Cheap flights from Chicago to Ontario
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Book a Chicago O'Hare to Ontario flight and save

The price of an airline ticket from Chicago O'Hare to Ontario varies depending on your travel dates and how far in advance you book your flight. Fly Scanner brings you the best cheap flights by comparing schedules, airlines, stopovers, alternative dates and other destinations in United States.

Find a direct flight Chicago O'Hare to Ontario

If you're looking only for direct flights to Ontario, with our search engine you can filter the offers of hundreds of companies to get only the cheapest direct flights from Chicago O'Hare to Ontario. Avoid unnecessary waste of time, compare all offers in one search.

Book your Chicago O'Hare - Ontario flight at the ideal time

Booking dates and travel dates can be crucial for the price of your airfare. Fly Scanner helps you finding the flight on the cheapest day, suggesting alternative dates for your flight.

How to find a Chicago O'Hare - Ontario flight at the best price

The flight search engine of Fly Scanner compares the flight offers of Chicago O'Hare - Ontario in a simple and fast way. Just enter:

  • The class of flight
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  • The dates of the flight
You can then further customize your search by entering filters on the number of stops, airline, specific airport of arrival or departure and much more.

Frequently Asked Questions

Frequently asked questions about flights from Chicago O'Hare to Ontario.

How much does a Chicago O'Hare - Ontario flight cost?

The lowest price in the last 15 days for an airline ticket from Chicago O'Hare to Ontario is $132.

How far is Chicago from Ontario?

Chicago is about 1697 mi from Ontario.

What are the airports in Ontario?

Ontario has one airport: Ontario.

What are the airports in Chicago?

At Chicago there are 3 airports: Midway, O'Hare, Rockford.

What are the most popular destinations searched for in United States?

The most searched cities in United States according to our users are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

What is the cheapest month to fly from Chicago to Ontario?

The cheapest month to fly from Chicago to Ontario is January.

What is the most expensive month to fly from Chicago to Ontario?

The most expensive month to fly from Chicago to Ontario is October.

What is the best day of the week to fly from Chicago to Ontario?

For flights from Chicago to Ontario Friday is on average the cheapest day to fly, while Sunday is the most expensive day to fly.
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