Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Brussels from $233

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 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m
1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m
1 stop
$392Icelandair
Thu, Feb 5 - Thu, Feb 12
Icelandair Logo
10:25 pm - 12:55 pm
ORD
-
BRU
31h 30m
1 stop
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m
1 stop
$393Icelandair
Fri, Apr 3 - Fri, Apr 10
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
$398Icelandair
Wed, Apr 8 - Sat, Apr 18
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
$399Icelandair
Fri, Apr 24 - Wed, May 6
Icelandair Logo
10:25 pm - 12:55 pm
ORD
-
BRU
31h 30m
1 stop
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m
1 stop
$401Icelandair
Fri, Apr 3 - Sun, May 10
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
$403Icelandair
Thu, Apr 2 - Sat, May 9
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
$404Icelandair
Sat, May 2 - Wed, May 13
Icelandair Logo
10:25 pm - 12:55 pm
ORD
-
BRU
31h 30m
1 stop
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m
1 stop
$405Icelandair
Fri, Apr 3 - Sat, May 9
Multiple Airlines Logo
7:15 am - 10:20 pm
ORD
-
CRL
33h 05m
2 stops
Multiple Airlines Logo
6:20 am - 8:10 pm
CRL
-
ORD
19h 50m
2 stops
$553Multiple Airlines
Sun, Mar 8 - Tue, Mar 17
Multiple Airlines Logo
10:50 pm - 10:20 pm
ORD
-
CRL
17h 30m
2 stops
Multiple Airlines Logo
6:20 am - 8:10 pm
CRL
-
ORD
19h 50m
2 stops
$563Multiple Airlines
Sun, Mar 8 - Tue, Mar 17

Icelandair flights from Chicago O'Hare Intl Airport to Brussels

Our best Icelandair deals on Chicago O'Hare Intl Airport to Brussels flight tickets
Icelandair
Feb 5
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
BRU11:55 amBrussels Bruxelles-National
Feb 12
BRU12:50 pmBrussels Bruxelles-National
11h 30m
1 stop
ORD5:20 pmChicago O'Hare Intl
$392
Icelandair
Apr 3
ORD10:25 pmChicago O'Hare Intl
31h 30m
1 stop
BRU12:55 pmBrussels Bruxelles-National
Apr 10
BRU1:50 pmBrussels Bruxelles-National
11h 25m
1 stop
ORD6:15 pmChicago O'Hare Intl
$393
Icelandair
Apr 8
ORD7:25 pmChicago O'Hare Intl
10h 30m
1 stop
BRU12:55 pmBrussels Bruxelles-National
Apr 18
BRU1:50 pmBrussels Bruxelles-National
11h 25m
1 stop
ORD6:15 pmChicago O'Hare Intl
$398

Scandinavian Airlines flights from Chicago O'Hare Intl Airport to Brussels

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Brussels flight tickets
Scandinavian Airlines
Mar 8
ORD8:20 pmChicago O'Hare Intl
16h 15m
1 stop
BRU6:35 pmBrussels Bruxelles-National
Mar 17
BRU7:20 pmBrussels Bruxelles-National
28h 25m
2 stops
ORD5:45 pmChicago O'Hare Intl
$443
Scandinavian Airlines
Feb 18
ORD7:20 pmChicago O'Hare Intl
17h 30m
1 stop
BRU7:50 pmBrussels Bruxelles-National
Feb 25
BRU10:20 amBrussels Bruxelles-National
13h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
$450
Scandinavian Airlines
Feb 5
ORD7:20 pmChicago O'Hare Intl
12h 10m
1 stop
BRU2:30 pmBrussels Bruxelles-National
Feb 12
BRU10:20 amBrussels Bruxelles-National
13h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
$451

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Brussels 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 15, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 2/5

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Thu 2/12

12:50 pm-5:20 pm

1 stop11h 30m

$392

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 4/3

10:25 pm-12:55 pm

1 stop31h 30m

Brussels Bruxelles-National

Fri 4/10

1:50 pm-6:15 pm

1 stop11h 25m

$393

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/8

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Sat 4/18

1:50 pm-6:15 pm

1 stop11h 25m

$398

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 4/24

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Wed 5/6

1:50 pm-6:15 pm

1 stop11h 25m

$399

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 4/3

10:25 pm-12:55 pm

1 stop31h 30m

Brussels Bruxelles-National

Sun 5/10

1:50 pm-6:15 pm

1 stop11h 25m

$401

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 4/2

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Sat 5/9

1:50 pm-6:15 pm

1 stop11h 25m

$403

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 5/2

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Wed 5/13

1:50 pm-6:15 pm

1 stop11h 25m

$404

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 4/3

10:25 pm-12:55 pm

1 stop31h 30m

Brussels Bruxelles-National

Sat 5/9

1:50 pm-6:15 pm

1 stop11h 25m

$405

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/8

7:15 am-10:20 pm

2 stops33h 05m

Charleroi Brussels

Tue 3/17

6:20 am-8:10 pm

2 stops19h 50m

$553

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/8

10:50 pm-10:20 pm

2 stops17h 30m

Charleroi Brussels

Tue 3/17

6:20 am-8:10 pm

2 stops19h 50m

$563

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Brussels from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Brussels

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 Brussels?

In general, September is the cheapest month to fly from Chicago O'Hare Intl Airport to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $515. If you are unable to visit Brussels during the month of September, then departing from Chicago O'Hare Intl Airport during the month October is also very affordable. Most momondo users find prices during this month for around $550.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Chicago O'Hare Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,069. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,368.

What is the cheapest Chicago O'Hare Intl to Brussels flight route?

Fly from Chicago O'Hare Intl to Brussels Bruxelles-National for the best Chicago O'Hare Intl - Brussels flight prices

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $752 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Chicago O'Hare Intl Airport for as low as $500 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Brussels flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Chicago O'Hare Intl Airport to Brussels flight deals and tips

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

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Brussels

2 airports
The fastest flight from Chicago O'Hare Intl Airport to Brussels takes 8h 00m
Direct flights go from Chicago O'Hare Intl Airport to Brussels every day.
There are 2 airports in Brussels. From Chicago O'Hare Intl Airport there are direct flights to Brussels Bruxelles-National (BRU).
Search flight deals

  • How far is Chicago O'Hare Intl to Brussels by plane?

    The straight-line distance from Chicago O'Hare Intl to Brussels is 4141.6 mi. By plane, this route typically takes 8h 00m.

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

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

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Brussels?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Brussels.

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

    The required travel and health documents for your Brussels trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Brussels. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Chicago O'Hare Intl Airport to Brussels

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Brussels with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $298Free CancellationRating
7.3
1,654 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $428Free CancellationRating
7.1
596 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $445Free CancellationRating
7.1
2,121 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
4,175 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $531Free CancellationRating
7.2
1,435 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $551Free CancellationRating
6.7
7,676 reviews
Search British Airways flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $752Free CancellationRating
7.2
380 reviews
Search Brussels Airlines flights

Why use momondo?

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

It is quick and easy to find Chicago to Brussels 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 Brussels that suits you.

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

Yes. All flights to Brussels from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Yes. momondo can track prices for Chicago to Brussels flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/14
Sat 2/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport