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Cheap flights from Chicago O'Hare Intl Airport to Brest from $758

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 12/5. 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.
Delta Logo
5:30 am - 9:15 amORD-BES
20h 45m2 stops
Delta Logo
10:05 am - 3:10 pmBES-ORD
12h 05m1 stop
$758Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Air France Logo
5:20 pm - 2:10 pmORD-BES
13h 50m1 stop
Air France Logo
7:10 pm - 3:10 pmBES-ORD
27h 00m1 stop
$766Air France
Find Deal
Tue, Nov 25 - Tue, Dec 2
Delta Logo
9:49 am - 9:15 amORD-BES
16h 26m2 stops
Delta Logo
10:05 am - 9:39 pmBES-ORD
18h 34m2 stops
$767Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Delta Logo
6:45 am - 9:15 amORD-BES
19h 30m2 stops
Delta Logo
6:15 am - 3:20 pmBES-ORD
16h 05m2 stops
$768Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Air France Logo
5:20 pm - 6:20 pmORD-BES
18h 00m1 stop
Air France Logo
6:15 am - 3:10 pmBES-ORD
15h 55m1 stop
$805Air France
Find Deal
Fri, Dec 5 - Tue, Dec 9
KLM Logo
5:20 pm - 2:10 pmORD-BES
13h 50m1 stop
KLM Logo
6:15 am - 3:10 pmBES-ORD
15h 55m1 stop
$853KLM
Find Deal
Tue, Nov 11 - Tue, Nov 18
Multiple Airlines Logo
10:35 am - 9:15 amORD-BES
15h 40m2 stops
Multiple Airlines Logo
6:15 am - 3:10 pmBES-ORD
15h 55m1 stop
$857Multiple Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
Multiple Airlines Logo
10:35 am - 9:15 amORD-BES
15h 40m2 stops
Multiple Airlines Logo
6:15 am - 4:52 pmBES-ORD
17h 37m2 stops
$867Multiple Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
KLM Logo
2:35 pm - 2:10 pmORD-BES
16h 35m2 stops
KLM Logo
6:15 am - 3:10 pmBES-ORD
15h 55m1 stop
$889KLM
Find Deal
Tue, Nov 25 - Tue, Dec 2
Delta Logo
5:23 am - 9:15 amORD-BES
20h 52m2 stops
Delta Logo
6:15 am - 5:46 pmBES-ORD
18h 31m2 stops
$1,098Delta
Find Deal
Tue, Nov 25 - Tue, Dec 2

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
Dec 5
ORD5:30 amChicago O'Hare Intl
20h 45m
2 stops
BES9:15 amBrest Guipavas
Dec 9
BES10:05 amBrest Guipavas
12h 05m
1 stop
ORD3:10 pmChicago O'Hare Intl
$758
Find similar
Delta
Dec 5
ORD9:49 amChicago O'Hare Intl
16h 26m
2 stops
BES9:15 amBrest Guipavas
Dec 9
BES10:05 amBrest Guipavas
18h 34m
2 stops
ORD9:39 pmChicago O'Hare Intl
$767
Find similar
Delta
Dec 5
ORD6:45 amChicago O'Hare Intl
19h 30m
2 stops
BES9:15 amBrest Guipavas
Dec 9
BES6:15 amBrest Guipavas
16h 05m
2 stops
ORD3:20 pmChicago O'Hare Intl
$768
Find similar

Air France flights from Chicago O'Hare Intl Airport to Brest

Our best Air France deals on Chicago O'Hare Intl Airport to Brest flight tickets
Air France
Nov 25
ORD5:20 pmChicago O'Hare Intl
13h 50m
1 stop
BES2:10 pmBrest Guipavas
Dec 2
BES7:10 pmBrest Guipavas
27h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
$766
Find similar
Air France
Dec 5
ORD5:20 pmChicago O'Hare Intl
18h 00m
1 stop
BES6:20 pmBrest Guipavas
Dec 9
BES6:15 amBrest Guipavas
15h 55m
1 stop
ORD3:10 pmChicago O'Hare Intl
$805
Find similar
Air France
Dec 12
ORD5:20 pmChicago O'Hare Intl
18h 00m
1 stop
BES6:20 pmBrest Guipavas
Dec 19
BES10:50 amBrest Guipavas
11h 20m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,252
Find similar

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 October 30, 2025.
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

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 12/5

5:30 am-9:15 am

2 stops20h 45m

Brest Guipavas

Tue 12/9

10:05 am-3:10 pm

1 stop12h 05m

$758

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 11/25

5:20 pm-2:10 pm

1 stop13h 50m

Brest Guipavas

Tue 12/2

7:10 pm-3:10 pm

1 stop27h 00m

$766

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 12/5

9:49 am-9:15 am

2 stops16h 26m

Brest Guipavas

Tue 12/9

10:05 am-9:39 pm

2 stops18h 34m

$767

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 12/5

6:45 am-9:15 am

2 stops19h 30m

Brest Guipavas

Tue 12/9

6:15 am-3:20 pm

2 stops16h 05m

$768

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Fri 12/5

5:20 pm-6:20 pm

1 stop18h 00m

Brest Guipavas

Tue 12/9

6:15 am-3:10 pm

1 stop15h 55m

$805

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 11/11

5:20 pm-2:10 pm

1 stop13h 50m

Brest Guipavas

Tue 11/18

6:15 am-3:10 pm

1 stop15h 55m

$853

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 11/11

10:35 am-9:15 am

2 stops15h 40m

Brest Guipavas

Tue 11/18

6:15 am-3:10 pm

1 stop15h 55m

$857

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 11/11

10:35 am-9:15 am

2 stops15h 40m

Brest Guipavas

Tue 11/18

6:15 am-4:52 pm

2 stops17h 37m

$867

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 11/25

2:35 pm-2:10 pm

2 stops16h 35m

Brest Guipavas

Tue 12/2

6:15 am-3:10 pm

1 stop15h 55m

$889

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 11/25

5:23 am-9:15 am

2 stops20h 52m

Brest Guipavas

Tue 12/2

6:15 am-5:46 pm

2 stops18h 31m

$1,098

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

Direct flights

None
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.
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  • 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.

  • 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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