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Cheap flights from Chicago O'Hare Intl Airport to Brussels from $251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Brussels departing on 5/4. 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 Chicago O'Hare Intl Airport to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:00 pm - 6:15 pm
ORD
-
CRL
14h 15m
1 stop
Multiple Airlines Logo
9:20 am - 7:15 pm
CRL
-
ORD
16h 55m
1 stop
$543Multiple Airlines
Sun, Mar 29 - Wed, Apr 8
Multiple Airlines Logo
10:50 pm - 10:25 pm
ORD
-
CRL
17h 35m
2 stops
Multiple Airlines Logo
1:35 pm - 5:20 pm
CRL
-
ORD
33h 45m
2 stops
$557Multiple Airlines
Sun, Mar 15 - Tue, Mar 24
Multiple Airlines Logo
7:15 am - 10:25 pm
ORD
-
CRL
33h 10m
3 stops
Multiple Airlines Logo
1:35 pm - 7:25 pm
CRL
-
ORD
35h 50m
2 stops
$571Multiple Airlines
Sun, Mar 15 - Tue, Mar 24
Multiple Airlines Logo
10:50 pm - 10:40 pm
ORD
-
CRL
17h 50m
2 stops
Multiple Airlines Logo
4:50 pm - 9:05 pm
CRL
-
ORD
34h 15m
2 stops
$578Multiple Airlines
Mon, Mar 16 - Tue, Mar 24
Multiple Airlines Logo
6:50 pm - 8:55 pm
ORD
-
CRL
19h 05m
2 stops
Multiple Airlines Logo
8:10 am - 8:10 pm
CRL
-
ORD
19h 00m
2 stops
$587Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
Multiple Airlines Logo
10:55 pm - 10:45 pm
ORD
-
CRL
17h 50m
2 stops
Multiple Airlines Logo
8:55 am - 9:00 pm
CRL
-
ORD
18h 05m
1 stop
$592Multiple Airlines
Sun, Mar 15 - Tue, Mar 24
Multiple Airlines Logo
10:55 pm - 10:45 pm
ORD
-
CRL
17h 50m
2 stops
Multiple Airlines Logo
8:55 am - 9:00 pm
CRL
-
ORD
18h 05m
1 stop
$595Multiple Airlines
Sun, Mar 15 - Tue, Mar 24
Multiple Airlines Logo
9:00 pm - 6:15 pm
ORD
-
CRL
14h 15m
1 stop
Multiple Airlines Logo
9:45 pm - 5:50 pm
CRL
-
ORD
27h 05m
2 stops
$599Multiple Airlines
Sun, Mar 29 - Wed, Apr 8
Multiple Airlines Logo
10:50 pm - 10:40 pm
ORD
-
CRL
17h 50m
2 stops
Multiple Airlines Logo
4:50 pm - 2:25 pm
CRL
-
ORD
27h 35m
3 stops
$601Multiple Airlines
Mon, Mar 16 - Tue, Mar 24
Multiple Airlines Logo
6:30 pm - 4:00 pm
ORD
-
CRL
14h 30m
2 stops
Multiple Airlines Logo
5:15 pm - 2:45 pm
CRL
-
ORD
28h 30m
2 stops
$605Multiple Airlines
Sun, Feb 1 - Sat, Feb 7

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 January 21, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Charleroi Brussels Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/29

9:00 pm-6:15 pm

1 stop14h 15m

Charleroi Brussels

Wed 4/8

9:20 am-7:15 pm

1 stop16h 55m

$543

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/15

10:50 pm-10:25 pm

2 stops17h 35m

Charleroi Brussels

Tue 3/24

1:35 pm-5:20 pm

2 stops33h 45m

$557

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/15

7:15 am-10:25 pm

3 stops33h 10m

Charleroi Brussels

Tue 3/24

1:35 pm-7:25 pm

2 stops35h 50m

$571

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Mon 3/16

10:50 pm-10:40 pm

2 stops17h 50m

Charleroi Brussels

Tue 3/24

4:50 pm-9:05 pm

2 stops34h 15m

$578

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Tue 2/17

6:50 pm-8:55 pm

2 stops19h 05m

Charleroi Brussels

Tue 2/24

8:10 am-8:10 pm

2 stops19h 00m

$587

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/15

10:55 pm-10:45 pm

2 stops17h 50m

Charleroi Brussels

Tue 3/24

8:55 am-9:00 pm

1 stop18h 05m

$592

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/15

10:55 pm-10:45 pm

2 stops17h 50m

Charleroi Brussels

Tue 3/24

8:55 am-9:00 pm

1 stop18h 05m

$595

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/29

9:00 pm-6:15 pm

1 stop14h 15m

Charleroi Brussels

Wed 4/8

9:45 pm-5:50 pm

2 stops27h 05m

$599

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Mon 3/16

10:50 pm-10:40 pm

2 stops17h 50m

Charleroi Brussels

Tue 3/24

4:50 pm-2:25 pm

3 stops27h 35m

$601

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 2/1

6:30 pm-4:00 pm

2 stops14h 30m

Charleroi Brussels

Sat 2/7

5:15 pm-2:45 pm

2 stops28h 30m

$605

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Chicago O'Hare Intl Airport to Charleroi Brussels Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Charleroi Brussels Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Charleroi Brussels Airport (ORD to CRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Charleroi Brussels Airport

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Charleroi Brussels Airport takes 12h 30m
There are no direct flights from Chicago O'Hare Intl Airport to Charleroi Brussels Airport. There are no popular flight routes from Chicago O'Hare Intl Airport to Charleroi Brussels Airport.
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  • How far is Chicago O'Hare Intl to Charleroi Brussels by plane?

    The straight-line distance from Chicago O'Hare Intl to Charleroi Brussels is 4159.4 mi. In terms of flight time, this usually takes a little over 12h 30m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Charleroi Brussels Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Charleroi Brussels Airport are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Charleroi Brussels Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport to Charleroi Brussels Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Chicago O'Hare Intl Airport from Charleroi Brussels Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Chicago O'Hare Intl Airport to Charleroi Brussels Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Brussels. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Brussels from Chicago with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brussels from Chicago.

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

Price alerts on flights to Brussels from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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