Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Chicago to Brest from $1,185

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 5/11. 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
0 bags

Find the cheapest flights from Chicago to Brest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:20 am - 11:15 pm
ORD
-
BES
30h 55m
3 stops
Multiple Airlines Logo
1:00 pm - 4:05 pm
BES
-
ORD
34h 05m
2 stops
$1,185Multiple Airlines
Mon, May 11 - Fri, May 15
Multiple Airlines Logo
8:45 am - 12:10 pm
ORD
-
BES
20h 25m
2 stops
Multiple Airlines Logo
6:10 am - 8:08 pm
BES
-
ORD
20h 58m
2 stops
$1,187Multiple Airlines
Mon, May 11 - Fri, May 15
Multiple Airlines Logo
5:10 pm - 12:10 pm
ORD
-
BES
12h 00m
1 stop
Multiple Airlines Logo
1:00 pm - 4:05 pm
BES
-
ORD
34h 05m
2 stops
$1,227Multiple Airlines
Mon, May 11 - Fri, May 15
KLM Logo
5:10 pm - 2:50 pm
ORD
-
BES
14h 40m
1 stop
KLM Logo
7:30 pm - 3:10 pm
BES
-
ORD
26h 40m
1 stop
$1,239KLM
Fri, May 8 - Mon, May 11
Air France Logo
11:26 am - 9:25 am
ORD
-
BES
14h 59m
2 stops
Air France Logo
7:30 pm - 3:10 pm
BES
-
ORD
26h 40m
1 stop
$1,243Air France
Fri, May 8 - Mon, May 11
Multiple Airlines Logo
8:45 am - 2:45 pm
ORD
-
BES
23h 00m
2 stops
Multiple Airlines Logo
6:45 am - 7:40 pm
BES
-
ORD
19h 55m
2 stops
$1,255Multiple Airlines
Sun, May 10 - Wed, May 13
Air France Logo
2:00 pm - 12:10 pm
ORD
-
BES
15h 10m
2 stops
Air France Logo
1:05 pm - 9:53 pm
BES
-
ORD
15h 48m
2 stops
$1,290Air France
Fri, May 8 - Mon, May 11
Multiple Airlines Logo
8:45 am - 6:40 pm
ORD
-
BES
26h 55m
3 stops
Multiple Airlines Logo
10:05 am - 9:25 pm
BES
-
ORD
18h 20m
2 stops
$1,397Multiple Airlines
Mon, Oct 5 - Wed, Oct 7
Delta Logo
10:59 am - 9:25 am
MDW
-
BES
15h 26m
2 stops
Delta Logo
6:10 am - 4:12 pm
BES
-
MDW
17h 02m
2 stops
$1,707Delta
Mon, May 11 - Fri, May 15
Delta Logo
10:59 am - 9:25 am
MDW
-
BES
15h 26m
2 stops
Delta Logo
6:10 am - 4:12 pm
BES
-
MDW
17h 02m
2 stops
$1,712Delta
Sun, May 10 - Wed, May 13

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

KLM flights from Chicago to Brest

Our best KLM deals on Chicago to Brest flight tickets
KLM
May 8
ORD5:10 pmChicago O'Hare Intl
14h 40m
1 stop
BES2:50 pmBrest Guipavas
May 11
BES7:30 pmBrest Guipavas
26h 40m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,239
KLM
May 11
ORD5:10 pmChicago O'Hare Intl
18h 40m
1 stop
BES6:50 pmBrest Guipavas
May 15
BES6:10 amBrest Guipavas
16h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,697
KLM
May 10
ORD5:10 pmChicago O'Hare Intl
18h 40m
1 stop
BES6:50 pmBrest Guipavas
May 13
BES10:20 amBrest Guipavas
11h 50m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,698

Delta flights from Chicago to Brest

Our best Delta deals on Chicago to Brest flight tickets
Delta
May 8
MDW6:23 amChicago Midway
20h 02m
2 stops
BES9:25 amBrest Guipavas
May 11
BES6:10 amBrest Guipavas
17h 02m
2 stops
MDW4:12 pmChicago Midway
$1,429
Delta
May 11
MDW10:59 amChicago Midway
15h 26m
2 stops
BES9:25 amBrest Guipavas
May 15
BES6:10 amBrest Guipavas
17h 02m
2 stops
MDW4:12 pmChicago Midway
$1,707
Delta
May 10
MDW10:59 amChicago Midway
15h 26m
2 stops
BES9:25 amBrest Guipavas
May 13
BES6:10 amBrest Guipavas
17h 02m
2 stops
MDW4:12 pmChicago Midway
$1,712

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 April 29, 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

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Mon 5/11

9:20 am-11:15 pm

3 stops30h 55m

Brest Guipavas

Fri 5/15

1:00 pm-4:05 pm

2 stops34h 05m

$1,185

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Mon 5/11

8:45 am-12:10 pm

2 stops20h 25m

Brest Guipavas

Fri 5/15

6:10 am-8:08 pm

2 stops20h 58m

$1,187

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Mon 5/11

5:10 pm-12:10 pm

1 stop12h 00m

Brest Guipavas

Fri 5/15

1:00 pm-4:05 pm

2 stops34h 05m

$1,227

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 5/8

5:10 pm-2:50 pm

1 stop14h 40m

Brest Guipavas

Mon 5/11

7:30 pm-3:10 pm

1 stop26h 40m

$1,239

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 5/8

11:26 am-9:25 am

2 stops14h 59m

Brest Guipavas

Mon 5/11

7:30 pm-3:10 pm

1 stop26h 40m

$1,243

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 5/10

8:45 am-2:45 pm

2 stops23h 00m

Brest Guipavas

Wed 5/13

6:45 am-7:40 pm

2 stops19h 55m

$1,255
Quickest round-trip

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 5/8

2:00 pm-12:10 pm

2 stops15h 10m

Brest Guipavas

Mon 5/11

1:05 pm-9:53 pm

2 stops15h 48m

$1,290

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Mon 10/5

8:45 am-6:40 pm

3 stops26h 55m

Brest Guipavas

Wed 10/7

10:05 am-9:25 pm

2 stops18h 20m

$1,397

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Mon 5/11

10:59 am-9:25 am

2 stops15h 26m

Brest Guipavas

Fri 5/15

6:10 am-4:12 pm

2 stops17h 02m

$1,707

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Sun 5/10

10:59 am-9:25 am

2 stops15h 26m

Brest Guipavas

Wed 5/13

6:10 am-4:12 pm

2 stops17h 02m

$1,712

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

15h 26m

Direct flights

None
The fastest flight from Chicago to Brest takes 15h 26m
There are no direct flights from Chicago to Brest. There are no popular flight routes from Chicago to Brest.
Search flight deals

Frequently asked questions about flying from Chicago to Brest

  • 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 15h 26m, 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.

Frequently asked questions about flying from Chicago to Brest

  • 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?

Book flights to Brest if you plan to visit one of these locations
Roscoff

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.

An easier way to manage your Brest trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 5/29
Fri 6/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to France