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$408+ Cheap flights from Rennes (RNS) to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — CHI
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Rennes to Chicago

Cheapest flights from Rennes to Chicago
Explore the most affordable flight options available from Rennes to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1211:05 am
RNS
-
ORD
2 stops19h 51m
Delta
Mon 2/162:05 pm
ORD
-
RNS
2 stops13h 15m
Delta
Deal found 1/27$743
This Air France deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1211:05 am
RNS
-
MDW
2 stops18h 26m
Air France
Mon 2/1612:45 pm
MDW
-
RNS
2 stops14h 35m
Air France
Deal found 1/27$743
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1211:05 am
RNS
-
ORD
1 stop11h 05m
Delta
Thu 3/197:00 am
ORD
-
RNS
2 stops21h 20m
Delta
Deal found 1/26$802
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/128:45 pm
RNS
-
ORD
2 stops23h 40m
Multiple Airlines
Mon 2/166:50 pm
ORD
-
RNS
3 stops32h 30m
Multiple Airlines
Deal found 1/27$978
This Mytrip deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:45 pm
RNS
-
ORD
2 stops25h 40m
Multiple Airlines
Thu 3/197:17 am
ORD
-
RNS
3 stops31h 18m
Multiple Airlines
Deal found 1/26$1,000
This Trip.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:35 pm
RNS
-
MDW
2 stops30h 19m
KLM
Thu 3/192:05 pm
MDW
-
RNS
2 stops21h 00m
KLM
Deal found 1/26$1,196

Find flight deals from Rennes to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Rennes (RNS) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 28, 2026.

Round-trip from

$743
(Delta)

One-way from

$408
(Trip.com)
From Rennes St Jacques to Chicago (CHI)
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One-way flight from Rennes St Jacques to Chicago (CHI)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Rennes to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Rennes to Chicago that are best for you.

Fly from

Rennes

Fly to

Chicago

Route

Depart

Return

Price

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Thu 2/12

11:05 am-11:56 pm

2 stops19h 51m

Chicago O'Hare Intl

Mon 2/16

2:05 pm-10:20 am

2 stops13h 15m

$743

RennesChicago

RNS - MDW

RNSMDW

Rennes St Jacques

Thu 2/12

11:05 am-10:31 pm

2 stops18h 26m

Chicago Midway

Mon 2/16

12:45 pm-10:20 am

2 stops14h 35m

$743

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Thu 3/12

11:05 am-4:10 pm

1 stop11h 05m

Chicago O'Hare Intl

Thu 3/19

7:00 am-10:20 am

2 stops21h 20m

$802

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Thu 2/12

8:45 pm-1:25 pm

2 stops23h 40m

Chicago O'Hare Intl

Mon 2/16

6:50 pm-10:20 am

3 stops32h 30m

$978

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Thu 3/12

8:45 pm-4:25 pm

2 stops25h 40m

Chicago O'Hare Intl

Thu 3/19

7:17 am-8:35 pm

3 stops31h 18m

$1,000

RennesChicago

RNS - MDW

RNSMDW

Rennes St Jacques

Thu 3/12

5:35 pm-5:54 pm

2 stops30h 19m

Chicago Midway

Thu 3/19

2:05 pm-5:05 pm

2 stops21h 00m

$1,196

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Fri 4/24

4:25 pm-6:15 pm

2 stops32h 50m

$408

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Sun 3/22

2:10 pm-12:07 am

3 stops39h 57m

$477

RennesChicago

RNS - MDW

RNSMDW

Rennes St Jacques

Sun 3/22

10:15 pm-1:02 pm

3 stops44h 47m

$515

RennesChicago

RNS - MDW

RNSMDW

Rennes St Jacques

Fri 4/24

4:25 pm-8:04 am

3 stops46h 39m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Best time to book a flight from Rennes to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Rennes with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rennes to Chicago

What is the cheapest month to book a flight from Rennes to Chicago?

Currently, April is the cheapest month in which you can book a flight from Rennes to Chicago (average of $520). Flying from Rennes to Chicago in July is currently the most expensive (average of $763). 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.

Related info for your journey

Find useful and relevant information for your journey from Rennes to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rennes to Chicago?

    Rennes St Jacques (RNS), located 4.0 mi from the city center, is the airport you fly out of when you book flights from Rennes to Chicago. 0 airlines have flights from St Jacques to Chicago on a regular basis. Booking flights from Rennes St Jacques to Chicago should not be difficult; the airport handles an average of 0 outbound flights to Chicago per day.

  • How long is the flight from Rennes to Chicago?

    A quick flight from Rennes to Chicago can take about 18h 26m. Delta provides one of the quickest options available for as low as $743. The distance from Rennes to Chicago is about 4002 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Rennes to Chicago that include hotel bookings?

    Yes. In addition to deals on Rennes to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rennes to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rennes to Chicago.

  • Can I find deals for business class flights from Rennes to Chicago?

    Yes. Cheapflights offers flight deals from Rennes to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rennes to Chicago?

    Currently, April is the cheapest month in which you can book a flight from Rennes to Chicago (average of $520). Flying from Rennes to Chicago in July is currently the most expensive (average of $763). 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.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lansing
Merrillville
Hammond
Porter
Benton Harbor

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