Cheap flights from Paris to Chicago from C$ 663

In general, January is the cheapest month to fly from Paris to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 828. The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Paris averaging around C$ 896.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Monday when prices can be found for as low as C$ 635. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Paris to Chicago O'Hare Intl Airport for around C$ 1,469.

In the morning is the cheapest time of day to fly from Paris to Chicago O'Hare Intl Airport when you can find flight prices for as low as C$ 812. Flying to Chicago O'Hare Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,111 on average. Flights to Chicago O'Hare Intl Airport from Paris at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Paris Charles de Gaulle to Chicago O'Hare Intl for the best Paris - Chicago O'Hare Intl flight prices

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Paris when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around C$ 1,060 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Paris for as low as C$ 882 on momondo.

There are 2 cabin classes available to choose from on Paris to Chicago O'Hare Intl 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 55% on your flight if you consider stops on a Paris to Chicago O'Hare Intl Airport flight.

As of March 2026, prices for Paris to Chicago O'Hare Intl Airport flights are approximately 22% more expensive when compared to flights at the same time last year.

Historically, on average around 21% of flights between Paris and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 170 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines has had the least delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.