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

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

What airlines fly to Belgium?

Scandinavian Airlines, United Airlines and Icelandair 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 37% of people opting to fly with this airline when traveling to Belgium. Keep in mind that there are 8 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 8 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.

$256 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 pm - 2:30 pm

ORD

BRU

12h 20m1 stop

7:20 pm - 4:45 pm

BRU

ORD

28h 25m2 stops

$459Scandinavian Airlines

Sun, Feb 15 - Tue, Feb 24

7:10 pm - 10:50 am

ORD

BRU

32h 40m2 stops

11:30 am - 4:45 pm

BRU

ORD

36h 15m2 stops

$460Scandinavian Airlines

Sun, Feb 15 - Tue, Feb 24

7:10 pm - 10:50 am

ORD

BRU

32h 40m2 stops

7:45 pm - 4:45 pm

BRU

ORD

28h 00m2 stops

$463Scandinavian Airlines

Sun, Feb 8 - Sun, Feb 15

7:20 pm - 11:55 am

ORD

BRU

33h 35m2 stops

10:20 am - 4:55 pm

BRU

ORD

13h 35m1 stop

$466Scandinavian Airlines

Fri, Jan 23 - Fri, Jan 30

7:20 pm - 7:50 pm

ORD

BRU

17h 30m1 stop

10:20 am - 4:55 pm

BRU

ORD

13h 35m1 stop

$468Scandinavian Airlines

Thu, Jan 22 - Thu, Jan 29

6:30 pm - 10:20 pm

ORD

CRL

20h 50m2 stops

6:20 am - 5:20 pm

CRL

ORD

18h 00m2 stops

$551Multiple Airlines

Sun, Feb 15 - Tue, Feb 24

3:35 pm - 6:35 pm

ORD

CRL

20h 00m2 stops

7:25 am - 8:10 pm

CRL

ORD

19h 45m2 stops

$613Multiple Airlines

Thu, Jan 22 - Thu, Jan 29

9:35 am - 7:35 am

MDW

BRU

15h 00m2 stops

9:45 am - 4:36 pm

BRU

MDW

13h 51m1 stop

$775Delta

Tue, Apr 7 - Tue, Apr 21

1:28 pm - 7:35 am

MDW

BRU

11h 07m2 stops

10:45 am - 5:37 pm

BRU

MDW

13h 52m2 stops

$778KLM

Sun, Feb 15 - Tue, Feb 24

4:13 pm - 2:15 pm

MDW

BRU

15h 02m2 stops

8:05 am - 5:37 pm

BRU

MDW

16h 32m2 stops

$787Delta

Sun, Feb 15 - Tue, Feb 24

Scandinavian Airlines flights from Chicago to Belgium

Our best Scandinavian Airlines deals on Chicago to Belgium flight tickets

Scandinavian Airlines

Feb 15

ORD7:10 pmChicago O'Hare Intl

12h 20m

1 stop

BRU2:30 pmBrussels Bruxelles-National

Feb 24

BRU7:20 pmBrussels Bruxelles-National

28h 25m

2 stops

ORD4:45 pmChicago O'Hare Intl

$459

Find similar

Scandinavian Airlines

Feb 15

ORD7:10 pmChicago O'Hare Intl

32h 40m

2 stops

BRU10:50 amBrussels Bruxelles-National

Feb 24

BRU11:30 amBrussels Bruxelles-National

36h 15m

2 stops

ORD4:45 pmChicago O'Hare Intl

$460

Find similar

Scandinavian Airlines

Feb 8

ORD7:10 pmChicago O'Hare Intl

32h 40m

2 stops

BRU10:50 amBrussels Bruxelles-National

Feb 15

BRU7:45 pmBrussels Bruxelles-National

28h 00m

2 stops

ORD4:45 pmChicago O'Hare Intl

$463

Find similar

Delta flights from Chicago to Belgium

Our best Delta deals on Chicago to Belgium flight tickets

Delta

Apr 7

MDW9:35 amChicago Midway

15h 00m

2 stops

BRU7:35 amBrussels Bruxelles-National

Apr 21

BRU9:45 amBrussels Bruxelles-National

13h 51m

1 stop

MDW4:36 pmChicago Midway

$775

Find similar

Delta

Feb 15

MDW4:13 pmChicago Midway

15h 02m

2 stops

BRU2:15 pmBrussels Bruxelles-National

Feb 24

BRU8:05 amBrussels Bruxelles-National

16h 32m

2 stops

MDW5:37 pmChicago Midway

$787

Find similar

Delta

Apr 14

MDW6:30 amChicago Midway

18h 05m

2 stops

BRU7:35 amBrussels Bruxelles-National

May 4

BRU9:45 amBrussels Bruxelles-National

13h 51m

1 stop

MDW4:36 pmChicago Midway

$826

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 2/15

7:10 pm-2:30 pm

1 stop12h 20m

Brussels Bruxelles-National

Tue 2/24

7:20 pm-4:45 pm

2 stops28h 25m

$459

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 2/15

7:10 pm-10:50 am

2 stops32h 40m

Brussels Bruxelles-National

Tue 2/24

11:30 am-4:45 pm

2 stops36h 15m

$460

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 2/8

7:10 pm-10:50 am

2 stops32h 40m

Brussels Bruxelles-National

Sun 2/15

7:45 pm-4:45 pm

2 stops28h 00m

$463

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 1/23

7:20 pm-11:55 am

2 stops33h 35m

Brussels Bruxelles-National

Fri 1/30

10:20 am-4:55 pm

1 stop13h 35m

$466

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 1/22

7:20 pm-7:50 pm

1 stop17h 30m

Brussels Bruxelles-National

Thu 1/29

10:20 am-4:55 pm

1 stop13h 35m

$468

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 2/15

6:30 pm-10:20 pm

2 stops20h 50m

Charleroi Brussels

Tue 2/24

6:20 am-5:20 pm

2 stops18h 00m

$551

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Thu 1/22

3:35 pm-6:35 pm

2 stops20h 00m

Charleroi Brussels

Thu 1/29

7:25 am-8:10 pm

2 stops19h 45m

$613

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Tue 4/7

9:35 am-7:35 am

2 stops15h 00m

Brussels Bruxelles-National

Tue 4/21

9:45 am-4:36 pm

1 stop13h 51m

$775

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 2/15

1:28 pm-7:35 am

2 stops11h 07m

Brussels Bruxelles-National

Tue 2/24

10:45 am-5:37 pm

2 stops13h 52m

$778

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 2/15

4:13 pm-2:15 pm

2 stops15h 02m

Brussels Bruxelles-National

Tue 2/24

8:05 am-5:37 pm

2 stops16h 32m

$787

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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 $1,081. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,305. 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 $1,190. 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 $770 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	$723
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 $723. The best round-trip flight deal from Chicago to Belgium found on momondo in the last 72 hours is $929.

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 8 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 37.80% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 27.24%, Boeing 787-8 Dreamliner at 7.32%, and Airbus A330-300 at 5.28%.

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 1,625 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $428	Free Cancellation	Rating 7.0 592 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $445	Free Cancellation	Rating 7.2 2,098 reviews	Search TAP AIR PORTUGAL flights
Turkish Airlines	PriceFrom $492	Free Cancellation	Rating 7.3 4,113 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $531	Free Cancellation	Rating 7.2 1,412 reviews	Search Aer Lingus flights
British Airways	PriceFrom $551	Free Cancellation	Rating 6.7 7,617 reviews	Search British Airways flights
United Airlines	PriceFrom $590	Free Cancellation	Rating 7.4 9,115 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $986	Free Cancellation	Rating 7.2 375 reviews	Search Brussels 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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Find better results for your trip to Belgium

Popular cities in Belgium

Flights to Brusselsfrom $337

Flights to Ostend

Cheap flights from Chicago to Belgium from $256

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 1/11. 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

Cheap round-trip flights

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Scandinavian Airlines flights from Chicago to Belgium

Our best Scandinavian Airlines deals on Chicago to Belgium flight tickets

Delta flights from Chicago to Belgium

Our best Delta deals on Chicago to Belgium flight tickets

momondo Fare Finder

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 is the cheapest airline that flies from Chicago to Belgium?

Scandinavian Airlines and TAP AIR PORTUGAL 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 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