Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Brussels from $256

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 1/11. 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.
Scandinavian Airlines Logo
7:10 pm - 10:50 am
ORD
-
BRU
32h 40m2 stops
Scandinavian Airlines Logo
11:30 am - 4:45 pm
BRU
-
ORD
36h 15m2 stops
$460Scandinavian Airlines
Sun, Feb 15 - Tue, Feb 24
Scandinavian Airlines Logo
7:10 pm - 10:50 am
ORD
-
BRU
32h 40m2 stops
Scandinavian Airlines Logo
7:45 pm - 4:45 pm
BRU
-
ORD
28h 00m2 stops
$463Scandinavian Airlines
Sun, Feb 8 - Sun, Feb 15
Scandinavian Airlines Logo
7:20 pm - 2:30 pm
ORD
-
BRU
12h 10m1 stop
Scandinavian Airlines Logo
10:20 am - 4:55 pm
BRU
-
ORD
13h 35m1 stop
$468Scandinavian Airlines
Thu, Jan 22 - Thu, Jan 29
Scandinavian Airlines Logo
7:20 pm - 7:50 pm
ORD
-
BRU
17h 30m1 stop
Scandinavian Airlines Logo
6:55 pm - 4:45 pm
BRU
-
ORD
28h 50m2 stops
$471Scandinavian Airlines
Mon, Jan 12 - Sun, Jan 25
Scandinavian Airlines Logo
7:10 pm - 9:40 am
ORD
-
BRU
31h 30m1 stop
Scandinavian Airlines Logo
11:30 am - 4:45 pm
BRU
-
ORD
36h 15m2 stops
$472Scandinavian Airlines
Sun, Feb 15 - Tue, Feb 24
Scandinavian Airlines Logo
7:10 pm - 10:50 am
ORD
-
BRU
32h 40m2 stops
Scandinavian Airlines Logo
10:20 am - 4:55 pm
BRU
-
ORD
13h 35m1 stop
$473Scandinavian Airlines
Sun, Feb 15 - Sun, Feb 22
Scandinavian Airlines Logo
7:20 pm - 2:30 pm
ORD
-
BRU
12h 10m1 stop
Scandinavian Airlines Logo
7:20 pm - 4:45 pm
BRU
-
ORD
28h 25m2 stops
$474Scandinavian Airlines
Wed, Jan 28 - Fri, Feb 6
Scandinavian Airlines Logo
7:20 pm - 2:30 pm
ORD
-
BRU
12h 10m1 stop
Scandinavian Airlines Logo
7:20 pm - 4:55 pm
BRU
-
ORD
28h 35m2 stops
$475Scandinavian Airlines
Thu, Jan 22 - Thu, Jan 29
Multiple Airlines Logo
3:35 pm - 6:35 pm
ORD
-
CRL
20h 00m2 stops
Multiple Airlines Logo
7:25 am - 8:10 pm
CRL
-
ORD
19h 45m2 stops
$613Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Multiple Airlines Logo
9:55 pm - 10:45 pm
ORD
-
CRL
17h 50m2 stops
Multiple Airlines Logo
8:55 am - 8:00 pm
CRL
-
ORD
18h 05m1 stop
$619Multiple Airlines
Sun, Feb 15 - Tue, Feb 24

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
Feb 15
ORD7:10 pmChicago O'Hare Intl
32h 40m
2 stops
BRU10:50 amBrussels Bruxelles-National
Feb 24
BRU11:30 amBrussels Bruxelles-National
36h 15m
2 stops
ORD4:45 pmChicago O'Hare Intl
$460
Find similar
Scandinavian Airlines
Feb 8
ORD7:10 pmChicago O'Hare Intl
32h 40m
2 stops
BRU10:50 amBrussels Bruxelles-National
Feb 15
BRU7:45 pmBrussels Bruxelles-National
28h 00m
2 stops
ORD4:45 pmChicago O'Hare Intl
$463
Find similar
Scandinavian Airlines
Jan 22
ORD7:20 pmChicago O'Hare Intl
12h 10m
1 stop
BRU2:30 pmBrussels Bruxelles-National
Jan 29
BRU10:20 amBrussels Bruxelles-National
13h 35m
1 stop
ORD4:55 pmChicago O'Hare Intl
$468
Find similar

LOT flights from Chicago O'Hare Intl Airport to Brussels

Our best LOT deals on Chicago O'Hare Intl Airport to Brussels flight tickets
LOT
Jan 1
ORD9:55 pmChicago O'Hare Intl
28h 40m
1 stop
BRU9:35 amBrussels Bruxelles-National
Jan 16
BRU7:50 amBrussels Bruxelles-National
19h 10m
1 stop
ORD8:00 pmChicago O'Hare Intl
$792
Find similar
LOT
Dec 29
ORD9:55 pmChicago O'Hare Intl
13h 50m
1 stop
BRU6:45 pmBrussels Bruxelles-National
Feb 15
BRU10:30 amBrussels Bruxelles-National
16h 30m
1 stop
ORD8:00 pmChicago O'Hare Intl
$831
Find similar
LOT
Jan 1
ORD9:55 pmChicago O'Hare Intl
18h 00m
1 stop
BRU10:55 pmBrussels Bruxelles-National
Jan 16
BRU7:50 amBrussels Bruxelles-National
19h 10m
1 stop
ORD8:00 pmChicago O'Hare Intl
$833
Find similar

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 December 26, 2025.
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

Sun 2/15

7:10 pm-10:50 am

2 stops32h 40m

Brussels Bruxelles-National

Tue 2/24

11:30 am-4:45 pm

2 stops36h 15m

$460

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 2/8

7:10 pm-10:50 am

2 stops32h 40m

Brussels Bruxelles-National

Sun 2/15

7:45 pm-4:45 pm

2 stops28h 00m

$463

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 1/22

7:20 pm-2:30 pm

1 stop12h 10m

Brussels Bruxelles-National

Thu 1/29

10:20 am-4:55 pm

1 stop13h 35m

$468

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 1/12

7:20 pm-7:50 pm

1 stop17h 30m

Brussels Bruxelles-National

Sun 1/25

6:55 pm-4:45 pm

2 stops28h 50m

$471

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 2/15

7:10 pm-9:40 am

1 stop31h 30m

Brussels Bruxelles-National

Tue 2/24

11:30 am-4:45 pm

2 stops36h 15m

$472

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 2/15

7:10 pm-10:50 am

2 stops32h 40m

Brussels Bruxelles-National

Sun 2/22

10:20 am-4:55 pm

1 stop13h 35m

$473

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 1/28

7:20 pm-2:30 pm

1 stop12h 10m

Brussels Bruxelles-National

Fri 2/6

7:20 pm-4:45 pm

2 stops28h 25m

$474

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 1/22

7:20 pm-2:30 pm

1 stop12h 10m

Brussels Bruxelles-National

Thu 1/29

7:20 pm-4:55 pm

2 stops28h 35m

$475

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Thu 1/22

3:35 pm-6:35 pm

2 stops20h 00m

Charleroi Brussels

Thu 1/29

7:25 am-8:10 pm

2 stops19h 45m

$613

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 2/15

9:55 pm-10:45 pm

2 stops17h 50m

Charleroi Brussels

Tue 2/24

8:55 am-8:00 pm

1 stop18h 05m

$619

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 $529.

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 $1,081. 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 $1,305.

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

According to our data, the cheapest time of day to fly to Brussels is in the evening. momondo users have found flights departing from Chicago O'Hare Intl Airport to Brussels in the evening for as low as $579. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,190.

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 $770 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 $486 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
7.4
1,627 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $428Free CancellationRating
7.0
592 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $445Free CancellationRating
7.2
2,098 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
4,115 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $531Free CancellationRating
7.2
1,412 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $551Free CancellationRating
6.7
7,618 reviews
Search British Airways flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $986Free CancellationRating
7.2
377 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
Sun 1/25
Sun 2/1
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