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

As of December 2025, there are 42 flights per week flying from Belgium to Illinois. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

British Airways, Lufthansa, and Delta are the most popular carriers operating from Belgium to Illinois

What airlines fly to Illinois?

United Airlines, Lufthansa and Brussels Airlines are the top three most popular airlines that fly to Illinois from Belgium according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

6 flights are operational daily from Belgium to Illinois as of December 2025. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.

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

Prices for flights from Belgium to Illinois refresh daily.

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

There are 3 operators available for flights from Belgium to Illinois as of December 2025.

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

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 Belgium to Illinois.

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

The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$263 Cheap Flights from Belgium to Illinois in 2025/26

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Direct

Recent round-trip flight deals from Belgium to Illinois

Enter your travel dates to find the best prices.

10:20 am - 4:45 pmBRU-ORD

13h 25m1 stop

7:20 pm - 2:30 pmORD-BRU

12h 10m1 stop

$453Scandinavian Airlines

Find Deal

jue., ene. 15 - mié., ene. 28

7:20 pm - 4:45 pmBRU-ORD

28h 25m2 stops

7:20 pm - 2:30 pmORD-BRU

12h 10m1 stop

$463Scandinavian Airlines

Find Deal

jue., ene. 15 - mié., ene. 28

7:00 am - 1:55 pmBRU-STL

13h 55m1 stop

11:22 am - 8:05 amSTL-BRU

13h 43m1 stop

$581Lufthansa

Find Deal

vie., ene. 23 - mar., ene. 27

9:00 am - 7:27 pmBRU-STL

17h 27m2 stops

11:22 am - 10:20 amSTL-BRU

15h 58m2 stops

$583Multiple Airlines

Find Deal

vie., ene. 23 - mar., ene. 27

11:55 am - 7:27 pmBRU-STL

14h 32m1 stop

12:44 pm - 7:15 amSTL-BRU

11h 31m1 stop

$595Lufthansa

Find Deal

sáb., ene. 24 - sáb., ene. 31

9:00 am - 3:29 pmBRU-STL

37h 29m2 stops

4:05 pm - 1:15 pmSTL-BRU

38h 10m2 stops

$598Air Canada

Find Deal

vie., ene. 23 - mar., ene. 27

2:25 pm - 3:29 pmBRU-STL

32h 04m2 stops

4:05 pm - 1:15 pmSTL-BRU

38h 10m2 stops

$601Air Canada

Find Deal

vie., ene. 23 - mar., ene. 27

10:30 am - 5:51 pmBRU-STL

14h 21m2 stops

8:30 am - 7:15 amSTL-BRU

15h 45m1 stop

$602United Airlines

Find Deal

mar., mar. 31 - mar., abr. 14

7:00 am - 9:03 pmBRU-STL

21h 03m2 stops

7:45 am - 9:00 amSTL-BRU

18h 15m1 stop

$603United Airlines

Find Deal

jue., abr. 2 - vie., abr. 17

8:40 am - 10:42 pmCRL-ORD

45h 02m3 stops

6:30 pm - 10:25 pmORD-CRL

20h 55m2 stops

$640Multiple Airlines

Find Deal

jue., ene. 15 - jue., ene. 22

Scandinavian Airlines flights from Belgium to Illinois

Our best Scandinavian Airlines deals on Belgium to Illinois flight tickets

Scandinavian Airlines

Jan 15

BRU10:20 amBrussels Bruxelles-National

13h 25m

1 stop

ORD4:45 pmChicago O'Hare Intl

Jan 28

ORD7:20 pmChicago O'Hare Intl

12h 10m

1 stop

BRU2:30 pmBrussels Bruxelles-National

$453

Find similar

Scandinavian Airlines

Jan 15

BRU7:20 pmBrussels Bruxelles-National

28h 25m

2 stops

ORD4:45 pmChicago O'Hare Intl

Jan 28

ORD7:20 pmChicago O'Hare Intl

12h 10m

1 stop

BRU2:30 pmBrussels Bruxelles-National

$463

Find similar

Scandinavian Airlines

Mar 6

BRU10:20 amBrussels Bruxelles-National

13h 35m

1 stop

ORD4:55 pmChicago O'Hare Intl

Apr 27

ORD7:15 pmChicago O'Hare Intl

12h 20m

1 stop

BRU2:35 pmBrussels Bruxelles-National

$467

Find similar

Lufthansa flights from Belgium to Illinois

Our best Lufthansa deals on Belgium to Illinois flight tickets

Lufthansa

Jan 23

BRU7:00 amBrussels Bruxelles-National

13h 55m

1 stop

STL1:55 pmLambert-St Louis

Jan 27

STL11:22 amLambert-St Louis

13h 43m

1 stop

BRU8:05 amBrussels Bruxelles-National

$581

Find similar

Lufthansa

Jan 15

BRU7:00 amBrussels Bruxelles-National

15h 20m

1 stop

ORD3:20 pmChicago O'Hare Intl

Jan 28

ORD5:55 pmChicago O'Hare Intl

8h 00m

BRU8:55 amBrussels Bruxelles-National

$589

Find similar

Lufthansa

Jan 15

BRU10:10 amBrussels Bruxelles-National

9h 00m

ORD12:10 pmChicago O'Hare Intl

Jan 28

ORD5:55 pmChicago O'Hare Intl

8h 00m

BRU8:55 amBrussels Bruxelles-National

$590

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

jue. 1/15

10:20 am-4:45 pm

1 stop13h 25m

Chicago O'Hare Intl

mié. 1/28

7:20 pm-2:30 pm

1 stop12h 10m

$453

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

jue. 1/15

7:20 pm-4:45 pm

2 stops28h 25m

Chicago O'Hare Intl

mié. 1/28

7:20 pm-2:30 pm

1 stop12h 10m

$463

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

vie. 1/23

7:00 am-1:55 pm

1 stop13h 55m

Lambert-St Louis

mar. 1/27

11:22 am-8:05 am

1 stop13h 43m

$581

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

vie. 1/23

9:00 am-7:27 pm

2 stops17h 27m

Lambert-St Louis

mar. 1/27

11:22 am-10:20 am

2 stops15h 58m

$583

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

sáb. 1/24

11:55 am-7:27 pm

1 stop14h 32m

Lambert-St Louis

sáb. 1/31

12:44 pm-7:15 am

1 stop11h 31m

$595

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

vie. 1/23

9:00 am-3:29 pm

2 stops37h 29m

Lambert-St Louis

mar. 1/27

4:05 pm-1:15 pm

2 stops38h 10m

$598

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

vie. 1/23

2:25 pm-3:29 pm

2 stops32h 04m

Lambert-St Louis

mar. 1/27

4:05 pm-1:15 pm

2 stops38h 10m

$601

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

mar. 3/31

10:30 am-5:51 pm

2 stops14h 21m

Lambert-St Louis

mar. 4/14

8:30 am-7:15 am

1 stop15h 45m

$602

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

jue. 4/2

7:00 am-9:03 pm

2 stops21h 03m

Lambert-St Louis

vie. 4/17

7:45 am-9:00 am

1 stop18h 15m

$603

BrusselsChicago

CRL - ORD

CRLORD

Charleroi Brussels

jue. 1/15

8:40 am-10:42 pm

3 stops45h 02m

Chicago O'Hare Intl

jue. 1/22

6:30 pm-10:25 pm

2 stops20h 55m

$640

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 Belgium to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Belgium is in February. Flight prices, which tend to average around $528, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $546.

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

The cheapest day to depart from Belgium to Illinois is on a Thursday when prices can be found for as low as $735. Flights from Belgium to Illinois on a Saturday will generally be more expensive and average around $839. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Belgium to Illinois during this time can be as low as $583. Flights at noon are often more expensive with an average ticket price of $800.

What is the cheapest Belgium to Illinois flight route?

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

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

You are more likely to see cheaper flights to Illinois from Belgium when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $654 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Belgium for as low as $597 on momondo.

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

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

Can stopping save me money on Belgium to Illinois flights?

You could potentially save up to 33% on your flight if you consider stops on a Belgium to Illinois flight.

Cheap Belgium to Illinois flight deals and tips

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

Best Price Found	$754
Fastest flight time	8h 45m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in Illinois	1 airport

The best one-way flight to Illinois from Belgium in the past 72 hours is $754. The best round-trip flight deal from Belgium to Illinois found on momondo in the last 72 hours is $910.

The fastest flight from Belgium to Illinois takes 8h 45m

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

There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)

Search flight deals

When did momondo last update prices for flights from Belgium to Illinois?
Prices for flights from Belgium to Illinois refresh daily.
How many operators does momondo search for flights from Belgium to Illinois?
There are 3 operators available for flights from Belgium to Illinois as of December 2025.
How old do you have to be to fly from Belgium to Illinois?
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 Belgium to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois 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 Illinois. 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 Belgium to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Belgium to Illinois is Boeing 787 Dreamliner, representing 46.45% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 34.35%, Boeing 777-300ER at 3.71%, and Airbus A330-300 at 2.26%.

Best airlines flying from Belgium to Illinois

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

Airline	Rating	Free Cancellation	Price
Brussels Airlines	PriceFrom $521	Free Cancellation	Rating 7.2 373 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom $521	Free Cancellation	Rating 6.8 7,603 reviews	Search Lufthansa flights
United Airlines	PriceFrom $568	Free Cancellation	Rating 7.4 9,063 reviews	Search United Airlines flights

Why use momondo?

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

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 Illinois from Belgium.

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

Yes. momondo allows you to filter the results for Belgium to Illinois flights to just show those with flexible booking policies.

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

Once all potential Belgium to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

Popular cities in Illinois

Flights to New Yorkfrom $39

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Flights to Orlandofrom $41

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Flights to Las Vegasfrom $40

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Flights to Bostonfrom $56

Flights to Atlantafrom $37

Flights to Dallasfrom $53

Flights to Seattlefrom $59

Belgium flight routes

Flights from Brussels Bruxelles-National to New York John F Kennedy Intl

Flights from Brussels Bruxelles-National to Newark

Flights from Brussels Bruxelles-National to Washington, D.C. Dulles Intl

Flights from Brussels Bruxelles-National to Chicago O'Hare Intl

Flights from Brussels Bruxelles-National to Atlanta Hartsfield-Jackson

Cheap flights from Belgium to Illinois from $263

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belgium to Illinois departing on 2/3. 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

Price Alerts

Price Alerts

Find the cheapest flights from Belgium to Illinois

Recent round-trip flight deals from Belgium to Illinois

Recent one-way flight deals from Belgium to Illinois

Recent direct flight deals from Belgium to Illinois

Scandinavian Airlines flights from Belgium to Illinois

Our best Scandinavian Airlines deals on Belgium to Illinois flight tickets

Lufthansa flights from Belgium to Illinois

Our best Lufthansa deals on Belgium to Illinois flight tickets

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

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How to get the cheapest flight ticket from Belgium to Illinois

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 Illinois?

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

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Belgium to Illinois during this time can be as low as $583. Flights at noon are often more expensive with an average ticket price of $800.

What is the cheapest Belgium to Illinois flight route?

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

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

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

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

Can stopping save me money on Belgium to Illinois flights?

You could potentially save up to 33% on your flight if you consider stops on a Belgium to Illinois flight.

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

British Airways, Lufthansa, and Delta are the most popular carriers operating from Belgium to Illinois

What airlines fly to Illinois?

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

6 flights are operational daily from Belgium to Illinois as of December 2025. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.

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

As of December 2025, there are 42 flights per week flying from Belgium to Illinois. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Cheap Belgium to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

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

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

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

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

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

Best airlines flying from Belgium to Illinois

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

Why use momondo?

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

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

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

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

An easier way to manage your Illinois 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 Illinois

Popular cities in Illinois

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