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$339+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — ORD
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$504
(Flysmarter)

One-way from

$339
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$693

Good round-trip deal

$650 or less

Good one-way deal

$630 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. 0% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This Flysmarter deal was found by Cheapflights users on 8/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:00 amBRU - ORD
2 stops14h 55mAir Canada
Thu 9/2512:00 pmORD - BRU
2 stops13h 05mAir Canada
Deal found 8/17$504
This AirNGo deal was found by Cheapflights users on 8/16. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:15 amBRU - ORD
Nonstop8h 40mUnited Airlines
Fri 9/512:50 pmORD - BRU
1 stop11h 35mUnited Airlines
Deal found 8/16$505
This SWISS deal was found by Cheapflights users on 8/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/248:05 pmBRU - ORD
1 stop23h 05mSWISS
Sat 9/67:05 pmORD - BRU
1 stop30h 45mSWISS
Deal found 8/17$506
This Flighttix deal was found by Cheapflights users on 8/17. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:15 amBRU - ORD
Nonstop8h 50mLufthansa
Thu 9/255:55 pmORD - BRU
Nonstop8h 05mLufthansa
Deal found 8/17$507
This Netflights deal was found by Cheapflights users on 8/17. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:50 amBRU - ORD
1 stop13h 10mBritish Airways
Thu 9/258:40 pmORD - BRU
1 stop15h 10mBritish Airways
Deal found 8/17$508
This Flighttix deal was found by Cheapflights users on 8/17. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/248:30 amBRU - ORD
1 stop13h 25mMultiple Airlines
Sat 9/66:00 pmORD - BRU
1 stop12h 15mMultiple Airlines
Deal found 8/17$509
This Flighttix deal was found by Cheapflights users on 8/16. 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.
Tue 9/3010:15 amBRU - ORD
Nonstop8h 50mMultiple Airlines
Tue 10/74:00 pmORD - BRU
1 stop14h 15mMultiple Airlines
Deal found 8/16$510
This lol.travel deal was found by Cheapflights users on 8/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/248:30 amBRU - ORD
1 stop13h 25mUnited Airlines
Sat 9/61:12 pmORD - BRU
1 stop10h 48mUnited Airlines
Deal found 8/17$512
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:15 amBRU - ORD
Nonstop8h 40mBrussels Airlines
Fri 9/55:55 pmORD - BRU
Nonstop8h 05mBrussels Airlines
Deal found 8/16$513
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:30 amBRU - ORD
1 stop11h 25mUnited Airlines
Mon 10/135:55 pmORD - BRU
Nonstop8h 05mUnited Airlines
Deal found 8/16$515
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:50 amBRU - STL
2 stops16h 57mAmerican Airlines
Sun 12/711:14 amSTL - BRU
2 stops19h 36mAmerican Airlines
Deal found 8/15$516
This British Airways deal was found by Cheapflights users on 8/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:55 amBRU - STL
2 stops19h 10mBritish Airways
Sun 10/2612:23 pmSTL - BRU
2 stops16h 27mBritish Airways
Deal found 8/16$519

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 August 18, 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

Sat 11/15

10:10 am-12:10 pm

Nonstop9h 00m

Chicago O'Hare Intl

Tue 11/18

5:55 pm-8:55 am

Nonstop8h 00m

$504

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 9/11

10:30 am-2:55 pm

1 stop11h 25m

Chicago O'Hare Intl

Thu 9/25

4:00 pm-12:45 pm

1 stop13h 45m

$504

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 9/10

9:35 am-6:15 pm

2 stops15h 40m

Chicago O'Hare Intl

Wed 9/17

7:25 pm-9:05 pm

2 stops18h 40m

$504

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 10/23

10:15 am-12:05 pm

Nonstop8h 50m

Chicago O'Hare Intl

Mon 10/27

5:55 pm-7:55 am

Nonstop8h 00m

$504

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 8/23

10:15 am-11:55 am

Nonstop8h 40m

Chicago O'Hare Intl

Fri 9/5

12:50 pm-7:25 am

1 stop11h 35m

$505

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 8/31

8:30 am-2:55 pm

1 stop13h 25m

Chicago O'Hare Intl

Sun 9/14

5:55 pm-9:00 am

Nonstop8h 05m

$505

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 11/8

10:00 am-2:55 pm

1 stop11h 55m

Chicago O'Hare Intl

Sat 11/22

12:50 pm-7:50 am

1 stop12h 00m

$506

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 11/15

7:00 am-7:30 pm

2 stops19h 30m

Chicago O'Hare Intl

Tue 11/18

9:15 am-7:50 am

2 stops15h 35m

$506

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 8/25

9:30 am-2:55 pm

1 stop12h 25m

Chicago O'Hare Intl

Sun 9/7

5:55 pm-9:00 am

Nonstop8h 05m

$506

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Wed 12/3

11:50 am-9:47 pm

2 stops16h 57m

Lambert-St Louis

Sun 12/7

11:14 am-1:50 pm

2 stops19h 36m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 43 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 August 18, 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 August 18, 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 August 18, 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
8,925 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

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
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

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
350 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

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
1,220 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

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
7,330 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

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!
British Airways
6.7
Okay
7,277 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

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.

  • 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: Emirates (71%), Air Canada (62%), Austrian Airlines( 62%).

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

    Looking at all options, your cheapest flight can be booked for $560. While the most popular route (Brussels Bruxelles-National - Chicago O'Hare Intl) can be booked for $441 on average our data indicates $1,244 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 John F Kennedy Intl flights
Bruxelles-National to Newark flights
Bruxelles-National to LaGuardia flights
Charleroi Brussels to John F Kennedy Intl flights
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Bruxelles-National to Dulles Intl flights
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Charleroi Brussels to Orlando flights
Bruxelles-National to Detroit flights
Charleroi Brussels to Boston flights
Charleroi Brussels to San Francisco flights
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Bruxelles-National to Sky Harbor Intl flights
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Bruxelles-National to Anchorage 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$576Average$696FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$579Average$691FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$585Average$755FlexibilityNo cancel feeOn-timeN/A

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