$329 Find Cheap Flights from Paris to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Paris to Illinois departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Paris to Illinois.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Paris to Illinois.
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Cheap Flights from Paris to Illinois

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Paris to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Paris to Illinois

Thu, Oct 2 - Thu, Oct 9
Icelandair Logo
5:00 pm - 6:15 pmCDG-ORD
32h 15m1 stop
Icelandair Logo
7:25 pm - 1:00 pmORD-CDG
10h 35m1 stop
$434Icelandair
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Fri, Oct 3 - Fri, Oct 10
Icelandair Logo
5:00 pm - 9:15 pmCDG-ORD
11h 15m1 stop
Icelandair Logo
10:15 pm - 1:10 pmORD-CDG
31h 55m1 stop
$438Icelandair
Find Deal
Thu, Dec 18 - Sun, Jan 4
Iberia Logo
11:05 am - 10:21 pmCDG-STL
18h 16m1 stop
Iberia Logo
11:56 am - 9:05 amSTL-CDG
14h 09m1 stop
$687Iberia
Find Deal
Tue, Aug 26 - Sun, Sep 7
Iberia Logo
5:50 am - 7:21 pmCDG-STL
20h 31m2 stops
Iberia Logo
9:42 am - 10:00 amSTL-CDG
17h 18m1 stop
$709Iberia
Find Deal
Mon, Aug 18 - Wed, Apr 1
United Airlines Logo
9:45 am - 6:07 pmCDG-STL
15h 22m2 stops
United Airlines Logo
10:30 am - 10:20 amSTL-CDG
16h 50m2 stops
$719United Airlines
Find Deal
Mon, Aug 18 - Wed, Apr 1
United Airlines Logo
9:45 am - 6:07 pmCDG-STL
15h 22m2 stops
United Airlines Logo
4:05 pm - 10:10 amSTL-CDG
11h 05m1 stop
$726United Airlines
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Mon, Aug 18 - Mon, Sep 1
Air France Logo
10:50 am - 5:37 pmCDG-MDW
13h 47m1 stop
Air France Logo
1:08 pm - 6:15 amMDW-CDG
10h 07m1 stop
$729Air France
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Thu, Sep 11 - Thu, Sep 18
Air France Logo
3:40 pm - 5:35 pmCDG-MDW
32h 55m1 stop
Air France Logo
1:08 pm - 11:10 amMDW-CDG
15h 02m1 stop
$754Air France
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Thu, Jul 17 - Mon, Jul 21
Lufthansa Logo
11:15 am - 4:43 pmCDG-PIA
12h 28m1 stop
Lufthansa Logo
11:00 am - 9:20 amPIA-CDG
15h 20m1 stop
$1,190Lufthansa
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Fri, Jul 18 - Tue, Jul 22
Lufthansa Logo
11:15 am - 4:43 pmCDG-PIA
12h 28m1 stop
Lufthansa Logo
11:00 am - 8:55 amPIA-CDG
14h 55m2 stops
$1,261Lufthansa
Find Deal
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KAYAK's insights & trends for Paris to Illinois flights

Get data-powered insights and trends into flights from Paris to Illinois to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Paris to Illinois flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Paris to Illinois.

The cheapest ticket to Illinois from Paris found in the last 72 hours was to Chicago, at $623 round-trip. The most popular route is from Paris Charles de Gaulle Airport (CDG) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $623.

Can I save money by flying with a layover from Paris to Illinois?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $853 on average.

What is the cheapest month to fly from Paris to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Paris to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Paris to Illinois is February, when tickets cost $514 (return) on average. On the other hand, the most expensive months are July and August, when the average cost of round-trip tickets is $882 and $817 respectively.

What’s the cheapest day of the week to fly from Paris to Illinois?

The average price of all round-trip flights from Paris to Illinois clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Paris to Illinois, look for departures on Tuesdays and avoid leaving on a Thursday, as it's usually the priciest day. When flying back from Illinois, Wednesday is the cheapest day to fly and Saturday is the most expensive.

How far in advance should I book a flight from Paris to Illinois?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Paris to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Paris to Illinois, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.


Good to know

Low seasonMarch
High seasonJuly
Cheapest flight$329
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 28% increase in price.
Flight from Paris Charles de Gaulle Airport to Chicago O'Hare Airport

FAQs - booking Illinois flights

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

    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 Paris to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Paris to 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 Paris to Illinois?

    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 from Paris to Illinois with an airline and back with another airline.

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

    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 from Paris to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally at night, when round-trip flights cost $704 on average. The most expensive time of day to fly to Illinois is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $880.

Reviews of the top 5 airlines serving from Paris to Illinois

 
See real verified KAYAK customer reviews for airlines flying from Paris to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Paris to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.5
Air FranceOverall score based on 1465 reviews
7.0Food
7.4Comfort
7.4Boarding
7.0Entertainment
8.2Crew
Airline reviews

Old airplanes small seats expensive tickets, not as expected overall and not comfortable according to the price

2.0 MediocreBehroz Shah, Jul 2025CDG - FCO
Read more Air France reviews

Old airplanes small seats expensive tickets, not as expected overall and not comfortable according to the price

It was an OK flight with below mediocre service by their flight attendants

Wasted a lot of time trying to find the CDG lounge - it was not next to the connecting flight gate like the Air France staff said.

My experience was good overall, the quality of the food really decreased! There used to be a choice between meat and fish now it’s between chicken and pasta! In the choices of entertainment meditation has been added which is very good. Soft chair workout to improve blood circulation and avoid phlebitis should be added.

The only reason the overall rating wasn't "excellent" was due to problems in claiming luggage. The bags are delivered to the main area (Cinta 35) for domestic passengers, but to a DIFFERENT ROOM for international arrivees. After waiting 30 minutes, someone (who didn't appear to be from Air France or the airport) told us to go to another area. There we found our bags, which appeared to have been awaiting us for a while. We had to go through a bag check before leaving the airport. If we had been alerted to this possibility, or better yet, been to go directly to Cinta 34, we could have eliminated quite a bit of waiting.

Much better than the major US Carriers especially in Biz Class.

I wish that the meal included a vegetable or even a salad instead of couscous! Why serve chicken with rice AND couscous? Service was good overall though a bit lacking in friendliness. Usually on air france I've been offered a glass of champagne before dinner, wine with dinner, and a digestif after dinner. We were only offered wine this time!

It was not Air France but Air Europa. But confusion over our checked luggage. Whether it was checked all the way to Tenerife or not. It was not. Had to line up again in Departures. At least our Sky Priority was honoured. Flight was fine.

My wife and I had a row to ourselves after moving seats. There were no TVs and you had to buy food. So we did nothing but had a quick nap. Flight was fine.

The male attended that served are section was a snob. He did not answer my call light when my wine spilled all over the floor. I did not push it again or drew his attention to it. He just ignored the call light when he came to give us our meal, serving the people behind us first. I did not push it again or drew his attention to it to see his reaction. It was so obvious that he was ignoring us. We were in premium economy!

It was fine, definitely older planes with no charging or anything. There’s no entertainment set up on board, but it is nice that they allow you to access the in flight entertainment from your phone without having to pay for the Wi-Fi and they do offer free texting.

I liked that the flight was nonstop from ORD to CIU for $200 round trip.

The schedule to Moline changed 5 times. The gate changed 6 times. That is a pathetic way to run an airline. No wonder that no one in our company flies on United Express to or from Moline. Changes happen most of the time. I learned my lesson on this trip…never again!

All flight attendants could benefit by taking an international flight on Qantas Airline. Qantas attendants are much more hospitable in every way. Much superior than and attendants on any US airline.

While the staff was pleasant and helpful, the following observations are for your awareness. There was some delay on the tarmac on take off and landing. The paid lunch/food offerings were limited. Entertainment was only available on WiFi at a cost.

The first flight was better in terms of the aircraft.

So far so good but food and entertainment are not available for this flight

Smooth flight. Boarding was chaotic. Could not hear the gate agent over the intercom. People were lined up in the wrong lines. Groups one and two were told to board through line one and group 3 through line 2. All very confusing. Once in the air, the flight was smooth. There was no entertainment option on this aircraft, even though it was a larger aircraft.

Overall poor for me I paid extra for seats with leg room and my regional flights exit row seats have less leg room then the others that's money that could have been saved and on my final flight home the flights air was not operating it was unbearably hot in the cabin I will be contacting United and filing a DOT complaint

It was my first time with United Airlines and I would say it was very good experience and best of all the flights were on time. Will definitely fly with United Airlines next time.

Everything was good. Only issue comes from being vegan and flying. The food options are super limited.

Overall good for an economy fare. IMO the movie selection could be improved. Great that you can now connect bluetooth headphones to the entertainment system.

For a four hour flight, I was disappointed that everything was for purchase except for coffee, tea, or water. The disembarking in Iceland was so inefficient and time-consuming. We landed and stopped in the middle of the tarmac, had to disembark in the rain, and then squeeze into a bus which took us to the airport. Crazy! How does that work in winter?

Comfort of seats is not good. Like sitting on a rock for 6 hours. Also no in flight food and limited beverages unless you pay is not nice. Need flight to be dark during the “night” but attendants don’t ask for shades to be lowered..

Iceland airlines doesn't provide any meal on flight to and from New York, except water and soda. Airline over charge for checking in luggage. I'm really upset.

Iceland airlines doesn't provide any meal on flight to and from New York, except water and soda. Airline over charge for checking in luggage. I'm really upset. If there is option to use another company, I suggest to other people use them.

I had an exit row and so was Comfortable on the long flight.

The seats on this airline are sooo small, even for a petite person. I felt like the seat tilted forward and I was fighting to stay in it. The lavatory is horribly small, with a wet floor because the sink is so small you can't help but splash the water all over when washing up.

For an economy lite experience, it's by far the best I've had. New planes, clean, great destinations. Very happy to have discovered Iceland Air.

Smooth efficient airline. Think they should have their own bag drop as the queue took 30mins to bmscan and drop

As always a terrible experience. AA stole a day from my vacation days planned to be spent with my Family. Response: delays related to weather issues.

Even in the premium economy, I found the seats incredibly uncomfortable. I hated that booking through Kayak, it wasn't clear that it was a Level flight, not Iberia. Everything felt cheaply made and not at all worth the airfare we paid.

The flight was over two hours delayed. The aircraft was somewhat dated.

Luggage arrived damaged and protective plastic was lost. I need customer service to contact me or the number for customer service. Thanks.

Provided a good service and I will use it again. Thanks,

Boarding was not well coordinated. I asked twice at the Level check-in area about the MIA flight. At no point did they say the check-in would be at another counter. Fortunately, another passenger was equally confused and got the REAL story from the airport’s info center. Further, my minor child was tagged “SSSS” on their boarding pass. Level should have notified TSA about him being a minor. Instead, the entire family went through the SSSS process, not just our son. When his name was called out at the gate, it was announced in Spanish. No English announcement was made. The food on board was bearable. The crew was adequate, despite not being Level/Iberia crew (Level contracted out our flight to “World2Fly Airlines” - a company I have never heard of!). The onboard entertainment was very limited. They did not even offer a flight tracker option. Nor were music selections offered. Like TAP and Aer Lingus, I will think twice before booking Level ever again.

This ticket was canceled and I did not find out until it was time to check in. I believe the vendor is at fault. Cheap tickets.com I would like to elaborate on the situation to kayak. Can you give me an email address?

we had a flight confirmed then we were called and told we didn't have a flight. I will never use Kayak for a flight again.

You get what you pay for. In general I like the service and flight attendants.

Excellent! Outstanding customer service, the best service I have received. Food was served, dinner, snacks, beverages, crew was there to greet you. 10/10

I meant this flight was not good, the one from Tirana to Frankfurt was better!

I was very grateful for Lufthansa's role in organizing mobility support. The touchscreen on my seat was faulty: slow, stained (I couldn't get it clean), and glitchy. This made selecting movies extremely time consuming, and twice I had to start all over from the beginning.

The crew was the best I’ve ever encountered. Business class was spacious, immaculate, and very modern.

You cancel my flight in the morming and I have only one hour for my transit for Cluj this is not too much

I wish seats were not reclinable. It's so claustrophobic when the person in front of you spends most of a nine hour flight leaned all the way back. The crew was really nice though and the dinner (red Thai curry) was pretty compelling.

Our flights were severely delayed, then canceled and we had to fly out next day with no sleep accommodation help. This led to our baggage being lost and the service reps after baggage couldn’t be bothered to help. They kept sending us to different counters when we were at the right counter to begin with. The only saving grace was the angel woman supervisor with blond hair who helped us put in a missing baggage claim.

The boarding system was all bogus - employees at the boarding gate were not sound like proffesional or may be possibly rational

I got an email in the morning of the flight 1/7, from Kayak, that I was rebooked from UA 906 to LH 430. Nobody at Lufthansa ot United knew about this. I went to both counters. at the airport. Also, Cheap Flights, who I booked the ticket through, did not know. I ended up staying on the United flight. But this was very disturbing, since I got a very late notice that I was rebooked to an earlier flight, I hurried to the airport to find out after a lot of inquiring that this was a mistake. Not a good Kayak experience.

After living in Europe for five years and flying with Lufthansa and KLM airlines, I’ve realized that United Airlines is now a budget carrier. The flight attendant are not friendly. The seats are not comfortable. And everything comes at a cost. I will be flying with KLM and Skyteam like Delta to the US going forward no doubt. United Airlines is not what it once was:

Delayed take off but I think they waited for passengers.

Everything you need to know for your flight from Paris to Illinois

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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