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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 2/11. 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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0 bags

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Find the cheapest flights from Brussels Bruxelles-National Airport to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:55 pm - 12:30 pm
BRU
-
ORD
23h 35m
1 stop
Multiple Airlines Logo
10:25 pm - 9:20 am
ORD
-
BRU
27h 55m
2 stops
$552Multiple Airlines
Tue, Jun 2 - Tue, Jun 23
Multiple Airlines Logo
9:15 pm - 12:30 pm
BRU
-
ORD
22h 15m
1 stop
Multiple Airlines Logo
5:00 pm - 7:15 pm
ORD
-
BRU
19h 15m
1 stop
$553Multiple Airlines
Wed, May 20 - Fri, Jun 5
Multiple Airlines Logo
7:05 pm - 5:35 pm
BRU
-
ORD
29h 30m
2 stops
Multiple Airlines Logo
5:00 pm - 2:20 pm
ORD
-
BRU
14h 20m
1 stop
$575Multiple Airlines
Sat, Jun 6 - Sat, Jun 20
Multiple Airlines Logo
9:15 pm - 1:50 pm
BRU
-
ORD
23h 35m
1 stop
Multiple Airlines Logo
4:53 pm - 6:20 pm
ORD
-
BRU
18h 27m
2 stops
$585Multiple Airlines
Wed, May 20 - Fri, Jun 5
Scandinavian Airlines Logo
10:20 am - 4:45 pm
BRU
-
ORD
13h 25m
1 stop
Scandinavian Airlines Logo
7:20 pm - 7:50 pm
ORD
-
BRU
17h 30m
1 stop
$586Scandinavian Airlines
Thu, Feb 12 - Wed, Feb 18
Scandinavian Airlines Logo
8:30 pm - 4:45 pm
BRU
-
ORD
27h 15m
1 stop
Scandinavian Airlines Logo
7:20 pm - 7:50 pm
ORD
-
BRU
17h 30m
1 stop
$591Scandinavian Airlines
Thu, Feb 12 - Thu, Feb 19
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m
1 stop
Icelandair Logo
7:25 pm - 12:55 pm
ORD
-
BRU
10h 30m
1 stop
$592Icelandair
Fri, Mar 6 - Sun, Apr 26
ITA Airways Logo
6:55 pm - 1:10 pm
BRU
-
ORD
25h 15m
1 stop
ITA Airways Logo
8:45 am - 6:00 pm
ORD
-
BRU
26h 15m
2 stops
$594ITA Airways
Wed, May 6 - Tue, May 19
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m
1 stop
Icelandair Logo
7:25 pm - 12:55 pm
ORD
-
BRU
10h 30m
1 stop
$597Icelandair
Fri, Mar 6 - Sun, Apr 26
United Airlines Logo
7:00 am - 2:55 pm
BRU
-
STL
13h 55m
1 stop
United Airlines Logo
8:30 am - 7:15 am
STL
-
BRU
16h 45m
1 stop
$694United Airlines
Fri, Mar 13 - Fri, Mar 20

ITA Airways flights from Brussels Bruxelles-National Airport to Illinois

Our best ITA Airways deals on Brussels Bruxelles-National Airport to Illinois flight tickets
ITA Airways
May 6
BRU6:55 pmBrussels Bruxelles-National
25h 15m
1 stop
ORD1:10 pmChicago O'Hare Intl
May 19
ORD8:45 amChicago O'Hare Intl
26h 15m
2 stops
BRU6:00 pmBrussels Bruxelles-National
$594
ITA Airways
May 2
BRU6:55 pmBrussels Bruxelles-National
30h 38m
2 stops
ORD6:33 pmChicago O'Hare Intl
May 19
ORD11:00 amChicago O'Hare Intl
16h 45m
2 stops
BRU10:45 amBrussels Bruxelles-National
$600
ITA Airways
May 2
BRU6:55 pmBrussels Bruxelles-National
30h 38m
2 stops
ORD6:33 pmChicago O'Hare Intl
May 19
ORD11:00 amChicago O'Hare Intl
16h 45m
2 stops
BRU10:45 amBrussels Bruxelles-National
$602

Air Canada flights from Brussels Bruxelles-National Airport to Illinois

Our best Air Canada deals on Brussels Bruxelles-National Airport to Illinois flight tickets
Air Canada
Mar 13
BRU10:00 amBrussels Bruxelles-National
31h 18m
1 stop
ORD11:18 amChicago O'Hare Intl
Mar 20
ORD7:25 amChicago O'Hare Intl
18h 25m
2 stops
BRU7:50 amBrussels Bruxelles-National
$619
Air Canada
Mar 13
BRU10:00 amBrussels Bruxelles-National
19h 44m
2 stops
ORD11:44 pmChicago O'Hare Intl
Mar 20
ORD7:25 amChicago O'Hare Intl
18h 25m
2 stops
BRU7:50 amBrussels Bruxelles-National
$621
Air Canada
Feb 5
BRU10:00 amBrussels Bruxelles-National
11h 55m
1 stop
ORD2:55 pmChicago O'Hare Intl
Feb 18
ORD12:50 pmChicago O'Hare Intl
12h 00m
1 stop
BRU7:50 amBrussels Bruxelles-National
$626

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 January 29, 2026.
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

Tue 6/2

7:55 pm-12:30 pm

1 stop23h 35m

Chicago O'Hare Intl

Tue 6/23

10:25 pm-9:20 am

2 stops27h 55m

$552

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 5/20

9:15 pm-12:30 pm

1 stop22h 15m

Chicago O'Hare Intl

Fri 6/5

5:00 pm-7:15 pm

1 stop19h 15m

$553

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 6/6

7:05 pm-5:35 pm

2 stops29h 30m

Chicago O'Hare Intl

Sat 6/20

5:00 pm-2:20 pm

1 stop14h 20m

$575

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 5/20

9:15 pm-1:50 pm

1 stop23h 35m

Chicago O'Hare Intl

Fri 6/5

4:53 pm-6:20 pm

2 stops18h 27m

$585

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 2/12

10:20 am-4:45 pm

1 stop13h 25m

Chicago O'Hare Intl

Wed 2/18

7:20 pm-7:50 pm

1 stop17h 30m

$586

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 2/12

8:30 pm-4:45 pm

1 stop27h 15m

Chicago O'Hare Intl

Thu 2/19

7:20 pm-7:50 pm

1 stop17h 30m

$591

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 3/6

12:50 pm-5:20 pm

1 stop11h 30m

Chicago O'Hare Intl

Sun 4/26

7:25 pm-12:55 pm

1 stop10h 30m

$592

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 5/6

6:55 pm-1:10 pm

1 stop25h 15m

Chicago O'Hare Intl

Tue 5/19

8:45 am-6:00 pm

2 stops26h 15m

$594

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 3/6

12:50 pm-5:20 pm

1 stop11h 30m

Chicago O'Hare Intl

Sun 4/26

7:25 pm-12:55 pm

1 stop10h 30m

$597

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Fri 3/13

7:00 am-2:55 pm

1 stop13h 55m

Lambert-St Louis

Fri 3/20

8:30 am-7:15 am

1 stop16h 45m

$694

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 $530, 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 September is also cheap. Prices for this month can be found on momondo for an average of $539.

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 $722. Flights from Brussels Bruxelles-National Airport to Illinois on a Saturday will generally be more expensive and average around $841. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 $677 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 $602 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

$895

Fastest flight time

8h 45m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Brussels Bruxelles-National Airport in the past 72 hours is $895. The best round-trip flight deal from Brussels Bruxelles-National Airport to Illinois found on momondo in the last 72 hours is $792.
The fastest flight from Brussels Bruxelles-National Airport to Illinois takes 8h 45m
Direct flights go from Brussels Bruxelles-National Airport to Illinois every day.
There are 98 airports in Illinois. From Brussels Bruxelles-National Airport there are direct flights to Chicago O'Hare Intl (ORD).
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
Brussels AirlinesPriceFrom $521Free CancellationRating
7.2
381 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $521Free CancellationRating
6.8
7,754 reviews
Search Lufthansa flights
United AirlinesPriceFrom $568Free CancellationRating
7.4
9,214 reviews
Search United 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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