How does KAYAK find such low prices on flights from Illinois to Brussels?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Brussels. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Brussels?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Brussels?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Brussels with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Brussels?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Brussels from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$242 CHEAP FLIGHTS from Illinois to Brussels

KAYAK searches hundreds of travel sites at once for deals on flights to Brussels

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$391

Overall average: $1,034

Icelandair

Sun 4/12Mon 4/20

ORD - BRU • 1 stop

Cheapest non-stop

$746

Typical prices: $1,005-$3,074

Multiple Airlines

Tue 4/14Thu 4/23

ORD - BRU • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Brussels!

Flight Deals

Cheap Flights from Illinois to Brussels

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Brussels that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Brussels

Sun, Apr 12 - Mon, Apr 20

7:25 pm - 12:55 pm

ORD

BRU

10h 30m

1 stop

1:50 pm - 6:15 pm

BRU

ORD

11h 25m

1 stop

$391Icelandair

Thu, Feb 5 - Thu, Feb 12

6:30 pm - 11:55 am

ORD

BRU

10h 25m

1 stop

12:50 pm - 5:20 pm

BRU

ORD

11h 30m

1 stop

$392Icelandair

Sun, Jan 25 - Tue, Feb 3

8:05 am - 7:50 am

STL

BRU

16h 45m

2 stops

10:00 am - 3:15 pm

BRU

STL

36h 15m

2 stops

$430Air Canada

Wed, Mar 18 - Wed, Mar 25

8:30 am - 7:15 am

STL

BRU

16h 45m

1 stop

10:00 am - 2:42 pm

BRU

STL

34h 42m

2 stops

$438United Airlines

Wed, Mar 18 - Wed, Mar 25

8:17 am - 7:50 am

STL

BRU

17h 33m

2 stops

10:00 am - 2:42 pm

BRU

STL

34h 42m

2 stops

$442Air Canada

Wed, Mar 18 - Wed, Mar 25

10:00 am - 7:15 am

STL

BRU

15h 15m

2 stops

10:00 am - 2:42 pm

BRU

STL

34h 42m

2 stops

$443United Airlines

Sat, Mar 28 - Thu, Apr 23

7:50 pm - 1:35 pm

ORD

BRU

11h 45m

1 stop

3:15 pm - 4:10 pm

BRU

ORD

31h 55m

1 stop

$461Scandinavian Airlines

Sat, Apr 11 - Thu, Apr 23

7:15 pm - 6:20 pm

ORD

BRU

16h 05m

2 stops

9:10 pm - 4:10 pm

BRU

ORD

26h 00m

2 stops

$463Scandinavian Airlines

Sun, Mar 8 - Tue, Mar 17

3:35 pm - 10:20 pm

ORD

CRL

24h 45m

2 stops

6:20 am - 8:10 pm

CRL

ORD

19h 50m

2 stops

$549Multiple Airlines

Sun, Mar 8 - Tue, Mar 17

7:50 pm - 10:20 pm

ORD

CRL

20h 30m

2 stops

6:20 am - 8:10 pm

CRL

ORD

19h 50m

2 stops

$567Multiple Airlines

Useful Info

Cheapest flight	$242

Flight from Chicago to Charleroi Brussels

How does KAYAK find such low prices on flights from Illinois to Brussels?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Brussels.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Brussels?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Brussels?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Brussels with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Brussels?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Brussels from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Brussels

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Illinois

First Class flights to Brussels

Business Class flights to Brussels

Prem Econ Class flights to Brussels

Economy Class flights to Brussels

$256 Find Cheap Flights from Illinois to Brussels

KAYAK searches hundreds of travel sites at once for deals on flights to Brussels

Everything you should know

Cheap Flights from Illinois to Brussels

Recent round-trip flight deals from Illinois to Brussels

Recent one-way flight deals from Illinois to Brussels

Recent last minute flight deals from Illinois to Brussels

Recent direct flight deals from Illinois to Brussels

Good to know

FAQs for booking flights from Illinois to Brussels

How does KAYAK find such low prices on flights from Illinois to Brussels?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Brussels.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Brussels?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Brussels?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Brussels with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Brussels?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Brussels from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Brussels

Cabin class types available on flights to Illinois

Complete your trip to Brussels with a hotel stay or car rental

Find direct flights for Brussels

Flights to other popular destinations

Flights from domestic origins to Brussels

Choose which airport to fly into in Brussels

Find deals for your return flight