How long is the flight from Brussels Bruxelles-National Airport to Chicago?

Airlines like Scandinavian Airlines, United Airlines, and Delta fly from Brussels Bruxelles-National Airport to Chicago in about 11h 25m. The time it takes to get you to your destination can typically vary by up to 23h 45m. Brussels Bruxelles-National Airport and Chicago are separated by a distance of 4145 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Brussels Bruxelles-National Airport to Chicago round-trip?

Cheapflights users have booked flights from Brussels Bruxelles-National Airport to Chicago round-trip from $521. Other airlines that can offer you cheap pricing are Brussels Airlines, from $521, and United Airlines, from $568. Users have found that Lufthansa is 17% cheaper than the other options available to this destination.

What is the cheapest day to fly from Brussels Bruxelles-National Airport to Chicago?

Travelers seeking maximum savings on their Brussels Bruxelles-National Airport to Chicago flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What are the cheapest flights from Brussels Bruxelles-National Airport to Chicago?

Looking for the cheapest flight from Brussels Bruxelles-National Airport to Chicago? While on average our users pay $637, our data indicates the cheapest price to be $505. The most popular route (Brussels Bruxelles-National - Chicago O'Hare Intl), is priced around $464.

What are the most reliable airlines from Brussels Bruxelles-National Airport to Chicago?

No one likes to see their flight delayed. When booking a flight from Brussels Bruxelles-National Airport to Chicago consider choosing Air Canada (69%), Austrian Airlines (69%) or Brussels Airlines (69%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Brussels Bruxelles-National Airport to Chicago?

Lufthansa, Brussels Airlines and United Airlines are the most popular airlines when flying from Brussels Bruxelles-National Airport to Chicago.

Can I find deals for flights from Bruxelles-National to Chicago that include hotel bookings?

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

How can I find direct flights from Bruxelles-National to Chicago?

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

Can I find deals for business class flights from Bruxelles-National to Chicago?

Yes. Cheapflights offers flight deals from Bruxelles-National 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.

$326+ Cheap Flights from Brussels Bruxelles-National Airport to Chicago

Q: How much does it cost to fly round-trip from Brussels Bruxelles-National Airport to Chicago?

Airfare is below average for this route at the moment. Brussels Bruxelles-National Airport to Chicago flights typically cost between $523 and $671 in October. The cheapest round-trip price found within the last 3 days was $499 on Scandinavian Airlines (Oct 30-Nov 6).

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Find cheap flights from Bruxelles-National to Chicago with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Brussels Bruxelles-National 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 Bruxelles-National to Chicago

Round-trip from	$499 (oojo)
One-way from	$326 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$546
Good round-trip deal	$531 or less
Good one-way deal	$551 or less

From Brussels Bruxelles-National to Chicago (CHI)

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One-way flight from Brussels Bruxelles-National to Chicago (CHI)

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Highest demand for flights based on searches. 3% potential increase in price ($25 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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Price to beat on a round-trip flight from Brussels Bruxelles-National to Chicago (CHI).

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Price to beat on a one-way flight from Brussels Bruxelles-National to Chicago (CHI).

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Find flight deals from Bruxelles-National to Chicago

Cheapest flights from Bruxelles-National to Chicago
Explore the most affordable flight options available from Bruxelles-National to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Mon 9/2210:30 amBRU - ORD

1 stop11h 25mUnited Airlines

Sun 10/55:55 pmORD - BRU

Nonstop8h 05mUnited Airlines

Deal found 9/15

$498

Thu 10/303:10 pmBRU - ORD

1 stop32h 35mScandinavian Airlines

Thu 11/67:20 pmORD - BRU

2 stops18h 35mScandinavian Airlines

Deal found 9/15

$499

Thu 10/3010:30 amBRU - ORD

1 stop11h 50mLufthansa

Thu 11/65:55 pmORD - BRU

Nonstop8h 00mLufthansa

Deal found 9/15

$500

Tue 12/235:55 pmBRU - ORD

1 stop28h 05mTAP AIR PORTUGAL

Wed 1/77:10 pmORD - BRU

1 stop21h 40mTAP AIR PORTUGAL

Deal found 9/15

$501

Tue 10/288:30 pmBRU - ORD

1 stop30h 35mScandinavian Airlines

Thu 11/67:20 pmORD - BRU

2 stops18h 35mScandinavian Airlines

Deal found 9/15

$502

Tue 10/2810:30 amBRU - ORD

1 stop11h 50mUnited Airlines

Thu 11/61:00 pmORD - BRU

1 stop11h 15mUnited Airlines

Deal found 9/15

$504

Thu 9/2510:30 amBRU - ORD

1 stop11h 25mUnited Airlines

Wed 10/82:20 pmORD - BRU

1 stop10h 25mUnited Airlines

Deal found 9/16

$505

Fri 10/312:25 pmBRU - ORD

1 stop12h 40mLufthansa

Fri 11/75:55 pmORD - BRU

Nonstop8h 00mLufthansa

Deal found 9/16

$507

Mon 9/2210:00 amBRU - ORD

1 stop29h 01mAir Canada

Sun 10/510:40 amORD - BRU

1 stop14h 25mAir Canada

Deal found 9/15

$509

Fri 10/310:45 amBRU - MDW

1 stop17h 51mDelta

Thu 10/169:35 amMDW - BRU

2 stops16h 05mDelta

Deal found 9/16

$639

Thu 10/2310:45 amBRU - MDW

2 stops18h 29mDelta

Thu 10/309:35 amMDW - BRU

2 stops16h 00mDelta

Deal found 9/15

$640

Fri 10/3110:45 amBRU - MDW

2 stops17h 29mDelta

Fri 11/79:35 amMDW - BRU

2 stops16h 25mDelta

Deal found 9/16

$641

Best flights from Bruxelles-National to Chicago
Discover carefully curated flight deals from Bruxelles-National to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Sun 11/2312:35 pmBRU - ORD

2 stops35h 10mScandinavian Airlines

Mon 12/297:20 pmORD - BRU

1 stop31h 20mScandinavian Airlines

Deal found 9/17

$499

Thu 10/238:30 amBRU - ORD

1 stop11h 25mUnited Airlines

Mon 10/273:35 pmORD - BRU

1 stop10h 15mUnited Airlines

Deal found 9/15

$518

Wed 10/87:00 amBRU - ORD

2 stops14h 48mAir Canada

Mon 10/1310:40 amORD - BRU

1 stop14h 25mAir Canada

Deal found 9/16

$520

Thu 2/2610:30 amBRU - ORD

1 stop11h 50mLufthansa

Mon 3/25:55 pmORD - BRU

Nonstop8h 00mLufthansa

Deal found 9/16

$522

Fri 10/310:45 amBRU - MDW

1 stop17h 51mDelta

Thu 10/169:35 amMDW - BRU

2 stops16h 05mDelta

Deal found 9/16

$639

Mon 10/1310:30 amBRU - ORD

1 stop11h 25mUnited Airlines

Mon 10/2011:15 amORD - BRU

2 stops13h 30mUnited Airlines

Deal found 9/15

$519

Thu 2/2610:30 amBRU - ORD

1 stop11h 50mUnited Airlines

Mon 3/25:55 pmORD - BRU

Nonstop8h 00mUnited Airlines

Deal found 9/14

$519

Fri 10/177:00 amBRU - ORD

1 stop14h 55mUnited Airlines

Tue 10/2110:00 amORD - BRU

2 stops14h 45mUnited Airlines

Deal found 9/16

$519

Thu 10/2310:45 amBRU - MDW

2 stops18h 29mDelta

Thu 10/309:35 amMDW - BRU

2 stops16h 00mDelta

Deal found 9/15

$640

Thu 10/238:30 amBRU - ORD

1 stop13h 25mUnited Airlines

Thu 10/306:50 pmORD - BRU

1 stop12h 25mUnited Airlines

Deal found 9/15

$521

Fri 10/2410:45 amBRU - MDW

1 stop18h 29mDelta

Fri 10/319:35 amMDW - BRU

2 stops16h 00mDelta

Deal found 9/15

$640

Fri 10/177:00 amBRU - ORD

1 stop14h 55mUnited Airlines

Fri 10/2412:55 pmORD - BRU

1 stop11h 20mUnited Airlines

Deal found 9/17

$522

Thu 10/2310:45 amBRU - MDW

2 stops18h 29mDelta

Fri 10/319:35 amMDW - BRU

2 stops16h 00mDelta

Deal found 9/15

$640

Thu 10/210:45 amBRU - MDW

2 stops17h 51mDelta

Mon 10/61:08 pmMDW - BRU

2 stops13h 32mDelta

Deal found 9/15

$640

Fri 10/3110:45 amBRU - MDW

2 stops17h 29mDelta

Fri 11/710:40 amMDW - BRU

2 stops15h 20mDelta

Deal found 9/16

$641

Thu 10/2310:25 amBRU - MDW

2 stops15h 00mDelta

Mon 10/271:08 pmMDW - BRU

2 stops12h 52mDelta

Deal found 9/15

$641

Mon 10/1310:25 amBRU - MDW

2 stops15h 00mDelta

Fri 10/2410:35 amMDW - BRU

2 stops15h 05mDelta

Deal found 9/16

$641

Wed 12/172:45 pmBRU - MDW

2 stops15h 47mDelta

Thu 1/19:29 amMDW - BRU

2 stops17h 41mDelta

Deal found 9/15

$642

Thu 10/1610:25 amBRU - MDW

2 stops15h 00mDelta

Sun 10/199:35 amMDW - BRU

2 stops17h 05mDelta

Deal found 9/15

$642

Last-minute flights from Bruxelles-National to Chicago
Discover last-minute flight deals from Bruxelles-National to Chicago. Data last updated September 17, 2025 and is based on user searches.

Mon 9/2210:30 amBRU - ORD

1 stop11h 25mUnited Airlines

Sun 10/55:55 pmORD - BRU

Nonstop8h 05mUnited Airlines

Deal found 9/15

$498

Mon 9/2210:00 amBRU - ORD

1 stop29h 01mAir Canada

Sun 10/510:40 amORD - BRU

1 stop14h 25mAir Canada

Deal found 9/15

$509

Mon 9/228:30 amBRU - ORD

1 stop13h 25mMultiple Airlines

Sun 10/56:00 pmORD - BRU

1 stop12h 15mMultiple Airlines

Deal found 9/15

$510

Mon 9/2210:15 amBRU - ORD

Nonstop8h 50mLufthansa

Sun 10/55:55 pmORD - BRU

Nonstop8h 05mLufthansa

Deal found 9/15

$512

Thu 9/2510:30 amBRU - ORD

1 stop11h 25mUnited Airlines

Wed 10/82:20 pmORD - BRU

1 stop10h 25mUnited Airlines

Deal found 9/16

$505

Thu 9/2510:15 amBRU - ORD

Nonstop8h 50mLufthansa

Wed 10/85:55 pmORD - BRU

Nonstop8h 05mLufthansa

Deal found 9/16

$513

Fri 10/310:45 amBRU - MDW

1 stop17h 51mDelta

Thu 10/169:35 amMDW - BRU

2 stops16h 05mDelta

Deal found 9/16

$639

Wed 10/810:25 amBRU - MDW

2 stops15h 00mDelta

Mon 10/139:35 amMDW - BRU

2 stops14h 55mDelta

Deal found 9/16

$643

Wed 10/2210:45 amBRU - MDW

1 stop18h 29mDelta

Sun 10/269:35 amMDW - BRU

2 stops16h 00mDelta

Deal found 9/17

$645

Thu 10/2310:45 amBRU - MDW

2 stops18h 29mDelta

Thu 10/309:35 amMDW - BRU

2 stops16h 00mDelta

Deal found 9/15

$640

Thu 10/308:05 amBRU - MDW

2 stops16h 20mDelta

Thu 11/61:08 pmMDW - BRU

2 stops14h 02mDelta

Deal found 9/15

$642

Fri 10/3110:45 amBRU - MDW

2 stops17h 29mDelta

Fri 11/710:40 amMDW - BRU

2 stops15h 20mDelta

Deal found 9/16

$641

One-way flights from Bruxelles-National to Chicago
Search for one-way flight options from Bruxelles-National to Chicago. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Sun 1/259:20 amBRU - ORD

2 stops37h 35mMultiple Airlines

Deal found 9/15

$326

Wed 1/2812:15 pmBRU - ORD

2 stops34h 40mMultiple Airlines

Deal found 9/15

$329

Thu 1/2912:15 pmBRU - ORD

2 stops34h 40mMultiple Airlines

Deal found 9/15

$346

Mon 1/268:45 amBRU - ORD

3 stops43h 15mMultiple Airlines

Deal found 9/15

$352

Tue 1/2712:15 pmBRU - ORD

3 stops39h 45mMultiple Airlines

Deal found 9/15

$357

Sat 1/3111:00 amBRU - ORD

2 stops35h 55mMultiple Airlines

Deal found 9/15

$362

Wed 10/153:10 pmBRU - ORD

2 stops28h 25mMultiple Airlines

Deal found 9/17

$375

Fri 10/319:55 pmBRU - ORD

2 stops47h 50mMultiple Airlines

Deal found 9/16

$394

Thu 12/119:10 amBRU - MDW

3 stops59h 55mMultiple Airlines

Deal found 9/17

$403

Mon 10/1310:25 pmBRU - MDW

3 stops46h 13mMultiple Airlines

Deal found 9/17

$407

Fri 10/1010:15 pmBRU - MDW

3 stops57h 21mMultiple Airlines

Deal found 9/17

$517

Wed 10/159:35 amBRU - MDW

3 stops44h 50mMultiple Airlines

Deal found 9/17

$526

Cheapflights Fare Finder

Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 11/23

12:35 pm-4:45 pm

2 stops35h 10m

Chicago O'Hare Intl

Mon 12/29

7:20 pm-9:40 am

1 stop31h 20m

$499

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 10/23

8:30 am-12:55 pm

1 stop11h 25m

Chicago O'Hare Intl

Mon 10/27

3:35 pm-7:50 am

1 stop10h 15m

$518

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 10/13

10:30 am-2:55 pm

1 stop11h 25m

Chicago O'Hare Intl

Mon 10/20

11:15 am-7:45 am

2 stops13h 30m

$519

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 2/26

10:30 am-3:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 3/2

5:55 pm-8:55 am

Nonstop8h 00m

$519

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 10/17

7:00 am-2:55 pm

1 stop14h 55m

Chicago O'Hare Intl

Tue 10/21

10:00 am-7:45 am

2 stops14h 45m

$519

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 10/8

7:00 am-2:48 pm

2 stops14h 48m

Chicago O'Hare Intl

Mon 10/13

10:40 am-8:05 am

1 stop14h 25m

$520

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 10/23

8:30 am-2:55 pm

1 stop13h 25m

Chicago O'Hare Intl

Thu 10/30

6:50 pm-1:15 pm

1 stop12h 25m

$521

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 2/26

10:30 am-3:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 3/2

5:55 pm-8:55 am

Nonstop8h 00m

$522

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 10/17

7:00 am-2:55 pm

1 stop14h 55m

Chicago O'Hare Intl

Fri 10/24

12:55 pm-7:15 am

1 stop11h 20m

$522

BrusselsChicago

BRU - MDW

BRUMDW

Brussels Bruxelles-National

Fri 10/3

10:45 am-9:36 pm

1 stop17h 51m

Chicago Midway

Thu 10/16

9:35 am-8:40 am

2 stops16h 05m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 39 results

Best time to book a flight from Bruxelles-National to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Bruxelles-National 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 Bruxelles-National Airport to Chicago

How far ahead should I book a flight from Brussels Bruxelles-National Airport to Chicago?

To ensure you get the cheapest price possible for a flight from Brussels Bruxelles-National Airport to Chicago, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to Chicago?

Currently, August is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Chicago (average of $245). Flying from Brussels Bruxelles-National Airport 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?

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

Weekly flight availability from Brussels Bruxelles-National Airport to Chicago

The most flights from BRU 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).

How much does it cost to fly round-trip from Brussels Bruxelles-National Airport to Chicago?

Reviews of airlines servicing Chicago

Read reviews from past customers who have flown United Airlines, Brussels Airlines, and Aer Lingus from Brussels Bruxelles-National Airport to Chicago. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,926 reviews

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

8,926 reviews

United Airlines

7.4

Good

8,926 reviews

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

7.3

Good

359 reviews

United Airlines

7.4

Good

8,926 reviews

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

1,277 reviews

United Airlines

7.4

Good

8,926 reviews

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

8,926 reviews

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

7,409 reviews

United Airlines

7.4

Good

8,926 reviews

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

How long is the flight from Brussels Bruxelles-National Airport to Chicago?
Airlines like Scandinavian Airlines, United Airlines, and Delta fly from Brussels Bruxelles-National Airport to Chicago in about 11h 25m. The time it takes to get you to your destination can typically vary by up to 23h 45m. Brussels Bruxelles-National Airport and Chicago are separated by a distance of 4145 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Brussels Bruxelles-National Airport to Chicago round-trip?
Cheapflights users have booked flights from Brussels Bruxelles-National Airport to Chicago round-trip from $521. Other airlines that can offer you cheap pricing are Brussels Airlines, from $521, and United Airlines, from $568. Users have found that Lufthansa is 17% cheaper than the other options available to this destination.
What are the most reliable airlines from Brussels Bruxelles-National Airport to Chicago?
No one likes to see their flight delayed. When booking a flight from Brussels Bruxelles-National Airport to Chicago consider choosing Air Canada (69%), Austrian Airlines (69%) or Brussels Airlines (69%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Brussels Bruxelles-National Airport to Chicago?
Looking for the cheapest flight from Brussels Bruxelles-National Airport to Chicago? While on average our users pay $637, our data indicates the cheapest price to be $505. The most popular route (Brussels Bruxelles-National - Chicago O'Hare Intl), is priced around $464.
Can I find deals for flights from Bruxelles-National to Chicago that include hotel bookings?
Yes. In addition to deals on Bruxelles-National to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Bruxelles-National to Chicago?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bruxelles-National to Chicago.
Can I find deals for business class flights from Bruxelles-National to Chicago?
Yes. Cheapflights offers flight deals from Bruxelles-National 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 Bruxelles-National Airport to Chicago?
Currently, August is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Chicago (average of $245). Flying from Brussels Bruxelles-National Airport 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

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Lansing

Hammond

Benton Harbor

Porter

Chesterton

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Bruxelles-National to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Brussels Airlines	Cheapest$521	Average$708	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$521	Average$665	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$568	Average$686	FlexibilityNo cancel fee	On-time69%

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$326+ Cheap flights from Bruxelles-National (BRU) 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Bruxelles-National to Chicago with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Brussels Bruxelles-National 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 Bruxelles-National to Chicago

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Bruxelles-National to Chicago

Cheapest flights from Bruxelles-National to ChicagoExplore the most affordable flight options available from Bruxelles-National to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from Bruxelles-National to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Chicago that are best for you.

Best time to book a flight from Bruxelles-National to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Bruxelles-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Brussels Bruxelles-National Airport to Chicago

How far ahead should I book a flight from Brussels Bruxelles-National Airport to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Bruxelles-National to Chicago. Price data was last updated on September 12, 2025.

What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to Chicago?

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

Find hourly flight availability from Bruxelles-National 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 17, 2025.

Weekly flight availability from Brussels Bruxelles-National Airport to Chicago

How much does it cost to fly round-trip from Brussels Bruxelles-National Airport to Chicago?

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Related info for your journey

Find useful and relevant information for your journey from Bruxelles-National 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 Bruxelles-National Airport to Chicago?

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What are the cheapest flights from Brussels Bruxelles-National Airport to Chicago?

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What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to Chicago?

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Alternative routes for Bruxelles-National to Chicago

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Top 3 airlines flying from Bruxelles-National to Chicago

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Cheapest flights from Bruxelles-National to Chicago
Explore the most affordable flight options available from Bruxelles-National to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.