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$610+ Cheap flights from Rennes (RNS) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Rennes to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Rennes (RNS) to Illinois (USIL). 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 21, 2025.

Round-trip from

$610
(KLM)
From Rennes St Jacques to Illinois
Search Deals

Find flight deals from Rennes to Illinois

Cheapest flights from Rennes to Illinois
Explore the most affordable flight options available from Rennes to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This KLM deal was found by Cheapflights users on 1/20. 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.
Thu 2/62:20 pmRNS - ORD
1 stop31h 10mKLM
Mon 2/105:20 pmORD - RNS
1 stop13h 25mKLM
Deal found 1/20$610
This Delta deal was found by Cheapflights users on 1/20. 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 2/62:20 pmRNS - ORD
2 stops16h 29mDelta
Mon 2/1012:45 pmORD - RNS
2 stops18h 00mDelta
Deal found 1/20$614
This Expedia deal was found by Cheapflights users on 1/21. 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.
Thu 4/104:35 pmRNS - ORD
1 stop28h 35mAir France
Sun 4/201:35 pmORD - RNS
2 stops17h 40mAir France
Deal found 1/21$774
This Mytrip deal was found by Cheapflights users on 1/20. 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 2/62:20 pmRNS - ORD
3 stops34h 30mMultiple Airlines
Mon 2/107:40 pmORD - RNS
3 stops35h 05mMultiple Airlines
Deal found 1/20$833
This Delta deal was found by Cheapflights users on 1/20. 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 2/510:30 amRNS - MDW
2 stops18h 50mDelta
Sun 2/95:05 pmMDW - RNS
2 stops13h 40mDelta
Deal found 1/20$895
This Expedia deal was found by Cheapflights users on 1/21. 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.
Sat 7/197:05 amRNS - MDW
2 stops17h 58mMultiple Airlines
Sat 8/95:59 pmMDW - RNS
2 stops15h 26mMultiple Airlines
Deal found 1/21$1,231
This KLM deal was found by Cheapflights users on 1/21. 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.
Thu 4/1010:30 amRNS - MDW
2 stops18h 54mKLM
Sun 4/203:02 pmMDW - RNS
2 stops13h 03mKLM
Deal found 1/21$4,351

Find flights from Rennes to Illinois within your budget

Customize your flight search to find flights from Rennes to Illinois 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 21, 2025.

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Fly to

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Route

Depart

Return

Price

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Thu 2/6

2:20 pm-2:30 pm

1 stop31h 10m

Chicago O'Hare Intl

Mon 2/10

5:20 pm-1:45 pm

1 stop13h 25m

$610

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Thu 2/6

2:20 pm-11:49 pm

2 stops16h 29m

Chicago O'Hare Intl

Mon 2/10

5:20 pm-1:45 pm

1 stop13h 25m

$614

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Thu 4/10

4:35 pm-2:10 pm

1 stop28h 35m

Chicago O'Hare Intl

Sun 4/20

1:35 pm-2:15 pm

2 stops17h 40m

$774

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Thu 2/6

2:20 pm-5:50 pm

3 stops34h 30m

Chicago O'Hare Intl

Mon 2/10

7:40 pm-1:45 pm

3 stops35h 05m

$833

RennesChicago

RNS - MDW

RNSMDW

Rennes St Jacques

Wed 2/5

10:30 am-10:20 pm

2 stops18h 50m

Chicago Midway

Sun 2/9

5:05 pm-1:45 pm

2 stops13h 40m

$895

RennesChicago

RNS - MDW

RNSMDW

Rennes St Jacques

Sat 7/19

7:05 am-6:03 pm

2 stops17h 58m

Chicago Midway

Sat 8/9

5:59 pm-4:25 pm

2 stops15h 26m

$1,231

RennesChicago

RNS - MDW

RNSMDW

Rennes St Jacques

Thu 4/10

10:30 am-10:24 pm

2 stops18h 54m

Chicago Midway

Sun 4/20

3:02 pm-11:05 am

2 stops13h 03m

$4,351

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Best time to book a flight from Rennes to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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.

Travel insights for flights from Rennes to Illinois

Get recent, data-driven insights about flights from Rennes to Illinois including ideal travel times, pricing trends, and more.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated January 21, 2025.
See what other customers who have flown with KLM and Delta from Rennes to Illinois have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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 Illinois. 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 Illinois?

    Rennes St Jacques (RNS) is the airport you will fly out of if you book a flight from Rennes to Illinois. It is only a 4.0 mi journey to St Jacques (RNS) from Rennes’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rennes to Illinois 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 Illinois?

    Currently, August is the cheapest month in which you can book a flight from Rennes to Illinois (average of $245). Flying from Rennes to Illinois in March is currently the most expensive (average of $320). 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

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