$312 Find Cheap Flights from Illinois to Brussels

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Brussels departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

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

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

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

Flight Deals
Useful Info
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.

Recent round-trip flight deals from Illinois to Brussels

Wed, Sep 16 - Tue, Sep 22
TAP AIR PORTUGAL Logo
6:00 pm - 11:55 pm
ORD
-
BRU
22h 55m
1 stop
TAP AIR PORTUGAL Logo
8:55 pm - 4:00 pm
BRU
-
ORD
26h 05m
1 stop
$685TAP AIR PORTUGAL
Wed, Sep 23 - Sun, Oct 4
TAP AIR PORTUGAL Logo
6:00 pm - 8:05 pm
ORD
-
BRU
19h 05m
1 stop
TAP AIR PORTUGAL Logo
5:55 am - 4:00 pm
BRU
-
ORD
17h 05m
1 stop
$687TAP AIR PORTUGAL
Wed, Dec 2 - Wed, Dec 9
TAP AIR PORTUGAL Logo
7:00 pm - 5:05 pm
ORD
-
BRU
15h 05m
1 stop
TAP AIR PORTUGAL Logo
6:00 am - 3:30 pm
BRU
-
ORD
16h 30m
1 stop
$688TAP AIR PORTUGAL
Wed, Sep 23 - Sun, Oct 4
TAP AIR PORTUGAL Logo
6:00 pm - 8:05 pm
ORD
-
BRU
19h 05m
1 stop
TAP AIR PORTUGAL Logo
5:55 am - 4:00 pm
BRU
-
ORD
17h 05m
1 stop
$689TAP AIR PORTUGAL
Mon, Aug 24 - Thu, Sep 3
Icelandair Logo
7:25 pm - 12:55 pm
ORD
-
BRU
10h 30m
1 stop
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m
1 stop
$705Icelandair
Tue, Sep 22 - Wed, Oct 28
Turkish Airlines Logo
11:25 am - 5:50 pm
ORD
-
BRU
23h 25m
1 stop
Turkish Airlines Logo
11:35 am - 11:00 am
BRU
-
ORD
29h 25m
1 stop
$709Turkish Airlines
Wed, Sep 2 - Tue, Sep 29
Multiple Airlines Logo
9:30 pm - 12:30 pm
ORD
-
CRL
32h 00m
1 stop
Multiple Airlines Logo
7:55 am - 5:50 pm
CRL
-
ORD
16h 55m
2 stops
$724Multiple Airlines
Mon, Nov 16 - Thu, Nov 19
Air Canada Logo
4:15 pm - 1:15 pm
STL
-
BRU
14h 00m
2 stops
Air Canada Logo
10:00 am - 2:18 pm
BRU
-
STL
35h 18m
2 stops
$758Air Canada
Wed, Nov 4 - Sat, Nov 14
Multiple Airlines Logo
6:30 pm - 4:40 pm
ORD
-
CRL
15h 10m
2 stops
Multiple Airlines Logo
5:35 pm - 3:30 pm
CRL
-
ORD
28h 55m
2 stops
$780Multiple Airlines
Sun, Aug 2 - Tue, Aug 11
Air Canada Logo
12:10 pm - 7:10 am
STL
-
BRU
12h 00m
1 stop
Air Canada Logo
9:30 am - 6:42 pm
BRU
-
STL
16h 12m
1 stop
$824Air Canada
Useful Info

Good to know

Cheapest flight$312
Flight from Chicago O'Hare Airport to Brussels Airport

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

Cabin classes available on flights to Brussels. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Brussels
Business Class flights to Brussels
Premium Economy Class flights to Brussels
Economy Class flights to Brussels