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Cheap flights from Chicago to Brussels from $212

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 2/23. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m1 stop
$386Icelandair
Sat, Jan 24 - Sun, Feb 1
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m1 stop
$387Icelandair
Thu, Jan 22 - Thu, Jan 29
Scandinavian Airlines Logo
7:00 am - 9:40 am
ORD
-
BRU
43h 40m2 stops
Scandinavian Airlines Logo
7:10 pm - 4:10 pm
BRU
-
ORD
28h 00m1 stop
$410Scandinavian Airlines
Sun, Mar 29 - Tue, Apr 7
Scandinavian Airlines Logo
7:00 am - 9:40 am
ORD
-
BRU
43h 40m2 stops
Scandinavian Airlines Logo
6:55 pm - 4:10 pm
BRU
-
ORD
28h 15m2 stops
$412Scandinavian Airlines
Sun, Mar 29 - Tue, Apr 7
Multiple Airlines Logo
3:55 pm - 4:05 pm
ORD
-
CRL
17h 10m2 stops
Multiple Airlines Logo
7:00 am - 7:45 pm
CRL
-
ORD
19h 45m2 stops
$550Multiple Airlines
Wed, Jan 28 - Wed, Feb 4
Multiple Airlines Logo
10:35 am - 4:05 pm
ORD
-
CRL
22h 30m3 stops
Multiple Airlines Logo
7:00 am - 5:48 pm
CRL
-
ORD
17h 48m2 stops
$553Multiple Airlines
Wed, Jan 28 - Wed, Feb 4
KLM Logo
1:09 pm - 7:35 am
MDW
-
BRU
12h 26m2 stops
KLM Logo
10:00 am - 10:29 pm
BRU
-
MDW
18h 29m1 stop
$776KLM
Tue, Mar 10 - Tue, Mar 17
Delta Logo
1:26 pm - 7:35 am
MDW
-
BRU
11h 09m2 stops
Delta Logo
10:45 am - 5:55 pm
BRU
-
MDW
14h 10m2 stops
$777Delta
Sun, Jan 25 - Tue, Feb 3
Delta Logo
1:26 pm - 7:35 am
MDW
-
BRU
11h 09m2 stops
Delta Logo
10:45 am - 5:55 pm
BRU
-
MDW
14h 10m2 stops
$780Delta
Sun, Jan 25 - Tue, Feb 3
KLM Logo
1:26 pm - 7:35 am
MDW
-
BRU
11h 09m2 stops
KLM Logo
10:45 am - 5:55 pm
BRU
-
MDW
14h 10m2 stops
$829KLM
Thu, Jan 22 - Thu, Jan 29

Icelandair flights from Chicago to Brussels

Our best Icelandair deals on Chicago to Brussels flight tickets
Icelandair
Jan 24
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
BRU11:55 amBrussels Bruxelles-National
Feb 1
BRU12:50 pmBrussels Bruxelles-National
11h 30m
1 stop
ORD5:20 pmChicago O'Hare Intl
$386
Find similar
Icelandair
Jan 22
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
BRU11:55 amBrussels Bruxelles-National
Jan 29
BRU12:50 pmBrussels Bruxelles-National
11h 30m
1 stop
ORD5:20 pmChicago O'Hare Intl
$387
Find similar
Icelandair
Jan 28
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
BRU11:55 amBrussels Bruxelles-National
Feb 6
BRU12:50 pmBrussels Bruxelles-National
11h 30m
1 stop
ORD5:20 pmChicago O'Hare Intl
$392
Find similar

Scandinavian Airlines flights from Chicago to Brussels

Our best Scandinavian Airlines deals on Chicago to Brussels flight tickets
Scandinavian Airlines
Mar 29
ORD7:00 amChicago O'Hare Intl
43h 40m
2 stops
BRU9:40 amBrussels Bruxelles-National
Apr 7
BRU7:10 pmBrussels Bruxelles-National
28h 00m
1 stop
ORD4:10 pmChicago O'Hare Intl
$410
Find similar
Scandinavian Airlines
Mar 29
ORD7:00 amChicago O'Hare Intl
43h 40m
2 stops
BRU9:40 amBrussels Bruxelles-National
Apr 7
BRU6:55 pmBrussels Bruxelles-National
28h 15m
2 stops
ORD4:10 pmChicago O'Hare Intl
$412
Find similar
Scandinavian Airlines
Mar 10
ORD7:00 amChicago O'Hare Intl
20h 40m
2 stops
BRU9:40 amBrussels Bruxelles-National
Mar 17
BRU7:20 pmBrussels Bruxelles-National
28h 25m
2 stops
ORD5:45 pmChicago O'Hare Intl
$434
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 4, 2025.
Use the filters below to find and compare flights from Chicago to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 1/24

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Sun 2/1

12:50 pm-5:20 pm

1 stop11h 30m

$386

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 1/22

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Thu 1/29

12:50 pm-5:20 pm

1 stop11h 30m

$387

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/29

7:00 am-9:40 am

2 stops43h 40m

Brussels Bruxelles-National

Tue 4/7

7:10 pm-4:10 pm

1 stop28h 00m

$410

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/29

7:00 am-9:40 am

2 stops43h 40m

Brussels Bruxelles-National

Tue 4/7

6:55 pm-4:10 pm

2 stops28h 15m

$412

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Wed 1/28

3:55 pm-4:05 pm

2 stops17h 10m

Charleroi Brussels

Wed 2/4

7:00 am-7:45 pm

2 stops19h 45m

$550

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Wed 1/28

10:35 am-4:05 pm

3 stops22h 30m

Charleroi Brussels

Wed 2/4

7:00 am-5:48 pm

2 stops17h 48m

$553

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Tue 3/10

1:09 pm-7:35 am

2 stops12h 26m

Brussels Bruxelles-National

Tue 3/17

10:00 am-10:29 pm

1 stop18h 29m

$776

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 1/25

1:26 pm-7:35 am

2 stops11h 09m

Brussels Bruxelles-National

Tue 2/3

10:45 am-5:55 pm

2 stops14h 10m

$777

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 1/25

1:26 pm-7:35 am

2 stops11h 09m

Brussels Bruxelles-National

Tue 2/3

10:45 am-5:55 pm

2 stops14h 10m

$780

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Thu 1/22

1:26 pm-7:35 am

2 stops11h 09m

Brussels Bruxelles-National

Thu 1/29

10:45 am-5:55 pm

2 stops14h 10m

$829

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

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, April is the cheapest month to fly from Chicago to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $573. If you are unable to visit Brussels during the month of April, then departing from Chicago during the month February is also very affordable. Most momondo users find prices during this month for around $592.

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

On average, the least expensive day to fly to Brussels from Chicago is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,110. 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 because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,342.

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 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 $1,207.

What is the cheapest Chicago to Brussels flight route?

Fly from Chicago O'Hare Intl to Brussels Bruxelles-National for the best Chicago - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $765 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Chicago for as low as $486 on momondo.

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

There are 3 cabin classes available to choose from on Chicago 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 to Brussels flight deals and tips

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

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Brussels

1 airport
The fastest flight from Chicago to Brussels takes 8h 00m
Direct flights go from Chicago to Brussels every day.
There is 1 airport near Brussels: Brussels Bruxelles-National (BRU)
Search flight deals

  • How far is Chicago to Brussels by plane?

    The distance between Chicago and Brussels is about 4136.1 mi. By plane, this route typically takes 10h 25m.

  • When did momondo last update prices for flights from Chicago to Brussels?

    Prices for flights from Chicago to Brussels refresh daily.

  • How many operators does momondo search for flights from Chicago to Brussels?

  • How old do you have to be to fly from Chicago to Brussels?

    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.

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

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

Best airlines flying from Chicago to Brussels

Compare and see reviews for airlines that fly from Chicago to Brussels with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $298Free CancellationRating
7.4
1,592 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $428Free CancellationRating
7.0
584 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $445Free CancellationRating
7.1
2,081 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
4,077 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $536Free CancellationRating
7.2
1,384 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $551Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
LufthansaPriceFrom $1,020Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights

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?

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 offers price alerts on flights to Brussels from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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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