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Cheap flights from Chicago 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 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:10 pm - 2:30 pm
ORD
-
BRU
12h 20m1 stop
Scandinavian Airlines Logo
7:20 pm - 4:45 pm
BRU
-
ORD
28h 25m2 stops
$459Scandinavian Airlines
So, Feb 15 - Di, Feb 24
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
So, Feb 15 - Di, Feb 24
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
$461Scandinavian Airlines
So, Feb 15 - Di, 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
So, Feb 8 - So, Feb 15
Scandinavian Airlines Logo
7:20 pm - 10:50 am
ORD
-
BRU
32h 30m2 stops
Scandinavian Airlines Logo
11:30 am - 4:45 pm
BRU
-
ORD
36h 15m2 stops
$464Scandinavian Airlines
Sa, Feb 14 - Mi, Feb 18
Multiple Airlines Logo
6:30 pm - 10:20 pm
ORD
-
CRL
20h 50m2 stops
Multiple Airlines Logo
6:20 am - 5:20 pm
CRL
-
ORD
18h 00m2 stops
$551Multiple Airlines
So, Feb 15 - Di, Feb 24
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
Do, Jan 22 - Do, Jan 29
Delta Logo
9:35 am - 7:35 am
MDW
-
BRU
15h 00m2 stops
Delta Logo
9:45 am - 4:36 pm
BRU
-
MDW
13h 51m1 stop
$775Delta
Di, Apr 7 - Di, Apr 21
KLM Logo
1:28 pm - 7:35 am
MDW
-
BRU
11h 07m2 stops
KLM Logo
10:45 am - 5:37 pm
BRU
-
MDW
13h 52m2 stops
$778KLM
So, Feb 15 - Di, Feb 24
Delta Logo
1:29 pm - 10:10 am
MDW
-
BRU
13h 41m2 stops
Delta Logo
8:05 am - 6:40 pm
BRU
-
MDW
17h 35m2 stops
$787Delta
So, Feb 15 - Di, Feb 24

Scandinavian Airlines flights from Chicago to Brussels

Our best Scandinavian Airlines deals on Chicago to Brussels flight tickets
Scandinavian Airlines
Feb 15
ORD7:10 pmChicago O'Hare Intl
12h 20m
1 stop
BRU2:30 pmBrussels Bruxelles-National
Feb 24
BRU7:20 pmBrussels Bruxelles-National
28h 25m
2 stops
ORD4:45 pmChicago O'Hare Intl
$459
Find similar
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

TAP AIR PORTUGAL flights from Chicago to Brussels

Our best TAP AIR PORTUGAL deals on Chicago to Brussels flight tickets
TAP AIR PORTUGAL
Apr 25
ORD6:15 pmChicago O'Hare Intl
13h 50m
1 stop
BRU3:05 pmBrussels Bruxelles-National
May 7
BRU9:05 pmBrussels Bruxelles-National
25h 55m
1 stop
ORD4:00 pmChicago O'Hare Intl
$515
Find similar
TAP AIR PORTUGAL
May 1
ORD6:00 pmChicago O'Hare Intl
34h 00m
1 stop
BRU11:00 amBrussels Bruxelles-National
May 8
BRU8:55 pmBrussels Bruxelles-National
26h 20m
1 stop
ORD4:15 pmChicago O'Hare Intl
$519
Find similar
TAP AIR PORTUGAL
May 13
ORD6:00 pmChicago O'Hare Intl
19h 05m
1 stop
BRU8:05 pmBrussels Bruxelles-National
May 20
BRU5:55 amBrussels Bruxelles-National
17h 05m
1 stop
ORD4:00 pmChicago O'Hare Intl
$532
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 Dezember 27, 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

So 2/15

7:10 pm-2:30 pm

1 stop12h 20m

Brussels Bruxelles-National

Di 2/24

7:20 pm-4:45 pm

2 stops28h 25m

$459

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

So 2/15

7:10 pm-10:50 am

2 stops32h 40m

Brussels Bruxelles-National

Di 2/24

11:30 am-4:45 pm

2 stops36h 15m

$460

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

So 2/15

7:10 pm-10:50 am

2 stops32h 40m

Brussels Bruxelles-National

Di 2/24

11:30 am-4:45 pm

2 stops36h 15m

$461

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

So 2/8

7:10 pm-10:50 am

2 stops32h 40m

Brussels Bruxelles-National

So 2/15

7:45 pm-4:45 pm

2 stops28h 00m

$463

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sa 2/14

7:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

Mi 2/18

11:30 am-4:45 pm

2 stops36h 15m

$464

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

So 2/15

6:30 pm-10:20 pm

2 stops20h 50m

Charleroi Brussels

Di 2/24

6:20 am-5:20 pm

2 stops18h 00m

$551

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Do 1/22

3:35 pm-6:35 pm

2 stops20h 00m

Charleroi Brussels

Do 1/29

7:25 am-8:10 pm

2 stops19h 45m

$613

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Di 4/7

9:35 am-7:35 am

2 stops15h 00m

Brussels Bruxelles-National

Di 4/21

9:45 am-4:36 pm

1 stop13h 51m

$775

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

So 2/15

1:28 pm-7:35 am

2 stops11h 07m

Brussels Bruxelles-National

Di 2/24

10:45 am-5:37 pm

2 stops13h 52m

$778

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

So 2/15

1:29 pm-10:10 am

2 stops13h 41m

Brussels Bruxelles-National

Di 2/24

8:05 am-6:40 pm

2 stops17h 35m

$787

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 typical price of a round-trip flight between Chicago and Brussels?

What is the cheapest month to fly to Brussels?

In general, January 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 $499. If you are unable to visit Brussels during the month of January, then departing from Chicago during the month April is also very affordable. Most momondo users find prices during this month for around $579.

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 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 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 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 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 $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 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

2 airports
The fastest flight from Chicago to Brussels takes 8h 00m
Direct flights go from Chicago to Brussels every day.
There are 2 airports in Brussels. From Chicago there are direct flights to 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 8h 00m.

  • 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
1,629 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $428Free CancellationRating
7.0
592 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $445Free CancellationRating
7.2
2,100 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
4,123 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $531Free CancellationRating
7.2
1,412 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $551Free CancellationRating
6.7
7,617 reviews
Search British Airways flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,117 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?

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