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

Finnair, British Airways, and Aer Lingus are the most popular carriers operating from Belgium to Illinois

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

As of May 2026, there are 40 flights per week flying from Belgium to Illinois. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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

5 flights are operational daily from Belgium to Illinois as of May 2026. 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 2 operators available for flights from Belgium to Illinois as of May 2026.

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.

$382 Cheap Flights from Belgium to Illinois in 2026

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Find the cheapest flights from Belgium to Illinois

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Belgium to Illinois

Enter your travel dates to find the best prices.

6:55 pm - 1:10 pm

BRU

ORD

25h 15m

1 stop

3:00 pm - 6:00 pm

ORD

BRU

20h 00m

1 stop

$641ITA Airways

Fri, Aug 21 - Tue, Aug 25

6:55 pm - 1:10 pm

BRU

ORD

25h 15m

1 stop

3:00 pm - 6:00 pm

ORD

BRU

20h 00m

1 stop

$644ITA Airways

Wed, Aug 19 - Wed, Aug 26

9:00 pm - 4:00 pm

BRU

ORD

26h 00m

1 stop

8:10 pm - 11:50 pm

ORD

BRU

20h 40m

1 stop

$647TAP AIR PORTUGAL

Thu, Oct 22 - Sun, Nov 1

1:50 pm - 6:15 pm

BRU

ORD

11h 25m

1 stop

7:25 pm - 12:55 pm

ORD

BRU

10h 30m

1 stop

$653Icelandair

Mon, Jun 8 - Sun, Jun 28

1:50 pm - 9:25 pm

BRU

ORD

14h 35m

1 stop

7:25 pm - 12:55 pm

ORD

BRU

10h 30m

1 stop

$654Icelandair

Wed, Jun 24 - Wed, Jul 8

6:00 am - 3:30 pm

BRU

ORD

16h 30m

1 stop

8:10 pm - 5:05 pm

ORD

BRU

13h 55m

1 stop

$658TAP AIR PORTUGAL

Fri, Nov 6 - Fri, Nov 13

9:45 am - 4:12 pm

BRU

MDW

13h 27m

1 stop

12:50 pm - 7:40 am

MDW

BRU

11h 50m

1 stop

$744Delta

Mon, Jun 1 - Mon, Jun 15

9:45 am - 4:16 pm

BRU

MDW

13h 31m

1 stop

12:41 pm - 7:40 am

MDW

BRU

11h 59m

1 stop

$754Delta

Sun, Jun 21 - Sun, Jul 12

9:00 pm - 5:50 pm

CRL

ORD

27h 50m

2 stops

4:55 pm - 4:15 pm

ORD

CRL

17h 20m

1 stop

$756Multiple Airlines

Tue, Sep 15 - Wed, Oct 28

8:50 am - 9:25 pm

CRL

ORD

19h 35m

2 stops

7:25 pm - 8:35 pm

ORD

CRL

18h 10m

2 stops

$757Multiple Airlines

Mon, Jun 1 - Mon, Jun 15

ITA Airways flights from Belgium to Illinois

Our best ITA Airways deals on Belgium to Illinois flight tickets

ITA Airways

Aug 21

BRU6:55 pmBrussels Bruxelles-National

25h 15m

1 stop

ORD1:10 pmChicago O'Hare Intl

Aug 25

ORD3:00 pmChicago O'Hare Intl

20h 00m

1 stop

BRU6:00 pmBrussels Bruxelles-National

$641

ITA Airways

Aug 19

BRU6:55 pmBrussels Bruxelles-National

25h 15m

1 stop

ORD1:10 pmChicago O'Hare Intl

Aug 26

ORD3:00 pmChicago O'Hare Intl

20h 00m

1 stop

BRU6:00 pmBrussels Bruxelles-National

$644

ITA Airways

Jun 2

BRU6:55 pmBrussels Bruxelles-National

25h 15m

1 stop

ORD1:10 pmChicago O'Hare Intl

Jun 23

ORD3:00 pmChicago O'Hare Intl

12h 45m

1 stop

BRU10:45 amBrussels Bruxelles-National

$662

TAP AIR PORTUGAL flights from Belgium to Illinois

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

TAP AIR PORTUGAL

Oct 22

BRU9:00 pmBrussels Bruxelles-National

26h 00m

1 stop

ORD4:00 pmChicago O'Hare Intl

Nov 1

ORD8:10 pmChicago O'Hare Intl

20h 40m

1 stop

BRU11:50 pmBrussels Bruxelles-National

$647

TAP AIR PORTUGAL

Oct 10

BRU8:55 pmBrussels Bruxelles-National

26h 05m

1 stop

ORD4:00 pmChicago O'Hare Intl

Oct 17

ORD6:05 pmChicago O'Hare Intl

22h 50m

1 stop

BRU11:55 pmBrussels Bruxelles-National

$703

TAP AIR PORTUGAL

Oct 10

BRU8:55 pmBrussels Bruxelles-National

26h 05m

1 stop

ORD4:00 pmChicago O'Hare Intl

Oct 17

ORD6:05 pmChicago O'Hare Intl

19h 00m

1 stop

BRU8:05 pmBrussels Bruxelles-National

$707

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 8/21

6:55 pm-1:10 pm

1 stop25h 15m

Chicago O'Hare Intl

Tue 8/25

3:00 pm-6:00 pm

1 stop20h 00m

$641

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 8/19

6:55 pm-1:10 pm

1 stop25h 15m

Chicago O'Hare Intl

Wed 8/26

3:00 pm-6:00 pm

1 stop20h 00m

$644

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 10/22

9:00 pm-4:00 pm

1 stop26h 00m

Chicago O'Hare Intl

Sun 11/1

8:10 pm-11:50 pm

1 stop20h 40m

$647

Quickest round-trip

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 6/8

1:50 pm-6:15 pm

1 stop11h 25m

Chicago O'Hare Intl

Sun 6/28

7:25 pm-12:55 pm

1 stop10h 30m

$653

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 6/24

1:50 pm-9:25 pm

1 stop14h 35m

Chicago O'Hare Intl

Wed 7/8

7:25 pm-12:55 pm

1 stop10h 30m

$654

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 11/6

6:00 am-3:30 pm

1 stop16h 30m

Chicago O'Hare Intl

Fri 11/13

8:10 pm-5:05 pm

1 stop13h 55m

$658

BrusselsChicago

BRU - MDW

BRUMDW

Brussels Bruxelles-National

Mon 6/1

9:45 am-4:12 pm

1 stop13h 27m

Chicago Midway

Mon 6/15

12:50 pm-7:40 am

1 stop11h 50m

$744

BrusselsChicago

BRU - MDW

BRUMDW

Brussels Bruxelles-National

Sun 6/21

9:45 am-4:16 pm

1 stop13h 31m

Chicago Midway

Sun 7/12

12:41 pm-7:40 am

1 stop11h 59m

$754

BrusselsChicago

CRL - ORD

CRLORD

Charleroi Brussels

Tue 9/15

9:00 pm-5:50 pm

2 stops27h 50m

Chicago O'Hare Intl

Wed 10/28

4:55 pm-4:15 pm

1 stop17h 20m

$756

BrusselsChicago

CRL - ORD

CRLORD

Charleroi Brussels

Mon 6/1

8:50 am-9:25 pm

2 stops19h 35m

Chicago O'Hare Intl

Mon 6/15

7:25 pm-8:35 pm

2 stops18h 10m

$757

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 August. Flight prices, which tend to average around $374, 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 August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $409.

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

The cheapest day to depart from Belgium to Illinois is on a Sunday when prices can be found for as low as $708. Flights from Belgium to Illinois on a Saturday will generally be more expensive and average around $958. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 from Belgium 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 $745 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 $558 on momondo.

Can stopping save me money on Belgium to Illinois flights?

You could potentially save up to 20% 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	$818
Fastest flight time	8h 45m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Belgium in the past 72 hours is $818. The best round-trip flight deal from Belgium to Illinois found on momondo in the last 72 hours is $869.

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

Direct flights go from Belgium to Illinois every day.

There are 98 airports in Illinois. From Belgium there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

Frequently asked questions about flying from Belgium to Illinois

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 2 operators available for flights from Belgium to Illinois as of May 2026.
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 787-10 Dreamliner, representing 46.39% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 33.41%, Airbus A330-300 at 4.55%, and Boeing 787-8 Dreamliner at 3.11%.

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
Lufthansa	PriceFrom $521	Free Cancellation	Rating 6.8 8,009 reviews		Search Lufthansa flights
United Airlines	PriceFrom $609	Free Cancellation	Rating 7.4 9,736 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.