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$681+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
RNS — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Rennes to Illinois

Keep the following information in mind while searching for Rennes to Illinois flight deals. Data was last updated February 20, 2025.

Round-trip from

$681
(Delta)
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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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.
Sat 3/811:25 amRNS - ORD
2 stops16h 59mDelta
Wed 3/1210:35 amORD - RNS
2 stops21h 10mDelta
Deal found 2/20$681
This Delta deal was found by Cheapflights users on 2/20. 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.
Sat 3/811:25 amRNS - MDW
2 stops17h 55mDelta
Wed 3/122:55 pmMDW - RNS
2 stops16h 55mDelta
Deal found 2/20$817
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Sat 3/82:20 pmRNS - ORD
3 stops32h 10mMultiple Airlines
Wed 3/128:15 pmORD - RNS
3 stops35h 35mMultiple Airlines
Deal found 2/20$963

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 February 20, 2025.

Fly from

Rennes

Fly to

Illinois

Route

Depart

Return

Price

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Sat 3/8

11:25 am-9:24 pm

2 stops16h 59m

Chicago O'Hare Intl

Wed 3/12

10:35 am-1:45 pm

2 stops21h 10m

$681

RennesChicago

RNS - MDW

RNSMDW

Rennes St Jacques

Sat 3/8

11:25 am-10:20 pm

2 stops17h 55m

Chicago Midway

Wed 3/12

2:55 pm-1:50 pm

2 stops16h 55m

$817

RennesChicago

RNS - ORD

RNSORD

Rennes St Jacques

Sat 3/8

2:20 pm-3:30 pm

3 stops32h 10m

Chicago O'Hare Intl

Wed 3/12

8:15 pm-1:50 pm

3 stops35h 35m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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 February 20, 2025.
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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 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 $321). 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.

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