Cheap flights from Chicago to Paris from $333

The month of January is, on average, the cheapest month to fly to Paris from Chicago, with most prices found around $580. If you are unable to visit Paris during the month of January, then departing from Chicago during the month February is also very affordable. Most momondo users find prices during this month for around $581.

The cheapest day to depart from Chicago to Paris is on a Wednesday when prices can be found for as low as $945. 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 on Saturday is $1,098.

According to our data, the cheapest time of day to fly to Paris is in the evening. momondo users have found flights departing from Chicago to Paris in the evening for as low as $998. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Paris are more costly in the afternoon, with an average ticket price of $1,025. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Paris from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Paris 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 from Chicago for as low as $776 on momondo.

There are 4 cabin classes available to choose from on Chicago to Paris 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 flight.

As of September 2026, prices for Chicago to Paris flights are approximately 22% cheaper when compared to flights at the same time last year.

JetBlue, Delta, and United Airlines are the most popular carriers operating from Chicago to Paris

United Airlines, Air France and Delta are the top three most popular airlines that fly to Paris 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. Keep in mind that there are 17 different airlines that fly to Paris 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: 42% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of $430.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 34m.

Reykjavik (KEF) has the shortest average layover time for this route: 1h 00m.

The number of flights available between Chicago and Paris is 12 per day as of September 2026. The most frequent departure time is 9:00PM, with 71% of daily flights leaving in the evening.

As of September 2026, there are 88 flights per week flying from Chicago to Paris. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.