How much is a flight from Chicago O'Hare to Ontario?

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

Pick a travel date to see today’s available fares.

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 Chicago O'Hare - Ontario route.

Exploring all airports near Chicago and Ontario

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

• Airports in Chicago: 3 different airports operate in Chicago - Midway, O'Hare, Rockford.
• Airports in Ontario: Ontario is the only option available right now.

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.

Compare flights from Chicago O'Hare to Ontario with advanced filters

Find your ideal flight using Jetcost. Select whether you want nonstop or connecting flights, round-trip or one-way, and filter by airline, price, or booking site.

Other popular destinations

Looking for alternatives in United States? Travelers also liked: Las Vegas, Los Angeles, Miami, New York City, Orlando.

If you have a preferred time to leave or arrive, filters can help you show only the matching flights. You can also filter by your favorite airline and see only those deals.