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Cheap flights from Chicago O'Hare Intl Airport to Brest from $1,163

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 O'Hare Intl Airport to Brest departing on 8/16. 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

Find the cheapest flights from Chicago O'Hare Intl Airport to Brest

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
1:44 pm - 9:45 am
ORD
-
BES
13h 01m
2 stops
KLM Logo
10:40 am - 3:10 pm
BES
-
ORD
11h 30m
1 stop
$1,163KLM
Sun, Aug 16 - Sun, Aug 23
Delta Logo
8:48 am - 9:45 am
ORD
-
BES
17h 57m
2 stops
Delta Logo
6:10 am - 6:29 pm
BES
-
ORD
19h 19m
2 stops
$1,174Delta
Sun, Aug 16 - Sun, Aug 23
KLM Logo
11:22 am - 9:45 am
ORD
-
BES
15h 23m
2 stops
KLM Logo
10:20 am - 3:10 pm
BES
-
ORD
11h 50m
1 stop
$1,213KLM
Sat, Aug 15 - Sat, Aug 22
Air France Logo
11:22 am - 9:45 am
ORD
-
BES
15h 23m
2 stops
Air France Logo
6:10 am - 1:50 pm
BES
-
ORD
14h 40m
2 stops
$1,218Air France
Sat, Aug 15 - Sat, Aug 22
Air France Logo
5:10 pm - 10:25 pm
ORD
-
BES
22h 15m
1 stop
Air France Logo
10:40 am - 3:10 pm
BES
-
ORD
11h 30m
1 stop
$1,238Air France
Sun, Aug 16 - Sun, Aug 23
Air France Logo
5:10 pm - 12:10 pm
ORD
-
BES
12h 00m
1 stop
Air France Logo
1:05 pm - 3:10 pm
BES
-
ORD
33h 05m
1 stop
$1,250Air France
Thu, Sep 17 - Mon, Sep 21
Air France Logo
5:10 pm - 12:10 pm
ORD
-
BES
12h 00m
1 stop
Air France Logo
1:05 pm - 3:10 pm
BES
-
ORD
33h 05m
1 stop
$1,251Air France
Thu, Sep 17 - Mon, Sep 21
KLM Logo
12:29 pm - 9:25 am
ORD
-
BES
13h 56m
2 stops
KLM Logo
7:30 pm - 3:10 pm
BES
-
ORD
26h 40m
1 stop
$1,255KLM
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
3:45 pm - 9:45 am
ORD
-
BES
35h 00m
3 stops
Multiple Airlines Logo
6:10 am - 7:15 pm
BES
-
ORD
20h 05m
2 stops
$1,306Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Delta Logo
10:25 am - 9:25 am
ORD
-
BES
16h 00m
2 stops
Delta Logo
1:05 pm - 11:59 pm
BES
-
ORD
17h 54m
2 stops
$1,312Delta
Thu, Sep 17 - Mon, Sep 21

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KLM flights from Chicago O'Hare Intl Airport to Brest

Our best KLM deals on Chicago O'Hare Intl Airport to Brest flight tickets
KLM
Aug 16
ORD1:44 pmChicago O'Hare Intl
13h 01m
2 stops
BES9:45 amBrest Guipavas
Aug 23
BES10:40 amBrest Guipavas
11h 30m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,163
KLM
Aug 15
ORD11:22 amChicago O'Hare Intl
15h 23m
2 stops
BES9:45 amBrest Guipavas
Aug 22
BES10:20 amBrest Guipavas
11h 50m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,213
KLM
Sep 17
ORD12:29 pmChicago O'Hare Intl
13h 56m
2 stops
BES9:25 amBrest Guipavas
Sep 21
BES7:30 pmBrest Guipavas
26h 40m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,255

Delta flights from Chicago O'Hare Intl Airport to Brest

Our best Delta deals on Chicago O'Hare Intl Airport to Brest flight tickets
Delta
Aug 16
ORD8:48 amChicago O'Hare Intl
17h 57m
2 stops
BES9:45 amBrest Guipavas
Aug 23
BES6:10 amBrest Guipavas
19h 19m
2 stops
ORD6:29 pmChicago O'Hare Intl
$1,174
Delta
Sep 17
ORD10:25 amChicago O'Hare Intl
16h 00m
2 stops
BES9:25 amBrest Guipavas
Sep 21
BES1:05 pmBrest Guipavas
17h 54m
2 stops
ORD11:59 pmChicago O'Hare Intl
$1,312
Delta
Jul 16
ORD10:00 amChicago O'Hare Intl
16h 45m
2 stops
BES9:45 amBrest Guipavas
Jul 20
BES6:10 amBrest Guipavas
17h 13m
2 stops
ORD4:23 pmChicago O'Hare Intl
$1,573

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 July 3, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

Sun 8/16

1:44 pm-9:45 am

2 stops13h 01m

Brest Guipavas

Sun 8/23

10:40 am-3:10 pm

1 stop11h 30m

$1,163

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 8/16

8:48 am-9:45 am

2 stops17h 57m

Brest Guipavas

Sun 8/23

6:10 am-6:29 pm

2 stops19h 19m

$1,174

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sat 8/15

11:22 am-9:45 am

2 stops15h 23m

Brest Guipavas

Sat 8/22

10:20 am-3:10 pm

1 stop11h 50m

$1,213

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sat 8/15

11:22 am-9:45 am

2 stops15h 23m

Brest Guipavas

Sat 8/22

6:10 am-1:50 pm

2 stops14h 40m

$1,218

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 8/16

5:10 pm-10:25 pm

1 stop22h 15m

Brest Guipavas

Sun 8/23

10:40 am-3:10 pm

1 stop11h 30m

$1,238

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 9/17

5:10 pm-12:10 pm

1 stop12h 00m

Brest Guipavas

Mon 9/21

1:05 pm-3:10 pm

1 stop33h 05m

$1,250

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 9/17

5:10 pm-12:10 pm

1 stop12h 00m

Brest Guipavas

Mon 9/21

1:05 pm-3:10 pm

1 stop33h 05m

$1,251

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 9/17

12:29 pm-9:25 am

2 stops13h 56m

Brest Guipavas

Mon 9/21

7:30 pm-3:10 pm

1 stop26h 40m

$1,255

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 8/16

3:45 pm-9:45 am

3 stops35h 00m

Brest Guipavas

Sun 8/23

6:10 am-7:15 pm

2 stops20h 05m

$1,306

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 9/17

10:25 am-9:25 am

2 stops16h 00m

Brest Guipavas

Mon 9/21

1:05 pm-11:59 pm

2 stops17h 54m

$1,312

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Brest

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

Cheap Chicago O'Hare Intl Airport to Brest (ORD to BES) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Brest

Fastest flight time

12h 00m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Brest takes 12h 00m
There are no direct flights from Chicago O'Hare Intl Airport to Brest. There are no popular flight routes from Chicago O'Hare Intl Airport to Brest.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Brest

  • How far is Chicago O'Hare Intl to Brest Guipavas by plane?

    Chicago O'Hare Intl and Brest Guipavas are 3878.3 mi apart from one another. By plane, this route typically takes 12h 00m.

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

    Prices for flights from Chicago O'Hare Intl Airport to Brest Guipavas Airport were last updated today.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Brest Guipavas Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Brest Guipavas Airport.

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

    The necessary travel and health documents for your Brest Guipavas Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Brest

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Brest?

    Search flight deals from Chicago O'Hare Intl Airport to Brest. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Chicago O'Hare Intl Airport to Brest with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Brest. momondo saves you time and could save you money on your trip.

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

All flight searches from Chicago to Brest on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Chicago and Brest by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Brest, momondo offers a useful price alert feature which will track prices for flights to Brest from Chicago and alert you when they change.

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