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Cheap flights from Chicago to Brest from $820

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Brest departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Air France Logo
12:50 pm - 6:20 pmMDW-BES
22h 30m2 stops
Air France Logo
6:15 am - 11:47 pmBES-MDW
24h 32m2 stops
$820Air France
Find Deal
Fri, Dec 5 - Tue, Dec 9
KLM Logo
5:20 pm - 2:10 pmORD-BES
13h 50m1 stop
KLM Logo
6:15 am - 3:10 pmBES-ORD
15h 55m1 stop
$900KLM
Find Deal
Thu, Nov 13 - Tue, Nov 18
Delta Logo
5:30 am - 9:15 amORD-BES
20h 45m2 stops
Delta Logo
6:15 am - 3:10 pmBES-ORD
15h 55m1 stop
$907Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Delta Logo
6:45 am - 9:15 amORD-BES
19h 30m2 stops
Delta Logo
10:05 am - 3:10 pmBES-ORD
12h 05m1 stop
$908Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Delta Logo
10:40 am - 9:15 amORD-BES
15h 35m2 stops
Delta Logo
6:15 am - 6:11 pmBES-ORD
18h 56m2 stops
$917Delta
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Thu, Nov 13 - Tue, Nov 18
Delta Logo
10:36 am - 9:15 amORD-BES
15h 39m2 stops
Delta Logo
6:15 am - 8:35 pmBES-ORD
21h 20m2 stops
$918Delta
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Fri, Dec 5 - Tue, Dec 9
Air France Logo
5:20 pm - 2:10 pmORD-BES
13h 50m1 stop
Air France Logo
6:15 am - 3:10 pmBES-ORD
15h 55m1 stop
$955Air France
Find Deal
Fri, Dec 5 - Tue, Dec 9
KLM Logo
10:47 am - 9:15 amMDW-BES
15h 28m2 stops
KLM Logo
6:15 am - 11:40 pmBES-MDW
24h 25m2 stops
$967KLM
Find Deal
Thu, Nov 13 - Tue, Nov 18
KLM Logo
1:14 pm - 2:10 pmMDW-BES
17h 56m2 stops
KLM Logo
6:15 am - 6:00 pmBES-MDW
18h 45m2 stops
$969KLM
Find Deal
Fri, Dec 5 - Tue, Dec 9
KLM Logo
1:14 pm - 6:20 pmMDW-BES
22h 06m2 stops
KLM Logo
6:15 am - 6:00 pmBES-MDW
18h 45m2 stops
$970KLM
Find Deal
Fri, Dec 5 - Tue, Dec 9

Air France flights from Chicago to Brest

Our best Air France deals on Chicago to Brest flight tickets
Air France
Dec 5
MDW12:50 pmChicago Midway
22h 30m
2 stops
BES6:20 pmBrest Guipavas
Dec 9
BES6:15 amBrest Guipavas
24h 32m
2 stops
MDW11:47 pmChicago Midway
$820
Find similar
Air France
Dec 5
ORD5:20 pmChicago O'Hare Intl
13h 50m
1 stop
BES2:10 pmBrest Guipavas
Dec 9
BES6:15 amBrest Guipavas
15h 55m
1 stop
ORD3:10 pmChicago O'Hare Intl
$955
Find similar

KLM flights from Chicago to Brest

Our best KLM deals on Chicago to Brest flight tickets
KLM
Nov 13
ORD5:20 pmChicago O'Hare Intl
13h 50m
1 stop
BES2:10 pmBrest Guipavas
Nov 18
BES6:15 amBrest Guipavas
15h 55m
1 stop
ORD3:10 pmChicago O'Hare Intl
$900
Find similar
KLM
Nov 13
MDW10:47 amChicago Midway
15h 28m
2 stops
BES9:15 amBrest Guipavas
Nov 18
BES6:15 amBrest Guipavas
24h 25m
2 stops
MDW11:40 pmChicago Midway
$967
Find similar
KLM
Dec 5
MDW1:14 pmChicago Midway
17h 56m
2 stops
BES2:10 pmBrest Guipavas
Dec 9
BES6:15 amBrest Guipavas
18h 45m
2 stops
MDW6:00 pmChicago Midway
$969
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Brest 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, momondo users made 832,500 searches. Data last updated November 2, 2025.
Use the filters below to find and compare flights from Chicago to Brest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Fri 12/5

12:50 pm-6:20 pm

2 stops22h 30m

Brest Guipavas

Tue 12/9

6:15 am-11:47 pm

2 stops24h 32m

$820

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 11/13

5:20 pm-2:10 pm

1 stop13h 50m

Brest Guipavas

Tue 11/18

6:15 am-3:10 pm

1 stop15h 55m

$900

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 12/5

5:30 am-9:15 am

2 stops20h 45m

Brest Guipavas

Tue 12/9

6:15 am-3:10 pm

1 stop15h 55m

$907

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 12/5

6:45 am-9:15 am

2 stops19h 30m

Brest Guipavas

Tue 12/9

10:05 am-3:10 pm

1 stop12h 05m

$908

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 11/13

10:40 am-9:15 am

2 stops15h 35m

Brest Guipavas

Tue 11/18

6:15 am-6:11 pm

2 stops18h 56m

$917

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 12/5

10:36 am-9:15 am

2 stops15h 39m

Brest Guipavas

Tue 12/9

6:15 am-8:35 pm

2 stops21h 20m

$918

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 12/5

5:20 pm-2:10 pm

1 stop13h 50m

Brest Guipavas

Tue 12/9

6:15 am-3:10 pm

1 stop15h 55m

$955

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Thu 11/13

10:47 am-9:15 am

2 stops15h 28m

Brest Guipavas

Tue 11/18

6:15 am-11:40 pm

2 stops24h 25m

$967

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Fri 12/5

1:14 pm-2:10 pm

2 stops17h 56m

Brest Guipavas

Tue 12/9

6:15 am-6:00 pm

2 stops18h 45m

$969

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Fri 12/5

1:14 pm-6:20 pm

2 stops22h 06m

Brest Guipavas

Tue 12/9

6:15 am-6:00 pm

2 stops18h 45m

$970

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago to Brest

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Brest according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Brest (CHI to BES) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Brest

Direct flights

None
There are no direct flights from Chicago to Brest. There are no popular flight routes from Chicago to Brest.
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  • How far is Chicago to Brest Guipavas by plane?

    Chicago and Brest Guipavas are 3871.4 mi apart from one another. Flights usually cover this in 13h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago to Brest Guipavas Airport?

    Prices for flights from Chicago to Brest Guipavas Airport were last updated today.

  • How old do you have to be to fly from Chicago to Brest Guipavas Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Brest Guipavas Airport.

  • What documentation or ID do you need to fly to Brest Guipavas Airport?

    The travel and health documents required for your trip to Brest Guipavas Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brest Guipavas Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Chicago to Brest?

    Price Alerts will notify you by email when the price for flights to Brest from Chicago decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Chicago to Brest with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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Why should I use momondo to find a flight deal from Chicago to Brest?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Brest for you.

Can I find flights from Chicago to Brest with flexible booking policies on momondo?

Yes. All flights to Brest from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Brest?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brest from Chicago.

I’m not ready to book a flight from Chicago to Brest right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Brest from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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