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$347+ 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
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$503
(AirNGo)

One-way from

$347
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$795

Good round-trip deal

$703 or less

Good one-way deal

$792 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. 10% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This AirNGo deal was found by Cheapflights users on 7/1. 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 8/210:05 pmBRU - STL
2 stops25h 17mBritish Airways
Sat 8/164:19 pmSTL - BRU
2 stops34h 36mBritish Airways
Deal found 7/1$503
This Gotogate deal was found by Cheapflights users on 7/2. 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.
Sat 7/126:55 pmBRU - ORD
1 stop25h 15mITA Airways
Mon 8/183:00 pmORD - BRU
1 stop20h 00mITA Airways
Deal found 7/2$541
This Flysmarter deal was found by Cheapflights users on 7/2. 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 10/210:20 amBRU - ORD
1 stop12h 50mScandinavian Airlines
Wed 12/37:20 pmORD - BRU
2 stops16h 20mScandinavian Airlines
Deal found 7/2$543
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:55 amBRU - ORD
1 stop17h 45mTAP AIR PORTUGAL
Mon 9/226:10 pmORD - BRU
1 stop18h 55mTAP AIR PORTUGAL
Deal found 6/30$548
This lastminute.com deal was found by Cheapflights users on 6/30. 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.
Wed 7/99:10 pmBRU - ORD
1 stop21h 45mBritish Airways
Mon 8/1110:35 pmORD - BRU
1 stop28h 20mBritish Airways
Deal found 6/30$556
This Justfly.com deal was found by Cheapflights users on 7/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:50 pmBRU - ORD
1 stop11h 25mIcelandair
Wed 9/247:25 pmORD - BRU
1 stop10h 25mIcelandair
Deal found 7/1$594
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 7/1010:50 amBRU - ORD
1 stop14h 25mAmerican Airlines
Thu 7/244:30 pmORD - BRU
1 stop11h 55mAmerican Airlines
Deal found 7/1$603
This Expedia deal was found by Cheapflights users on 7/1. 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.
Fri 11/2810:15 amBRU - ORD
1 stop14h 40mAer Lingus
Sat 12/137:40 pmORD - BRU
1 stop13h 40mAer Lingus
Deal found 7/1$606
This Flighttix deal was found by Cheapflights users on 7/1. 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.
Mon 8/1810:00 amBRU - STL
1 stop17h 00mAir Canada
Mon 8/259:15 amSTL - BRU
2 stops15h 45mAir Canada
Deal found 7/1$608
This Flighttix deal was found by Cheapflights users on 7/1. 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.
Sat 8/2310:00 amBRU - ORD
1 stop15h 41mAir Canada
Sat 8/309:55 amORD - BRU
2 stops15h 05mAir Canada
Deal found 7/1$610
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 12/410:15 amBRU - STL
2 stops18h 32mAmerican Airlines
Mon 12/84:08 pmSTL - BRU
2 stops14h 47mAmerican Airlines
Deal found 6/30$620
This Flighttix deal was found by Cheapflights users on 7/1. 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.
Fri 8/158:45 amBRU - STL
1 stop14h 30mUnited Airlines
Fri 8/221:10 pmSTL - BRU
1 stop11h 05mUnited Airlines
Deal found 7/1$629

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 July 2, 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

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sat 8/2

10:05 pm-4:22 pm

2 stops25h 17m

Lambert-St Louis

Sat 8/16

4:19 pm-9:55 am

2 stops34h 36m

$503

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 8/12

10:55 am-11:55 am

1 stop32h 00m

Chicago O'Hare Intl

Wed 8/27

8:35 pm-8:25 pm

1 stop16h 50m

$526

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 7/15

11:35 am-1:10 pm

1 stop32h 35m

Chicago O'Hare Intl

Wed 8/13

3:00 pm-6:00 pm

1 stop20h 00m

$528

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 10/2

10:20 am-4:10 pm

1 stop12h 50m

Chicago O'Hare Intl

Wed 12/3

7:20 pm-6:40 pm

2 stops16h 20m

$543

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 8/16

10:05 pm-11:55 am

1 stop20h 50m

Chicago O'Hare Intl

Wed 8/27

5:54 pm-8:25 pm

2 stops19h 31m

$585

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 9/10

1:50 pm-6:15 pm

1 stop11h 25m

Chicago O'Hare Intl

Wed 9/24

7:25 pm-12:50 pm

1 stop10h 25m

$594

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 8/11

10:15 am-11:55 am

Nonstop8h 40m

Chicago O'Hare Intl

Sun 8/24

12:50 pm-7:15 am

1 stop11h 25m

$598

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 11/28

10:15 am-5:55 pm

1 stop14h 40m

Chicago O'Hare Intl

Sat 12/13

7:40 pm-4:20 pm

1 stop13h 40m

$606

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 8/18

10:00 am-8:00 pm

1 stop17h 00m

Lambert-St Louis

Mon 8/25

9:15 am-8:00 am

2 stops15h 45m

$608

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 8/23

10:00 am-6:41 pm

1 stop15h 41m

Chicago O'Hare Intl

Sat 8/30

9:55 am-8:00 am

2 stops15h 05m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 37 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 July 2, 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 July 2, 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).

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 July 2, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and LOT 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.
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,092 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,301 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 cheapest airlines to fly from Brussels Bruxelles-National Airport to Illinois one-way?

    One-way options have recently been found by users for as low as $540 on Aer Lingus. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $549 and LOT from $577 one-way.

  • 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 (77%), Austrian Airlines (77%), Brussels Airlines( 77%).

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

    Looking at all options, your cheapest flight can be booked for $672. While the most popular route (Brussels Bruxelles-National - Chicago O'Hare Intl) can be booked for $486 on average our data indicates $2,133 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 O'Hare Intl flights
Bruxelles-National to Los Angeles flights
Bruxelles-National to Las Vegas flights
Bruxelles-National to Miami flights
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Bruxelles-National to Orlando flights
Bruxelles-National to Midway flights
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Bruxelles-National to Hobby flights
Bruxelles-National to Boston flights
Charleroi Brussels to Los Angeles flights
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Bruxelles-National to Dallas/Fort Worth flights
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Bruxelles-National to Reagan-National flights
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Bruxelles-National to San Francisco flights
Bruxelles-National to George Bush Intcntl flights
Charleroi Brussels to Miami flights
Bruxelles-National to Portland flights
Bruxelles-National to Honolulu flights
Charleroi Brussels to Boston flights
Bruxelles-National to Detroit flights
Bruxelles-National to Austin flights
Bruxelles-National to San Jose flights
Bruxelles-National to Tampa flights
Bruxelles-National to Nashville flights
Charleroi Brussels to Minneapolis flights
Bruxelles-National to Charlotte flights
Bruxelles-National to Oakland flights
Bruxelles-National to Kahului flights
Bruxelles-National to Indianapolis flights
Bruxelles-National to Sky Harbor Intl flights
Bruxelles-National to New Orleans flights
Charleroi Brussels to Orlando 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$576Average$705FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$579Average$691FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$592Average$815FlexibilityNo cancel feeOn-timeN/A

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