C$ 242 Find Cheap Flights from Chicago O'Hare Airport to Ottawa – Compare and Save

For Chicago O'Hare Airport to Ottawa, Monday is the cheapest day to fly on average and Tuesday is the most expensive. Flying from Ottawa back to Chicago O'Hare Airport, the best deals are generally found on Saturday, with Monday being the most expensive.

The cheapest month for flights from Chicago O'Hare Intl Airport to Ottawa is October, where tickets cost C$ 660 (return) on average. On the other hand, the most expensive months are March and June, where the average cost of round-trip tickets is C$ 1,601 and C$ 1,177 respectively.

Weekly flights between Chicago and Ottawa historically see delays in approximately 16% of cases, with the average delay over the past year being 139 minutes.

Typically, flights leaving in the evening tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Statistically, Friday is the day of the week with the fewest delays on this flight route, while Wednesday has typically experienced more delays than other days.

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 16% of their flights encountering any delays.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are 3 nonstop flights that take off from Chicago O'Hare Intl Airport and land in Ottawa, with an average flight time of 2h 15m. The most common departure time is 10:00 a.m. and most flights take off in the morning. Each week, there are 21 flights and there are the same amount of flights each day (3).