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Cheap flights from Chicago to Brest from $1,077

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 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
KLM Logo
5:10 pm - 1:15 pm
ORD
-
BES
13h 05m
1 stop
KLM Logo
6:10 am - 3:10 pm
BES
-
ORD
16h 00m
1 stop
$1,077KLM
Sat, May 2 - Sat, May 9
Air France Logo
5:59 pm - 9:25 am
ORD
-
BES
32h 26m
2 stops
Air France Logo
3:30 pm - 3:10 pm
BES
-
ORD
30h 40m
1 stop
$1,096Air France
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
7:15 pm - 11:05 pm
ORD
-
BES
20h 50m
2 stops
Multiple Airlines Logo
6:10 am - 4:10 pm
BES
-
ORD
17h 00m
2 stops
$1,099Multiple Airlines
Sat, May 2 - Sat, May 9
Delta Logo
7:10 am - 9:25 am
ORD
-
BES
19h 15m
2 stops
Delta Logo
10:20 am - 8:24 pm
BES
-
ORD
17h 04m
2 stops
$1,137Delta
Sat, May 2 - Sat, May 9
KLM Logo
9:46 am - 1:15 pm
MDW
-
BES
20h 29m
2 stops
KLM Logo
6:10 am - 6:33 pm
BES
-
MDW
19h 23m
2 stops
$1,143KLM
Sat, May 2 - Sat, May 9
Delta Logo
11:18 am - 9:25 am
MDW
-
BES
15h 07m
2 stops
Delta Logo
10:20 am - 9:09 pm
BES
-
MDW
17h 49m
2 stops
$1,212Delta
Sat, May 2 - Sat, May 9
KLM Logo
5:10 pm - 12:10 pm
ORD
-
BES
12h 00m
1 stop
KLM Logo
7:30 pm - 3:10 pm
BES
-
ORD
26h 40m
1 stop
$1,246KLM
Fri, Apr 3 - Mon, Apr 6
Multiple Airlines Logo
7:15 pm - 11:00 pm
ORD
-
BES
20h 45m
3 stops
Multiple Airlines Logo
6:10 am - 4:10 pm
BES
-
ORD
17h 00m
2 stops
$1,260Multiple Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
11:25 am - 11:05 pm
ORD
-
BES
28h 40m
3 stops
Multiple Airlines Logo
3:30 pm - 6:15 pm
BES
-
ORD
33h 45m
3 stops
$1,265Multiple Airlines
Sat, May 2 - Sat, May 9
Air France Logo
5:40 pm - 2:50 pm
ORD
-
BES
14h 10m
2 stops
Air France Logo
7:30 pm - 3:10 pm
BES
-
ORD
26h 40m
1 stop
$1,310Air France
Fri, Apr 3 - Mon, Apr 6

KLM flights from Chicago to Brest

Our best KLM deals on Chicago to Brest flight tickets
KLM
May 2
ORD5:10 pmChicago O'Hare Intl
13h 05m
1 stop
BES1:15 pmBrest Guipavas
May 9
BES6:10 amBrest Guipavas
16h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,077
KLM
Apr 3
ORD5:10 pmChicago O'Hare Intl
12h 00m
1 stop
BES12:10 pmBrest Guipavas
Apr 6
BES7:30 pmBrest Guipavas
26h 40m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,246
KLM
Apr 1
ORD5:10 pmChicago O'Hare Intl
18h 40m
1 stop
BES6:50 pmBrest Guipavas
Apr 4
BES6:10 amBrest Guipavas
16h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,722

Air France flights from Chicago to Brest

Our best Air France deals on Chicago to Brest flight tickets
Air France
May 2
ORD5:59 pmChicago O'Hare Intl
32h 26m
2 stops
BES9:25 amBrest Guipavas
May 9
BES3:30 pmBrest Guipavas
30h 40m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,096
Air France
Apr 3
ORD5:40 pmChicago O'Hare Intl
14h 10m
2 stops
BES2:50 pmBrest Guipavas
Apr 6
BES7:30 pmBrest Guipavas
26h 40m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,310
Air France
Apr 1
ORD11:10 amChicago O'Hare Intl
15h 15m
2 stops
BES9:25 amBrest Guipavas
Apr 4
BES6:10 amBrest Guipavas
17h 08m
2 stops
ORD4:18 pmChicago O'Hare Intl
$1,796

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 March 23, 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

Cheapest round-trip
Quickest round-trip

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sat 5/2

5:10 pm-1:15 pm

1 stop13h 05m

Brest Guipavas

Sat 5/9

6:10 am-3:10 pm

1 stop16h 00m

$1,077

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sat 5/2

5:59 pm-9:25 am

2 stops32h 26m

Brest Guipavas

Sat 5/9

3:30 pm-3:10 pm

1 stop30h 40m

$1,096

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sat 5/2

7:15 pm-11:05 pm

2 stops20h 50m

Brest Guipavas

Sat 5/9

6:10 am-4:10 pm

2 stops17h 00m

$1,099

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sat 5/2

7:10 am-9:25 am

2 stops19h 15m

Brest Guipavas

Sat 5/9

10:20 am-8:24 pm

2 stops17h 04m

$1,137

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Sat 5/2

9:46 am-1:15 pm

2 stops20h 29m

Brest Guipavas

Sat 5/9

6:10 am-6:33 pm

2 stops19h 23m

$1,143

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Sat 5/2

11:18 am-9:25 am

2 stops15h 07m

Brest Guipavas

Sat 5/9

10:20 am-9:09 pm

2 stops17h 49m

$1,212

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 4/3

5:10 pm-12:10 pm

1 stop12h 00m

Brest Guipavas

Mon 4/6

7:30 pm-3:10 pm

1 stop26h 40m

$1,246

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sat 5/2

7:15 pm-11:00 pm

3 stops20h 45m

Brest Guipavas

Sat 5/9

6:10 am-4:10 pm

2 stops17h 00m

$1,260

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sat 5/2

11:25 am-11:05 pm

3 stops28h 40m

Brest Guipavas

Sat 5/9

3:30 pm-6:15 pm

3 stops33h 45m

$1,265

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 4/3

5:40 pm-2:50 pm

2 stops14h 10m

Brest Guipavas

Mon 4/6

7:30 pm-3:10 pm

1 stop26h 40m

$1,310

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

12h 00m

Direct flights

None
The fastest flight from Chicago to Brest takes 12h 00m
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 12h 00m, 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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