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Cheap flights from Chicago O'Hare Intl Airport to Brest from $659

This is the cheapest one-way 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 6/15. 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 O'Hare Intl Airport to Brest

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
5:10 pm - 2:00 pm
ORD
-
BES
13h 50m
1 stop
KLM Logo
6:10 am - 3:10 pm
BES
-
ORD
16h 00m
1 stop
$1,338KLM
Thu, Aug 27 - Sun, Aug 30
Delta Logo
7:30 am - 9:45 am
ORD
-
BES
19h 15m
2 stops
Delta Logo
6:10 am - 3:10 pm
BES
-
ORD
16h 00m
1 stop
$1,342Delta
Thu, Aug 27 - Sun, Aug 30
Delta Logo
7:30 am - 9:45 am
ORD
-
BES
19h 15m
2 stops
Delta Logo
6:10 am - 6:28 pm
BES
-
ORD
19h 18m
2 stops
$1,352Delta
Thu, Aug 27 - Sun, Aug 30
Multiple Airlines Logo
8:45 am - 2:45 pm
ORD
-
BES
23h 00m
2 stops
Multiple Airlines Logo
10:25 pm - 3:50 pm
BES
-
ORD
24h 25m
2 stops
$1,427Multiple Airlines
Thu, May 28 - Sun, May 31
Multiple Airlines Logo
8:45 am - 2:45 pm
ORD
-
BES
23h 00m
3 stops
Multiple Airlines Logo
10:25 pm - 10:05 pm
BES
-
ORD
30h 40m
2 stops
$1,428Multiple Airlines
Thu, May 28 - Sun, May 31
Multiple Airlines Logo
8:35 am - 9:25 am
ORD
-
BES
41h 50m
3 stops
Multiple Airlines Logo
10:25 pm - 10:05 pm
BES
-
ORD
30h 40m
2 stops
$1,479Multiple Airlines
Sun, Jun 28 - Sun, Jul 5
Multiple Airlines Logo
8:35 am - 9:25 am
ORD
-
BES
41h 50m
3 stops
Multiple Airlines Logo
10:25 pm - 10:16 am
BES
-
ORD
42h 51m
3 stops
$1,489Multiple Airlines
Sun, Jun 28 - Sun, Jul 5
Air France Logo
11:30 am - 9:25 am
ORD
-
BES
14h 55m
2 stops
Air France Logo
6:10 am - 4:50 pm
BES
-
ORD
17h 40m
2 stops
$1,508Air France
Sun, Jun 28 - Sun, Jul 5
KLM Logo
5:10 pm - 12:10 pm
ORD
-
BES
12h 00m
1 stop
KLM Logo
2:10 pm - 3:10 pm
BES
-
ORD
32h 00m
1 stop
$1,515KLM
Sun, Jun 28 - Sun, Jul 5
Multiple Airlines Logo
8:45 am - 2:45 pm
ORD
-
BES
23h 00m
3 stops
Multiple Airlines Logo
10:25 pm - 8:05 pm
BES
-
ORD
28h 40m
3 stops
$1,623Multiple Airlines
Thu, May 28 - Sun, May 31

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 27
ORD5:10 pmChicago O'Hare Intl
13h 50m
1 stop
BES2:00 pmBrest Guipavas
Aug 30
BES6:10 amBrest Guipavas
16h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,338
KLM
Jun 28
ORD5:10 pmChicago O'Hare Intl
12h 00m
1 stop
BES12:10 pmBrest Guipavas
Jul 5
BES2:10 pmBrest Guipavas
32h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,515
KLM
May 28
ORD5:10 pmChicago O'Hare Intl
12h 00m
1 stop
BES12:10 pmBrest Guipavas
May 31
BES10:20 amBrest Guipavas
11h 50m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,720

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 27
ORD7:30 amChicago O'Hare Intl
19h 15m
2 stops
BES9:45 amBrest Guipavas
Aug 30
BES6:10 amBrest Guipavas
16h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,342
Delta
Aug 27
ORD7:30 amChicago O'Hare Intl
19h 15m
2 stops
BES9:45 amBrest Guipavas
Aug 30
BES6:10 amBrest Guipavas
19h 18m
2 stops
ORD6:28 pmChicago O'Hare Intl
$1,352

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 May 17, 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

Thu 8/27

5:10 pm-2:00 pm

1 stop13h 50m

Brest Guipavas

Sun 8/30

6:10 am-3:10 pm

1 stop16h 00m

$1,338

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 8/27

7:30 am-9:45 am

2 stops19h 15m

Brest Guipavas

Sun 8/30

6:10 am-3:10 pm

1 stop16h 00m

$1,342

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 8/27

7:30 am-9:45 am

2 stops19h 15m

Brest Guipavas

Sun 8/30

6:10 am-6:28 pm

2 stops19h 18m

$1,352

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 5/28

8:45 am-2:45 pm

2 stops23h 00m

Brest Guipavas

Sun 5/31

10:25 pm-3:50 pm

2 stops24h 25m

$1,427

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 5/28

8:45 am-2:45 pm

3 stops23h 00m

Brest Guipavas

Sun 5/31

10:25 pm-10:05 pm

2 stops30h 40m

$1,428

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 6/28

8:35 am-9:25 am

3 stops41h 50m

Brest Guipavas

Sun 7/5

10:25 pm-10:05 pm

2 stops30h 40m

$1,479

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 6/28

8:35 am-9:25 am

3 stops41h 50m

Brest Guipavas

Sun 7/5

10:25 pm-10:16 am

3 stops42h 51m

$1,489

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 6/28

11:30 am-9:25 am

2 stops14h 55m

Brest Guipavas

Sun 7/5

6:10 am-4:50 pm

2 stops17h 40m

$1,508

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 6/28

5:10 pm-12:10 pm

1 stop12h 00m

Brest Guipavas

Sun 7/5

2:10 pm-3:10 pm

1 stop32h 00m

$1,515

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Thu 5/28

8:45 am-2:45 pm

3 stops23h 00m

Brest Guipavas

Sun 5/31

10:25 pm-8:05 pm

3 stops28h 40m

$1,623

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Brest from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Brest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Chicago O'Hare Intl to Brest Guipavas?

KLM is the most popular carrier operating from Chicago O'Hare Intl to Brest Guipavas

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

13h 50m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Brest takes 13h 50m
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 13h 50m.

  • 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.

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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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