Cheap flights from Ontario to Chicago
Travel > North America > United States > Ontario to Chicago flights
A lot of foodies could select from dining alternatives in Chicago. Whether you are craving for a taste of American dishes and other regional specialties, the city is your place to be. Some of the famous Chicago restaurants are:... (read more in our Chicago Nightlife)
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Cheapest flights found for the next 6 months
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Check our newest flight offers to Chicago:
- $238
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (ORD) 01/19/2025 08:01 am Chicago, IL (ORD) Ontario, CA (ONT) 01/30/2025 06:36 pm - $258 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (MDW) 01/24/2025 10:40 am Chicago, IL (MDW) Ontario, CA (ONT) 02/03/2025 12:43 pm - $258 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (ORD) 01/24/2025 10:40 am Chicago, IL (ORD) Ontario, CA (ONT) 02/03/2025 12:43 pm - $324
Porter Airlines
cheapoair.com check priceFrom To Departure Time Ottawa, ON (YOW) Chicago, IL (MDW) 01/02/2025 07:00 am Chicago, IL (MDW) Ottawa, ON (YOW) 01/10/2025 01:05 pm - $632 Porter Airlines
cheapoair.com check priceFrom To Departure Time Windsor, ON (YQG) Chicago, IL (MDW) 01/02/2025 02:30 pm Chicago, IL (MDW) Windsor, ON (YQG) 01/10/2025 01:05 pm
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