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?

United Airlines, Scandinavian Airlines and Icelandair are the top three most popular airlines that fly to Brussels from Chicago according to our data. United Airlines is the first choice among our users, with 38% 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.

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.

What is the cheapest airline that flies from Chicago to Brussels?

Aer Lingus is the most popular carrier operating from Chicago to Brussels

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.

$241 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 $494 to $674. The lowest price recently found on this route was $441.

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Find the cheapest flights from Chicago to Brussels

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:20 pm - 2:30 pm

ORD

BRU

12h 10m1 stop

10:20 am - 4:45 pm

BRU

ORD

13h 25m1 stop

$441Scandinavian Airlines

Thu, Feb 5 - Thu, Feb 12

7:20 pm - 6:35 pm

ORD

BRU

16h 15m1 stop

10:20 am - 4:45 pm

BRU

ORD

13h 25m1 stop

$442Scandinavian Airlines

Thu, Feb 26 - Sun, Mar 1

7:20 pm - 2:30 pm

ORD

BRU

12h 10m1 stop

7:20 pm - 4:45 pm

BRU

ORD

28h 25m2 stops

$447Scandinavian Airlines

Thu, Feb 5 - Thu, Feb 12

7:20 pm - 7:50 pm

ORD

BRU

17h 30m1 stop

7:20 pm - 5:45 pm

BRU

ORD

28h 25m2 stops

$450Scandinavian Airlines

Sun, Mar 1 - Tue, Mar 10

7:20 pm - 2:30 pm

ORD

BRU

12h 10m1 stop

8:30 pm - 4:45 pm

BRU

ORD

27h 15m1 stop

$452Scandinavian Airlines

Wed, Feb 4 - Sun, Feb 8

7:20 pm - 6:35 pm

ORD

BRU

16h 15m1 stop

7:20 pm - 5:45 pm

BRU

ORD

28h 25m2 stops

$454Scandinavian Airlines

Wed, Mar 4 - Tue, Mar 10

6:30 pm - 10:20 pm

ORD

CRL

20h 50m2 stops

6:20 am - 6:20 pm

CRL

ORD

18h 00m2 stops

$472Multiple Airlines

Sun, Mar 1 - Tue, Mar 10

6:30 am - 7:40 am

MDW

BRU

18h 10m1 stop

9:45 am - 4:25 pm

BRU

MDW

13h 40m1 stop

$767Delta

Mon, May 4 - Tue, May 12

10:45 am - 8:00 am

MDW

BRU

15h 15m1 stop

9:45 am - 4:55 pm

BRU

MDW

14h 10m1 stop

$768Delta

Mon, Mar 23 - Tue, Mar 31

12:47 pm - 8:00 am

MDW

BRU

13h 13m1 stop

9:45 am - 9:56 am

BRU

MDW

31h 11m1 stop

$773Delta

Mon, Mar 23 - Thu, Apr 2

KLM flights from Chicago to Brussels

Our best KLM deals on Chicago to Brussels flight tickets

KLM

Mar 19

MDW5:40 pmChicago Midway

32h 20m

1 stop

BRU8:00 amBrussels Bruxelles-National

Mar 30

BRU9:45 amBrussels Bruxelles-National

14h 10m

1 stop

MDW4:55 pmChicago Midway

$876

Find similar

KLM

Feb 19

MDW1:26 pmChicago Midway

13h 44m

2 stops

BRU10:10 amBrussels Bruxelles-National

Feb 26

BRU10:45 amBrussels Bruxelles-National

13h 52m

2 stops

MDW5:37 pmChicago Midway

$1,079

Find similar

KLM

Feb 21

MDW1:28 pmChicago Midway

11h 07m

2 stops

BRU7:35 amBrussels Bruxelles-National

Feb 28

BRU8:05 amBrussels Bruxelles-National

15h 09m

2 stops

MDW4:14 pmChicago Midway

$1,130

Find similar

Delta flights from Chicago to Brussels

Our best Delta deals on Chicago to Brussels flight tickets

Delta

May 4

MDW6:30 amChicago Midway

18h 10m

1 stop

BRU7:40 amBrussels Bruxelles-National

May 12

BRU9:45 amBrussels Bruxelles-National

13h 40m

1 stop

MDW4:25 pmChicago Midway

$767

Find similar

Delta

Mar 23

MDW10:45 amChicago Midway

15h 15m

1 stop

BRU8:00 amBrussels Bruxelles-National

Mar 31

BRU9:45 amBrussels Bruxelles-National

14h 10m

1 stop

MDW4:55 pmChicago Midway

$768

Find similar

Delta

Mar 23

MDW12:47 pmChicago Midway

13h 13m

1 stop

BRU8:00 amBrussels Bruxelles-National

Apr 2

BRU9:45 amBrussels Bruxelles-National

31h 11m

1 stop

MDW9:56 amChicago Midway

$773

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 2/5

7:20 pm-2:30 pm

1 stop12h 10m

Brussels Bruxelles-National

Thu 2/12

10:20 am-4:45 pm

1 stop13h 25m

$441

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 2/26

7:20 pm-6:35 pm

1 stop16h 15m

Brussels Bruxelles-National

Sun 3/1

10:20 am-4:45 pm

1 stop13h 25m

$442

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 2/5

7:20 pm-2:30 pm

1 stop12h 10m

Brussels Bruxelles-National

Thu 2/12

7:20 pm-4:45 pm

2 stops28h 25m

$447

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/1

7:20 pm-7:50 pm

1 stop17h 30m

Brussels Bruxelles-National

Tue 3/10

7:20 pm-5:45 pm

2 stops28h 25m

$450

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 2/4

7:20 pm-2:30 pm

1 stop12h 10m

Brussels Bruxelles-National

Sun 2/8

8:30 pm-4:45 pm

1 stop27h 15m

$452

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 3/4

7:20 pm-6:35 pm

1 stop16h 15m

Brussels Bruxelles-National

Tue 3/10

7:20 pm-5:45 pm

2 stops28h 25m

$454

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/1

6:30 pm-10:20 pm

2 stops20h 50m

Charleroi Brussels

Tue 3/10

6:20 am-6:20 pm

2 stops18h 00m

$472

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Mon 5/4

6:30 am-7:40 am

1 stop18h 10m

Brussels Bruxelles-National

Tue 5/12

9:45 am-4:25 pm

1 stop13h 40m

$767

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Mon 3/23

10:45 am-8:00 am

1 stop15h 15m

Brussels Bruxelles-National

Tue 3/31

9:45 am-4:55 pm

1 stop14h 10m

$768

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Mon 3/23

12:47 pm-8:00 am

1 stop13h 13m

Brussels Bruxelles-National

Thu 4/2

9:45 am-9:56 am

1 stop31h 11m

$773

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 $587. 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 $1,081. 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 $1,364.

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 $751 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 $298	Free Cancellation	Rating 7.3 1,635 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $428	Free Cancellation	Rating 7.1 593 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $445	Free Cancellation	Rating 7.1 2,109 reviews	Search TAP AIR PORTUGAL flights
Turkish Airlines	PriceFrom $492	Free Cancellation	Rating 7.3 4,150 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $531	Free Cancellation	Rating 7.2 1,425 reviews	Search Aer Lingus flights
British Airways	PriceFrom $551	Free Cancellation	Rating 6.7 7,657 reviews	Search British Airways flights
United Airlines	PriceFrom $590	Free Cancellation	Rating 7.4 9,138 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $752	Free Cancellation	Rating 7.2 379 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 $239

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 4/27. 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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Big names and deals

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Filter for what you want

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KLM flights from Chicago to Brussels

Our best KLM deals on Chicago to Brussels flight tickets

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Our best Delta 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 is the cheapest airline that flies from Chicago to Brussels?

Aer Lingus is the most popular carrier operating from Chicago to Brussels

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