Flights from Chicago (CHI) to Ontario International (ONT)

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We'll show you the best deals by comparing tons of flights from Chicago to Ontario International across a wide range of airlines and travel agents. Compare the cheap flights along this route.

Travel information for Chicago to Ontario International

Avg. flight duration fromChicago to Ontario International5 hrs 30 mins
Chicago to Ontario Internationalonly 1708 miles
Here are some alternative departure airports for Chicago
  • Distance between Chicago and Gary (GYY): 20.1 miles
  • Distance between Chicago and Benton Harbor (BEH): 65.8 miles
  • Distance between Chicago and South Bend (SBN): 69.7 miles

Additional useful information for Ontario International

  • The weather in Ontario International for the next ten days will be 75°F - that’s 3°F cooler than Chicago.
  • Over the next ten days, the expected rainfall is likely to be 0.09 inches less in Ontario International than in Chicago.
  • In the next ten days, the chance of sunshine will be 71% in Ontario International as opposed to 11% in Chicago.

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Facts and figures about flying from Chicago to Ontario International

  • McCarran International is the most commonly used connection for flights between Chicago and Ontario International
  • When traveling between Chicago and Ontario International, the most commonly used aircraft is a Boeing 737-700
  • Flights between Chicago and Ontario International are rarely subject to diversions
  • Chicago to Ontario International flights have a very low delay rate
  • Southwest Airlines Co. operates 27 flights per week between Chicago and Ontario International
  • The most common destination gate if you’re flying from Chicago to Ontario International is 404
  • The most common destination terminal in Ontario International for flights arriving from Chicago is 4

Flights to Ontario