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Cheap flights from Illinois to Brussels from $305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Brussels departing on 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:25 am - 10:30 pm
ORD
-
CRL
28h 05m
2 stops
Multiple Airlines Logo
6:35 am - 9:40 am
CRL
-
ORD
34h 05m
2 stops
$648Multiple Airlines
Sun, Apr 26 - Tue, May 5
Multiple Airlines Logo
11:25 am - 7:00 pm
ORD
-
CRL
24h 35m
2 stops
Multiple Airlines Logo
2:45 pm - 6:15 pm
CRL
-
ORD
34h 30m
2 stops
$651Multiple Airlines
Sun, Apr 26 - Tue, May 5
Multiple Airlines Logo
11:25 am - 3:25 pm
ORD
-
CRL
21h 00m
2 stops
Multiple Airlines Logo
2:45 pm - 6:15 pm
CRL
-
ORD
34h 30m
2 stops
$653Multiple Airlines
Sun, Apr 26 - Tue, May 5
Multiple Airlines Logo
11:25 am - 7:40 pm
ORD
-
CRL
25h 15m
2 stops
Multiple Airlines Logo
8:30 pm - 6:15 pm
CRL
-
ORD
28h 45m
2 stops
$660Multiple Airlines
Sun, Apr 26 - Tue, May 5
Multiple Airlines Logo
11:25 am - 7:40 pm
ORD
-
CRL
25h 15m
2 stops
Multiple Airlines Logo
8:30 pm - 6:15 pm
CRL
-
ORD
28h 45m
2 stops
$663Multiple Airlines
Sun, Apr 26 - Tue, May 5
Multiple Airlines Logo
11:25 am - 4:05 pm
ORD
-
CRL
21h 40m
2 stops
Multiple Airlines Logo
7:05 am - 9:40 am
CRL
-
ORD
33h 35m
2 stops
$704Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
Multiple Airlines Logo
11:25 am - 9:25 pm
ORD
-
CRL
27h 00m
2 stops
Multiple Airlines Logo
9:20 am - 9:40 am
CRL
-
ORD
31h 20m
2 stops
$713Multiple Airlines
Sun, Apr 19 - Wed, May 6
Multiple Airlines Logo
7:25 pm - 10:55 pm
ORD
-
CRL
20h 30m
2 stops
Multiple Airlines Logo
5:35 pm - 12:27 am
CRL
-
ORD
37h 52m
3 stops
$721Multiple Airlines
Sun, Apr 19 - Wed, May 6
Multiple Airlines Logo
7:25 pm - 8:35 pm
ORD
-
CRL
18h 10m
2 stops
Multiple Airlines Logo
5:35 pm - 12:27 am
CRL
-
ORD
37h 52m
3 stops
$740Multiple Airlines
Mon, May 4 - Wed, May 6
Multiple Airlines Logo
7:25 pm - 8:05 am
ORD
-
CRL
29h 40m
2 stops
Multiple Airlines Logo
4:10 pm - 11:50 am
CRL
-
ORD
26h 40m
1 stop
$741Multiple Airlines
Sat, Apr 25 - Wed, Jun 10

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Charleroi Brussels Airport 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 March 28, 2026.
Use the filters below to find and compare flights from Illinois to Charleroi Brussels Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/26

11:25 am-10:30 pm

2 stops28h 05m

Charleroi Brussels

Tue 5/5

6:35 am-9:40 am

2 stops34h 05m

$648

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/26

11:25 am-7:00 pm

2 stops24h 35m

Charleroi Brussels

Tue 5/5

2:45 pm-6:15 pm

2 stops34h 30m

$651

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/26

11:25 am-3:25 pm

2 stops21h 00m

Charleroi Brussels

Tue 5/5

2:45 pm-6:15 pm

2 stops34h 30m

$653
Quickest round-trip

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/26

11:25 am-7:40 pm

2 stops25h 15m

Charleroi Brussels

Tue 5/5

8:30 pm-6:15 pm

2 stops28h 45m

$660

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/26

11:25 am-7:40 pm

2 stops25h 15m

Charleroi Brussels

Tue 5/5

8:30 pm-6:15 pm

2 stops28h 45m

$663

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Wed 4/22

11:25 am-4:05 pm

2 stops21h 40m

Charleroi Brussels

Wed 4/29

7:05 am-9:40 am

2 stops33h 35m

$704

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/19

11:25 am-9:25 pm

2 stops27h 00m

Charleroi Brussels

Wed 5/6

9:20 am-9:40 am

2 stops31h 20m

$713

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/19

7:25 pm-10:55 pm

2 stops20h 30m

Charleroi Brussels

Wed 5/6

5:35 pm-12:27 am

3 stops37h 52m

$721

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Mon 5/4

7:25 pm-8:35 pm

2 stops18h 10m

Charleroi Brussels

Wed 5/6

5:35 pm-12:27 am

3 stops37h 52m

$740

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sat 4/25

7:25 pm-8:05 am

2 stops29h 40m

Charleroi Brussels

Wed 6/10

4:10 pm-11:50 am

1 stop26h 40m

$741

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Cheap Illinois to Charleroi Brussels Airport flight deals and tips

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

Fastest flight time

14h 05m

Direct flights

None
The fastest flight from Illinois to Charleroi Brussels Airport takes 14h 05m
There are no direct flights from Illinois to Charleroi Brussels Airport. There are no popular flight routes from Illinois to Charleroi Brussels Airport.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Charleroi Brussels Airport?

    Prices for flights from Illinois to Charleroi Brussels Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Illinois to Charleroi Brussels Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Charleroi Brussels Airport.

  • What documentation or ID do you need to fly to Charleroi Brussels Airport?

    The travel and health documents you'll need for your trip to Charleroi Brussels Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Charleroi Brussels Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Illinois to Charleroi Brussels Airport?

    Confirm your travel details to search for the latest offers for flights from Illinois to Charleroi Brussels Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Illinois to Charleroi Brussels Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Brussels from Illinois.

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

Flights from Illinois to Brussels with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Illinois to Brussels flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Illinois to Brussels now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Brussels and let you know when they change.

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