HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$360+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — ORD
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Brussels to Illinois 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.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Brussels to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Brussels (BR1) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2025.

Round-trip from

$453
(Mytrip)

One-way from

$360
(Kiwi.com)
From Brussels to Illinois
Search Deals
One-way flight from Brussels to Illinois
Search Deals

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 enero 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/21. 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.
jue. 2/64:45 pmCRL - ORD
2 stops29h 45mMultiple Airlines
mié. 2/197:15 pmORD - CRL
2 stops19h 25mMultiple Airlines
Deal found 1/21$453
This Mytrip deal was found by Cheapflights users on 1/20. 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.
lun. 3/106:00 pmBRU - ORD
2 stops28h 05mMultiple Airlines
lun. 3/245:25 pmORD - BRU
3 stops35h 35mMultiple Airlines
Deal found 1/20$455
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/610:15 amBRU - ORD
1 stop14h 40mAer Lingus
dom. 3/94:55 pmORD - BRU
1 stop19h 20mAer Lingus
Deal found 1/21$462
This Gotogate deal was found by Cheapflights users on 1/21. 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.
jue. 2/65:50 pmBRU - ORD
1 stop28h 40mTAP AIR PORTUGAL
mié. 2/197:15 pmORD - BRU
1 stop14h 45mTAP AIR PORTUGAL
Deal found 1/21$467
This AirNGo deal was found by Cheapflights users on 1/21. 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. 3/39:45 amBRU - ORD
1 stop12h 00mBritish Airways
jue. 4/248:35 pmORD - BRU
1 stop15h 15mBritish Airways
Deal found 1/21$486
This American Airlines deal was found by Cheapflights users on 1/20. 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.
lun. 3/109:45 amBRU - ORD
1 stop12h 00mAmerican Airlines
lun. 3/2411:00 amORD - BRU
2 stops20h 55mAmerican Airlines
Deal found 1/20$499
This American Airlines deal was found by Cheapflights users on 1/21. 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.
lun. 3/175:35 pmBRU - STL
2 stops34h 43mAmerican Airlines
lun. 3/242:21 pmSTL - BRU
2 stops20h 19mAmerican Airlines
Deal found 1/21$500
This Mytrip deal was found by Cheapflights users on 1/21. 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.
mié. 5/281:50 pmBRU - ORD
1 stop14h 25mIcelandair
mar. 6/310:15 pmORD - BRU
1 stop31h 35mIcelandair
Deal found 1/21$500
This British Airways deal was found by Cheapflights users on 1/21. 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.
vie. 9/57:35 pmBRU - STL
2 stops27h 33mBritish Airways
mié. 9/172:01 pmSTL - BRU
2 stops17h 04mBritish Airways
Deal found 1/21$502
This Finnair deal was found by Cheapflights users on 1/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/311:40 amBRU - ORD
1 stop12h 45mFinnair
mié. 5/79:30 pmORD - BRU
1 stop13h 50mFinnair
Deal found 1/21$537
This ITA Airways deal was found by Cheapflights users on 1/21. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/93:35 pmBRU - ORD
2 stops28h 35mITA Airways
sáb. 9/203:00 pmORD - BRU
2 stops34h 35mITA Airways
Deal found 1/21$563
This United Airlines deal was found by Cheapflights users on 1/21. 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.
mié. 3/56:45 amBRU - ORD
2 stops15h 00mUnited Airlines
mié. 3/125:55 pmORD - BRU
Nonstop8h 00mUnited Airlines
Deal found 1/21$570

Find flights from Brussels to Illinois within your budget

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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BrusselsChicago

CRL - ORD

CRLORD

Charleroi Brussels

jue. 2/6

4:45 pm-3:30 pm

2 stops29h 45m

Chicago O'Hare Intl

mié. 2/19

7:15 pm-9:40 pm

2 stops19h 25m

$453

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

lun. 3/10

6:00 pm-4:05 pm

2 stops28h 05m

Chicago O'Hare Intl

lun. 3/24

5:25 pm-11:00 am

3 stops35h 35m

$455

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

jue. 3/6

10:15 am-5:55 pm

1 stop14h 40m

Chicago O'Hare Intl

dom. 3/9

4:55 pm-6:15 pm

1 stop19h 20m

$462

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

jue. 2/6

5:50 pm-3:30 pm

1 stop28h 40m

Chicago O'Hare Intl

mié. 2/19

7:15 pm-5:00 pm

1 stop14h 45m

$467

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

lun. 3/3

9:45 am-2:45 pm

1 stop12h 00m

Chicago O'Hare Intl

jue. 4/24

8:35 pm-6:50 pm

1 stop15h 15m

$486

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

lun. 3/10

9:45 am-3:45 pm

1 stop12h 00m

Chicago O'Hare Intl

lun. 3/24

11:00 am-1:55 pm

2 stops20h 55m

$499

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

mié. 5/28

1:50 pm-9:15 pm

1 stop14h 25m

Chicago O'Hare Intl

mar. 6/3

10:15 pm-12:50 pm

1 stop31h 35m

$500

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

lun. 3/17

5:35 pm-10:18 pm

2 stops34h 43m

Lambert-St Louis

lun. 3/24

2:21 pm-4:40 pm

2 stops20h 19m

$500

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

sáb. 5/3

11:40 am-5:25 pm

1 stop12h 45m

Chicago O'Hare Intl

mié. 5/7

9:30 pm-6:20 pm

1 stop13h 50m

$537

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

mié. 3/5

6:45 am-2:45 pm

2 stops15h 00m

Chicago O'Hare Intl

mié. 3/12

1:00 pm-7:15 am

1 stop12h 15m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 37 results
1
2
3
4

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.

Travel insights for flights from Brussels to Illinois

Get recent, data-driven insights about flights from Brussels to Illinois including ideal travel times, pricing trends, and more.

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 $320). 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 enero 21, 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 enero 21, 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 enero 21, 2025.
Read through reviews of airlines operating flights from Brussels to Illinois, such as British Airways, American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

LOT
7.6
Good
1,117 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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 LOT. According to our data, you can fly for as low as $514. Users have also found prices from $573 and $596 on Lufthansa and Iberia, 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 (72%), Austrian Airlines (72%), Brussels Airlines (72%).

  • What are the cheapest flights from Brussels to Illinois?

    On average you can expect to pay $764 for a flight from Brussels to Illinois. The cheapest flight overall is $580 while the most popular route, (Brussels Bruxelles-National - Chicago O'Hare Intl) is currently priced at $412.

  • 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 $320). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Brussels 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
Bruxelles-National to Miami flights
Bruxelles-National to Dulles Intl flights
Bruxelles-National to Stewart flights
Bruxelles-National to O'Hare Intl flights
Bruxelles-National to Los Angeles flights
Bruxelles-National to Fort Lauderdale flights
Bruxelles-National to Las Vegas flights
Bruxelles-National to West Palm Beach flights
Bruxelles-National to Seattle flights
Bruxelles-National to Orlando flights
Charleroi Brussels to John F Kennedy Intl flights
Bruxelles-National to Reagan-National flights
Charleroi Brussels to Miami flights
Bruxelles-National to Dallas/Fort Worth flights
Bruxelles-National to Midway flights
Bruxelles-National to Boston flights
Bruxelles-National to Baltimore flights
Bruxelles-National to San Francisco flights
Bruxelles-National to Denver flights
Bruxelles-National to Atlanta flights
Bruxelles-National to New Orleans flights
Bruxelles-National to Tampa flights
Bruxelles-National to Hobby flights
Bruxelles-National to Detroit flights
Charleroi Brussels to Orlando flights
Charleroi Brussels to Dulles Intl flights
Bruxelles-National to Philadelphia flights
Bruxelles-National to Honolulu flights
Bruxelles-National to Burbank flights
Bruxelles-National to George Bush Intcntl flights
Bruxelles-National to Portland flights
Charleroi Brussels to Boston flights
Charleroi Brussels to Baltimore flights
Bruxelles-National to Charlotte flights
Bruxelles-National to Sky Harbor Intl flights
Bruxelles-National to Oakland flights
Bruxelles-National to Ontario flights
Bruxelles-National to Salt Lake City flights
Charleroi Brussels to San Francisco flights
Bruxelles-National to San Jose flights
Charleroi Brussels to Los Angeles flights
Bruxelles-National to Austin flights

Top 5 airlines flying from Brussels to Illinois

Discover the top 5 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$462Average$483FlexibilityNo cancel feeOn-timeN/A
ITA AirwaysCheapest$516Average$542FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$590Average$810FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$592Average$818FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$656Average$817FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.