What airlines fly to Belgium?

Scandinavian Airlines, United Airlines and Icelandair are the top three most popular airlines that fly to Belgium from Illinois according to our data. Scandinavian Airlines is the first choice among our users, with 40% 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 Illinois to Belgium on average per day?

The number of flights available between Illinois and Belgium is 6 per day as of March 2026. The most frequent departure time is 5:00PM, with 100% of daily flights leaving in the afternoon.

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

As of March 2026, 42 flights take off from Illinois 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 Illinois to Belgium?

Aer Lingus, Turkish Airlines, and HiSky are the most popular carriers operating from Illinois to Belgium

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

Prices for flights from Illinois to Belgium are refreshed on a daily basis.

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

As of March 2026, there are 8 operators available to choose from for flights from Illinois to Belgium.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Belgium.

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

The travel and health documents you'll need for your trip to Belgium 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 Belgium. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$273 Cheap Flights from Illinois to Belgium in 2026

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Find the cheapest flights from Illinois to Belgium

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 9:40 am

ORD

BRU

31h 25m

1 stop

5:45 am - 4:10 pm

BRU

ORD

17h 25m

1 stop

$507Scandinavian Airlines

Mon, Apr 27 - Mon, May 4

7:15 pm - 10:40 am

ORD

BRU

32h 25m

2 stops

5:45 am - 4:10 pm

BRU

ORD

17h 25m

1 stop

$512Scandinavian Airlines

Mon, Apr 27 - Mon, May 4

3:45 pm - 9:40 am

ORD

BRU

10h 55m

1 stop

10:20 am - 7:15 pm

BRU

ORD

15h 55m

1 stop

$518Aer Lingus

Wed, Apr 22 - Wed, Apr 29

6:00 pm - 11:00 am

ORD

BRU

34h 00m

1 stop

3:55 pm - 4:00 pm

BRU

ORD

31h 05m

1 stop

$520TAP AIR PORTUGAL

Sun, May 3 - Tue, May 12

11:25 am - 9:25 pm

ORD

BRU

27h 00m

1 stop

7:20 am - 9:40 am

BRU

ORD

33h 20m

1 stop

$546Turkish Airlines

Mon, May 4 - Thu, May 14

8:10 pm - 9:25 pm

ORD

BRU

18h 15m

1 stop

4:15 pm - 9:40 am

BRU

ORD

24h 25m

1 stop

$549Turkish Airlines

Wed, Apr 8 - Wed, Apr 15

7:15 pm - 2:35 pm

ORD

BRU

12h 20m

1 stop

8:30 pm - 4:10 pm

BRU

ORD

26h 40m

1 stop

$552Scandinavian Airlines

Wed, Apr 29 - Sun, May 10

7:15 pm - 8:30 pm

ORD

BRU

18h 15m

2 stops

6:55 pm - 4:10 pm

BRU

ORD

28h 15m

2 stops

$555Scandinavian Airlines

Tue, Sep 1 - Wed, Sep 30

11:25 am - 4:05 pm

ORD

CRL

21h 40m

2 stops

7:05 am - 9:40 am

CRL

ORD

33h 35m

2 stops

$628Multiple Airlines

Wed, Apr 8 - Wed, Apr 15

11:25 am - 5:35 pm

ORD

CRL

23h 10m

2 stops

8:00 am - 9:40 am

CRL

ORD

32h 40m

2 stops

$630Multiple Airlines

Mon, May 4 - Tue, May 12

Aer Lingus flights from Illinois to Belgium

Our best Aer Lingus deals on Illinois to Belgium flight tickets

Aer Lingus

Apr 22

ORD3:45 pmChicago O'Hare Intl

10h 55m

1 stop

BRU9:40 amBrussels Bruxelles-National

Apr 29

BRU10:20 amBrussels Bruxelles-National

15h 55m

1 stop

ORD7:15 pmChicago O'Hare Intl

$518

Aer Lingus

Apr 7

STL12:25 pmLambert-St Louis

14h 15m

2 stops

BRU9:40 amBrussels Bruxelles-National

Apr 13

BRU9:25 pmBrussels Bruxelles-National

31h 52m

2 stops

STL10:17 pmLambert-St Louis

$862

Aer Lingus

Mar 29

STL9:20 amLambert-St Louis

17h 20m

2 stops

BRU9:40 amBrussels Bruxelles-National

Apr 2

BRU10:20 amBrussels Bruxelles-National

20h 24m

2 stops

STL11:44 pmLambert-St Louis

$1,246

KLM flights from Illinois to Belgium

Our best KLM deals on Illinois to Belgium flight tickets

KLM

Apr 28

EVV5:58 pmEvansville Dress Regional

30h 42m

1 stop

BRU7:40 amBrussels Bruxelles-National

May 5

BRU9:45 amBrussels Bruxelles-National

14h 33m

1 stop

EVV5:18 pmEvansville Dress Regional

$704

KLM

Apr 28

EVV5:58 pmEvansville Dress Regional

30h 42m

1 stop

BRU7:40 amBrussels Bruxelles-National

May 5

BRU6:20 amBrussels Bruxelles-National

17h 58m

2 stops

EVV5:18 pmEvansville Dress Regional

$712

KLM

May 4

MDW12:52 pmChicago Midway

11h 48m

1 stop

BRU7:40 amBrussels Bruxelles-National

May 12

BRU9:45 amBrussels Bruxelles-National

13h 27m

1 stop

MDW4:12 pmChicago Midway

$869

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 4/27

7:15 pm-9:40 am

1 stop31h 25m

Brussels Bruxelles-National

Mon 5/4

5:45 am-4:10 pm

1 stop17h 25m

$507

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 4/27

7:15 pm-10:40 am

2 stops32h 25m

Brussels Bruxelles-National

Mon 5/4

5:45 am-4:10 pm

1 stop17h 25m

$512

Quickest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/22

3:45 pm-9:40 am

1 stop10h 55m

Brussels Bruxelles-National

Wed 4/29

10:20 am-7:15 pm

1 stop15h 55m

$518

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 5/3

6:00 pm-11:00 am

1 stop34h 00m

Brussels Bruxelles-National

Tue 5/12

3:55 pm-4:00 pm

1 stop31h 05m

$520

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 5/4

11:25 am-9:25 pm

1 stop27h 00m

Brussels Bruxelles-National

Thu 5/14

7:20 am-9:40 am

1 stop33h 20m

$546

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/8

8:10 pm-9:25 pm

1 stop18h 15m

Brussels Bruxelles-National

Wed 4/15

4:15 pm-9:40 am

1 stop24h 25m

$549

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/29

7:15 pm-2:35 pm

1 stop12h 20m

Brussels Bruxelles-National

Sun 5/10

8:30 pm-4:10 pm

1 stop26h 40m

$552

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 9/1

7:15 pm-8:30 pm

2 stops18h 15m

Brussels Bruxelles-National

Wed 9/30

6:55 pm-4:10 pm

2 stops28h 15m

$555

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Wed 4/8

11:25 am-4:05 pm

2 stops21h 40m

Charleroi Brussels

Wed 4/15

7:05 am-9:40 am

2 stops33h 35m

$628

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Mon 5/4

11:25 am-5:35 pm

2 stops23h 10m

Charleroi Brussels

Tue 5/12

8:00 am-9:40 am

2 stops32h 40m

$630

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 Illinois 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, February is the cheapest month to fly from Illinois to Belgium. 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 Belgium during the month of February, then departing from Illinois 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 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 $1,058. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,304. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

What is the cheapest Illinois to Belgium flight route?

Fly from Chicago O'Hare Intl to Brussels Bruxelles-National for the best Illinois - 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 Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $721 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Illinois for as low as $475 on momondo.

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

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

Cheap Illinois to Belgium flight deals and tips

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

Best Price Found	$797
Fastest flight time	8h 00m
Direct flights	Every day
Airports in Belgium	32 airports

The best one-way flight to Belgium from Illinois in the past 72 hours is $797. The best round-trip flight deal from Illinois to Belgium found on momondo in the last 72 hours is $932.

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

Direct flights go from Illinois to Belgium every day.

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

Search flight deals

When did momondo last update prices for flights from Illinois to Belgium?
Prices for flights from Illinois to Belgium are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Belgium?
As of March 2026, there are 8 operators available to choose from for flights from Illinois to Belgium.
How old do you have to be to fly from Illinois to Belgium?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Belgium.
What documentation or ID do you need to fly to Belgium?
The travel and health documents you'll need for your trip to Belgium 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 Belgium. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Belgium?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Belgium is Boeing 787 Dreamliner, representing 52.41% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 21.53%, Boeing 787-9 Dreamliner at 5.95%, and Boeing 787-8 Dreamliner at 4.53%.

Best airlines flying from Illinois to Belgium

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

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $298	Free Cancellation	Rating 7.3 1,715 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $418	Free Cancellation	Rating 7.1 622 reviews	Search Icelandair flights
Turkish Airlines	PriceFrom $419	Free Cancellation	Rating 7.3 4,256 reviews	Search Turkish Airlines flights
TAP AIR PORTUGAL	PriceFrom $444	Free Cancellation	Rating 7.1 2,166 reviews	Search TAP AIR PORTUGAL flights
Aer Lingus	PriceFrom $531	Free Cancellation	Rating 7.2 1,477 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $589	Free Cancellation	Rating 7.4 9,429 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $752	Free Cancellation	Rating 7.2 391 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom $969	Free Cancellation	Rating 6.8 7,854 reviews	Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois 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 Illinois.

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

momondo does allow users to show only those flights to Belgium from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Illinois to Belgium flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Belgium from Illinois. 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 Belgium trip

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Flights to Brusselsfrom $432

Flights to Ostend

Cheap flights from Illinois to Belgium from $273

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Belgium departing on 4/12. 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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Aer Lingus flights from Illinois to Belgium

Our best Aer Lingus deals on Illinois to Belgium flight tickets

KLM flights from Illinois to Belgium

Our best KLM deals on Illinois to Belgium flight tickets

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See travel insights to Belgium from

How to get the cheapest flight ticket from Illinois 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 Illinois to Belgium flight route?

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

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

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

What airlines fly to Belgium?

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

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

Cheap Illinois to Belgium flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Belgium

Best airlines flying from Illinois to Belgium

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

Why use momondo?

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

Illinois flight routes

According to popular flight searches on momondo this year

Belgium flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Belgium

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Belgium

List of cabin classes available on flights landing in Belgium. Availability may vary depending on flight origin and airline.

Complete your trip to Belgium

Explore popular destinations other users love

According to popular flight searches on momondo this year