353 - 484 CAD
Most travellers find the cheapest round-trip airfare to Chicago when booking during the month of February.
Most flyers found that booking flight tickets 60 days in advance of their planned departure date is, on average, the best time to get cheap flights to Chicago.
Most of our users find that booking their departure to Chicago on a Wednesday is the cheapest. Conversely, departing on a Sunday seems to be the most expensive.
In general, when looking for the cheapest flight to Chicago, our data indicates that noon flights are the most cost-effective. evening flights tend to be the most expensive.