How much is a flight from Ontario to Chicago?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Ontario and Chicago.

$73 is the lowest fare found in the past 15 days.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Ontario - Chicago route.

Exploring all airports near Ontario and Chicago

Checking all the airports available in the area can give you more departure and arrival options for your trip.

• Airports in Ontario: Ontario is currently the only one operating.
• Airports in Chicago: Chicago is served by 3 airports - Midway, O'Hare, Rockford.

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

Refine your flight search from Ontario to Chicago

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from Expedia, eDreams, and top carriers.

Other popular destinations

Also looking at United States? These cities are trending: Boston, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.