Cheap flights from Ontario to Chicago
Travel > North America > United States > Ontario to Chicago flights
If you want to visit a vibrant, energetic city that's rich in heritage, culture, entertainment, and commerce, Chicago runs right up there with the big dogs. You could start by visiting downtown which is the center for government, finance, and commerce of Chicago and is encircled by The Loop, named for the elevated train tracks that loop around the central area. Tall skyscrapers such as the world's second-tallest building, the Sears Tower, and the Chicago Board of Trade are landmarks... (read more in our Chicago Travel Guide)
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Cheapest flights found for the next 6 months
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Check our newest flight offers to Chicago:
- $191
Porter Airlines
cheapoair.com check priceFrom To Departure Time Ottawa, ON (YOW) Chicago, IL (MDW) 04/20/2021 07:15 am Chicago, IL (MDW) Ottawa, ON (YOW) 04/27/2021 07:00 am - $191 Porter Airlines
cheapoair.com check priceFrom To Departure Time Ottawa, ON (YOW) Chicago, IL (MDW) 02/17/2021 07:15 am Chicago, IL (MDW) Ottawa, ON (YOW) 03/10/2021 03:00 pm - $218 Porter Airlines
cheapoair.com check priceFrom To Departure Time Toronto, ON (YTZ) Chicago, IL (MDW) 03/02/2021 09:00 am Chicago, IL (MDW) Toronto, ON (YTZ) 03/16/2021 10:30 am - $237 Porter Airlines
cheapoair.com check priceFrom To Departure Time Toronto, ON (YTZ) Chicago, IL (MDW) 02/18/2021 06:10 pm Chicago, IL (MDW) Toronto, ON (YTZ) 03/04/2021 03:25 pm - $239
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Chicago, IL (ORD) 02/06/2021 07:45 am Chicago, IL (ORD) Ontario, CA (ONT) 02/11/2021 05:50 pm
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