Cheap flights from Chicago to Paris from $334

The month of January is, on average, the cheapest month to fly to Paris Charles de Gaulle Airport from Chicago, with most prices found around $567. If you don’t want to visit Paris Charles de Gaulle Airport in January, then you should wait until February to fly from Chicago, when ticket prices are also cheap, with an average price of $580.

The cheapest day to depart from Chicago to Paris Charles de Gaulle Airport is on a Wednesday. Travelers who choose to depart for Paris Charles de Gaulle Airport on a Wednesday will often find tickets for as low as $949. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Paris Charles de Gaulle Airport on Saturday is $1,100.

The cheapest time of day to fly to Paris Charles de Gaulle Airport is in the evening when flights can be purchased for as low as $998. Flights in the afternoon are often more expensive with an average ticket price of $1,026.

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

You are more likely to see cheaper flights to Paris Charles de Gaulle Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Paris Charles de Gaulle Airport for around $857 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Paris Charles de Gaulle Airport from Chicago for as low as $776 on momondo.

There are 4 cabin classes available to choose from on Chicago to Paris Charles de Gaulle Airport 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 24% on your flight if you consider stops on a Chicago to Paris Charles de Gaulle Airport flight.

As of September 2026, prices for Chicago to Paris Charles de Gaulle Airport flights are approximately 25% cheaper when compared to flights at the same time last year.

JetBlue, Delta, and Virgin Atlantic are the most popular carriers operating from Chicago to Paris Charles de Gaulle

United Airlines, Air France and Delta are the top three most popular airlines that fly to Paris Charles de Gaulle Airport from Chicago according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Paris Charles de Gaulle Airport. Keep in mind that there are 16 different airlines that fly to Paris Charles de Gaulle Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 33% of flights between Chicago and Paris have experienced a delay on any given week. The average delay length over the past 12 months has been 179 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.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday 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 29% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Flights via Montreal (YUL) offer the lowest average round-trip price of $695.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 36m.

Reykjavik (KEF) has the shortest average layover time for this route: 1h 23m.

As of September 2026, there are 12 flights per day flying from Chicago to Paris Charles de Gaulle Airport. The most common time of day flights depart is 9:00PM, with 71% of flights taking off in the evening.

As of September 2026, there are 89 flights per week flying from Chicago to Paris Charles de Gaulle Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.