Cheap flights from Belgium to Chicago from $311

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 Chicago departing on 1/25. 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 Chicago

Recent round-trip flight deals from Belgium to Chicago

Scandinavian Airlines Logo
3:10 pm - 5:45 pmBRU-ORD
32h 35m1 stop
Scandinavian Airlines Logo
7:20 pm - 8:55 pmORD-BRU
18h 35m2 stops
$499Scandinavian Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Lufthansa Logo
10:30 am - 4:20 pmBRU-ORD
11h 50m1 stop
Lufthansa Logo
5:55 pm - 8:55 amORD-BRU
8h 00mnonstop
$500Lufthansa
Find Deal
Thu, Oct 30 - Thu, Nov 6
TAP AIR PORTUGAL Logo
5:55 pm - 3:00 pmBRU-ORD
28h 05m1 stop
TAP AIR PORTUGAL Logo
7:10 pm - 11:50 pmORD-BRU
21h 40m1 stop
$501TAP AIR PORTUGAL
Find Deal
Tue, Dec 23 - Wed, Jan 7
Scandinavian Airlines Logo
8:30 pm - 9:05 pmBRU-ORD
30h 35m1 stop
Scandinavian Airlines Logo
7:20 pm - 8:55 pmORD-BRU
18h 35m2 stops
$502Scandinavian Airlines
Find Deal
Tue, Oct 28 - Thu, Nov 6
United Airlines Logo
10:30 am - 3:20 pmBRU-ORD
11h 50m1 stop
United Airlines Logo
5:55 pm - 8:55 amORD-BRU
8h 00mnonstop
$503United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
United Airlines Logo
10:30 am - 4:20 pmBRU-ORD
11h 50m1 stop
United Airlines Logo
1:00 pm - 7:15 amORD-BRU
11h 15m1 stop
$504United Airlines
Find Deal
Tue, Oct 28 - Thu, Nov 6
American Airlines Logo
10:40 am - 11:50 amBRU-ORD
32h 10m1 stop
American Airlines Logo
10:35 pm - 9:15 pmORD-BRU
15h 40m1 stop
$523American Airlines
Find Deal
Sun, Oct 12 - Fri, Oct 24
Brussels Airlines Logo
10:10 am - 12:10 pmBRU-ORD
9h 00mnonstop
Brussels Airlines Logo
5:55 pm - 8:55 amORD-BRU
8h 00mnonstop
$529Brussels Airlines
Find Deal
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
7:05 am - 2:15 pmBRU-ORD
14h 10m1 stop
American Airlines Logo
8:40 pm - 5:20 pmORD-BRU
13h 40m1 stop
$530American Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17
Brussels Airlines Logo
9:20 pm - 11:30 amBRU-ORD
21h 10m1 stop
Brussels Airlines Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$550Brussels Airlines
Find Deal
Wed, Oct 1 - Mon, Oct 6

Lufthansa flights from Belgium to Chicago

Our best Lufthansa deals on Belgium to Chicago flight tickets
Lufthansa
Oct 30
BRU10:30 amBrussels Bruxelles-National
11h 50m
1 stop
ORD4:20 pmChicago O'Hare Intl
Nov 6
ORD5:55 pmChicago O'Hare Intl
8h 00m
BRU8:55 amBrussels Bruxelles-National
Lufthansa
Oct 15
BRU8:30 amBrussels Bruxelles-National
11h 25m
1 stop
ORD12:55 pmChicago O'Hare Intl
Oct 22
ORD5:55 pmChicago O'Hare Intl
8h 05m
BRU9:00 amBrussels Bruxelles-National
Lufthansa
Oct 31
BRU2:25 pmBrussels Bruxelles-National
12h 40m
1 stop
ORD9:05 pmChicago O'Hare Intl
Nov 7
ORD5:55 pmChicago O'Hare Intl
8h 00m
BRU8:55 amBrussels Bruxelles-National

American Airlines flights from Belgium to Chicago

Our best American Airlines deals on Belgium to Chicago flight tickets
American Airlines
Oct 12
BRU10:40 amBrussels Bruxelles-National
32h 10m
1 stop
ORD11:50 amChicago O'Hare Intl
Oct 24
ORD10:35 pmChicago O'Hare Intl
15h 40m
1 stop
BRU9:15 pmBrussels Bruxelles-National
American Airlines
Oct 10
BRU7:05 amBrussels Bruxelles-National
14h 10m
1 stop
ORD2:15 pmChicago O'Hare Intl
Oct 17
ORD8:40 pmChicago O'Hare Intl
13h 40m
1 stop
BRU5:20 pmBrussels Bruxelles-National
American Airlines
Sep 18
BRU10:50 amBrussels Bruxelles-National
13h 10m
1 stop
ORD5:00 pmChicago O'Hare Intl
Oct 3
ORD4:28 pmChicago O'Hare Intl
19h 42m
2 stops
BRU7:10 pmBrussels Bruxelles-National

momondo Fare Finder

 
Customize your flight search to find flights from Belgium to Chicago 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 September 17, 2025.
Use the filters below to find and compare flights from Belgium to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 10/30

3:10 pm-5:45 pm

1 stop32h 35m

Chicago O'Hare Intl

Thu 11/6

7:20 pm-8:55 pm

2 stops18h 35m

$499

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 10/30

10:30 am-4:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Thu 11/6

5:55 pm-8:55 am

Nonstop8h 00m

$500

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 12/23

5:55 pm-3:00 pm

1 stop28h 05m

Chicago O'Hare Intl

Wed 1/7

7:10 pm-11:50 pm

1 stop21h 40m

$501

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 10/28

8:30 pm-9:05 pm

1 stop30h 35m

Chicago O'Hare Intl

Thu 11/6

7:20 pm-8:55 pm

2 stops18h 35m

$502

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 11/5

10:30 am-3:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Wed 11/12

5:55 pm-8:55 am

Nonstop8h 00m

$503

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 10/28

10:30 am-4:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Thu 11/6

1:00 pm-7:15 am

1 stop11h 15m

$504

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 10/12

10:40 am-11:50 am

1 stop32h 10m

Chicago O'Hare Intl

Fri 10/24

10:35 pm-9:15 pm

1 stop15h 40m

$523

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 2/26

10:10 am-12:10 pm

Nonstop9h 00m

Chicago O'Hare Intl

Mon 3/2

5:55 pm-8:55 am

Nonstop8h 00m

$529

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 10/10

7:05 am-2:15 pm

1 stop14h 10m

Chicago O'Hare Intl

Fri 10/17

8:40 pm-5:20 pm

1 stop13h 40m

$530

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 10/1

9:20 pm-11:30 am

1 stop21h 10m

Chicago O'Hare Intl

Mon 10/6

5:55 pm-9:00 am

Nonstop8h 05m

$550

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 Chicago from

How to get the cheapest flight ticket from Belgium to Chicago

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 Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Belgium, with most prices found around $527. If you’re not able to fly to Chicago in February, then September is your next best option. Flight prices from Belgium to Chicago during September average around $546.

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

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $743. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Belgium to Chicago for around $808.

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

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Belgium to Chicago during this time can be as low as $583. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $800.

What is the cheapest Belgium to Chicago flight route?

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

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

You are more likely to see cheaper flights to Chicago from Belgium when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $648 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Belgium for as low as $547 on momondo.

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

There are 3 cabin classes available to choose from on Belgium to Chicago 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 Chicago flights?

You could potentially save up to 39% on your flight if you consider stops on a Belgium to Chicago flight.

Cheap Belgium to Chicago flight deals and tips

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

Best Price Found

$551

Fastest flight time

8h 50m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from Belgium in the past 72 hours is $551. The best round-trip flight deal from Belgium to Chicago found on momondo in the last 72 hours is $531.
The fastest flight from Belgium to Chicago takes 8h 50m
Direct flights go from Belgium to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
  • When did momondo last update prices for flights from Belgium to Chicago?

    Prices for flights from Belgium to Chicago refresh daily.

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

  • How old do you have to be to fly from Belgium to Chicago?

    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 Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Belgium to Chicago?

Best airlines flying from Belgium to Chicago

Compare and see reviews for airlines that fly from Belgium to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Brussels AirlinesPriceFrom $521Free CancellationRating
7.2
359 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $521Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
United AirlinesPriceFrom $568Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Lansing
Portage
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belgium to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Chicago from Belgium with this policy.

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

momondo helps you find the best flight between Belgium and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Belgium to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Fri 10/17
Fri 10/24

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago