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$334+ Cheap flights from Brussels to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — CHI
Oct 26 — Nov 21
Sun 10/26
Sun 11/2
1 adult, Economy
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Cheapflights Tip: The best prices from Brussels to Chicago are usually found in February or September, booked 64 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Brussels to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Brussels (BR1) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 26, 2025.

Round-trip from

$502
(Booking.com)

One-way from

$334
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$546
From Brussels to Chicago (CHI)
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One-way flight from Brussels to Chicago (CHI)
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Highest demand for flights based on searches. 4% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Brussels to Chicago

Cheapest flights from Brussels to Chicago
Explore the most affordable flight options available from Brussels to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2025.

This Booking.com deal was found by Cheapflights users on 9/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:45 pmBRU - ORD
2 stops28h 00mScandinavian Airlines
Sun 11/167:20 pmORD - BRU
2 stops18h 35mScandinavian Airlines
Deal found 9/25$502
This lastminute.com deal was found by Cheapflights users on 9/26. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:40 pmBRU - ORD
2 stops50h 05mScandinavian Airlines
Mon 11/177:20 pmORD - BRU
2 stops32h 30mScandinavian Airlines
Deal found 9/26$503
This Gotogate deal was found by Cheapflights users on 9/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:30 amBRU - ORD
2 stops36h 15mScandinavian Airlines
Wed 4/227:15 pmORD - BRU
1 stop31h 25mScandinavian Airlines
Deal found 9/26$508
This Mytrip deal was found by Cheapflights users on 9/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:10 pmBRU - ORD
1 stop32h 35mScandinavian Airlines
Fri 11/147:20 pmORD - BRU
1 stop12h 10mScandinavian Airlines
Deal found 9/26$511
This FlightHub deal was found by Cheapflights users on 9/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/310:20 amBRU - ORD
1 stop13h 25mScandinavian Airlines
Wed 4/227:15 pmORD - BRU
1 stop31h 25mScandinavian Airlines
Deal found 9/26$514
This Flysmarter deal was found by Cheapflights users on 9/24. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:20 amBRU - ORD
1 stop13h 25mScandinavian Airlines
Wed 11/127:20 pmORD - BRU
2 stops16h 20mScandinavian Airlines
Deal found 9/24$515
This Mytrip deal was found by Cheapflights users on 9/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/225:15 pmCRL - ORD
2 stops26h 20mMultiple Airlines
Wed 11/57:10 pmORD - CRL
2 stops20h 40mMultiple Airlines
Deal found 9/26$601
This Delta deal was found by Cheapflights users on 9/24. 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 10/1310:45 amBRU - MDW
2 stops18h 29mDelta
Sun 10/2610:35 amMDW - BRU
2 stops15h 00mDelta
Deal found 9/24$691
This Delta deal was found by Cheapflights users on 9/23. 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.
Sat 11/810:45 amBRU - MDW
2 stops14h 40mDelta
Sat 11/151:26 pmMDW - BRU
2 stops13h 44mDelta
Deal found 9/23$693
This Delta deal was found by Cheapflights users on 9/26. 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 11/411:00 amBRU - MDW
2 stops18h 14mDelta
Wed 4/229:30 amMDW - BRU
2 stops16h 10mDelta
Deal found 9/26$707
This Delta deal was found by Cheapflights users on 9/26. 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 10/2210:25 amBRU - MDW
2 stops15h 00mDelta
Wed 11/51:08 pmMDW - BRU
2 stops12h 52mDelta
Deal found 9/26$709
This Delta deal was found by Cheapflights users on 9/25. 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 10/1310:45 amBRU - MDW
2 stops18h 29mDelta
Mon 10/279:35 amMDW - BRU
2 stops16h 25mDelta
Deal found 9/25$710

Cheapflights Fare Finder

 
Customize your flight search to find flights from Brussels to Chicago 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 September 26, 2025.
Use the filters below to find and compare flights from Brussels to Chicago that are best for you.

Fly from

Brussels

Fly to

Chicago

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 11/9

7:45 pm-4:45 pm

2 stops28h 00m

Chicago O'Hare Intl

Sun 11/16

7:20 pm-8:55 pm

2 stops18h 35m

$518

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 11/16

8:30 pm-4:45 pm

1 stop27h 15m

Chicago O'Hare Intl

Wed 12/10

7:20 pm-2:30 pm

1 stop12h 10m

$520

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 11/14

10:20 am-4:45 pm

1 stop13h 25m

Chicago O'Hare Intl

Wed 12/10

7:20 pm-2:30 pm

1 stop12h 10m

$520

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 11/23

10:20 am-4:45 pm

1 stop13h 25m

Chicago O'Hare Intl

Mon 12/29

7:20 pm-7:50 pm

1 stop17h 30m

$536

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 11/14

9:40 pm-4:45 pm

2 stops26h 05m

Chicago O'Hare Intl

Thu 12/11

7:20 pm-2:30 pm

1 stop12h 10m

$566

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 2/26

7:15 pm-4:45 pm

1 stop28h 30m

Chicago O'Hare Intl

Sun 3/1

7:20 pm-7:50 pm

1 stop17h 30m

$569

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 11/16

8:30 pm-4:45 pm

1 stop27h 15m

Chicago O'Hare Intl

Thu 12/11

7:20 pm-2:30 pm

1 stop12h 10m

$574

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 11/12

10:20 am-4:45 pm

1 stop13h 25m

Chicago O'Hare Intl

Thu 12/11

7:20 pm-2:30 pm

1 stop12h 10m

$574

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 11/16

8:30 pm-4:45 pm

1 stop27h 15m

Chicago O'Hare Intl

Sat 12/13

7:20 pm-2:30 pm

1 stop12h 10m

$574

BrusselsChicago

CRL - ORD

CRLORD

Charleroi Brussels

Wed 10/22

5:15 pm-12:35 pm

2 stops26h 20m

Chicago O'Hare Intl

Wed 11/5

7:10 pm-10:50 pm

2 stops20h 40m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/26

Showing 1-10 of 56 results
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Best time to book a flight from Brussels to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Brussels 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 Brussels to Chicago

How far ahead should I book a flight from Brussels to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Brussels to Chicago. Price data was last updated on September 19, 2025.

The price you pay for your flight from Brussels to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Brussels to Chicago?

Currently, August is the cheapest month in which you can book a flight from Brussels to Chicago (average of $245). Flying from Brussels to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BRU to CHI?

Find hourly flight availability from Brussels to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 26, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 31% on flights from Brussels to Chicago by exploring options for tickets in the afternoon.

Weekly flight availability from Brussels to Chicago

Explore weekly flight availability from Brussels to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 26, 2025.

The most flights from BR1 to CHI are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated September 26, 2025.
Read through reviews of airlines operating flights from Brussels to Chicago, such as United Airlines, Aer Lingus, and Brussels Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Aer Lingus
7.2
Good
1,303 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Brussels Airlines
7.2
Good
361 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Icelandair
7.0
Good
545 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Lufthansa
6.8
Okay
7,428 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

  • How long is the flight from Brussels to Chicago?

    Scandinavian Airlines, Delta, and KLM can get you from Brussels to Chicago in just under 14h 23m. Your travel time can differ by up to 13h 37m. Airlines will cover a distance of 4148 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Brussels to Chicago round-trip?

    Flying on Lufthansa is currently your cheapest option to Chicago, with prices starting at $521. Additional round-trip tickets that might be worth considering are offered by Brussels Airlines and United Airlines, with the lowest prices starting at $521 and $568, respectively. You may be able to fly from Brussels to Chicago for 17% less than the average price by searching for these airlines.

  • What are the most popular routes from Brussels to Chicago?

    When deciding which route to take from Brussels to Chicago consider Brussels Bruxelles-National - Chicago O'Hare Intl, Brussels Bruxelles-National - Chicago Midway or Charleroi Brussels - Chicago O'Hare Intl as they are the most popular.

  • What are the most reliable airlines from Brussels to Chicago?

    Before booking your flight to Chicago from Brussels, check out the most reliable airlines to get you to your destination on time: Air Canada (69%), Austrian Airlines (69%), Brussels Airlines( 69%).

  • What are the cheapest flights from Brussels to Chicago?

    Looking for the cheapest flight from Brussels to Chicago? While on average our users pay $689, our data indicates the cheapest price to be $523. The most popular route (Brussels Bruxelles-National - Chicago O'Hare Intl), is priced around $489.

  • Can I find deals for flights from Brussels to Chicago that include hotel bookings?

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

  • How can I find direct flights from Brussels to Chicago?

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

  • Can I find deals for business class flights from Brussels to Chicago?

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

  • What is the cheapest month to book a flight from Brussels to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Brussels to Chicago (average of $245). Flying from Brussels to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Lansing
Hammond
Benton Harbor
Porter
Chesterton

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Alternative routes for Brussels to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Bruxelles-National to O'Hare Intl flights
Bruxelles-National to Midway flights
Bruxelles-National to St. Louis flights

Top 3 airlines flying from Brussels to Chicago

Discover the top 3 airlines that operate flights from Brussels to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$521Average$669FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$521Average$687FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$568Average$688FlexibilityNo cancel feeOn-time69%

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