How does KAYAK find such low prices on flights from Illinois to Paris?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Paris.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Paris?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Paris from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Paris?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Paris with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Paris?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Paris from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$325 CHEAP FLIGHTS from Illinois to Paris

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Flight Deals

Cheap Flights from Illinois to Paris

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Paris

Mon, Nov 2 - Wed, Nov 18

10:25 am - 6:10 amSTL Lambert-St Louis-CDG Paris Charles de Gaulle

12h 45m1 stop Atlanta Hartsfield-Jackson

3:40 pm - 11:56 pmCDG Paris Charles de Gaulle-STL Lambert-St Louis

15h 16m1 stop Atlanta Hartsfield-Jackson

$611Virgin Atlantic

Mon, Nov 2 - Wed, Nov 18

4:05 pm - 10:20 amSTL Lambert-St Louis-CDG Paris Charles de Gaulle

11h 15m1 stop Toronto Pearson Intl

12:05 pm - 9:40 pmCDG Paris Charles de Gaulle-STL Lambert-St Louis

16h 35m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$635Air Canada

Thu, Dec 10 - Mon, Dec 21

6:30 pm - 12:00 pmORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

10h 30m1 stop Reykjavik Keflavik Intl

1:10 pm - 5:20 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

11h 10m1 stop Reykjavik Keflavik Intl

$637Icelandair

Mon, Nov 16 - Wed, Nov 25

6:25 pm - 9:35 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

8:00 am - 2:25 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

13h 25m1 stop Amsterdam Schiphol

$637Delta

Tue, Nov 17 - Wed, Nov 25

6:25 pm - 9:35 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

6:55 am - 2:25 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

14h 30m1 stop Amsterdam Schiphol

$637Delta

Wed, Nov 18 - Fri, Nov 27

6:45 pm - 9:55 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

12:05 pm - 7:58 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

14h 53m1 stop Toronto Pearson Intl

$637United Airlines

Tue, Nov 24 - Tue, Dec 1

3:45 pm - 10:25 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

11h 40m1 stop Montreal Pierre Elliott Trudeau Intl

9:55 am - 4:15 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

13h 20m1 stop Zurich

$637Multiple Airlines

Sat, Dec 5 - Sat, Dec 19

6:30 pm - 12:00 pmORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

10h 30m1 stop Reykjavik Keflavik Intl

1:00 pm - 5:20 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

11h 20m1 stop Reykjavik Keflavik Intl

$638Icelandair

Tue, Nov 10 - Tue, Dec 8

11:27 am - 6:10 amMDW Chicago Midway-CDG Paris Charles de Gaulle

11h 43m1 stop Atlanta Hartsfield-Jackson

10:20 am - 4:50 pmCDG Paris Charles de Gaulle-MDW Chicago Midway

13h 30m1 stop Minneapolis St Paul

$638Virgin Atlantic

Wed, Nov 18 - Fri, Nov 27

1:55 pm - 7:20 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

10h 25m1 stop Montreal Pierre Elliott Trudeau Intl

12:05 pm - 7:58 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

14h 53m1 stop Toronto Pearson Intl

$640United Airlines

Recent last minute flight deals from Illinois to Paris

Tue, Sep 22 - Wed, Sep 30

9:00 pm - 9:15 pmORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

17h 15m1 stop Dublin

11:15 am - 7:15 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

15h 00m1 stop Dublin

$657Aer Lingus

Tue, Sep 22 - Wed, Sep 30

3:45 pm - 10:35 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

11h 50m1 stop Dublin

10:20 am - 7:15 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

15h 55m1 stop Dublin

$665Aer Lingus

Wed, Sep 23 - Wed, Sep 30

8:50 pm - 5:30 pmORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

13h 40m1 stop London Heathrow

12:05 pm - 5:15 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

12h 10m1 stop London Heathrow

$684American Airlines

Wed, Sep 23 - Wed, Sep 30

10:25 pm - 5:30 pmORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

12h 05m1 stop London Heathrow

10:40 am - 5:15 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

13h 35m1 stop London Heathrow

$685American Airlines

Tue, Sep 22 - Thu, Oct 1

5:10 pm - 8:15 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 05mnonstop

1:10 pm - 3:10 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 00mnonstop

$689Delta

Tue, Sep 22 - Wed, Sep 30

5:10 pm - 8:15 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 05mnonstop

1:10 pm - 3:10 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 00mnonstop

$689Delta

Tue, Sep 22 - Tue, Sep 29

5:10 pm - 8:15 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 05mnonstop

1:10 pm - 3:10 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 00mnonstop

$689Air France

Tue, Sep 22 - Wed, Sep 30

5:10 pm - 8:15 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 05mnonstop

1:10 pm - 3:10 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 00mnonstop

$689Air France

Tue, Sep 22 - Tue, Sep 29

11:37 am - 7:20 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

12h 43m1 stop New York John F Kennedy Intl

6:00 am - 9:35 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

22h 35m2 stops Madrid Barajas Boston Logan Intl

$693Iberia

Tue, Sep 22 - Wed, Sep 30

11:37 am - 7:20 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

12h 43m1 stop New York John F Kennedy Intl

6:50 am - 9:35 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

21h 45m2 stops Madrid Barajas Boston Logan Intl

$693Iberia

Recent direct flight deals from Illinois to Paris

Mon, Nov 30 - Tue, Dec 8

6:45 pm - 9:55 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

11:55 am - 2:05 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 10mnonstop

$638Multiple Airlines

Mon, Nov 23 - Tue, Dec 1

6:25 pm - 9:35 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

2:00 pm - 4:15 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 15mnonstop

$639Air France

Sun, Nov 1 - Sun, Nov 8

9:35 pm - 12:40 pmORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 05mnonstop

1:30 pm - 3:50 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 20mnonstop

$639Finnair

Sun, Dec 6 - Wed, Dec 23

6:45 pm - 9:55 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

11:55 am - 2:05 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 10mnonstop

$647Brussels Airlines

Tue, Dec 1 - Tue, Dec 8

6:45 pm - 9:55 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

11:55 am - 2:05 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 10mnonstop

$647Brussels Airlines

Tue, Dec 1 - Wed, Dec 9

6:45 pm - 9:55 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

11:55 am - 2:05 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 10mnonstop

$647Lufthansa

Wed, Dec 2 - Tue, Dec 8

6:45 pm - 9:55 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

11:55 am - 2:05 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 10mnonstop

$647Lufthansa

Wed, Dec 2 - Tue, Dec 8

6:45 pm - 9:55 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

11:55 am - 2:05 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 10mnonstop

$649Multiple Airlines

Tue, Nov 17 - Wed, Nov 25

9:35 pm - 12:40 pmORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 05mnonstop

1:30 pm - 3:50 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 20mnonstop

$651Finnair

Mon, Feb 1 - Sun, Feb 14

6:25 pm - 9:35 amORD Chicago O'Hare Intl-CDG Paris Charles de Gaulle

8h 10mnonstop

2:00 pm - 4:15 pmCDG Paris Charles de Gaulle-ORD Chicago O'Hare Intl

9h 15mnonstop

$663Air France

Useful Info

Low season	January
High season	June
Cheapest flight	$325

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 35% increase in price.

Flight from St. Louis to Paris Charles de Gaulle Airport

How does KAYAK find such low prices on flights from Illinois to Paris?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Paris.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Paris?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Paris from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Paris?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Paris with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Paris?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Paris from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Roissy-en-France

Chessy

Tremblay-en-France

Saint-Denis

Versailles

Courbevoie

Serris

Magny-le-Hongre

Ivry-sur-Seine

Fontainebleau

Issy-les-Moulineaux

Saint-Ouen

Levallois-Perret

Orléans

Villepinte

Neuilly-sur-Seine

Vanves

Nanterre

Suresnes

Troyes

More options for your flight to Paris

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Complete your trip to Paris with a hotel stay or car rental

$325 Find Cheap Flights from Illinois to Paris - Compare and Save

Cheap Flights from Illinois to Paris

Recent round-trip flight deals from Illinois to Paris

Recent one-way flight deals from Illinois to Paris

Recent last minute flight deals from Illinois to Paris

Recent direct flight deals from Illinois to Paris

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Illinois to Paris

Traveling to a place near Paris?

More options for your flight to Paris

Complete your trip to Paris with a hotel stay or car rental

Cabin class types available on flights to Illinois

Find direct flights for Paris

Flights from domestic origins to Paris

Flights to other popular destinations

Find deals for your return flight