Plane tickets from Chicago to Ontario

The minimum price for a flight from Ontario, California to Chicago, Illinois depends on the airline, flight time, day of the week, and other factors. However as of February 2020, the lowest price for a one-way flight is typically around $89. This varies depending on the airline, departure airport, and season. Please visit the website of your chosen airline and search for flights from Ontario to Chicago to see the exact number and schedule of flights. The best time to fly from Ontario to Chicago depends on your budget and the dates you wish to travel. Generally speaking, the most affordable times to fly from Ontario to Chicago are during the off-peak months from November to April, when airline ticket prices are at their lowest. If you are looking for the most flexible fares and a wider range of flight scheduling, peak season months from May to October is your best bet. The frequency of flights from Ontario to Chicago depends on the airline and airport, but generally there are multiple flights each day. Yes, if you plan to stay in the United States for longer than 90 days, you would need to apply for a visa. Short-term visitors from Canada may be eligible to travel on the Visa Waiver Program (ESTA), which allows visitors to stay for up to 90 days without a visa. 1. American Airlines 2. Delta Airlines 3. United Airlines 4. Air Canada 5. WestJet A variety of airlines offer direct flights from Ontario (ONT) to Chicago (ORD), including American Airlines, Southwest Airlines, Alaska Airlines, and Delta Airlines.