Hotels in Ontario, CA

Hotels in Ontario show a range of prices for their rooms. These are determined by factors such as availability, locale and amenities. On average, rooms will be around €122 per night.

In November prices are at their lowest, making it the most cost-effective time to book a hotel room in Ontario. You may find the cost of your room has decreased by 13%.

Hotel rooms in Ontario are generally cheapest on Saturday and more costly on Tuesday.

With good temperatures around 13 °C and just a moderate chance of expected rainfall, those staying at a hotel in Ontario should consider visiting popular establishments near Ontario.

As of January 2026, there are 122 operators available to choose from for hotels in Ontario.

Prices for hotels in Ontario are refreshed on a daily basis.

Below are the 7 user recommended hotels in the area of Ontario that is closest to Ontario Mills. The average price near Ontario Mills is €96/night, with prices varying based on several factors including time of year. Hotels near Ontario Mills are typically 17% more expensive than the average hotel in Ontario, which is €79.

The average price for hotels near Ontario Convention Center is €83 per night. Of those hotels, momondo users recommend the 10 hotels below for those looking to stay in the area. Since Ontario Convention Center is more popular at some times of year than others, prices may vary depending on when you plan your trip. Hotels near Ontario Convention Center are typically 3% more expensive than the average hotel in Ontario, which is €79.

If you’re looking for a hotel in Ontario near Cucamonga-Guasti Regional Park then you are in luck. momondo recommends 10 hotels near Cucamonga-Guasti Regional Park and on average, hotels in the area cost €91/night. This price may vary based on season. Hotels near Cucamonga-Guasti Regional Park are typically 13% more expensive than the average hotel in Ontario, which is €79.