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Cheap flights from Belgium to Illinois from $328

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 9/10. 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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0 bags

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Find the cheapest flights from Belgium to Illinois

Recent round-trip flight deals from Belgium to Illinois

Scandinavian Airlines Logo
10:20 am - 4:45 pmBRU-ORD
13h 25m1 stop
Scandinavian Airlines Logo
7:20 pm - 8:55 pmORD-BRU
18h 35m2 stops
$452Scandinavian Airlines
Find Deal
Sun, Nov 23 - Mon, Dec 29
Scandinavian Airlines Logo
8:30 pm - 4:45 pmBRU-ORD
27h 15m1 stop
Scandinavian Airlines Logo
7:20 pm - 10:50 amORD-BRU
32h 30m2 stops
$453Scandinavian Airlines
Find Deal
Sun, Nov 16 - Wed, Dec 3
Brussels Airlines Logo
10:15 am - 12:05 pmBRU-ORD
8h 50mnonstop
Brussels Airlines Logo
6:00 pm - 1:15 pmORD-BRU
12h 15m1 stop
$498Brussels Airlines
Find Deal
Thu, Sep 11 - Thu, Sep 25
United Airlines Logo
8:30 am - 2:55 pmBRU-ORD
13h 25m1 stop
United Airlines Logo
10:40 am - 8:00 amORD-BRU
14h 20m1 stop
$499United Airlines
Find Deal
Mon, Aug 18 - Sun, Aug 31
Brussels Airlines Logo
10:15 am - 12:05 pmBRU-ORD
8h 50mnonstop
Brussels Airlines Logo
6:00 pm - 1:15 pmORD-BRU
12h 15m1 stop
$500Brussels Airlines
Find Deal
Thu, Sep 11 - Thu, Sep 25
Aer Lingus Logo
10:20 am - 7:00 pmBRU-ORD
15h 40m1 stop
Aer Lingus Logo
3:45 pm - 9:40 amORD-BRU
10h 55m1 stop
$503Aer Lingus
Find Deal
Sat, Aug 30 - Sat, Sep 6
Lufthansa Logo
10:15 am - 11:55 amBRU-ORD
8h 40mnonstop
Lufthansa Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$504Lufthansa
Find Deal
Sat, Aug 16 - Sun, Aug 31
United Airlines Logo
12:00 pm - 4:52 pmBRU-ORD
11h 52m1 stop
United Airlines Logo
12:50 pm - 7:15 amORD-BRU
11h 25m1 stop
$508United Airlines
Find Deal
Sat, Aug 16 - Sun, Aug 31
Lufthansa Logo
7:00 am - 12:55 pmBRU-ORD
12h 55m1 stop
Lufthansa Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$509Lufthansa
Find Deal
Thu, Sep 11 - Thu, Sep 25
Aer Lingus Logo
10:15 am - 11:56 pmBRU-STL
20h 41m2 stops
Aer Lingus Logo
10:45 am - 9:35 amSTL-BRU
15h 50m2 stops
$3,414Aer Lingus
Find Deal
Sun, Nov 16 - Mon, Nov 24

British Airways flights from Belgium to Illinois

Our best British Airways deals on Belgium to Illinois flight tickets
British Airways
Sep 18
BRU10:50 amBrussels Bruxelles-National
16h 35m
2 stops
STL8:25 pmLambert-St Louis
Sep 25
STL8:03 pmLambert-St Louis
15h 47m
2 stops
BRU6:50 pmBrussels Bruxelles-National
$508
Find similar
British Airways
Aug 9
BRU10:05 pmBrussels Bruxelles-National
23h 35m
1 stop
ORD2:40 pmChicago O'Hare Intl
Aug 24
ORD8:35 pmChicago O'Hare Intl
14h 25m
1 stop
BRU6:00 pmBrussels Bruxelles-National
$515
Find similar
British Airways
Dec 28
BRU9:35 pmBrussels Bruxelles-National
23h 15m
1 stop
ORD1:50 pmChicago O'Hare Intl
Jan 6
ORD6:35 pmChicago O'Hare Intl
15h 25m
2 stops
BRU5:00 pmBrussels Bruxelles-National
$522
Find similar

Air Canada flights from Belgium to Illinois

Our best Air Canada deals on Belgium to Illinois flight tickets
Air Canada
Sep 9
BRU10:00 amBrussels Bruxelles-National
11h 55m
1 stop
ORD2:55 pmChicago O'Hare Intl
Sep 16
ORD10:50 amChicago O'Hare Intl
14h 15m
2 stops
BRU8:05 amBrussels Bruxelles-National
$468
Find similar
Air Canada
Aug 30
BRU10:00 amBrussels Bruxelles-National
15h 41m
1 stop
ORD6:41 pmChicago O'Hare Intl
Sep 6
ORD2:08 pmChicago O'Hare Intl
10h 57m
1 stop
BRU8:05 amBrussels Bruxelles-National
$472
Find similar
Air Canada
Aug 30
BRU10:00 amBrussels Bruxelles-National
11h 55m
1 stop
ORD2:55 pmChicago O'Hare Intl
Sep 6
ORD12:00 pmChicago O'Hare Intl
13h 05m
2 stops
BRU8:05 amBrussels Bruxelles-National
$474
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Belgium to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 4, 2025.
Use the filters below to find and compare flights from Belgium to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 11/23

10:20 am-4:45 pm

1 stop13h 25m

Chicago O'Hare Intl

Mon 12/29

7:20 pm-8:55 pm

2 stops18h 35m

$452

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 11/16

8:30 pm-4:45 pm

1 stop27h 15m

Chicago O'Hare Intl

Wed 12/3

7:20 pm-10:50 am

2 stops32h 30m

$453

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 9/11

10:15 am-12:05 pm

Nonstop8h 50m

Chicago O'Hare Intl

Thu 9/25

6:00 pm-1:15 pm

1 stop12h 15m

$498

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 8/18

8:30 am-2:55 pm

1 stop13h 25m

Chicago O'Hare Intl

Sun 8/31

10:40 am-8:00 am

1 stop14h 20m

$499

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 9/11

10:15 am-12:05 pm

Nonstop8h 50m

Chicago O'Hare Intl

Thu 9/25

6:00 pm-1:15 pm

1 stop12h 15m

$500

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 8/30

10:20 am-7:00 pm

1 stop15h 40m

Chicago O'Hare Intl

Sat 9/6

3:45 pm-9:40 am

1 stop10h 55m

$503

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 8/16

10:15 am-11:55 am

Nonstop8h 40m

Chicago O'Hare Intl

Sun 8/31

5:55 pm-9:00 am

Nonstop8h 05m

$504

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 8/16

12:00 pm-4:52 pm

1 stop11h 52m

Chicago O'Hare Intl

Sun 8/31

12:50 pm-7:15 am

1 stop11h 25m

$508

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 9/11

7:00 am-12:55 pm

1 stop12h 55m

Chicago O'Hare Intl

Thu 9/25

5:55 pm-9:00 am

Nonstop8h 05m

$509

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sun 11/16

10:15 am-11:56 pm

2 stops20h 41m

Lambert-St Louis

Mon 11/24

10:45 am-9:35 am

2 stops15h 50m

$3,414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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?

The cheapest month to fly to Illinois from Belgium is in February. Flight prices, which tend to average around $526, 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 November is also cheap. Prices for this month can be found on momondo for an average of $591.

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 $744. Flights from Belgium to Illinois on a Monday will generally be more expensive and average around $828. 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 $664 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 $577 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 14% 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

$328

Fastest flight time

8h 40m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Belgium in the past 72 hours is $328. The best round-trip flight deal from Belgium to Illinois found on momondo in the last 72 hours is $452.
The fastest flight from Belgium to Illinois takes 8h 40m
Direct flights go from Belgium to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)
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?

  • 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?

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
United AirlinesPriceFrom $576Free CancellationRating
7.4
8,912 reviews
Search United Airlines flights
LufthansaPriceFrom $579Free CancellationRating
6.8
7,285 reviews
Search Lufthansa flights
Brussels AirlinesPriceFrom $585Free CancellationRating
7.2
350 reviews
Search Brussels 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.

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