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

As of September 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.

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

TAP AIR PORTUGAL and Scandinavian Airlines are the most popular carriers operating from Chicago to Belgium

What airlines fly to Belgium?

Scandinavian Airlines, United Airlines and Aer Lingus are the top three most popular airlines that fly to Belgium from Chicago according to our data. Scandinavian Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Belgium. Keep in mind that there are 9 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 day?

As of September 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 9 as of September 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.

$241 Cheap Flights from Chicago to Belgium in 2025/26

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Find the cheapest flights from Chicago to Belgium

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

10:30 am - 2:30 pmORD-BRU

21h 00m2 stops

8:30 pm - 4:45 pmBRU-ORD

27h 15m1 stop

$412Scandinavian Airlines

Find Deal

Tue, Nov 18 - Sun, Nov 23

10:30 am - 2:30 pmORD-BRU

21h 00m2 stops

7:45 pm - 4:45 pmBRU-ORD

28h 00m2 stops

$423Scandinavian Airlines

Find Deal

Tue, Nov 18 - Sun, Nov 23

10:40 am - 9:40 amORD-BRU

16h 00m2 stops

10:20 am - 4:45 pmBRU-ORD

13h 25m1 stop

$428Scandinavian Airlines

Find Deal

Wed, Jan 28 - Fri, Feb 6

7:20 pm - 7:50 pmORD-BRU

17h 30m1 stop

10:20 am - 4:45 pmBRU-ORD

13h 25m1 stop

$439Scandinavian Airlines

Find Deal

Sun, Nov 9 - Fri, Nov 21

10:35 am - 2:30 pmORD-BRU

20h 55m2 stops

10:20 am - 4:45 pmBRU-ORD

13h 25m1 stop

$440Scandinavian Airlines

Find Deal

Tue, Nov 18 - Thu, Nov 27

8:25 pm - 11:50 pmORD-BRU

20h 25m1 stop

5:55 pm - 3:00 pmBRU-ORD

28h 05m1 stop

$476TAP AIR PORTUGAL

Find Deal

Sun, Dec 14 - Tue, Dec 23

7:25 pm - 10:05 pmORD-CRL

19h 40m2 stops

11:05 am - 9:15 pmCRL-ORD

17h 10m2 stops

$517Multiple Airlines

Find Deal

Tue, Oct 7 - Wed, Oct 15

7:25 pm - 10:05 pmORD-CRL

19h 40m2 stops

11:05 am - 9:15 pmCRL-ORD

17h 10m2 stops

$535Multiple Airlines

Find Deal

Tue, Oct 7 - Wed, Oct 15

9:32 am - 9:00 amMDW-BRU

16h 28m2 stops

11:00 am - 11:32 pmBRU-MDW

19h 32m2 stops

$771Delta

Find Deal

Sun, Nov 9 - Tue, Nov 18

10:47 am - 9:00 amMDW-BRU

15h 13m2 stops

6:15 am - 4:38 pmBRU-MDW

17h 23m2 stops

$816Delta

Find Deal

Sun, Nov 9 - Fri, Nov 21

Scandinavian Airlines flights from Chicago to Belgium

Our best Scandinavian Airlines deals on Chicago to Belgium flight tickets

Scandinavian Airlines

Nov 18

ORD10:30 amChicago O'Hare Intl

21h 00m

2 stops

BRU2:30 pmBrussels Bruxelles-National

Nov 23

BRU8:30 pmBrussels Bruxelles-National

27h 15m

1 stop

ORD4:45 pmChicago O'Hare Intl

$412

Find similar

Scandinavian Airlines

Nov 18

ORD10:30 amChicago O'Hare Intl

21h 00m

2 stops

BRU2:30 pmBrussels Bruxelles-National

Nov 23

BRU7:45 pmBrussels Bruxelles-National

28h 00m

2 stops

ORD4:45 pmChicago O'Hare Intl

$423

Find similar

Scandinavian Airlines

Jan 28

ORD10:40 amChicago O'Hare Intl

16h 00m

2 stops

BRU9:40 amBrussels Bruxelles-National

Feb 6

BRU10:20 amBrussels Bruxelles-National

13h 25m

1 stop

ORD4:45 pmChicago O'Hare Intl

$428

Find similar

TAP AIR PORTUGAL flights from Chicago to Belgium

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

TAP AIR PORTUGAL

Dec 14

ORD8:25 pmChicago O'Hare Intl

20h 25m

1 stop

BRU11:50 pmBrussels Bruxelles-National

Dec 23

BRU5:55 pmBrussels Bruxelles-National

28h 05m

1 stop

ORD3:00 pmChicago O'Hare Intl

$476

Find similar

TAP AIR PORTUGAL

Sep 22

ORD6:10 pmChicago O'Hare Intl

13h 55m

1 stop

BRU3:05 pmBrussels Bruxelles-National

Sep 24

BRU8:55 pmBrussels Bruxelles-National

22h 40m

1 stop

ORD12:35 pmChicago O'Hare Intl

$881

Find similar

TAP AIR PORTUGAL

Sep 27

ORD6:15 pmChicago O'Hare Intl

33h 45m

1 stop

BRU11:00 amBrussels Bruxelles-National

Oct 3

BRU5:55 amBrussels Bruxelles-National

17h 35m

1 stop

ORD4:30 pmChicago O'Hare Intl

$957

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 11/18

10:30 am-2:30 pm

2 stops21h 00m

Brussels Bruxelles-National

Sun 11/23

8:30 pm-4:45 pm

1 stop27h 15m

$412

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 11/18

10:30 am-2:30 pm

2 stops21h 00m

Brussels Bruxelles-National

Sun 11/23

7:45 pm-4:45 pm

2 stops28h 00m

$423

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 1/28

10:40 am-9:40 am

2 stops16h 00m

Brussels Bruxelles-National

Fri 2/6

10:20 am-4:45 pm

1 stop13h 25m

$428

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 11/9

7:20 pm-7:50 pm

1 stop17h 30m

Brussels Bruxelles-National

Fri 11/21

10:20 am-4:45 pm

1 stop13h 25m

$439

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 11/18

10:35 am-2:30 pm

2 stops20h 55m

Brussels Bruxelles-National

Thu 11/27

10:20 am-4:45 pm

1 stop13h 25m

$440

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 12/14

8:25 pm-11:50 pm

1 stop20h 25m

Brussels Bruxelles-National

Tue 12/23

5:55 pm-3:00 pm

1 stop28h 05m

$476

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Tue 10/7

7:25 pm-10:05 pm

2 stops19h 40m

Charleroi Brussels

Wed 10/15

11:05 am-9:15 pm

2 stops17h 10m

$517

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Tue 10/7

7:25 pm-10:05 pm

2 stops19h 40m

Charleroi Brussels

Wed 10/15

11:05 am-9:15 pm

2 stops17h 10m

$535

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 11/9

9:32 am-9:00 am

2 stops16h 28m

Brussels Bruxelles-National

Tue 11/18

11:00 am-11:32 pm

2 stops19h 32m

$771

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 11/9

10:47 am-9:00 am

2 stops15h 13m

Brussels Bruxelles-National

Fri 11/21

6:15 am-4:38 pm

2 stops17h 23m

$816

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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, September 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 $578. If you are unable to visit Belgium during the month of September, then departing from Chicago during the month April is also very affordable. Most momondo users find prices during this month for around $581.

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

Our data shows that Wednesday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $1,098. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,378. 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 $1,186. 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 $780 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 $614 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	$612
Fastest flight time	8h 00m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in Belgium	1 airport

The best one-way flight to Belgium from Chicago in the past 72 hours is $612. The best round-trip flight deal from Chicago to Belgium found on momondo in the last 72 hours is $863.

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

Direct flights go from Chicago to Belgium on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport near Belgium: 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 9 as of September 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 43.66% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 36.62%, Boeing 787-8 Dreamliner at 3.99%, and Airbus A330 at 2.82%.

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 $312	Free Cancellation	Rating 7.4 1,486 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $405	Free Cancellation	Rating 7.0 545 reviews	Search Icelandair flights
Turkish Airlines	PriceFrom $492	Free Cancellation	Rating 7.3 3,965 reviews	Search Turkish Airlines flights
KLM	PriceFrom $506	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
Aer Lingus	PriceFrom $536	Free Cancellation	Rating 7.2 1,277 reviews	Search Aer Lingus flights
British Airways	PriceFrom $551	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights
United Airlines	PriceFrom $590	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Lufthansa	PriceFrom $728	Free Cancellation	Rating 6.8 7,409 reviews	Search Lufthansa flights
TAP AIR PORTUGAL	PriceFrom $744	Free Cancellation	Rating 7.1 1,977 reviews	Search TAP AIR PORTUGAL 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

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Find better results for your trip to Belgium

Popular cities in Belgium

Flights to Brusselsfrom $349

Flights to Ostend

Cheap flights from Chicago to Belgium from $241

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 10/26. 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

Trusted and free

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Find the cheapest flights from Chicago to Belgium

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Scandinavian Airlines flights from Chicago to Belgium

Our best Scandinavian Airlines deals on Chicago to Belgium flight tickets

TAP AIR PORTUGAL flights from Chicago to Belgium

Our best TAP AIR PORTUGAL 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.

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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

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 is the cheapest airline that flies from Chicago to Belgium?

TAP AIR PORTUGAL and Scandinavian Airlines are the most popular carriers operating from Chicago to Belgium

What airlines fly to Belgium?

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

As of September 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 September 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