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Cheap flights from Chicago O'Hare Intl Airport to Brussels from $372

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 9/15. 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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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 - 4:45 pm
BRU
-
ORD
13h 25m
1 stop
$626Scandinavian Airlines
Sat, Nov 7 - Sat, Nov 14
Scandinavian Airlines Logo
7:15 pm - 6:40 pm
ORD
-
BRU
16h 25m
2 stops
Scandinavian Airlines Logo
8:30 pm - 4:45 pm
BRU
-
ORD
27h 15m
1 stop
$628Scandinavian Airlines
Sat, Nov 7 - Sat, Nov 14
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
$649Scandinavian Airlines
Thu, Sep 24 - Fri, Oct 2
Scandinavian Airlines Logo
8:15 pm - 7:50 pm
ORD
-
BRU
17h 35m
1 stop
Scandinavian Airlines Logo
10:20 am - 4:45 pm
BRU
-
ORD
13h 25m
1 stop
$653Scandinavian Airlines
Thu, Oct 29 - Wed, Nov 4
Scandinavian Airlines Logo
7:15 pm - 6:40 pm
ORD
-
BRU
16h 25m
2 stops
Scandinavian Airlines Logo
11:35 am - 4:45 pm
BRU
-
ORD
36h 10m
2 stops
$655Scandinavian Airlines
Sat, Nov 7 - Sat, Nov 14
Scandinavian Airlines Logo
8:15 pm - 2:30 pm
ORD
-
BRU
12h 15m
1 stop
Scandinavian Airlines Logo
8:30 pm - 5:45 pm
BRU
-
ORD
27h 15m
1 stop
$659Scandinavian Airlines
Sun, Oct 25 - Sat, Oct 31
Scandinavian Airlines Logo
8:15 pm - 11:30 am
ORD
-
BRU
33h 15m
2 stops
Scandinavian Airlines Logo
10:20 am - 4:45 pm
BRU
-
ORD
13h 25m
1 stop
$666Scandinavian Airlines
Thu, Oct 29 - Wed, Nov 4
Scandinavian Airlines Logo
7:15 pm - 2:35 pm
ORD
-
BRU
12h 20m
1 stop
Scandinavian Airlines Logo
8:30 pm - 4:45 pm
BRU
-
ORD
27h 15m
1 stop
$683Scandinavian Airlines
Tue, Sep 1 - Tue, Nov 3
Turkish Airlines Logo
11:25 am - 10:10 am
ORD
-
BRU
15h 45m
1 stop
Turkish Airlines Logo
7:20 am - 9:40 am
BRU
-
ORD
33h 20m
1 stop
$684Turkish Airlines
Wed, Sep 16 - Tue, Sep 22
Turkish Airlines Logo
8:10 pm - 9:25 pm
ORD
-
BRU
18h 15m
1 stop
Turkish Airlines Logo
6:55 pm - 9:40 am
BRU
-
ORD
21h 45m
1 stop
$687Turkish Airlines
Wed, Sep 16 - Tue, Sep 22

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

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport flight tickets
Turkish Airlines
Sep 16
ORD11:25 amChicago O'Hare Intl
15h 45m
1 stop
BRU10:10 amBrussels Bruxelles-National
Sep 22
BRU7:20 amBrussels Bruxelles-National
33h 20m
1 stop
ORD9:40 amChicago O'Hare Intl
$684
Turkish Airlines
Sep 16
ORD8:10 pmChicago O'Hare Intl
18h 15m
1 stop
BRU9:25 pmBrussels Bruxelles-National
Sep 22
BRU6:55 pmBrussels Bruxelles-National
21h 45m
1 stop
ORD9:40 amChicago O'Hare Intl
$687
Turkish Airlines
Sep 16
ORD11:25 amChicago O'Hare Intl
15h 45m
1 stop
BRU10:10 amBrussels Bruxelles-National
Sep 22
BRU6:55 pmBrussels Bruxelles-National
21h 45m
1 stop
ORD9:40 amChicago O'Hare Intl
$688

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

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport flight tickets
Scandinavian Airlines
Sep 24
ORD7:15 pmChicago O'Hare Intl
17h 35m
1 stop
BRU7:50 pmBrussels Bruxelles-National
Oct 2
BRU10:20 amBrussels Bruxelles-National
12h 50m
1 stop
ORD4:10 pmChicago O'Hare Intl
$649
Scandinavian Airlines
Oct 29
ORD8:15 pmChicago O'Hare Intl
17h 35m
1 stop
BRU7:50 pmBrussels Bruxelles-National
Nov 4
BRU10:20 amBrussels Bruxelles-National
13h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
$653
Scandinavian Airlines
Oct 25
ORD8:15 pmChicago O'Hare Intl
12h 15m
1 stop
BRU2:30 pmBrussels Bruxelles-National
Oct 31
BRU8:30 pmBrussels Bruxelles-National
27h 15m
1 stop
ORD5:45 pmChicago O'Hare Intl
$659

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Brussels Bruxelles-National 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 May 16, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 11/7

7:15 pm-7:50 pm

1 stop17h 35m

Brussels Bruxelles-National

Sat 11/14

10:20 am-4:45 pm

1 stop13h 25m

$626

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 11/7

7:15 pm-6:40 pm

2 stops16h 25m

Brussels Bruxelles-National

Sat 11/14

8:30 pm-4:45 pm

1 stop27h 15m

$628
Quickest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 9/24

7:15 pm-7:50 pm

1 stop17h 35m

Brussels Bruxelles-National

Fri 10/2

10:20 am-4:10 pm

1 stop12h 50m

$649

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 10/29

8:15 pm-7:50 pm

1 stop17h 35m

Brussels Bruxelles-National

Wed 11/4

10:20 am-4:45 pm

1 stop13h 25m

$653

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 11/7

7:15 pm-6:40 pm

2 stops16h 25m

Brussels Bruxelles-National

Sat 11/14

11:35 am-4:45 pm

2 stops36h 10m

$655

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 10/25

8:15 pm-2:30 pm

1 stop12h 15m

Brussels Bruxelles-National

Sat 10/31

8:30 pm-5:45 pm

1 stop27h 15m

$659

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 10/29

8:15 pm-11:30 am

2 stops33h 15m

Brussels Bruxelles-National

Wed 11/4

10:20 am-4:45 pm

1 stop13h 25m

$666

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 9/1

7:15 pm-2:35 pm

1 stop12h 20m

Brussels Bruxelles-National

Tue 11/3

8:30 pm-4:45 pm

1 stop27h 15m

$683

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 9/16

11:25 am-10:10 am

1 stop15h 45m

Brussels Bruxelles-National

Tue 9/22

7:20 am-9:40 am

1 stop33h 20m

$684

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 9/16

8:10 pm-9:25 pm

1 stop18h 15m

Brussels Bruxelles-National

Tue 9/22

6:55 pm-9:40 am

1 stop21h 45m

$687

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 Bruxelles-National Airport

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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Brussels Bruxelles-National Airport?

What is the cheapest month to fly to Brussels Bruxelles-National Airport?

The cheapest month to fly to Brussels Bruxelles-National Airport from Chicago O'Hare Intl Airport is in April. Flight prices, which tend to average around $628, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Brussels Bruxelles-National Airport from Chicago O'Hare Intl Airport during November instead. Flights to Brussels Bruxelles-National Airport in November, while not as cheap as those in April, still average around $639.

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

The cheapest day to depart from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport is on a Tuesday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Tuesday will often find tickets for as low as $1,042. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport for around $1,363.

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

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

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport?

You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around $780 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels Bruxelles-National Airport from Chicago O'Hare Intl Airport for as low as $477 on momondo.

How have Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport flight prices changed over time?

When to book flights from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Brussels Bruxelles-National 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 Brussels Bruxelles-National Airport (ORD to BRU) flight deals and tips

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

Best Price Found

$638

Fastest flight time

8h 00m

Direct flights

Every day
The best one-way flight to Brussels Bruxelles-National Airport from Chicago O'Hare Intl Airport in the past 72 hours is $638. The best round-trip flight deal from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $1,435.
The fastest flight from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport takes 8h 00m
Direct flights go from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport every day.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport

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

    Chicago O'Hare Intl and Brussels Bruxelles-National are 4144.8 mi apart from one another. Flights usually cover this in 8h 00m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    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 Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The required travel and health documents for your Brussels Bruxelles-National Airport 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 Bruxelles-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport?

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $418Free CancellationRating
7.0
654 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $433Free CancellationRating
7.4
1,777 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $444Free CancellationRating
7.2
2,253 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $481Free CancellationRating
7.3
1,562 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $582Free CancellationRating
7.4
4,368 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $586Free CancellationRating
7.4
9,724 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $752Free CancellationRating
7.3
408 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $969Free CancellationRating
6.8
8,004 reviews
Search Lufthansa flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport

    United Airlines flight deals from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport start from $586 round-trip. Over the 6 United Airlines flights for this route in a normal week, average airfare is usually $1,096 round-trip - but some users have found much cheaper deals with momondo.

  • Brussels Airlines Flights From Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport

    Another popular option for Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport flights is Brussels Airlines (7.3/10, 408 ratings). Brussels Airlines flies from Chicago O'Hare Intl Airport to Brussels Bruxelles-National Airport around 6 times per week, with deals starting from $752 round-trip and rising to an average price of around $1,765.

Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Leuven
Charleroi
Zaventem
Mons
Hasselt
Durbuy
Genk
Dinant
Namur
Waterloo
Aalst
Mechelen
Knokke-Heist
Spa
Francorchamps
Tournai
Oostkamp
Halle

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Brussels. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Chicago to Brussels flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Brussels from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Brussels, momondo offers a useful price alert feature which will track prices for flights to Brussels from Chicago and alert you when they change.

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