What airlines fly to Brussels?

United Airlines, Scandinavian Airlines and TAP AIR PORTUGAL 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 41% 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 June 2026, there are 4 flights per day flying from Chicago to Brussels. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

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

As of June 2026, 32 flights take off from Chicago and land in Brussels each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

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

British Airways and United Airlines are the most popular carriers 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 June 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.

$309 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 $832 to $1,638. The lowest price recently found on this route was $669.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Brussels

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 pm - 8:35 pm

ORD

CRL

18h 10m

2 stops

8:50 am - 9:25 pm

CRL

ORD

19h 35m

2 stops

$669Multiple Airlines

Mon, Aug 17 - Mon, Aug 31

6:05 pm - 11:55 pm

ORD

BRU

22h 50m

1 stop

5:55 am - 4:00 pm

BRU

ORD

17h 05m

1 stop

$684TAP AIR PORTUGAL

Sat, Sep 26 - Sun, Oct 4

7:25 pm - 12:55 pm

ORD

BRU

10h 30m

1 stop

1:50 pm - 6:15 pm

BRU

ORD

11h 25m

1 stop

$704Icelandair

Mon, Aug 24 - Thu, Sep 3

7:25 pm - 12:55 pm

ORD

BRU

10h 30m

1 stop

1:50 pm - 6:15 pm

BRU

ORD

11h 25m

1 stop

$705Icelandair

Mon, Aug 24 - Thu, Sep 3

11:25 am - 5:50 pm

ORD

BRU

23h 25m

1 stop

11:35 am - 11:00 am

BRU

ORD

29h 25m

1 stop

$709Turkish Airlines

Tue, Sep 22 - Wed, Oct 28

8:10 pm - 10:10 am

ORD

BRU

31h 00m

1 stop

6:30 am - 11:00 am

BRU

ORD

35h 30m

1 stop

$711Turkish Airlines

Tue, Oct 13 - Wed, Nov 4

10:54 am - 7:40 am

MDW

BRU

13h 46m

1 stop

9:45 am - 4:15 pm

BRU

MDW

13h 30m

1 stop

$921Air France

Sun, Aug 16 - Tue, Aug 25

12:46 pm - 7:40 am

MDW

BRU

11h 54m

1 stop

9:45 am - 4:15 pm

BRU

MDW

13h 30m

1 stop

$931Air France

Mon, Aug 24 - Thu, Sep 3

10:54 am - 7:40 am

MDW

BRU

13h 46m

1 stop

9:45 am - 6:33 pm

BRU

MDW

15h 48m

2 stops

$936Delta

Mon, Aug 24 - Thu, Sep 3

5:10 pm - 7:40 am

MDW

BRU

31h 30m

1 stop

9:45 am - 4:15 pm

BRU

MDW

13h 30m

1 stop

$986Delta

Mon, Jul 27 - Tue, Aug 4

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Turkish Airlines flights from Chicago to Brussels

Our best Turkish Airlines deals on Chicago to Brussels flight tickets

Turkish Airlines

Sep 22

ORD11:25 amChicago O'Hare Intl

23h 25m

1 stop

BRU5:50 pmBrussels Bruxelles-National

Oct 28

BRU11:35 amBrussels Bruxelles-National

29h 25m

1 stop

ORD11:00 amChicago O'Hare Intl

$709

Turkish Airlines

Oct 13

ORD8:10 pmChicago O'Hare Intl

31h 00m

1 stop

BRU10:10 amBrussels Bruxelles-National

Nov 4

BRU6:30 amBrussels Bruxelles-National

35h 30m

1 stop

ORD11:00 amChicago O'Hare Intl

$711

Turkish Airlines

Sep 16

ORD8:10 pmChicago O'Hare Intl

31h 00m

1 stop

BRU10:10 amBrussels Bruxelles-National

Sep 22

BRU7:20 amBrussels Bruxelles-National

33h 20m

1 stop

ORD9:40 amChicago O'Hare Intl

$730

KLM flights from Chicago to Brussels

Our best KLM deals on Chicago to Brussels flight tickets

KLM

Aug 9

MDW10:54 amChicago Midway

13h 46m

1 stop

BRU7:40 amBrussels Bruxelles-National

Aug 22

BRU9:45 amBrussels Bruxelles-National

19h 51m

1 stop

MDW10:36 pmChicago Midway

$991

KLM

Aug 4

MDW10:54 amChicago Midway

13h 46m

1 stop

BRU7:40 amBrussels Bruxelles-National

Aug 11

BRU9:45 amBrussels Bruxelles-National

13h 30m

1 stop

MDW4:15 pmChicago Midway

$997

KLM

Jun 30

MDW11:05 amChicago Midway

13h 35m

1 stop

BRU7:40 amBrussels Bruxelles-National

Jul 12

BRU9:45 amBrussels Bruxelles-National

13h 30m

1 stop

MDW4:15 pmChicago Midway

$2,241

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Mon 8/17

7:25 pm-8:35 pm

2 stops18h 10m

Charleroi Brussels

Mon 8/31

8:50 am-9:25 pm

2 stops19h 35m

$669

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 9/26

6:05 pm-11:55 pm

1 stop22h 50m

Brussels Bruxelles-National

Sun 10/4

5:55 am-4:00 pm

1 stop17h 05m

$684

Quickest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 8/24

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Thu 9/3

1:50 pm-6:15 pm

1 stop11h 25m

$704

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 8/24

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Thu 9/3

1:50 pm-6:15 pm

1 stop11h 25m

$705

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 9/22

11:25 am-5:50 pm

1 stop23h 25m

Brussels Bruxelles-National

Wed 10/28

11:35 am-11:00 am

1 stop29h 25m

$709

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 10/13

8:10 pm-10:10 am

1 stop31h 00m

Brussels Bruxelles-National

Wed 11/4

6:30 am-11:00 am

1 stop35h 30m

$711

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 8/16

10:54 am-7:40 am

1 stop13h 46m

Brussels Bruxelles-National

Tue 8/25

9:45 am-4:15 pm

1 stop13h 30m

$921

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Mon 8/24

12:46 pm-7:40 am

1 stop11h 54m

Brussels Bruxelles-National

Thu 9/3

9:45 am-4:15 pm

1 stop13h 30m

$931

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Mon 8/24

10:54 am-7:40 am

1 stop13h 46m

Brussels Bruxelles-National

Thu 9/3

9:45 am-6:33 pm

2 stops15h 48m

$936

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Mon 7/27

5:10 pm-7:40 am

1 stop31h 30m

Brussels Bruxelles-National

Tue 8/4

9:45 am-4:15 pm

1 stop13h 30m

$986

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, May 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 $129. If you are unable to visit Brussels during the month of May, then departing from Chicago during the month January is also very affordable. Most momondo users find prices during this month for around $377.

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 $1,075. 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 $1,396.

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 from Chicago 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 $925 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 $572 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

Frequently asked questions about flying from Chicago to Brussels

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 June 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
Icelandair	PriceFrom $418	Free Cancellation	Rating 7.0 682 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $444	Free Cancellation	Rating 7.2 2,291 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $448	Free Cancellation	Rating 7.4 1,846 reviews	Search Scandinavian Airlines flights
Aer Lingus	PriceFrom $531	Free Cancellation	Rating 7.3 1,613 reviews	Search Aer Lingus flights
Turkish Airlines	PriceFrom $582	Free Cancellation	Rating 7.4 4,408 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $692	Free Cancellation	Rating 7.4 9,874 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $752	Free Cancellation	Rating 7.2 413 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom $969	Free Cancellation	Rating 6.8 8,086 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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Cheap flights from Chicago to Brussels from $309

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 7/27. 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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Turkish Airlines flights from Chicago to Brussels

Our best Turkish Airlines deals on Chicago to Brussels flight tickets

KLM flights from Chicago to Brussels

Our best KLM deals on Chicago to Brussels flight tickets

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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?

How far in advance should I book a flight from Chicago to Brussels?

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

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

What airlines fly to Brussels?

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

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

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

Frequently asked questions about flying from Chicago 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?

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

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