$713 Cheap Flights from Chicago (ORD) to Rennes (RNS)

View $713 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Rennes (RNS-Saint-Jacques)

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Cheap Flights from Chicago to Rennes (ORD-RNS)

Prices were available within the past 7 days and start at $713 for one-way flights and $804 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Apr 26 - Wed, May 6
ORD
Chicago
RNS
Rennes
$804 Roundtrip, found 6 days ago
$804
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Apr 26 from Chicago to Rennes, returning Wed, May 6, priced at $804 found 6 days ago
KLM
Tue, Jan 6 - Mon, May 18
ORD
Chicago
RNS
Rennes
$910 Roundtrip, found 2 days ago
$910
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Jan 6 from Chicago to Rennes, returning Mon, May 18, priced at $910 found 2 days ago

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Saint-Jacques Airport (RNS) cost?
Lock in a cheap one-way flight from $713 or cheap return flight from $804 from O'Hare Intl. Airport (ORD) to Saint-Jacques Airport (RNS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Saint-Jacques Airport (RNS)?
Flying in April may help you find better deals, as it's the cheapest month for flights between ORD and RNS. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Saint-Jacques Airport (RNS)?
To find the cheapest airline flying from ORD to RNS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from O'Hare Intl. Airport (ORD) to Saint-Jacques Airport (RNS)?
You'll have to take a flight with a layover if you're traveling from O'Hare Intl. Airport (ORD) to Saint-Jacques Airport (RNS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from ORD to RNS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Saint-Jacques Airport (RNS)?
To avoid potential delays on the O'Hare Intl. Airport (ORD) to Saint-Jacques Airport (RNS) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Saint-Jacques Airport (RNS) last-minute?
Last-minute fares from ORD to RNS are typically more expensive. To lock in the lowest prices, start looking for flights well in advance. That being said, if your travel plans are flexible, you may score a cheap ticket right before you leave.
Is it cheaper to book an ORD to RNS flight and hotel package?
Compared with arranging hotels and flights separately, booking an ORD to RNS flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Just secure your flights and select from our extensive range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Saint-Jacques Airport (RNS)?
In most instances, you can modify or cancel your ORD to RNS flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further information, go to our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Saint-Jacques
Roundtrip price
$804
Distance
4003 mi

Book with confidence

Chicago to Rennes Flights

The cheapest times to fly from Chicago to Rennes

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Rennes are during the month of April. You can find some of the cheapest flights from Chicago to Rennes with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Rennes

Sunday is one of the best days to book for cheap flights from Chicago to Rennes: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Rennes

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Rennes in 2025. You can also book with separate airlines for your outbound and return journeys, from $713 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Rennes flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Rennes airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Rennes Flights

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*Available to One Key members.