$852 Cheap Flights from Brest (BES) to Chicago (ORD)

View $852 flight on Wed, May 20, 2026Opens in a new window

Popular airlines from Brest (BES-Brest - Brittany) to Chicago O'Hare Intl. Airport (ORD)

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Cheap Flights from Brest to Chicago (BES-ORD)

Prices were available within the past 7 days and start at $852 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Brest - Brittany Airport (BES) to O'Hare Intl. Airport (ORD) cost?
Secure a cheap one-way flight from $852 or cheap return flight from Brest - Brittany Airport (BES) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Brest - Brittany Airport (BES) to O'Hare Intl. Airport (ORD)?
Traveling in is a great way to save, as it's the cheapest month for flights between BES and ORD. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Brest - Brittany Airport (BES) to O'Hare Intl. Airport (ORD)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from BES to ORD. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Brest - Brittany Airport (BES) to O'Hare Intl. Airport (ORD)?
Nonstop flights from Brest - Brittany Airport (BES) to O'Hare Intl. Airport (ORD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BES to ORD?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on various factors, such as the carrier 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 Brest - Brittany Airport (BES) to O'Hare Intl. Airport (ORD)?
To avoid potential delays on the Brest - Brittany Airport (BES) to O'Hare Intl. Airport (ORD) route, aim to travel before 3 PM. Flights after this time are 22% more likely to be 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 Brest - Brittany Airport (BES) to O'Hare Intl. Airport (ORD) last-minute?
Waiting until just before your departure to book a flight from BES to ORD generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a BES to ORD flight and hotel package?
Compared with arranging hotels and flights separately, booking a BES to ORD flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Brest - Brittany Airport (BES) to O'Hare Intl. Airport (ORD)?
If you booked your BES to ORD flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Brest - Brittany
Destination airport
O'Hare Intl.
Distance
3882 mi

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Brest to Chicago Flights

The cheapest times to fly from Brest to Chicago

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 Brest to Chicago are during the month of . You can find some of the cheapest flights from Brest to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Brest to Chicago

Sunday is one of the best days to book for cheap flights from Brest to Chicago: 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 Brest to Chicago

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 Brest to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $852 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 Brest to Chicago 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 Brest to Chicago 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.

 

Brest to Chicago Flights

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*Available to One Key members.