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Cheap flights from Chicago O'Hare Intl Airport to Brussels from $273

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 4/12. 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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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
7:15 pm - 7:50 pm
ORD
-
BRU
17h 35m
1 stop
Scandinavian Airlines Logo
10:20 am - 4:10 pm
BRU
-
ORD
12h 50m
1 stop
$465Scandinavian Airlines
Fri, May 1 - Fri, May 8
Scandinavian Airlines Logo
7:15 pm - 7:50 pm
ORD
-
BRU
17h 35m
1 stop
Scandinavian Airlines Logo
10:20 am - 4:10 pm
BRU
-
ORD
12h 50m
1 stop
$485Scandinavian Airlines
Fri, May 1 - Fri, May 8
Scandinavian Airlines Logo
7:15 pm - 9:40 am
ORD
-
BRU
31h 25m
1 stop
Scandinavian Airlines Logo
5:45 am - 4:10 pm
BRU
-
ORD
17h 25m
1 stop
$507Scandinavian Airlines
Mon, Apr 27 - Mon, May 4
Scandinavian Airlines Logo
7:15 pm - 10:40 am
ORD
-
BRU
32h 25m
2 stops
Scandinavian Airlines Logo
5:45 am - 4:10 pm
BRU
-
ORD
17h 25m
1 stop
$512Scandinavian Airlines
Mon, Apr 27 - Mon, May 4
Aer Lingus Logo
3:45 pm - 9:40 am
ORD
-
BRU
10h 55m
1 stop
Aer Lingus Logo
10:20 am - 7:15 pm
BRU
-
ORD
15h 55m
1 stop
$518Aer Lingus
Wed, Apr 22 - Wed, Apr 29
TAP AIR PORTUGAL Logo
6:00 pm - 11:00 am
ORD
-
BRU
34h 00m
1 stop
TAP AIR PORTUGAL Logo
3:55 pm - 4:00 pm
BRU
-
ORD
31h 05m
1 stop
$520TAP AIR PORTUGAL
Sun, May 3 - Tue, May 12
Turkish Airlines Logo
11:25 am - 5:55 pm
ORD
-
BRU
23h 30m
1 stop
Turkish Airlines Logo
6:50 pm - 9:40 am
BRU
-
ORD
21h 50m
1 stop
$546Turkish Airlines
Mon, May 4 - Thu, May 14
Turkish Airlines Logo
11:25 am - 1:25 pm
ORD
-
BRU
19h 00m
1 stop
Turkish Airlines Logo
7:20 am - 9:40 am
BRU
-
ORD
33h 20m
1 stop
$548Turkish Airlines
Tue, Apr 28 - Thu, May 21
Multiple Airlines Logo
11:25 am - 10:55 pm
ORD
-
CRL
28h 30m
2 stops
Multiple Airlines Logo
7:55 am - 9:40 am
CRL
-
ORD
32h 45m
2 stops
$624Multiple Airlines
Tue, Apr 7 - Tue, Apr 21
Multiple Airlines Logo
11:25 am - 5:35 pm
ORD
-
CRL
23h 10m
2 stops
Multiple Airlines Logo
8:00 am - 9:40 am
CRL
-
ORD
32h 40m
2 stops
$630Multiple Airlines
Mon, May 4 - Tue, May 12

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
May 1
ORD7:15 pmChicago O'Hare Intl
17h 35m
1 stop
BRU7:50 pmBrussels Bruxelles-National
May 8
BRU10:20 amBrussels Bruxelles-National
12h 50m
1 stop
ORD4:10 pmChicago O'Hare Intl
$465
Scandinavian Airlines
May 1
ORD7:15 pmChicago O'Hare Intl
17h 35m
1 stop
BRU7:50 pmBrussels Bruxelles-National
May 8
BRU10:20 amBrussels Bruxelles-National
12h 50m
1 stop
ORD4:10 pmChicago O'Hare Intl
$485
Scandinavian Airlines
Apr 27
ORD7:15 pmChicago O'Hare Intl
31h 25m
1 stop
BRU9:40 amBrussels Bruxelles-National
May 4
BRU5:45 amBrussels Bruxelles-National
17h 25m
1 stop
ORD4:10 pmChicago O'Hare Intl
$507

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

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Brussels flight tickets
Turkish Airlines
May 4
ORD11:25 amChicago O'Hare Intl
23h 30m
1 stop
BRU5:55 pmBrussels Bruxelles-National
May 14
BRU6:50 pmBrussels Bruxelles-National
21h 50m
1 stop
ORD9:40 amChicago O'Hare Intl
$546
Turkish Airlines
Apr 28
ORD11:25 amChicago O'Hare Intl
19h 00m
1 stop
BRU1:25 pmBrussels Bruxelles-National
May 21
BRU7:20 amBrussels Bruxelles-National
33h 20m
1 stop
ORD9:40 amChicago O'Hare Intl
$548
Turkish Airlines
Apr 28
ORD11:25 amChicago O'Hare Intl
15h 45m
1 stop
BRU10:10 amBrussels Bruxelles-National
May 5
BRU2:25 pmBrussels Bruxelles-National
26h 15m
1 stop
ORD9:40 amChicago O'Hare Intl
$549

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 March 18, 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

Cheapest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 5/1

7:15 pm-7:50 pm

1 stop17h 35m

Brussels Bruxelles-National

Fri 5/8

10:20 am-4:10 pm

1 stop12h 50m

$465

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 5/1

7:15 pm-7:50 pm

1 stop17h 35m

Brussels Bruxelles-National

Fri 5/8

10:20 am-4:10 pm

1 stop12h 50m

$485

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 4/27

7:15 pm-9:40 am

1 stop31h 25m

Brussels Bruxelles-National

Mon 5/4

5:45 am-4:10 pm

1 stop17h 25m

$507

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 4/27

7:15 pm-10:40 am

2 stops32h 25m

Brussels Bruxelles-National

Mon 5/4

5:45 am-4:10 pm

1 stop17h 25m

$512
Quickest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/22

3:45 pm-9:40 am

1 stop10h 55m

Brussels Bruxelles-National

Wed 4/29

10:20 am-7:15 pm

1 stop15h 55m

$518

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 5/3

6:00 pm-11:00 am

1 stop34h 00m

Brussels Bruxelles-National

Tue 5/12

3:55 pm-4:00 pm

1 stop31h 05m

$520

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 5/4

11:25 am-5:55 pm

1 stop23h 30m

Brussels Bruxelles-National

Thu 5/14

6:50 pm-9:40 am

1 stop21h 50m

$546

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 4/28

11:25 am-1:25 pm

1 stop19h 00m

Brussels Bruxelles-National

Thu 5/21

7:20 am-9:40 am

1 stop33h 20m

$548

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Tue 4/7

11:25 am-10:55 pm

2 stops28h 30m

Charleroi Brussels

Tue 4/21

7:55 am-9:40 am

2 stops32h 45m

$624

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Mon 5/4

11:25 am-5:35 pm

2 stops23h 10m

Charleroi Brussels

Tue 5/12

8:00 am-9:40 am

2 stops32h 40m

$630

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, October 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 $507. If you are unable to visit Brussels during the month of October, then departing from Chicago O'Hare Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $513.

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 $1,058. 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 $1,304.

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 $721 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 $475 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
1,719 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $418Free CancellationRating
7.1
622 reviews
Search Icelandair flights
Turkish AirlinesPriceFrom $419Free CancellationRating
7.3
4,258 reviews
Search Turkish Airlines flights
TAP AIR PORTUGALPriceFrom $444Free CancellationRating
7.1
2,170 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $531Free CancellationRating
7.2
1,477 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
9,437 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $752Free CancellationRating
7.2
391 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $969Free CancellationRating
6.8
7,858 reviews
Search Lufthansa 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.

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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