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Cheap flights from Brussels Bruxelles-National Airport to Illinois from $332

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels Bruxelles-National Airport to Illinois departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Brussels Bruxelles-National Airport to Illinois

Cheap round-trip flights

Brussels Airlines Logo
8:10 pm - 12:45 pmBRU-ORD
23h 35m1 stop
Brussels Airlines Logo
5:55 pm - 8:55 amORD-BRU
8h 00mnonstop
$357Brussels Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 20
Scandinavian Airlines Logo
10:20 am - 4:45 pmBRU-ORD
13h 25m1 stop
Scandinavian Airlines Logo
7:20 pm - 8:55 pmORD-BRU
18h 35m2 stops
$456Scandinavian Airlines
Find Deal
Sun, Nov 23 - Mon, Dec 29
Aer Lingus Logo
10:20 am - 7:00 pmBRU-ORD
15h 40m1 stop
Aer Lingus Logo
9:15 pm - 8:40 pmORD-BRU
16h 25m1 stop
$466Aer Lingus
Find Deal
Mon, Sep 15 - Wed, Oct 1
Aer Lingus Logo
10:20 am - 7:00 pmBRU-ORD
15h 40m1 stop
Aer Lingus Logo
3:45 pm - 9:40 amORD-BRU
10h 55m1 stop
$486Aer Lingus
Find Deal
Fri, Sep 19 - Tue, Sep 23
Lufthansa Logo
8:30 am - 12:55 pmBRU-ORD
11h 25m1 stop
Lufthansa Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$497Lufthansa
Find Deal
Mon, Sep 15 - Tue, Sep 30
Lufthansa Logo
10:15 am - 12:05 pmBRU-ORD
8h 50mnonstop
Lufthansa Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$503Lufthansa
Find Deal
Mon, Sep 15 - Tue, Sep 30
British Airways Logo
9:10 pm - 11:50 amBRU-ORD
21h 40m1 stop
British Airways Logo
5:40 pm - 2:10 pmORD-BRU
13h 30m1 stop
$504British Airways
Find Deal
Thu, Sep 11 - Thu, Sep 25
British Airways Logo
9:10 pm - 2:50 pmBRU-ORD
24h 40m1 stop
British Airways Logo
10:35 pm - 6:50 pmORD-BRU
13h 15m1 stop
$506British Airways
Find Deal
Thu, Sep 11 - Thu, Sep 25
United Airlines Logo
9:30 am - 2:55 pmBRU-ORD
12h 25m1 stop
United Airlines Logo
1:17 pm - 7:45 amORD-BRU
11h 28m1 stop
$510United Airlines
Find Deal
Sat, Sep 13 - Thu, Sep 25
United Airlines Logo
10:30 am - 2:55 pmBRU-ORD
11h 25m1 stop
United Airlines Logo
11:15 am - 7:00 amORD-BRU
12h 45m2 stops
$511United Airlines
Find Deal
Fri, Aug 29 - Tue, Sep 2

Brussels Airlines flights from Brussels Bruxelles-National Airport to Illinois

Our best Brussels Airlines deals on Brussels Bruxelles-National Airport to Illinois flight tickets
Brussels Airlines
Nov 6
BRU8:10 pmBrussels Bruxelles-National
23h 35m
1 stop
ORD12:45 pmChicago O'Hare Intl
Nov 20
ORD5:55 pmChicago O'Hare Intl
8h 00m
BRU8:55 amBrussels Bruxelles-National
$357
Find similar
Brussels Airlines
Sep 10
BRU10:15 amBrussels Bruxelles-National
8h 50m
ORD12:05 pmChicago O'Hare Intl
Sep 17
ORD4:00 pmChicago O'Hare Intl
10h 45m
1 stop
BRU9:45 amBrussels Bruxelles-National
$520
Find similar

Scandinavian Airlines flights from Brussels Bruxelles-National Airport to Illinois

Our best Scandinavian Airlines deals on Brussels Bruxelles-National Airport to Illinois flight tickets
Scandinavian Airlines
Nov 23
BRU10:20 amBrussels Bruxelles-National
13h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
Dec 29
ORD7:20 pmChicago O'Hare Intl
18h 35m
2 stops
BRU8:55 pmBrussels Bruxelles-National
$456
Find similar
Scandinavian Airlines
Nov 16
BRU3:10 pmBrussels Bruxelles-National
32h 35m
1 stop
ORD4:45 pmChicago O'Hare Intl
Dec 3
ORD7:20 pmChicago O'Hare Intl
32h 30m
2 stops
BRU10:50 amBrussels Bruxelles-National
$458
Find similar
Scandinavian Airlines
Nov 5
BRU7:20 pmBrussels Bruxelles-National
28h 25m
2 stops
ORD4:45 pmChicago O'Hare Intl
Nov 19
ORD7:20 pmChicago O'Hare Intl
17h 30m
1 stop
BRU7:50 pmBrussels Bruxelles-National
$459
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Brussels Bruxelles-National Airport 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 11/6

8:10 pm-12:45 pm

1 stop23h 35m

Chicago O'Hare Intl

Thu 11/20

5:55 pm-8:55 am

Nonstop8h 00m

$357

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 11/23

10:20 am-4:45 pm

1 stop13h 25m

Chicago O'Hare Intl

Mon 12/29

7:20 pm-8:55 pm

2 stops18h 35m

$456

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 9/15

10:20 am-7:00 pm

1 stop15h 40m

Chicago O'Hare Intl

Wed 10/1

9:15 pm-8:40 pm

1 stop16h 25m

$466

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 9/19

10:20 am-7:00 pm

1 stop15h 40m

Chicago O'Hare Intl

Tue 9/23

3:45 pm-9:40 am

1 stop10h 55m

$486

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 9/15

8:30 am-12:55 pm

1 stop11h 25m

Chicago O'Hare Intl

Tue 9/30

5:55 pm-9:00 am

Nonstop8h 05m

$497

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 9/15

10:15 am-12:05 pm

Nonstop8h 50m

Chicago O'Hare Intl

Tue 9/30

5:55 pm-9:00 am

Nonstop8h 05m

$503

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 9/11

9:10 pm-11:50 am

1 stop21h 40m

Chicago O'Hare Intl

Thu 9/25

5:40 pm-2:10 pm

1 stop13h 30m

$504

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 9/11

9:10 pm-2:50 pm

1 stop24h 40m

Chicago O'Hare Intl

Thu 9/25

10:35 pm-6:50 pm

1 stop13h 15m

$506

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 9/13

9:30 am-2:55 pm

1 stop12h 25m

Chicago O'Hare Intl

Thu 9/25

1:17 pm-7:45 am

1 stop11h 28m

$510

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 8/29

10:30 am-2:55 pm

1 stop11h 25m

Chicago O'Hare Intl

Tue 9/2

11:15 am-7:00 am

2 stops12h 45m

$511

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Brussels Bruxelles-National Airport to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Brussels Bruxelles-National Airport is in February. Flight prices, which tend to average around $526, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $591.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Brussels Bruxelles-National Airport to Illinois is on a Thursday when prices can be found for as low as $744. Flights from Brussels Bruxelles-National Airport to Illinois on a Monday will generally be more expensive and average around $828. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Brussels Bruxelles-National Airport to Illinois during this time can be as low as $583. Flights at noon are often more expensive with an average ticket price of $800.

What is the cheapest Brussels Bruxelles-National to Illinois flight route?

Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Brussels Bruxelles-National - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Brussels Bruxelles-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $669 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Brussels Bruxelles-National Airport for as low as $577 on momondo.

What cabin class options are available on Brussels Bruxelles-National to Illinois flights?

There are 3 cabin classes available to choose from on Brussels Bruxelles-National to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Brussels Bruxelles-National Airport to Illinois flights?

You could potentially save up to 14% on your flight if you consider stops on a Brussels Bruxelles-National Airport to Illinois flight.

Cheap Brussels Bruxelles-National Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Brussels Bruxelles-National Airport to Illinois

Best Price Found

$332

Fastest flight time

8h 40m

Direct flights

Every day

Airports in Illinois

4 airports
The best one-way flight to Illinois from Brussels Bruxelles-National Airport in the past 72 hours is $332. The best round-trip flight deal from Brussels Bruxelles-National Airport to Illinois found on momondo in the last 72 hours is $357.
The fastest flight from Brussels Bruxelles-National Airport to Illinois takes 8h 40m
Direct flights go from Brussels Bruxelles-National Airport to Illinois every day.
There are 4 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL), Moline Quad-City (MLI)
Search flight deals

  • When did momondo last update prices for flights from Brussels Bruxelles-National Airport to Illinois?

    Prices for flights from Brussels Bruxelles-National Airport to Illinois are updated daily.

  • How many operators does momondo search for flights from Brussels Bruxelles-National Airport to Illinois?

  • How old do you have to be to fly from Brussels Bruxelles-National Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Brussels Bruxelles-National Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Brussels Bruxelles-National Airport to Illinois?

Best airlines flying from Brussels Bruxelles-National Airport to Illinois

Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to Illinois with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $576Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
LufthansaPriceFrom $579Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
Brussels AirlinesPriceFrom $585Free CancellationRating
7.2
350 reviews
Search Brussels Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Brussels to Illinois?

It is quick and easy to find Brussels to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

Can I find flights from Brussels to Illinois with flexible booking policies on momondo?

All flight searches from Brussels to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Brussels to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Brussels to Illinois.

I’m not ready to book a flight from Brussels to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Brussels. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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