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Brest

$965+ Cheap flights from Illinois to Brest (BES)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BES
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Illinois to Brest

Best flights from Illinois to Brest
Discover carefully curated flight deals from Illinois to Brest that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This KLM deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:20 pmORD - BES
1 stop17h 30mKLM
Tue 2/246:15 amBES - ORD
1 stop15h 55mKLM
Deal found 12/15$965
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/167:10 amORD - BES
2 stops19h 35mDelta
Fri 2/276:15 amBES - ORD
1 stop15h 55mDelta
Deal found 12/15$969
This Air France deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1710:53 amMDW - BES
2 stops15h 52mMultiple Airlines
Wed 2/256:15 amBES - MDW
2 stops18h 22mMultiple Airlines
Deal found 12/15$978
This KLM deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:20 pmORD - BES
1 stop17h 30mKLM
Wed 2/256:15 amBES - ORD
1 stop15h 55mKLM
Deal found 12/15$965
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:00 amORD - BES
2 stops19h 45mDelta
Fri 2/206:15 amBES - ORD
1 stop15h 55mDelta
Deal found 12/15$969
This Air France deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:53 amMDW - BES
2 stops15h 52mMultiple Airlines
Wed 2/256:15 amBES - MDW
2 stops18h 22mMultiple Airlines
Deal found 12/15$978
This KLM deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:20 pmORD - BES
1 stop17h 30mKLM
Tue 2/2410:35 amBES - ORD
1 stop11h 35mKLM
Deal found 12/15$965
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:45 amORD - BES
2 stops20h 00mDelta
Wed 2/2510:35 amBES - ORD
1 stop11h 35mDelta
Deal found 12/15$969
This KLM deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:20 pmORD - BES
1 stop17h 30mKLM
Tue 2/2410:35 amBES - ORD
1 stop11h 35mKLM
Deal found 12/15$965
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:00 amORD - BES
2 stops20h 45mDelta
Fri 2/2710:35 amBES - ORD
1 stop11h 35mDelta
Deal found 12/15$969
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:45 amORD - BES
2 stops20h 00mDelta
Tue 2/246:15 amBES - ORD
1 stop15h 55mDelta
Deal found 12/15$969
This KLM deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1810:53 amMDW - BES
2 stops15h 52mKLM
Wed 2/256:15 amBES - MDW
2 stops18h 22mKLM
Deal found 12/15$979
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:45 amORD - BES
2 stops20h 00mDelta
Fri 2/2710:35 amBES - ORD
1 stop11h 35mDelta
Deal found 12/15$969
This KLM deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1110:46 amMDW - BES
2 stops15h 59mKLM
Tue 2/246:15 amBES - MDW
2 stops18h 22mKLM
Deal found 12/15$979
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/912:15 pmORD - BES
2 stops38h 30mDelta
Wed 2/2510:35 amBES - ORD
1 stop11h 35mDelta
Deal found 12/15$970
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/910:29 amORD - BES
2 stops40h 16mDelta
Fri 2/2010:50 amBES - ORD
1 stop11h 20mDelta
Deal found 12/15$970
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1810:53 amMDW - BES
2 stops15h 52mDelta
Fri 2/276:15 amBES - MDW
2 stops18h 30mDelta
Deal found 12/15$978
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1810:53 amMDW - BES
2 stops15h 52mDelta
Thu 2/266:15 amBES - MDW
2 stops19h 22mDelta
Deal found 12/15$978
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1710:53 amMDW - BES
2 stops15h 52mDelta
Fri 2/276:15 amBES - MDW
2 stops19h 22mDelta
Deal found 12/15$978
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:53 amMDW - BES
2 stops15h 52mDelta
Fri 2/276:15 amBES - MDW
2 stops18h 30mDelta
Deal found 12/15$978
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:53 amMDW - BES
2 stops15h 52mDelta
Thu 2/266:15 amBES - MDW
2 stops19h 22mDelta
Deal found 12/15$978
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1010:48 amMDW - BES
2 stops15h 57mDelta
Sun 2/226:15 amBES - MDW
2 stops23h 27mDelta
Deal found 12/15$1,028
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1511:01 amMDW - BES
2 stops15h 44mDelta
Sun 2/226:15 amBES - MDW
2 stops23h 27mDelta
Deal found 12/15$1,029
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/84:30 pmMDW - BES
2 stops34h 15mDelta
Sun 2/226:15 amBES - MDW
2 stops23h 27mDelta
Deal found 12/15$1,030

Find flight deals from Illinois to Brest

Keep the following information in mind while searching for Illinois to Brest flight deals. Data was last updated December 18, 2025.

Round-trip from

$965
(KLM)
From Illinois to Brest Guipavas
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Illinois to Brest that are best for you.

Fly from

Illinois

Fly to

Brest

Route

Depart

Return

Price

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 2/17

5:20 pm-5:50 pm

1 stop17h 30m

Brest Guipavas

Tue 2/24

6:15 am-3:10 pm

1 stop15h 55m

$965

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Wed 2/18

5:20 pm-5:50 pm

1 stop17h 30m

Brest Guipavas

Wed 2/25

6:15 am-3:10 pm

1 stop15h 55m

$965

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Wed 2/11

5:20 pm-5:50 pm

1 stop17h 30m

Brest Guipavas

Tue 2/24

10:35 am-3:10 pm

1 stop11h 35m

$965

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 2/10

5:20 pm-5:50 pm

1 stop17h 30m

Brest Guipavas

Tue 2/24

10:35 am-3:10 pm

1 stop11h 35m

$965

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Mon 2/16

7:10 am-9:45 am

2 stops19h 35m

Brest Guipavas

Fri 2/27

6:15 am-3:10 pm

1 stop15h 55m

$969

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Wed 2/11

7:00 am-9:45 am

2 stops19h 45m

Brest Guipavas

Fri 2/20

6:15 am-3:10 pm

1 stop15h 55m

$969

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 2/15

6:45 am-9:45 am

2 stops20h 00m

Brest Guipavas

Wed 2/25

10:35 am-3:10 pm

1 stop11h 35m

$969

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Tue 2/17

6:00 am-9:45 am

2 stops20h 45m

Brest Guipavas

Fri 2/27

10:35 am-3:10 pm

1 stop11h 35m

$969

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 2/15

6:45 am-9:45 am

2 stops20h 00m

Brest Guipavas

Tue 2/24

6:15 am-3:10 pm

1 stop15h 55m

$969

ChicagoBrest

ORD - BES

ORDBES

Chicago O'Hare Intl

Sun 2/15

6:45 am-9:45 am

2 stops20h 00m

Brest Guipavas

Fri 2/27

10:35 am-3:10 pm

1 stop11h 35m

$969

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 24 results
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Best time to book a flight from Illinois to Brest

Have a flexible travel schedule? Discover the best time to fly to Brest from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Brest
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Brest. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Brest from Illinois?

    Most people fly into Brest Guipavas (BES) if they book a flight to Brest from Illinois. Guipavas is conveniently located just 4.4 mi from Brest’s city center.

  • How long is the flight from Illinois to Brest?

    A quick flight from Illinois to Brest can take about 17h 30m. KLM provides one of the quickest options available for as low as $965. There are 3879 mi between Illinois and Brest. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Brest?

    Most travelers choose Chicago Midway - Brest Guipavas, Chicago O'Hare Intl - Brest Guipavas or Evansville Dress Regional - Brest Guipavas when deciding on the best route from Illinois to Brest.

  • Can I find deals for flights from Illinois to Brest that include hotel bookings?

    Yes. In addition to deals on Illinois to Brest flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Brest?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Brest.

  • Can I find deals for business class flights from Illinois to Brest?

    Yes. Cheapflights offers flight deals from Illinois to Brest by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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