What airlines fly to Belgium?

United Airlines, Scandinavian Airlines and Icelandair are the top three most popular airlines that fly to Belgium 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 Belgium. Keep in mind that there are 7 different airlines that fly to Belgium on a routine basis, so you have a few additional options to choose from.

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

As of December 2025, 35 flights take off from Chicago and land in Belgium each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

As of December 2025, there are 5 flights per day flying from Chicago to Belgium. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

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

Prices for flights from Chicago to Belgium were last updated today.

How many operators does momondo search for flights from Chicago to Belgium?

The number of operators available for flights from Chicago to Belgium is 7 as of December 2025.

How old do you have to be to fly from Chicago to Belgium?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Belgium.

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

The travel and health documents required for your trip to Belgium can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belgium. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$260 Cheap Flights from Chicago to Belgium in 2025/26

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Find the cheapest flights from Chicago to Belgium

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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 - 10:50 am

ORD

BRU

32h 30m2 stops

10:20 am - 4:45 pm

BRU

ORD

13h 25m1 stop

$452Scandinavian Airlines

Wed, Jan 21 - Mon, Feb 9

7:10 pm - 11:55 am

ORD

BRU

33h 45m2 stops

8:30 pm - 4:45 pm

BRU

ORD

27h 15m1 stop

$455Scandinavian Airlines

Fri, Jan 30 - Fri, Feb 6

7:10 pm - 10:50 am

ORD

BRU

32h 40m2 stops

8:30 pm - 4:45 pm

BRU

ORD

27h 15m1 stop

$456Scandinavian Airlines

Sun, Feb 1 - Sun, Feb 8

8:15 pm - 5:05 pm

ORD

BRU

13h 50m1 stop

6:00 am - 3:25 pm

BRU

ORD

16h 25m1 stop

$459TAP AIR PORTUGAL

Fri, Jan 30 - Fri, Feb 6

3:35 pm - 6:35 pm

ORD

CRL

20h 00m2 stops

7:25 am - 8:10 pm

CRL

ORD

19h 45m2 stops

$611Multiple Airlines

Thu, Jan 15 - Thu, Jan 22

6:30 pm - 11:10 am

ORD

CRL

33h 40m2 stops

5:15 pm - 2:55 pm

CRL

ORD

28h 40m1 stop

$702Multiple Airlines

Mon, Jan 19 - Sat, Feb 7

12:47 pm - 8:00 am

MDW

BRU

13h 13m1 stop

9:45 am - 4:53 pm

BRU

MDW

14h 08m1 stop

$767Delta

Sun, Mar 15 - Tue, Mar 31

9:32 am - 8:00 am

MDW

BRU

16h 28m2 stops

9:45 am - 4:53 pm

BRU

MDW

14h 08m1 stop

$771Delta

Wed, Mar 18 - Tue, Mar 31

9:33 am - 7:35 am

MDW

BRU

15h 02m2 stops

8:05 am - 5:45 pm

BRU

MDW

16h 40m2 stops

$772KLM

Mon, Feb 9 - Wed, Feb 18

5:38 pm - 8:00 am

MDW

BRU

32h 22m1 stop

9:45 am - 4:53 pm

BRU

MDW

14h 08m1 stop

$774KLM

Tue, Mar 17 - Tue, Mar 31

Icelandair flights from Chicago to Belgium

Our best Icelandair deals on Chicago to Belgium flight tickets

Icelandair

Feb 28

ORD6:30 pmChicago O'Hare Intl

10h 25m

1 stop

BRU11:55 amBrussels Bruxelles-National

Mar 5

BRU12:50 pmBrussels Bruxelles-National

11h 30m

1 stop

ORD5:20 pmChicago O'Hare Intl

$504

Find similar

Icelandair

Dec 29

ORD6:30 pmChicago O'Hare Intl

10h 25m

1 stop

BRU11:55 amBrussels Bruxelles-National

Feb 15

BRU12:50 pmBrussels Bruxelles-National

11h 30m

1 stop

ORD5:20 pmChicago O'Hare Intl

$698

Find similar

Icelandair

Jan 1

ORD6:30 pmChicago O'Hare Intl

10h 25m

1 stop

BRU11:55 amBrussels Bruxelles-National

Jan 16

BRU12:50 pmBrussels Bruxelles-National

11h 30m

1 stop

ORD5:20 pmChicago O'Hare Intl

$707

Find similar

Turkish Airlines flights from Chicago to Belgium

Our best Turkish Airlines deals on Chicago to Belgium flight tickets

Turkish Airlines

Feb 17

ORD8:20 pmChicago O'Hare Intl

34h 55m

1 stop

BRU2:15 pmBrussels Bruxelles-National

Feb 23

BRU7:50 amBrussels Bruxelles-National

17h 35m

1 stop

ORD6:25 pmChicago O'Hare Intl

$577

Find similar

Turkish Airlines

Dec 29

ORD11:50 amChicago O'Hare Intl

15h 45m

1 stop

BRU10:35 amBrussels Bruxelles-National

Jan 6

BRU7:50 amBrussels Bruxelles-National

33h 15m

1 stop

ORD10:05 amChicago O'Hare Intl

$1,276

Find similar

Turkish Airlines

Dec 30

ORD11:50 amChicago O'Hare Intl

19h 25m

1 stop

BRU2:15 pmBrussels Bruxelles-National

Jan 2

BRU7:50 amBrussels Bruxelles-National

17h 35m

1 stop

ORD6:25 pmChicago O'Hare Intl

$1,337

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 1/21

7:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

Mon 2/9

10:20 am-4:45 pm

1 stop13h 25m

$452

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 1/30

7:10 pm-11:55 am

2 stops33h 45m

Brussels Bruxelles-National

Fri 2/6

8:30 pm-4:45 pm

1 stop27h 15m

$455

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 2/1

7:10 pm-10:50 am

2 stops32h 40m

Brussels Bruxelles-National

Sun 2/8

8:30 pm-4:45 pm

1 stop27h 15m

$456

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 1/30

8:15 pm-5:05 pm

1 stop13h 50m

Brussels Bruxelles-National

Fri 2/6

6:00 am-3:25 pm

1 stop16h 25m

$459

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Thu 1/15

3:35 pm-6:35 pm

2 stops20h 00m

Charleroi Brussels

Thu 1/22

7:25 am-8:10 pm

2 stops19h 45m

$611

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Mon 1/19

6:30 pm-11:10 am

2 stops33h 40m

Charleroi Brussels

Sat 2/7

5:15 pm-2:55 pm

1 stop28h 40m

$702

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 3/15

12:47 pm-8:00 am

1 stop13h 13m

Brussels Bruxelles-National

Tue 3/31

9:45 am-4:53 pm

1 stop14h 08m

$767

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Wed 3/18

9:32 am-8:00 am

2 stops16h 28m

Brussels Bruxelles-National

Tue 3/31

9:45 am-4:53 pm

1 stop14h 08m

$771

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Mon 2/9

9:33 am-7:35 am

2 stops15h 02m

Brussels Bruxelles-National

Wed 2/18

8:05 am-5:45 pm

2 stops16h 40m

$772

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Tue 3/17

5:38 pm-8:00 am

1 stop32h 22m

Brussels Bruxelles-National

Tue 3/31

9:45 am-4:53 pm

1 stop14h 08m

$774

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How to get the cheapest flight ticket from Chicago to Belgium

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 cheapest month to fly to Belgium?

In general, January is the cheapest month to fly from Chicago to Belgium. 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 Belgium 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 Belgium?

Our data shows that Tuesday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $1,083. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,308. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is in the evening. Flights from Chicago to Belgium during this time can be as low as $622. Flights to Belgium are more costly in the afternoon, with an average ticket price of $1,189. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago to Belgium flight route?

Fly from Chicago O'Hare Intl to Brussels Bruxelles-National for the best Chicago - Belgium flight prices

How far in advance should I book a flight to Belgium?

You are more likely to see cheaper flights to Belgium from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $763 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Chicago for as low as $486 on momondo.

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

There are 3 cabin classes available to choose from on Chicago to Belgium flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Chicago to Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Belgium

Best Price Found	$635
Fastest flight time	8h 00m
Direct flights	Every day
Airports in Belgium	32 airports

The best one-way flight to Belgium from Chicago in the past 72 hours is $635. The best round-trip flight deal from Chicago to Belgium found on momondo in the last 72 hours is $928.

The fastest flight from Chicago to Belgium takes 8h 00m

Direct flights go from Chicago to Belgium every day.

There are 32 airports in Belgium. From Chicago there are direct flights to Brussels Bruxelles-National (BRU).

Search flight deals

When did momondo last update prices for flights from Chicago to Belgium?
Prices for flights from Chicago to Belgium were last updated today.
How many operators does momondo search for flights from Chicago to Belgium?
The number of operators available for flights from Chicago to Belgium is 7 as of December 2025.
How old do you have to be to fly from Chicago to Belgium?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Belgium.
What documentation or ID do you need to fly to Belgium?
The travel and health documents required for your trip to Belgium can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belgium. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago to Belgium?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Belgium is Boeing 787 Dreamliner, representing 35.71% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 26.34%, Boeing 787-8 Dreamliner at 7.59%, and Airbus A330-300 at 5.80%.

Best airlines flying from Chicago to Belgium

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

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 1,607 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $428	Free Cancellation	Rating 7.0 591 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $445	Free Cancellation	Rating 7.2 2,091 reviews	Search TAP AIR PORTUGAL flights
Turkish Airlines	PriceFrom $492	Free Cancellation	Rating 7.3 4,105 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $536	Free Cancellation	Rating 7.2 1,395 reviews	Search Aer Lingus flights
British Airways	PriceFrom $551	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
United Airlines	PriceFrom $590	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belgium from Chicago.

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

All flight searches from Chicago to Belgium on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Belgium from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Belgium from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Belgium 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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Popular cities in Belgium

Flights to Brusselsfrom $344

Flights to Ostend

Cheap flights from Chicago to Belgium from $260

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 Belgium departing on 1/28. 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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Filter for what you want

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Find the cheapest flights from Chicago to Belgium

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Icelandair flights from Chicago to Belgium

Our best Icelandair deals on Chicago to Belgium flight tickets

Turkish Airlines flights from Chicago to Belgium

Our best Turkish Airlines deals on Chicago to Belgium flight tickets

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Use the filters below to find and compare flights from Chicago to Belgium that are best for you.

See travel insights to Belgium from

How to get the cheapest flight ticket from Chicago to Belgium

What is the cheapest month to fly to Belgium?

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

What is the cheapest time of day to depart on your flight to Belgium?

What is the cheapest Chicago to Belgium flight route?

Fly from Chicago O'Hare Intl to Brussels Bruxelles-National for the best Chicago - Belgium flight prices

How far in advance should I book a flight to Belgium?

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

There are 3 cabin classes available to choose from on Chicago to Belgium 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 Belgium?

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

As of December 2025, there are 5 flights per day flying from Chicago to Belgium. 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 Belgium on average per week?

As of December 2025, 35 flights take off from Chicago and land in Belgium 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 Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Belgium

Best Price Found

Fastest flight time

Direct flights

Airports in Belgium

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

How many operators does momondo search for flights from Chicago to Belgium?

How old do you have to be to fly from Chicago to Belgium?

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

What is the most popular plane model from Chicago to Belgium?

Best airlines flying from Chicago to Belgium

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

Why use momondo?

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

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

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

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

An easier way to manage your Belgium 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

Popular cities in Belgium

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