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Illinois

$314+ Cheap flights from Brussels 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Brussels to Illinois

Keep the following information in mind while searching for Brussels to Illinois flight deals. Data was last updated May 1, 2025.

Round-trip from

$531
(Gotogate)

One-way from

$314
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$655
From Brussels to Illinois
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One-way flight from Brussels to Illinois
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Highest demand for flights based on searches. 10% potential increase in price ($82 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 May 2025
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Find flight deals from Brussels to Illinois

Cheapest flights from Brussels to Illinois
Explore the most affordable flight options available from Brussels to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/88:55 amBRU - ORD
2 stops31h 57mAir Canada
Mon 6/2310:00 amORD - BRU
1 stop14h 50mAir Canada
Deal found 4/30$531
This Flighttix deal was found by Cheapflights users on 4/30. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/810:15 amBRU - ORD
Nonstop8h 40mLufthansa
Mon 6/235:55 pmORD - BRU
Nonstop8h 05mLufthansa
Deal found 4/30$533
This Flighttix deal was found by Cheapflights users on 5/1. 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.
Sun 6/810:15 amBRU - ORD
Nonstop8h 40mMultiple Airlines
Mon 6/232:07 pmORD - BRU
1 stop10h 53mMultiple Airlines
Deal found 5/1$534
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/67:35 pmBRU - ORD
1 stop23h 20mBritish Airways
Tue 6/247:10 pmORD - BRU
1 stop15h 35mBritish Airways
Deal found 4/30$544
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1910:15 amBRU - ORD
Nonstop8h 45mBrussels Airlines
Mon 5/265:55 pmORD - BRU
Nonstop8h 05mBrussels Airlines
Deal found 4/30$545
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2010:00 amBRU - ORD
1 stop29h 02mUnited Airlines
Mon 5/265:55 pmORD - BRU
Nonstop8h 05mUnited Airlines
Deal found 4/30$546
This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/29:15 pmBRU - STL
2 stops26h 07mBritish Airways
Mon 6/94:23 pmSTL - BRU
2 stops14h 57mBritish Airways
Deal found 4/30$555
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 10/32:55 pmBRU - ORD
1 stop29h 55mAmerican Airlines
Wed 10/89:15 pmORD - BRU
1 stop11h 05mAmerican Airlines
Deal found 4/30$556
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/79:20 pmBRU - ORD
1 stop28h 40mAer Lingus
Mon 5/123:45 pmORD - BRU
1 stop10h 55mAer Lingus
Deal found 5/1$609
This Icelandair deal was found by Cheapflights users on 4/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/51:50 pmBRU - ORD
1 stop11h 25mIcelandair
Thu 10/97:25 pmORD - BRU
1 stop10h 25mIcelandair
Deal found 4/30$612
This Gotogate deal was found by Cheapflights users on 4/29. 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 8/307:00 amBRU - STL
2 stops20h 00mAir Canada
Wed 9/101:30 pmSTL - BRU
1 stop11h 35mAir Canada
Deal found 4/29$616
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:55 pmBRU - ORD
2 stops52h 15mScandinavian Airlines
Mon 10/137:15 pmORD - BRU
2 stops32h 00mScandinavian Airlines
Deal found 4/30$619

Cheapflights Fare Finder

Customize your flight search to find flights from Brussels 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 May 1, 2025.
Use the filters below to find and compare flights from Brussels to Illinois that are best for you.

Fly from

Brussels

Fly to

Illinois

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 6/8

8:55 am-9:52 am

2 stops31h 57m

Chicago O'Hare Intl

Mon 6/23

10:00 am-7:50 am

1 stop14h 50m

$531

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 6/8

10:15 am-11:55 am

Nonstop8h 40m

Chicago O'Hare Intl

Mon 6/23

5:55 pm-9:00 am

Nonstop8h 05m

$533

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 6/8

10:15 am-11:55 am

Nonstop8h 40m

Chicago O'Hare Intl

Mon 6/23

2:07 pm-8:00 am

1 stop10h 53m

$534

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 6/6

7:35 pm-11:55 am

1 stop23h 20m

Chicago O'Hare Intl

Fri 6/20

7:15 pm-7:10 pm

1 stop16h 55m

$542

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 5/19

10:15 am-12:00 pm

Nonstop8h 45m

Chicago O'Hare Intl

Mon 5/26

5:55 pm-9:00 am

Nonstop8h 05m

$543

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 5/19

10:00 am-8:12 pm

1 stop17h 12m

Chicago O'Hare Intl

Mon 5/26

5:55 pm-9:00 am

Nonstop8h 05m

$545

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 6/2

9:15 pm-4:22 pm

2 stops26h 07m

Lambert-St Louis

Mon 6/9

4:23 pm-2:20 pm

2 stops14h 57m

$555

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 10/3

2:55 pm-11:50 am

1 stop27h 55m

Chicago O'Hare Intl

Thu 10/9

12:54 pm-9:55 am

2 stops14h 01m

$556

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 10/5

1:50 pm-6:15 pm

1 stop11h 25m

Chicago O'Hare Intl

Wed 10/8

7:25 pm-12:50 pm

1 stop10h 25m

$612

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sat 8/30

7:00 am-8:00 pm

2 stops20h 00m

Lambert-St Louis

Wed 9/10

1:30 pm-8:05 am

1 stop11h 35m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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

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

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

Currently, August is the cheapest month in which you can book a flight from Brussels to Illinois (average of $245). Flying from Brussels 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 Brussels 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 May 1, 2025.

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

Weekly flight availability from Brussels to Illinois

Explore weekly flight availability from Brussels 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 May 1, 2025.

The most flights from BR1 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).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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).

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 May 1, 2025.
Read through reviews of airlines operating flights from Brussels to Illinois, such as Delta, KLM and LOT. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Brussels 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 to Illinois one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $527. Users have also found prices from $556 and $568 on Lufthansa and LOT, respectively.

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

    Most travelers choose Brussels Bruxelles-National - Chicago O'Hare Intl, Brussels Bruxelles-National - Chicago Midway or Charleroi Brussels - Chicago O'Hare Intl when deciding on the best route from Brussels to Illinois.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Brussels to Illinois on time: Air Canada (90%), Austrian Airlines (90%), Brussels Airlines (90%).

  • What are the cheapest flights from Brussels to Illinois?

    On average you can expect to pay $1,179 for a flight from Brussels to Illinois. The cheapest flight overall is $533 while the most popular route, (Brussels Bruxelles-National - Chicago O'Hare Intl) is currently priced at $510.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Brussels 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 to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Brussels to Illinois (average of $245). Flying from Brussels 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 Brussels 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
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Bruxelles-National to O'Hare Intl flights
Charleroi Brussels to John F Kennedy Intl flights
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Bruxelles-National to Sky Harbor Intl flights
Bruxelles-National to Santa Ana flights
Bruxelles-National to Anchorage flights
Bruxelles-National to Burbank flights
Charleroi Brussels to Dulles Intl flights
Bruxelles-National to Omaha flights
Bruxelles-National to San Jose flights
Bruxelles-National to Baton Rouge flights
Bruxelles-National to Portland flights
Charleroi Brussels to Atlanta flights
Charleroi Brussels to Boston flights

Top 3 airlines flying from Brussels to Illinois

Discover the top 3 airlines that operate flights from Brussels 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$576Average$702FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$579Average$696FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$592Average$767FlexibilityNo cancel feeOn-timeN/A

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