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$674+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — CHI
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap 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 April 1, 2025.

Round-trip from

$737
(Air France)

One-way from

$674
(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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Find 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 April 1, 2025.

This Air France deal was found by Cheapflights users on 3/30. 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.
Wed 6/1810:30 amRNS - ORD
2 stops18h 04mAir France
Mon 6/305:10 pmORD - RNS
1 stop13h 35mAir France
Deal found 3/30$737
This Air France deal was found by Cheapflights users on 3/30. 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.
Wed 6/1810:30 amRNS - MDW
2 stops18h 08mAir France
Mon 6/306:25 pmMDW - RNS
2 stops12h 20mAir France
Deal found 3/30$737
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/184:45 pmRNS - ORD
1 stop28h 25mKLM
Mon 6/305:10 pmORD - RNS
1 stop13h 35mKLM
Deal found 3/30$754
This Delta deal was found by Cheapflights users on 3/31. 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.
Wed 4/1611:45 amRNS - ORD
2 stops19h 14mDelta
Sun 4/205:10 pmORD - RNS
1 stop14h 05mDelta
Deal found 3/31$764
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 4/154:35 pmRNS - MDW
2 stops32h 45mDelta
Sat 4/193:02 pmMDW - RNS
2 stops41h 58mDelta
Deal found 3/30$786
This Expedia deal was found by Cheapflights users on 3/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1611:45 amRNS - ORD
2 stops19h 14mMultiple Airlines
Sun 4/205:10 pmORD - RNS
1 stop14h 05mMultiple Airlines
Deal found 3/31$837

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 April 1, 2025.
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

Wed 6/18

10:30 am-9:34 pm

2 stops18h 04m

Chicago O'Hare Intl

Mon 6/30

5:10 pm-1:45 pm

1 stop13h 35m

$737

RennesChicago

RNS - MDW

RNSMDW

Rennes St Jacques

Wed 6/18

10:30 am-9:38 pm

2 stops18h 08m

Chicago Midway

Mon 6/30

6:25 pm-1:45 pm

2 stops12h 20m

$737

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Wed 6/18

4:45 pm-2:10 pm

1 stop28h 25m

Chicago O'Hare Intl

Mon 6/30

5:10 pm-1:45 pm

1 stop13h 35m

$754

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Wed 4/16

11:45 am-11:59 pm

2 stops19h 14m

Chicago O'Hare Intl

Sun 4/20

5:10 pm-2:15 pm

1 stop14h 05m

$764

RennesChicago

RNS - MDW

RNSMDW

Rennes St Jacques

Tue 4/15

4:35 pm-6:20 pm

2 stops32h 45m

Chicago Midway

Sat 4/19

3:02 pm-4:00 pm

2 stops41h 58m

$786

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Wed 4/16

11:45 am-11:59 pm

2 stops19h 14m

Chicago O'Hare Intl

Sun 4/20

5:10 pm-2:15 pm

1 stop14h 05m

$837

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Thu 7/17

12:05 pm-9:40 am

2 stops28h 35m

$674

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Wed 7/16

4:00 pm-7:00 pm

1 stop34h 00m

$767

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Mon 7/14

8:00 am-4:44 pm

2 stops39h 44m

$962

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Sun 7/13

11:20 am-2:10 pm

1 stop33h 50m

$1,629

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 13 results
1
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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

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated April 1, 2025.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,789 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,061 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Rennes to Chicago round-trip?

    Cheapflights users have booked flights from Rennes to Chicago round-trip from $737. Other airlines that can offer you cheap pricing are KLM, from $754, and Delta, from $764.

  • What are the cheapest airlines to fly from Rennes to Chicago one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $767. WestJet flights start at $962 while deals on KLM start at $1,629 one-way.

  • 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, August is the cheapest month in which you can book a flight from Rennes to Chicago (average of $245). Flying from Rennes to Chicago in March is currently the most expensive (average of $323). 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 Rennes?

Book flights to Rennes if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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