Cheap flights from Paris to Chicago from £352

The cheapest month to fly to Chicago from Paris is in February. Flight prices, which tend to average around £479, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Chicago from Paris during January instead. Flights to Chicago in January, while not as cheap as those in February, still average around £490.

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £475. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Monday, with ticket prices averaging around £776.

Flying to Chicago from Paris at midday is the least expensive time of day to depart. momondo users have found prices as low as £523 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of £685.

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

You are more likely to see cheaper flights to Chicago from Paris when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £628 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Paris for as low as £453 on momondo.

There are 3 cabin classes available to choose from on Paris 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 62% on your flight if you consider stops on a Paris to Chicago flight.

As of November 2026, prices for Paris to Chicago flights are approximately 17% cheaper when compared to flights at the same time last year.

Historically, on average around 20% 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 177 minutes.

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

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

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

As of November 2026, there are 8 flights per day flying from Paris to Chicago. The most common time of day flights depart is 11:00, with 75% of flights taking off at midday.

As of November 2026, there are 61 flights per week flying from Paris to Chicago. The most common day of the week flights depart is Sun, with 26% of flights taking off on this day.