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

Turkish Airlines, Aer Lingus, and TAP AIR PORTUGAL are the most popular carriers operating from Chicago to Brussels

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

As of April 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 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 42% 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 week?

As of April 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.

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 April 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.

$304 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 $824 to $574. The lowest price recently found on this route was $552.

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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.

8:10 pm - 10:10 am

ORD

BRU

31h 00m

1 stop

2:25 pm - 9:40 am

BRU

ORD

26h 15m

1 stop

$552Turkish Airlines

Tue, Apr 21 - Tue, May 5

7:25 pm - 12:55 pm

ORD

BRU

10h 30m

1 stop

1:50 pm - 9:25 pm

BRU

ORD

14h 35m

1 stop

$578Icelandair

Sun, Apr 12 - Fri, Apr 17

11:25 am - 9:55 am

ORD

BRU

15h 30m

1 stop

6:55 pm - 9:40 am

BRU

ORD

21h 45m

1 stop

$579Turkish Airlines

Tue, Sep 1 - Tue, Sep 15

8:10 pm - 9:25 pm

ORD

BRU

18h 15m

1 stop

7:20 am - 9:40 am

BRU

ORD

33h 20m

1 stop

$589Turkish Airlines

Mon, Apr 27 - Mon, May 4

6:00 pm - 3:05 pm

ORD

BRU

14h 05m

1 stop

8:55 pm - 4:00 pm

BRU

ORD

26h 05m

1 stop

$619TAP AIR PORTUGAL

Sun, Apr 26 - Tue, May 5

11:25 am - 7:00 pm

ORD

CRL

24h 35m

2 stops

2:45 pm - 9:40 am

CRL

ORD

25h 55m

2 stops

$642Multiple Airlines

Sun, Apr 26 - Tue, May 5

10:41 am - 7:40 am

MDW

BRU

13h 59m

1 stop

9:45 am - 4:26 pm

BRU

MDW

13h 41m

1 stop

$1,224KLM

Sun, Apr 26 - Tue, May 5

10:41 am - 7:40 am

MDW

BRU

13h 59m

1 stop

9:45 am - 4:26 pm

BRU

MDW

13h 41m

1 stop

$1,225KLM

Sun, Apr 26 - Tue, May 5

12:52 pm - 7:40 am

MDW

BRU

11h 48m

1 stop

9:45 am - 4:12 pm

BRU

MDW

13h 27m

1 stop

$1,226Air France

Sun, May 3 - Tue, May 12

10:41 am - 7:40 am

MDW

BRU

13h 59m

1 stop

9:45 am - 4:12 pm

BRU

MDW

13h 27m

1 stop

$1,228Air France

Sun, May 3 - Tue, May 12

KLM flights from Chicago to Brussels

Our best KLM deals on Chicago to Brussels flight tickets

KLM

Apr 26

MDW10:41 amChicago Midway

13h 59m

1 stop

BRU7:40 amBrussels Bruxelles-National

May 5

BRU9:45 amBrussels Bruxelles-National

13h 41m

1 stop

MDW4:26 pmChicago Midway

$1,224

KLM

Apr 26

MDW10:41 amChicago Midway

13h 59m

1 stop

BRU7:40 amBrussels Bruxelles-National

May 5

BRU9:45 amBrussels Bruxelles-National

13h 41m

1 stop

MDW4:26 pmChicago Midway

$1,225

KLM

May 3

MDW6:00 amChicago Midway

18h 40m

1 stop

BRU7:40 amBrussels Bruxelles-National

May 12

BRU9:45 amBrussels Bruxelles-National

13h 27m

1 stop

MDW4:12 pmChicago Midway

$1,311

Turkish Airlines flights from Chicago to Brussels

Our best Turkish Airlines deals on Chicago to Brussels flight tickets

Turkish Airlines

Apr 21

ORD8:10 pmChicago O'Hare Intl

31h 00m

1 stop

BRU10:10 amBrussels Bruxelles-National

May 5

BRU2:25 pmBrussels Bruxelles-National

26h 15m

1 stop

ORD9:40 amChicago O'Hare Intl

$552

Turkish Airlines

Apr 27

ORD8:10 pmChicago O'Hare Intl

18h 15m

1 stop

BRU9:25 pmBrussels Bruxelles-National

May 4

BRU7:20 amBrussels Bruxelles-National

33h 20m

1 stop

ORD9:40 amChicago O'Hare Intl

$589

Turkish Airlines

Apr 15

ORD8:10 pmChicago O'Hare Intl

18h 15m

1 stop

BRU9:25 pmBrussels Bruxelles-National

Apr 21

BRU6:50 pmBrussels Bruxelles-National

21h 50m

1 stop

ORD9:40 amChicago O'Hare Intl

$598

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 4/21

8:10 pm-10:10 am

1 stop31h 00m

Brussels Bruxelles-National

Tue 5/5

2:25 pm-9:40 am

1 stop26h 15m

$552

Quickest round-trip

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

$578

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 9/1

11:25 am-9:55 am

1 stop15h 30m

Brussels Bruxelles-National

Tue 9/15

6:55 pm-9:40 am

1 stop21h 45m

$579

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 4/27

8:10 pm-9:25 pm

1 stop18h 15m

Brussels Bruxelles-National

Mon 5/4

7:20 am-9:40 am

1 stop33h 20m

$589

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 4/26

6:00 pm-3:05 pm

1 stop14h 05m

Brussels Bruxelles-National

Tue 5/5

8:55 pm-4:00 pm

1 stop26h 05m

$619

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/26

11:25 am-7:00 pm

2 stops24h 35m

Charleroi Brussels

Tue 5/5

2:45 pm-9:40 am

2 stops25h 55m

$642

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 4/26

10:41 am-7:40 am

1 stop13h 59m

Brussels Bruxelles-National

Tue 5/5

9:45 am-4:26 pm

1 stop13h 41m

$1,224

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 4/26

10:41 am-7:40 am

1 stop13h 59m

Brussels Bruxelles-National

Tue 5/5

9:45 am-4:26 pm

1 stop13h 41m

$1,225

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 5/3

12:52 pm-7:40 am

1 stop11h 48m

Brussels Bruxelles-National

Tue 5/12

9:45 am-4:12 pm

1 stop13h 27m

$1,226

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 5/3

10:41 am-7:40 am

1 stop13h 59m

Brussels Bruxelles-National

Tue 5/12

9:45 am-4:12 pm

1 stop13h 27m

$1,228

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, February 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 $512. If you are unable to visit Brussels during the month of February, then departing from Chicago during the month January is also very affordable. Most momondo users find prices during this month for around $556.

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 $1,054. 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 $1,385.

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 $730 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 $475 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 April 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 1,737 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $418	Free Cancellation	Rating 7.0 630 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $444	Free Cancellation	Rating 7.1 2,188 reviews	Search TAP AIR PORTUGAL flights
Aer Lingus	PriceFrom $481	Free Cancellation	Rating 7.2 1,496 reviews	Search Aer Lingus flights
Turkish Airlines	PriceFrom $582	Free Cancellation	Rating 7.3 4,294 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $589	Free Cancellation	Rating 7.4 9,539 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $752	Free Cancellation	Rating 7.2 397 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom $969	Free Cancellation	Rating 6.8 7,885 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.

An easier way to manage your Brussels trip

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Cheap flights from Chicago to Brussels from $304

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 4/20. 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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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 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

Fly your favorite airline to Brussels

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Popular flights according to clicks in the last 7 days on momondo

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