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$326+ Cheap flights from Bruxelles-National (BRU) to Illinois

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.
BRU — ORD
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Bruxelles-National to Illinois

Keep the following information in mind while searching for Bruxelles-National to Illinois flight deals. Data was last updated septiembre 17, 2025.

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 Illinois
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One-way flight from Brussels Bruxelles-National to Illinois
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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 Illinois.
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Price to beat on a one-way flight from Brussels Bruxelles-National to Illinois.
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Find flight deals from Bruxelles-National to Illinois

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

This AirNGo deal was found by Cheapflights users on 9/15. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2210:30 amBRU - ORD
1 stop11h 25mUnited Airlines
dom. 10/55:55 pmORD - BRU
Nonstop8h 05mUnited Airlines
Deal found 9/15$498
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/303:10 pmBRU - ORD
1 stop32h 35mScandinavian Airlines
jue. 11/67:20 pmORD - BRU
2 stops18h 35mScandinavian Airlines
Deal found 9/15$499
This Flighttix deal was found by Cheapflights users on 9/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/3010:30 amBRU - ORD
1 stop11h 50mLufthansa
jue. 11/65:55 pmORD - BRU
Nonstop8h 00mLufthansa
Deal found 9/15$500
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/235:55 pmBRU - ORD
1 stop28h 05mTAP AIR PORTUGAL
mié. 1/77:10 pmORD - BRU
1 stop21h 40mTAP AIR PORTUGAL
Deal found 9/15$501
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/288:30 pmBRU - ORD
1 stop30h 35mScandinavian Airlines
jue. 11/67:20 pmORD - BRU
2 stops18h 35mScandinavian Airlines
Deal found 9/15$502
This Flighttix deal was found by Cheapflights users on 9/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2810:30 amBRU - ORD
1 stop11h 50mUnited Airlines
jue. 11/61:00 pmORD - BRU
1 stop11h 15mUnited Airlines
Deal found 9/15$504
This Flighttix deal was found by Cheapflights users on 9/16. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/2510:30 amBRU - ORD
1 stop11h 25mUnited Airlines
mié. 10/82:20 pmORD - BRU
1 stop10h 25mUnited Airlines
Deal found 9/16$505
This Flighttix deal was found by Cheapflights users on 9/16. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/312:25 pmBRU - ORD
1 stop12h 40mLufthansa
vie. 11/75:55 pmORD - BRU
Nonstop8h 00mLufthansa
Deal found 9/16$507
This lastminute.com deal was found by Cheapflights users on 9/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2210:00 amBRU - ORD
1 stop29h 01mAir Canada
dom. 10/510:40 amORD - BRU
1 stop14h 25mAir Canada
Deal found 9/15$509
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/610:15 amBRU - STL
2 stops20h 41mAmerican Airlines
sáb. 11/1510:44 amSTL - BRU
2 stops16h 46mAmerican Airlines
Deal found 9/16$585
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3111:45 amBRU - STL
2 stops33h 05mAmerican Airlines
mar. 11/42:50 pmSTL - BRU
2 stops13h 00mAmerican Airlines
Deal found 9/17$589
This British Airways deal was found by Cheapflights users on 9/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/111:35 amBRU - STL
2 stops16h 33mBritish Airways
sáb. 11/82:08 pmSTL - BRU
2 stops16h 32mBritish Airways
Deal found 9/17$591

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bruxelles-National to Illinois 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 septiembre 17, 2025.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Illinois that are best for you.

Fly from

Bruxelles-National

Fly to

Illinois

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

dom. 11/23

12:35 pm-4:45 pm

2 stops35h 10m

Chicago O'Hare Intl

lun. 12/29

7:20 pm-9:40 am

1 stop31h 20m

$499

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

jue. 10/23

8:30 am-12:55 pm

1 stop11h 25m

Chicago O'Hare Intl

lun. 10/27

3:35 pm-7:50 am

1 stop10h 15m

$518

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

lun. 10/13

10:30 am-2:55 pm

1 stop11h 25m

Chicago O'Hare Intl

lun. 10/20

11:15 am-7:45 am

2 stops13h 30m

$519

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

jue. 2/26

10:30 am-3:20 pm

1 stop11h 50m

Chicago O'Hare Intl

lun. 3/2

5:55 pm-8:55 am

Nonstop8h 00m

$519

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

vie. 10/17

7:00 am-2:55 pm

1 stop14h 55m

Chicago O'Hare Intl

mar. 10/21

10:00 am-7:45 am

2 stops14h 45m

$519

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

mié. 10/8

7:00 am-2:48 pm

2 stops14h 48m

Chicago O'Hare Intl

lun. 10/13

10:40 am-8:05 am

1 stop14h 25m

$520

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

jue. 10/23

8:30 am-2:55 pm

1 stop13h 25m

Chicago O'Hare Intl

jue. 10/30

6:50 pm-1:15 pm

1 stop12h 25m

$521

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

jue. 2/26

10:30 am-3:20 pm

1 stop11h 50m

Chicago O'Hare Intl

lun. 3/2

5:55 pm-8:55 am

Nonstop8h 00m

$522

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

vie. 10/17

7:00 am-2:55 pm

1 stop14h 55m

Chicago O'Hare Intl

vie. 10/24

12:55 pm-7:15 am

1 stop11h 20m

$522

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

vie. 11/7

11:45 am-11:56 pm

2 stops19h 11m

Lambert-St Louis

jue. 11/13

2:50 pm-10:50 am

2 stops13h 00m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 49 results
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Best time to book a flight from Bruxelles-National to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

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

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

Find hourly flight availability from Bruxelles-National to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Brussels Bruxelles-National Airport to Illinois as you normally would.

Weekly flight availability from Brussels Bruxelles-National Airport to Illinois

Explore weekly flight availability from Bruxelles-National to Illinois. 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 septiembre 17, 2025.

The most flights from BRU to USIL 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 Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated septiembre 17, 2025.
Peruse reviews from past customers who have flown with United Airlines, Brussels Airlines, and Aer Lingus from Brussels Bruxelles-National Airport to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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 Bruxelles-National to Illinois. 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 Illinois?

    There are many flights that can get you from Brussels Bruxelles-National Airport to Illinois in 11h 25m. Fly via Scandinavian Airlines, United Airlines, or American Airlines to get the fastest option. Airlines will cover a distance of 4145 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Brussels Bruxelles-National Airport to Illinois?

    The most popular flight routes from Brussels Bruxelles-National Airport to Illinois are Brussels Bruxelles-National - Chicago O'Hare Intl, Brussels Bruxelles-National - Chicago Midway and Brussels Bruxelles-National - Lambert-St Louis.

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

    Before booking your flight to Illinois from Brussels Bruxelles-National Airport, 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 Bruxelles-National Airport to Illinois?

    Looking at all options, your cheapest flight can be booked for $505. While the most popular route (Brussels Bruxelles-National - Chicago O'Hare Intl) can be booked for $464 on average, our data indicates $637 when flying from Brussels Bruxelles-National Airport to Illinois.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bruxelles-National to Illinois 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 Illinois?

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

See prices for flight routes from nearby airports that may be better suited for you.
Bruxelles-National to Newark flights
Bruxelles-National to John F Kennedy Intl flights
Bruxelles-National to LaGuardia flights
Charleroi Brussels to John F Kennedy Intl flights
Bruxelles-National to Los Angeles flights
Bruxelles-National to Ontario flights
Bruxelles-National to Miami flights
Bruxelles-National to O'Hare Intl flights
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Bruxelles-National to Dulles Intl flights
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Charleroi Brussels to Los Angeles flights
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Bruxelles-National to San Francisco flights
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Charleroi Brussels to Miami flights
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Bruxelles-National to Atlanta flights
Charleroi Brussels to Boston flights
Bruxelles-National to Reagan-National flights
Bruxelles-National to Baltimore flights
Bruxelles-National to Midway flights
Bruxelles-National to Tampa flights
Bruxelles-National to Portland flights
Bruxelles-National to Minneapolis flights
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Bruxelles-National to Detroit flights
Bruxelles-National to George Bush Intcntl flights
Bruxelles-National to Raleigh flights
Bruxelles-National to New Orleans flights
Bruxelles-National to San Jose flights
Charleroi Brussels to Dulles Intl flights
Bruxelles-National to Nashville flights
Bruxelles-National to Sarasota flights
Bruxelles-National to Honolulu flights
Bruxelles-National to Charlotte flights
Charleroi Brussels to Atlanta flights
Bruxelles-National to Burbank flights
Charleroi Brussels to San Francisco flights
Bruxelles-National to Columbus flights

Top 3 airlines flying from Bruxelles-National to Illinois

Discover the top 3 airlines that operate flights from Bruxelles-National to Illinois. 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$521Average$708FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$521Average$665FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$568Average$686FlexibilityNo cancel feeOn-time69%

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