Cheap flights from Paris to Chicago from $476

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Paris averaging around $657.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $787. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Paris because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $976.

Flying to Chicago O'Hare Intl Airport from Paris at noon is the least expensive time of day to depart. momondo users have found prices as low as $837 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $844. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $775 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 $647 on momondo.

There are 3 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 3% on your flight if you consider stops on a Paris to Chicago O'Hare Intl Airport flight.

As of February 2026, prices for Paris to Chicago O'Hare Intl Airport flights are approximately 3% more expensive when compared to flights at the same time last year.

Air Serbia, Finnair, and British Airways are the most popular carriers operating from Paris to Chicago O'Hare Intl

United Airlines, Iberia and Lufthansa are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Paris according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 6 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% 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 168 minutes.

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

Sunday is statistically the day of the week which experiences the fewest number of 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 have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $868.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 15m.

Reykjavik (KEF) has the shortest average layover time for this route: 0h 53m.

The number of flights available between Paris and Chicago O'Hare Intl Airport is 8 per day as of February 2026. The most frequent departure time is 11:00AM, with 75% of daily flights leaving at noon.

As of February 2026, 62 flights take off from Paris and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.