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Cheap flights from Chicago to Brussels from $282

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 to Brussels departing on 8/2. 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 to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:15 pm - 11:00 pm
ORD
-
BRU
20h 45m
1 stop
Scandinavian Airlines Logo
5:45 am - 4:10 pm
BRU
-
ORD
17h 25m
1 stop
$453Scandinavian Airlines
Wed, Apr 15 - Mon, Apr 20
Scandinavian Airlines Logo
7:15 pm - 8:30 pm
ORD
-
BRU
18h 15m
2 stops
Scandinavian Airlines Logo
5:45 am - 4:10 pm
BRU
-
ORD
17h 25m
1 stop
$456Scandinavian Airlines
Wed, Apr 15 - Mon, Apr 20
Scandinavian Airlines Logo
8:20 pm - 2:30 pm
ORD
-
BRU
12h 10m
1 stop
Scandinavian Airlines Logo
10:20 am - 5:45 pm
BRU
-
ORD
13h 25m
1 stop
$462Scandinavian Airlines
Mon, Mar 9 - Mon, Mar 16
Scandinavian Airlines Logo
7:15 pm - 8:30 pm
ORD
-
BRU
18h 15m
2 stops
Scandinavian Airlines Logo
9:10 pm - 4:10 pm
BRU
-
ORD
50h 00m
2 stops
$464Scandinavian Airlines
Wed, Apr 15 - Mon, Apr 20
Scandinavian Airlines Logo
8:20 pm - 10:50 am
ORD
-
BRU
32h 30m
2 stops
Scandinavian Airlines Logo
10:20 am - 5:45 pm
BRU
-
ORD
13h 25m
1 stop
$466Scandinavian Airlines
Mon, Mar 9 - Mon, Mar 16
TAP AIR PORTUGAL Logo
6:00 pm - 8:05 pm
ORD
-
BRU
19h 05m
1 stop
TAP AIR PORTUGAL Logo
8:55 pm - 4:00 pm
BRU
-
ORD
26h 05m
1 stop
$470TAP AIR PORTUGAL
Sun, Apr 5 - Tue, Apr 14
TAP AIR PORTUGAL Logo
6:00 pm - 8:05 pm
ORD
-
BRU
19h 05m
1 stop
TAP AIR PORTUGAL Logo
8:55 pm - 4:00 pm
BRU
-
ORD
26h 05m
1 stop
$473TAP AIR PORTUGAL
Sun, Apr 5 - Tue, Apr 14
Air France Logo
12:53 pm - 7:40 am
MDW
-
BRU
11h 47m
1 stop
Air France Logo
9:45 am - 4:25 pm
BRU
-
MDW
13h 40m
1 stop
$762Air France
Wed, Apr 15 - Tue, Apr 28
Delta Logo
10:45 am - 7:40 am
MDW
-
BRU
13h 55m
1 stop
Delta Logo
9:45 am - 4:25 pm
BRU
-
MDW
13h 40m
1 stop
$767Delta
Sun, Apr 12 - Thu, Apr 30
Delta Logo
10:45 am - 7:40 am
MDW
-
BRU
13h 55m
1 stop
Delta Logo
9:45 am - 5:58 pm
BRU
-
MDW
15h 13m
2 stops
$772Delta
Sun, Apr 12 - Thu, Apr 30

TAP AIR PORTUGAL flights from Chicago to Brussels Bruxelles-National Airport

Our best TAP AIR PORTUGAL deals on Chicago to Brussels Bruxelles-National Airport flight tickets
TAP AIR PORTUGAL
Apr 5
ORD6:00 pmChicago O'Hare Intl
19h 05m
1 stop
BRU8:05 pmBrussels Bruxelles-National
Apr 14
BRU8:55 pmBrussels Bruxelles-National
26h 05m
1 stop
ORD4:00 pmChicago O'Hare Intl
$470
TAP AIR PORTUGAL
Apr 5
ORD6:00 pmChicago O'Hare Intl
19h 05m
1 stop
BRU8:05 pmBrussels Bruxelles-National
Apr 14
BRU8:55 pmBrussels Bruxelles-National
26h 05m
1 stop
ORD4:00 pmChicago O'Hare Intl
$473
TAP AIR PORTUGAL
Mar 4
ORD7:10 pmChicago O'Hare Intl
14h 55m
1 stop
BRU5:05 pmBrussels Bruxelles-National
Mar 10
BRU5:55 pmBrussels Bruxelles-National
28h 05m
1 stop
ORD4:00 pmChicago O'Hare Intl
$518

Air France flights from Chicago to Brussels Bruxelles-National Airport

Our best Air France deals on Chicago to Brussels Bruxelles-National Airport flight tickets
Air France
Apr 15
MDW12:53 pmChicago Midway
11h 47m
1 stop
BRU7:40 amBrussels Bruxelles-National
Apr 28
BRU9:45 amBrussels Bruxelles-National
13h 40m
1 stop
MDW4:25 pmChicago Midway
$762
Air France
Apr 5
MDW10:45 amChicago Midway
13h 55m
1 stop
BRU7:40 amBrussels Bruxelles-National
Apr 14
BRU9:45 amBrussels Bruxelles-National
13h 44m
1 stop
MDW4:29 pmChicago Midway
$866
Air France
Apr 5
MDW12:47 pmChicago Midway
11h 53m
1 stop
BRU7:40 amBrussels Bruxelles-National
Apr 14
BRU9:45 amBrussels Bruxelles-National
13h 44m
1 stop
MDW4:29 pmChicago Midway
$881

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 February 12, 2026.
Use the filters below to find and compare flights from Chicago to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/15

7:15 pm-11:00 pm

1 stop20h 45m

Brussels Bruxelles-National

Mon 4/20

5:45 am-4:10 pm

1 stop17h 25m

$453

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/15

7:15 pm-8:30 pm

2 stops18h 15m

Brussels Bruxelles-National

Mon 4/20

5:45 am-4:10 pm

1 stop17h 25m

$456

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 3/9

8:20 pm-2:30 pm

1 stop12h 10m

Brussels Bruxelles-National

Mon 3/16

10:20 am-5:45 pm

1 stop13h 25m

$462

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/15

7:15 pm-8:30 pm

2 stops18h 15m

Brussels Bruxelles-National

Mon 4/20

9:10 pm-4:10 pm

2 stops50h 00m

$464

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 3/9

8:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

Mon 3/16

10:20 am-5:45 pm

1 stop13h 25m

$466

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 4/5

6:00 pm-8:05 pm

1 stop19h 05m

Brussels Bruxelles-National

Tue 4/14

8:55 pm-4:00 pm

1 stop26h 05m

$470

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 4/5

6:00 pm-8:05 pm

1 stop19h 05m

Brussels Bruxelles-National

Tue 4/14

8:55 pm-4:00 pm

1 stop26h 05m

$473

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Wed 4/15

12:53 pm-7:40 am

1 stop11h 47m

Brussels Bruxelles-National

Tue 4/28

9:45 am-4:25 pm

1 stop13h 40m

$762

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 4/12

10:45 am-7:40 am

1 stop13h 55m

Brussels Bruxelles-National

Thu 4/30

9:45 am-4:25 pm

1 stop13h 40m

$767

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 4/12

10:45 am-7:40 am

1 stop13h 55m

Brussels Bruxelles-National

Thu 4/30

9:45 am-5:58 pm

2 stops15h 13m

$772

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 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 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 is in February. Flight prices, which tend to average around $532, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Brussels Bruxelles-National Airport from Chicago during January instead. Flights to Brussels Bruxelles-National Airport in January, while not as cheap as those in February, still average around $556.

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

The cheapest day to depart from Chicago 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 $1,061. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Brussels Bruxelles-National Airport for around $1,346.

What is the cheapest Chicago to Brussels Bruxelles-National flight route?

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

How far in advance should I book a flight to Brussels Bruxelles-National Airport?

You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport 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 Bruxelles-National Airport from Chicago for as low as $480 on momondo.

What cabin class options are available on Chicago to Brussels Bruxelles-National flights?

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

How have Chicago to Brussels Bruxelles-National Airport flight prices changed over time?

When to book flights from Chicago to Brussels Bruxelles-National Airport

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

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

Best Price Found

$666

Fastest flight time

8h 00m

Direct flights

Every day
The best one-way flight to Brussels Bruxelles-National Airport from Chicago in the past 72 hours is $666. The best round-trip flight deal from Chicago to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $967.
The fastest flight from Chicago to Brussels Bruxelles-National Airport takes 8h 00m
Direct flights go from Chicago to Brussels Bruxelles-National Airport every day.
Search flight deals

  • How far is Chicago to Brussels Bruxelles-National by plane?

    There are 4139.4 mi between Chicago and Brussels Bruxelles-National. 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 to Brussels Bruxelles-National Airport?

    Prices for flights from Chicago to Brussels Bruxelles-National Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Brussels Bruxelles-National Airport.

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

    The travel and health documents you'll need for your trip to Brussels Bruxelles-National 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 Brussels Bruxelles-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Chicago to Brussels Bruxelles-National Airport

Compare and see reviews for airlines that fly from Chicago to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $298Free CancellationRating
7.3
1,679 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $418Free CancellationRating
7.1
611 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $444Free CancellationRating
7.1
2,139 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
4,211 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $531Free CancellationRating
7.2
1,449 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $551Free CancellationRating
6.7
7,731 reviews
Search British Airways flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
9,276 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $752Free CancellationRating
7.2
384 reviews
Search Brussels Airlines flights

  • United Airlines Flights From Chicago to Brussels Bruxelles-National Airport

    United Airlines flies from Chicago to Brussels Bruxelles-National Airport around 7 times per week, with 9,276 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Chicago to Brussels Bruxelles-National Airport in the last 72 hours was $589 (round-trip), much lower than the average airfare cost of $1,034 for United Airlines flights on this route.

  • Brussels Airlines Flights From Chicago to Brussels Bruxelles-National Airport

    Brussels Airlines is also a popular choice for this route. Brussels Airlines flight deals for Chicago to Brussels Bruxelles-National Airport start from as low as $752 round-trip, depending on your selected dates, with average Brussels Airlines deals seen on momondo around $1,745. Brussels Airlines operates 7 flights to Brussels Bruxelles-National Airport from Chicago in an average week. Users have rated it 7.2/10 across 384 reviews.

Traveling to a place near Brussels?

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

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?

Flights from Chicago to Brussels with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Chicago to Brussels flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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