Ontario for as cheap as $51 (Toronto) in the last 3 days. The average price is $304.
In the last 72 hours, users have found Southern Ontario hotels for tonight for as low as $92 (Gatineau). Users have also found 3-star hotels from $119 (Niagara Falls) and 4-star+ hotels from $196 (Niagara Falls).