Cheap flights from Ontario to Chicago
Travel > North America > United States > Ontario to Chicago flights
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Cheapest flights found for the next 6 months
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Check our newest flight offers to Chicago:
- $150 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (ORD) 05/02/2024 10:59 pm Chicago, IL (ORD) Ontario, CA (ONT) 05/11/2024 06:27 pm - $170 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (MDW) 06/05/2024 08:51 pm Chicago, IL (MDW) Ontario, CA (ONT) 06/11/2024 08:02 pm - $239 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (ORD) 05/11/2024 12:55 am Chicago, IL (ORD) Ontario, CA (ONT) 05/19/2024 08:00 am - $239 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (MDW) 05/11/2024 12:55 am Chicago, IL (MDW) Ontario, CA (ONT) 05/19/2024 08:00 am
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