How many flights depart from Chicago to Brussels on average per day?

As of January 2026, there are 5 flights per day flying from Chicago to Brussels. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

How many flights depart from Chicago to Brussels on average per week?

As of January 2026, 35 flights take off from Chicago and land in Brussels each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

What airlines fly to Brussels?

Scandinavian Airlines, United Airlines and Icelandair are the top three most popular airlines that fly to Brussels from Chicago according to our data. Scandinavian Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 8 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Chicago to Brussels is 8 as of January 2026.

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.

$247 Cheap Flights from Chicago to Brussels in 2026

Q: What is the typical price of a round-trip flight between Chicago and Brussels?

Prices are currently low for flights on this route. Typical prices usually range from $486 to $714. The lowest price recently found on this route was $391.

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Find the cheapest flights from Chicago to Brussels

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 pm - 12:55 pm

ORD

BRU

10h 30m

1 stop

1:50 pm - 6:15 pm

BRU

ORD

11h 25m

1 stop

$391Icelandair

Sun, Apr 12 - Mon, Apr 20

7:25 pm - 12:55 pm

ORD

BRU

10h 30m

1 stop

1:50 pm - 9:25 pm

BRU

ORD

14h 35m

1 stop

$396Icelandair

Sun, Apr 12 - Fri, Apr 17

7:20 pm - 10:50 am

ORD

BRU

32h 30m

2 stops

10:20 am - 4:45 pm

BRU

ORD

13h 25m

1 stop

$457Scandinavian Airlines

Mon, Mar 2 - Sat, Mar 7

7:15 pm - 2:35 pm

ORD

BRU

12h 20m

1 stop

3:15 pm - 4:10 pm

BRU

ORD

31h 55m

1 stop

$460Scandinavian Airlines

Fri, Apr 17 - Tue, Apr 28

9:00 pm - 6:15 pm

ORD

CRL

14h 15m

1 stop

9:20 am - 7:15 pm

CRL

ORD

16h 55m

1 stop

$543Multiple Airlines

Sun, Mar 29 - Wed, Apr 8

10:50 pm - 10:25 pm

ORD

CRL

17h 35m

2 stops

1:35 pm - 5:20 pm

CRL

ORD

33h 45m

2 stops

$557Multiple Airlines

Sun, Mar 15 - Tue, Mar 24

10:45 am - 8:00 am

MDW

BRU

15h 15m

1 stop

10:00 am - 10:31 pm

BRU

MDW

18h 31m

1 stop

$757KLM

Sun, Mar 15 - Tue, Mar 24

10:45 am - 8:00 am

MDW

BRU

15h 15m

1 stop

10:00 am - 10:31 pm

BRU

MDW

18h 31m

1 stop

$761KLM

Sun, Mar 15 - Tue, Mar 24

9:35 am - 8:00 am

MDW

BRU

16h 25m

2 stops

10:00 am - 10:31 pm

BRU

MDW

18h 31m

1 stop

$772Delta

Sun, Mar 15 - Tue, Mar 24

9:35 am - 7:40 am

MDW

BRU

15h 05m

2 stops

9:45 am - 4:36 pm

BRU

MDW

13h 51m

1 stop

$821Delta

Sun, Apr 12 - Mon, Apr 20

Aer Lingus flights from Chicago to Brussels

Our best Aer Lingus deals on Chicago to Brussels flight tickets

Aer Lingus

Mar 9

ORD4:50 pmChicago O'Hare Intl

19h 25m

1 stop

BRU6:15 pmBrussels Bruxelles-National

Mar 17

BRU10:15 amBrussels Bruxelles-National

14h 40m

1 stop

ORD6:55 pmChicago O'Hare Intl

$497

Aer Lingus

Feb 17

ORD9:00 pmChicago O'Hare Intl

14h 15m

1 stop

BRU6:15 pmBrussels Bruxelles-National

Feb 24

BRU10:15 amBrussels Bruxelles-National

16h 00m

1 stop

ORD7:15 pmChicago O'Hare Intl

$511

Aer Lingus

Apr 14

ORD3:45 pmChicago O'Hare Intl

10h 55m

1 stop

BRU9:40 amBrussels Bruxelles-National

Apr 21

BRU10:20 amBrussels Bruxelles-National

15h 55m

1 stop

ORD7:15 pmChicago O'Hare Intl

$521

TAP AIR PORTUGAL flights from Chicago to Brussels

Our best TAP AIR PORTUGAL deals on Chicago to Brussels flight tickets

TAP AIR PORTUGAL

Jan 28

ORD7:10 pmChicago O'Hare Intl

32h 50m

1 stop

BRU11:00 amBrussels Bruxelles-National

Feb 6

BRU6:00 amBrussels Bruxelles-National

16h 25m

1 stop

ORD3:25 pmChicago O'Hare Intl

$475

TAP AIR PORTUGAL

Jan 25

ORD8:25 pmChicago O'Hare Intl

20h 25m

1 stop

BRU11:50 pmBrussels Bruxelles-National

Feb 1

BRU6:00 amBrussels Bruxelles-National

15h 45m

1 stop

ORD2:45 pmChicago O'Hare Intl

$498

TAP AIR PORTUGAL

Apr 12

ORD6:00 pmChicago O'Hare Intl

14h 05m

1 stop

BRU3:05 pmBrussels Bruxelles-National

Apr 18

BRU8:55 pmBrussels Bruxelles-National

26h 05m

1 stop

ORD4:00 pmChicago O'Hare Intl

$515

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 4/12

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Mon 4/20

1:50 pm-6:15 pm

1 stop11h 25m

$391

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 4/12

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Fri 4/17

1:50 pm-9:25 pm

1 stop14h 35m

$396

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 3/2

7:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

Sat 3/7

10:20 am-4:45 pm

1 stop13h 25m

$457

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 4/17

7:15 pm-2:35 pm

1 stop12h 20m

Brussels Bruxelles-National

Tue 4/28

3:15 pm-4:10 pm

1 stop31h 55m

$460

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/29

9:00 pm-6:15 pm

1 stop14h 15m

Charleroi Brussels

Wed 4/8

9:20 am-7:15 pm

1 stop16h 55m

$543

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/15

10:50 pm-10:25 pm

2 stops17h 35m

Charleroi Brussels

Tue 3/24

1:35 pm-5:20 pm

2 stops33h 45m

$557

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 3/15

10:45 am-8:00 am

1 stop15h 15m

Brussels Bruxelles-National

Tue 3/24

10:00 am-10:31 pm

1 stop18h 31m

$757

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 3/15

10:45 am-8:00 am

1 stop15h 15m

Brussels Bruxelles-National

Tue 3/24

10:00 am-10:31 pm

1 stop18h 31m

$761

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 3/15

9:35 am-8:00 am

2 stops16h 25m

Brussels Bruxelles-National

Tue 3/24

10:00 am-10:31 pm

1 stop18h 31m

$772

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 4/12

9:35 am-7:40 am

2 stops15h 05m

Brussels Bruxelles-National

Mon 4/20

9:45 am-4:36 pm

1 stop13h 51m

$821

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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, September 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 $578. If you are unable to visit Brussels during the month of September, then departing from Chicago during the month October is also very affordable. Most momondo users find prices during this month for around $600.

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 $1,066. 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 $1,364.

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 $756 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 $500 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?
The number of operators available for flights from Chicago to Brussels is 8 as of January 2026.
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 Airlines	PriceFrom $293	Free Cancellation	Rating 7.3 1,660 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $428	Free Cancellation	Rating 7.1 602 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $445	Free Cancellation	Rating 7.1 2,124 reviews	Search TAP AIR PORTUGAL flights
Turkish Airlines	PriceFrom $492	Free Cancellation	Rating 7.3 4,201 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $531	Free Cancellation	Rating 7.2 1,439 reviews	Search Aer Lingus flights
British Airways	PriceFrom $551	Free Cancellation	Rating 6.7 7,689 reviews	Search British Airways flights
United Airlines	PriceFrom $589	Free Cancellation	Rating 7.4 9,190 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $752	Free Cancellation	Rating 7.2 382 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.

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Brussels Bruxelles-National Airport

Charleroi Brussels Airport

Cheap flights from Chicago to Brussels from $247

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 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Chicago to Brussels

Cheap round-trip flights

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Aer Lingus flights from Chicago to Brussels

Our best Aer Lingus deals on Chicago to Brussels flight tickets

TAP AIR PORTUGAL flights from Chicago to Brussels

Our best TAP AIR PORTUGAL deals on Chicago to Brussels flight tickets

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See travel insights to Brussels from

How to get the cheapest flight ticket from Chicago to Brussels

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

What is the cheapest month to fly to Brussels?

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

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?

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.

What airlines fly to Brussels?

How many flights depart from Chicago to Brussels on average per day?

As of January 2026, there are 5 flights per day flying from Chicago to Brussels. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

How many flights depart from Chicago to Brussels on average per week?

As of January 2026, 35 flights take off from Chicago and land in Brussels each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

Direct flights

Airports in Brussels

How far is Chicago to Brussels by plane?

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

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?

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

Best airlines flying from Chicago to Brussels

Compare and see reviews for airlines that fly from Chicago to Brussels with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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