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Cheap flights from Chicago to Ontario International

Chicago to Ontario International

  • The average flight time from Chicago to Ontario International is 4h 10min
  • There are 6 flights a week from Chicago to Ontario International
  • 1 airline flies direct from Chicago to Ontario International
  • The most popular airline flying from Chicago to Ontario International last month was Southwest Airlines
  • Chicago to Ontario International is 1,695 miles
  • $284 was the cheapest return price from Chicago to Ontario International last month

Find the cheapest month to travel from Chicago to Ontario International

Find flights from Chicago to Ontario International with skyscanner.com We provide a free search service where you can compare flights from all major airlines and travel agents for cheap flights from Chicago to Ontario International.

You can view some statistics on flights from Chicago to Ontario International below, such as the average flight time to the number of air miles.

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