How much is a flight from Chicago to Ontario?

There’s no fixed price — fares between Chicago and Ontario can vary a lot by day or time.

$67 is the lowest fare found in the past 15 days.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Flying from or to Chicago and Ontario? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Chicago: You have 3 departure options - Midway, O'Hare, Rockford.
• Airports in Ontario: Ontario is the only arrival option right now.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Flight filters for the route Chicago – Ontario

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United States are often searched alongside: Las Vegas, Los Angeles, Miami, New York City, Orlando.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.