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Cheap flights from Chicago to Brest from $836

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 3/19. 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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Find the cheapest flights from Chicago to Brest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:37 pm - 9:45 am
ORD
-
BES
14h 08m
2 stops
Multiple Airlines Logo
6:15 am - 4:43 pm
BES
-
ORD
16h 28m
2 stops
$836Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Air France Logo
1:37 pm - 9:45 am
ORD
-
BES
14h 08m
2 stops
Air France Logo
7:10 pm - 4:10 pm
BES
-
ORD
27h 00m
1 stop
$885Air France
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
7:15 am - 6:40 pm
ORD
-
BES
29h 25m
3 stops
Multiple Airlines Logo
6:15 am - 11:10 am
BES
-
ORD
34h 55m
2 stops
$1,094Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
8:20 pm - 9:45 am
ORD
-
BES
31h 25m
3 stops
Multiple Airlines Logo
6:15 am - 9:13 am
BES
-
ORD
32h 58m
3 stops
$1,259Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
KLM Logo
12:47 pm - 9:45 am
MDW
-
BES
14h 58m
2 stops
KLM Logo
6:15 am - 5:54 pm
BES
-
MDW
17h 39m
2 stops
$1,316KLM
Thu, Mar 19 - Thu, Mar 26
Air France Logo
6:20 pm - 2:10 pm
ORD
-
BES
13h 50m
1 stop
Air France Logo
7:10 pm - 4:10 pm
BES
-
ORD
27h 00m
1 stop
$1,361Air France
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
11:00 am - 2:10 pm
MDW
-
BES
21h 10m
3 stops
Multiple Airlines Logo
6:15 am - 10:05 am
BES
-
MDW
33h 50m
3 stops
$1,402Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
KLM Logo
5:20 pm - 5:50 pm
ORD
-
BES
17h 30m
1 stop
KLM Logo
10:35 am - 3:10 pm
BES
-
ORD
11h 35m
1 stop
$1,869KLM
Sun, Feb 15 - Wed, Feb 18
KLM Logo
6:30 pm - 5:50 pm
ORD
-
BES
16h 20m
2 stops
KLM Logo
10:35 am - 3:10 pm
BES
-
ORD
11h 35m
1 stop
$1,873KLM
Sun, Feb 15 - Wed, Feb 18
Delta Logo
6:00 am - 9:45 am
MDW
-
BES
20h 45m
2 stops
Delta Logo
6:15 am - 5:37 pm
BES
-
MDW
18h 22m
2 stops
$1,883Delta
Sun, Feb 15 - Wed, Feb 18

KLM flights from Chicago to Brest

Our best KLM deals on Chicago to Brest flight tickets
KLM
Feb 6
ORD5:20 pmChicago O'Hare Intl
13h 50m
1 stop
BES2:10 pmBrest Guipavas
Feb 12
BES6:40 pmBrest Guipavas
27h 30m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,006
KLM
Feb 6
ORD11:15 amChicago O'Hare Intl
15h 30m
2 stops
BES9:45 amBrest Guipavas
Feb 12
BES10:35 amBrest Guipavas
17h 09m
2 stops
ORD8:44 pmChicago O'Hare Intl
$1,007
KLM
Mar 19
MDW12:47 pmChicago Midway
14h 58m
2 stops
BES9:45 amBrest Guipavas
Mar 26
BES6:15 amBrest Guipavas
17h 39m
2 stops
MDW5:54 pmChicago Midway
$1,316

Air France flights from Chicago to Brest

Our best Air France deals on Chicago to Brest flight tickets
Air France
Mar 19
ORD1:37 pmChicago O'Hare Intl
14h 08m
2 stops
BES9:45 amBrest Guipavas
Mar 26
BES7:10 pmBrest Guipavas
27h 00m
1 stop
ORD4:10 pmChicago O'Hare Intl
$885
Air France
Feb 6
ORD5:20 pmChicago O'Hare Intl
13h 50m
1 stop
BES2:10 pmBrest Guipavas
Feb 12
BES6:15 amBrest Guipavas
17h 26m
2 stops
ORD4:41 pmChicago O'Hare Intl
$1,002
Air France
Feb 6
MDW10:48 amChicago Midway
15h 57m
2 stops
BES9:45 amBrest Guipavas
Feb 12
BES6:15 amBrest Guipavas
18h 22m
2 stops
MDW5:37 pmChicago Midway
$1,007

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 February 5, 2026.
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

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 3/19

1:37 pm-9:45 am

2 stops14h 08m

Brest Guipavas

Thu 3/26

6:15 am-4:43 pm

2 stops16h 28m

$836

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 3/19

1:37 pm-9:45 am

2 stops14h 08m

Brest Guipavas

Thu 3/26

7:10 pm-4:10 pm

1 stop27h 00m

$885

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 3/19

7:15 am-6:40 pm

3 stops29h 25m

Brest Guipavas

Thu 3/26

6:15 am-11:10 am

2 stops34h 55m

$1,094

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 3/19

8:20 pm-9:45 am

3 stops31h 25m

Brest Guipavas

Thu 3/26

6:15 am-9:13 am

3 stops32h 58m

$1,259

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Thu 3/19

12:47 pm-9:45 am

2 stops14h 58m

Brest Guipavas

Thu 3/26

6:15 am-5:54 pm

2 stops17h 39m

$1,316

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 3/19

6:20 pm-2:10 pm

1 stop13h 50m

Brest Guipavas

Thu 3/26

7:10 pm-4:10 pm

1 stop27h 00m

$1,361

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Thu 3/19

11:00 am-2:10 pm

3 stops21h 10m

Brest Guipavas

Thu 3/26

6:15 am-10:05 am

3 stops33h 50m

$1,402

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 2/15

5:20 pm-5:50 pm

1 stop17h 30m

Brest Guipavas

Wed 2/18

10:35 am-3:10 pm

1 stop11h 35m

$1,869

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 2/15

6:30 pm-5:50 pm

2 stops16h 20m

Brest Guipavas

Wed 2/18

10:35 am-3:10 pm

1 stop11h 35m

$1,873

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Sun 2/15

6:00 am-9:45 am

2 stops20h 45m

Brest Guipavas

Wed 2/18

6:15 am-5:37 pm

2 stops18h 22m

$1,883

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

Fastest flight time

14h 08m

Direct flights

None
The fastest flight from Chicago to Brest takes 14h 08m
There are no direct flights from Chicago to Brest. There are no popular flight routes from Chicago to Brest.
Search flight deals

  • 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 14h 08m, 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.

Traveling to a place near Brest?

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Why use momondo?

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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