Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Toronto (79% of total searches to Lake Ontario). The next most popular destinations are Rochester (9%) and Mississauga (8%). Searches for hotels in Kingston (4%) are also popular.
KAYAK users have found double rooms in Lake Ontario for as cheap as $28 (Toronto) in the last 3 days. The average price is $274.
In the last 72 hours, users have found Lake Ontario hotels for tonight for as low as $81 (Ontario). Users have also found 3-star hotels from $94 (Oakville) and 4-star+ hotels from $187 (Niagara-on-the-Lake).