Latest deals
FAQs
Price Alerts

Cheap flights from Illinois to Brest from $1,436

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Brest departing on 6/16. 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
0 bags

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

Find the cheapest flights from Illinois to Brest

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
5:10 pm - 12:10 pm
ORD
-
BES
12h 00m
1 stop
KLM Logo
6:10 am - 3:10 pm
BES
-
ORD
16h 00m
1 stop
$1,436KLM
Tue, Jun 16 - Tue, Jun 23
KLM Logo
11:23 am - 9:25 am
ORD
-
BES
15h 02m
2 stops
KLM Logo
6:10 am - 3:10 pm
BES
-
ORD
16h 00m
1 stop
$1,440KLM
Tue, Jun 16 - Tue, Jun 23
KLM Logo
1:26 pm - 9:25 am
MDW
-
BES
12h 59m
2 stops
KLM Logo
1:05 pm - 10:17 pm
BES
-
MDW
16h 12m
2 stops
$1,450KLM
Tue, Jun 16 - Tue, Jun 23
KLM Logo
11:30 am - 9:25 am
ORD
-
BES
14h 55m
2 stops
KLM Logo
1:05 pm - 8:31 pm
BES
-
ORD
14h 26m
2 stops
$1,450KLM
Tue, Jun 16 - Tue, Jun 23
WestJet Logo
5:30 pm - 10:25 pm
ORD
-
BES
45h 55m
2 stops
WestJet Logo
6:10 am - 4:40 pm
BES
-
ORD
41h 30m
2 stops
$4,588WestJet
Sat, Jul 4 - Sat, Jul 11
KLM Logo
8:15 pm - 11:05 pm
ORD
-
BES
19h 50m
1 stop
KLM Logo
10:20 am - 3:10 pm
BES
-
ORD
11h 50m
1 stop
$5,583KLM
Tue, Jun 2 - Fri, Jun 5
Delta Logo
11:26 am - 9:25 am
ORD
-
BES
14h 59m
2 stops
Delta Logo
10:20 am - 3:10 pm
BES
-
ORD
11h 50m
1 stop
$5,587Delta
Tue, Jun 2 - Fri, Jun 5
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
$5,597Delta
Tue, Jun 2 - Fri, Jun 5
WestJet Logo
5:30 pm - 6:50 pm
ORD
-
BES
42h 20m
2 stops
WestJet Logo
10:20 am - 4:40 pm
BES
-
ORD
37h 20m
2 stops
$8,440WestJet
Tue, Jun 16 - Tue, Jun 23
Multiple Airlines Logo
5:30 pm - 11:05 pm
ORD
-
BES
46h 35m
2 stops
Multiple Airlines Logo
5:25 pm - 7:25 pm
BES
-
ORD
33h 00m
3 stops
$10,978Multiple Airlines
Tue, Jun 2 - Fri, Jun 5

Delta flights from Illinois to Brest

Our best Delta deals on Illinois to Brest flight tickets
Delta
May 22
ORD7:00 amChicago O'Hare Intl
19h 25m
2 stops
BES9:25 amBrest Guipavas
May 29
BES10:20 amBrest Guipavas
11h 50m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,653
Delta
May 22
ORD7:00 amChicago O'Hare Intl
19h 25m
2 stops
BES9:25 amBrest Guipavas
May 29
BES6:10 amBrest Guipavas
18h 55m
2 stops
ORD6:05 pmChicago O'Hare Intl
$1,663
Delta
May 22
MDW6:23 amChicago Midway
20h 02m
2 stops
BES9:25 amBrest Guipavas
May 29
BES6:10 amBrest Guipavas
18h 46m
2 stops
MDW5:56 pmChicago Midway
$1,749

KLM flights from Illinois to Brest

Our best KLM deals on Illinois to Brest flight tickets
KLM
Jun 16
ORD5:10 pmChicago O'Hare Intl
12h 00m
1 stop
BES12:10 pmBrest Guipavas
Jun 23
BES6:10 amBrest Guipavas
16h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,436
KLM
Jun 16
ORD11:23 amChicago O'Hare Intl
15h 02m
2 stops
BES9:25 amBrest Guipavas
Jun 23
BES6:10 amBrest Guipavas
16h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,440
KLM
Jun 16
MDW1:26 pmChicago Midway
12h 59m
2 stops
BES9:25 amBrest Guipavas
Jun 23
BES1:05 pmBrest Guipavas
16h 12m
2 stops
MDW10:17 pmChicago Midway
$1,450

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 20, 2026.
Use the filters below to find and compare flights from Illinois 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

Tue 6/16

5:10 pm-12:10 pm

1 stop12h 00m

Brest Guipavas

Tue 6/23

6:10 am-3:10 pm

1 stop16h 00m

$1,436

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 6/16

11:23 am-9:25 am

2 stops15h 02m

Brest Guipavas

Tue 6/23

6:10 am-3:10 pm

1 stop16h 00m

$1,440

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Tue 6/16

1:26 pm-9:25 am

2 stops12h 59m

Brest Guipavas

Tue 6/23

1:05 pm-10:17 pm

2 stops16h 12m

$1,450

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 6/16

11:30 am-9:25 am

2 stops14h 55m

Brest Guipavas

Tue 6/23

1:05 pm-8:31 pm

2 stops14h 26m

$1,450

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sat 7/4

5:30 pm-10:25 pm

2 stops45h 55m

Brest Guipavas

Sat 7/11

6:10 am-4:40 pm

2 stops41h 30m

$4,588

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 6/2

8:15 pm-11:05 pm

1 stop19h 50m

Brest Guipavas

Fri 6/5

10:20 am-3:10 pm

1 stop11h 50m

$5,583
Quickest round-trip

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 6/2

11:26 am-9:25 am

2 stops14h 59m

Brest Guipavas

Fri 6/5

10:20 am-3:10 pm

1 stop11h 50m

$5,587

ChicagoBrest

MDW - BES

MDWBES

Chicago Midway

Tue 6/2

10:59 am-9:25 am

2 stops15h 26m

Brest Guipavas

Fri 6/5

6:10 am-4:12 pm

2 stops17h 02m

$5,597

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 6/16

5:30 pm-6:50 pm

2 stops42h 20m

Brest Guipavas

Tue 6/23

10:20 am-4:40 pm

2 stops37h 20m

$8,440

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 6/2

5:30 pm-11:05 pm

2 stops46h 35m

Brest Guipavas

Fri 6/5

5:25 pm-7:25 pm

3 stops33h 00m

$10,978

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Brest flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Brest

Fastest flight time

12h 00m

Direct flights

None
The fastest flight from Illinois to Brest takes 12h 00m
There are no direct flights from Illinois to Brest. There are no popular flight routes from Illinois to Brest.
Search flight deals

Frequently asked questions about flying from Illinois to Brest

  • When did momondo last update prices for flights from Illinois to Brest Guipavas Airport?

    Prices for flights from Illinois to Brest Guipavas Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Illinois 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 Illinois to Brest Guipavas Airport.

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

    The travel and health documents you'll need for your trip to Brest Guipavas Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brest Guipavas Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Illinois to Brest

  • How do I get Price Alerts for flights from Illinois to Brest?

    Price Alerts will notify you by email when the price for flights to Brest from Illinois 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 Illinois 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?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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 Illinois to Brest?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Brest. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo provides multiple filters to help you find the best flight to Brest from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois 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 Illinois and alert you when they 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 6/19
Fri 6/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to France