United's Polaris Business Class offers lie-flat seats, Saks bedding, and exclusive lounge access.
United's Premium Plus offers extra legroom, upgraded meals, and two checked bags on international flights.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $493 (oojo) |
One-way from | $388 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $799 |
Good round-trip deal | $665 or less |
Good one-way deal | $464 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoParis
ORD - ORY
ORDORY
Chicago O'Hare Intl
Fri 1/16
8:15 pm-7:45 pm
1 stop16h 30m
Paris Orly
Thu 1/29
5:40 pm-3:25 pm
1 stop28h 45m
ChicagoParis
ORD - BVA
ORDBVA
Chicago O'Hare Intl
Tue 2/10
6:30 pm-8:25 pm
2 stops18h 55m
Paris Beauvais-Tille
Tue 2/17
9:00 am-5:20 pm
2 stops15h 20m
ChicagoParis
ORD - CDG
ORDCDG
Chicago O'Hare Intl
Wed 1/7
6:45 pm-9:55 am
Nonstop8h 10m
Paris Charles de Gaulle
Thu 1/15
6:25 am-3:20 pm
1 stop15h 55m
ChicagoParis
ORD - CDG
ORDCDG
Chicago O'Hare Intl
Sun 2/1
6:45 pm-9:55 am
Nonstop8h 10m
Paris Charles de Gaulle
Tue 2/10
10:20 am-3:20 pm
1 stop12h 00m
ChicagoParis
ORD - CDG
ORDCDG
Chicago O'Hare Intl
Mon 3/2
6:45 pm-9:55 am
Nonstop8h 10m
Paris Charles de Gaulle
Mon 3/9
6:15 am-2:25 pm
1 stop14h 10m
ChicagoParis
ORD - CDG
ORDCDG
Chicago O'Hare Intl
Fri 1/16
6:45 pm-9:55 am
Nonstop8h 10m
Paris Charles de Gaulle
Thu 1/29
10:20 am-3:20 pm
1 stop12h 00m
ChicagoParis
ORD - CDG
ORDCDG
Chicago O'Hare Intl
Tue 2/24
6:45 pm-9:55 am
Nonstop8h 10m
Paris Charles de Gaulle
Mon 3/2
6:15 am-11:10 am
1 stop11h 55m
ChicagoParis
ORD - CDG
ORDCDG
Chicago O'Hare Intl
Wed 2/4
6:45 pm-9:55 am
Nonstop8h 10m
Paris Charles de Gaulle
Thu 2/12
10:20 am-3:20 pm
1 stop12h 00m
ChicagoParis
ORD - ORY
ORDORY
Chicago O'Hare Intl
Sun 1/25
8:25 pm-4:50 pm
1 stop13h 25m
Paris Orly
Sun 2/1
8:00 am-2:45 pm
1 stop13h 45m
ChicagoParis
ORD - CDG
ORDCDG
Chicago O'Hare Intl
Fri 2/6
6:45 pm-9:55 am
Nonstop8h 10m
Paris Charles de Gaulle
Sat 2/14
9:55 am-4:20 pm
1 stop13h 25m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Paris. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Paris (average of $370). Flying from Chicago O'Hare Intl Airport to Paris in June is currently the most expensive (average of $741). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Chicago O'Hare Intl Airport to Paris, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 15% versus a flight in the morning.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Paris flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from ORD to PAR are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).
Reykjavik (KEF) – chosen by Cheapflights users on 43% of 1-stop itineraries from Chicago O'Hare Intl Airport to Paris on Cheapflights.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $428.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 40m.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 0h 55m.
About 29% of weekly flights between Chicago and Paris have experienced delays in the past year, with the average delay time being 163 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 26% of flights being delayed.
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$183 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$300 | Average$785 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$365 | Average$469 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$385 | Average$531 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$577 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$438 | Average$805 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$519 | Average$735 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$521 | Average$751 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$527 | Average$834 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$528 | Average$823 | FlexibilityNo cancel fee | On-timeN/A |