Cheap flights from Buffalo to Chicago from C$ 121

The month of October is another great option to travel to Chicago, with average flight prices from Buffalo averaging around C$ 111.

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as C$ 589. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 995. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chicago.

In the evening is the cheapest time of day to fly from Buffalo to Chicago when you can find flight prices for as low as C$ 548. Flying to Chicago in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Chicago, so prices are often more expensive at around C$ 1,551 per ticket.

Fly from Buffalo to Chicago O'Hare Intl for the best Buffalo - Chicago flight prices

You are more likely to see cheaper flights to Chicago from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around C$ 465 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Buffalo for as low as C$ 317 on momondo.

There are 4 cabin classes available to choose from on Buffalo to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 26% on your flight if you consider stops on a Buffalo to Chicago flight.

As of July 2026, prices for Buffalo to Chicago flights are approximately 16% cheaper when compared to flights at the same time last year.

As of July 2026, there are 25 flights per day flying from Buffalo to Chicago. The most common time of day flights depart is 10:00a.m., with 58% of flights taking off at noon.

As of July 2026, there are 181 flights per week flying from Buffalo to Chicago. The most common day of the week flights depart is Thu, with 20% of flights taking off on this day.