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Cheap flights from Brussels to Chicago from $324

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels to Chicago departing on 11/20. 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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Cheap round-trip flights

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Scandinavian Airlines Logo
10:20 am - 4:45 pmBRU-ORD
13h 25m1 stop
Scandinavian Airlines Logo
7:20 pm - 7:50 pmORD-BRU
17h 30m1 stop
$522Scandinavian Airlines
Find Deal
Mon, Nov 10 - Mon, Nov 17
Scandinavian Airlines Logo
10:20 am - 5:45 pmBRU-ORD
13h 25m1 stop
Scandinavian Airlines Logo
7:20 pm - 6:40 pmORD-BRU
16h 20m2 stops
$524Scandinavian Airlines
Find Deal
Fri, Oct 31 - Thu, Nov 13
Scandinavian Airlines Logo
10:20 am - 4:45 pmBRU-ORD
13h 25m1 stop
Scandinavian Airlines Logo
7:20 pm - 9:40 amORD-BRU
31h 20m1 stop
$526Scandinavian Airlines
Find Deal
Thu, Feb 26 - Mon, Mar 2
Scandinavian Airlines Logo
7:45 pm - 4:45 pmBRU-ORD
28h 00m2 stops
Scandinavian Airlines Logo
8:20 pm - 2:30 pmORD-BRU
12h 10m1 stop
$528Scandinavian Airlines
Find Deal
Sun, Mar 1 - Sat, Mar 14
Scandinavian Airlines Logo
7:45 pm - 4:45 pmBRU-ORD
28h 00m2 stops
Scandinavian Airlines Logo
8:20 pm - 2:30 pmORD-BRU
12h 10m1 stop
$530Scandinavian Airlines
Find Deal
Sun, Mar 1 - Sat, Mar 14
Scandinavian Airlines Logo
10:20 am - 6:45 pmBRU-ORD
14h 25m1 stop
Scandinavian Airlines Logo
7:20 pm - 8:55 pmORD-BRU
18h 35m2 stops
$532Scandinavian Airlines
Find Deal
Thu, Oct 30 - Sun, Nov 2
Multiple Airlines Logo
1:15 pm - 2:45 pmCRL-ORD
32h 30m2 stops
Multiple Airlines Logo
8:25 pm - 10:20 pmORD-CRL
18h 55m2 stops
$547Multiple Airlines
Find Deal
Sat, Nov 22 - Sun, Nov 30
Aer Lingus Logo
10:15 am - 5:55 pmBRU-ORD
14h 40m1 stop
Aer Lingus Logo
9:00 pm - 6:15 pmORD-BRU
14h 15m1 stop
$597Aer Lingus
Find Deal
Mon, Dec 29 - Sun, Jan 11
Aer Lingus Logo
10:15 am - 5:55 pmBRU-ORD
14h 40m1 stop
Aer Lingus Logo
9:00 pm - 6:15 pmORD-BRU
14h 15m1 stop
$628Aer Lingus
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Mon, Dec 29 - Sat, Jan 10
Aer Lingus Logo
10:15 am - 5:55 pmBRU-ORD
14h 40m1 stop
Aer Lingus Logo
9:00 pm - 6:15 pmORD-BRU
14h 15m1 stop
$637Aer Lingus
Find Deal
Thu, Dec 18 - Wed, Jan 7

Scandinavian Airlines flights from Brussels to Chicago O'Hare Intl Airport

Our best Scandinavian Airlines deals on Brussels to Chicago O'Hare Intl Airport flight tickets
Scandinavian Airlines
Nov 10
BRU10:20 amBrussels Bruxelles-National
13h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
Nov 17
ORD7:20 pmChicago O'Hare Intl
17h 30m
1 stop
BRU7:50 pmBrussels Bruxelles-National
$522
Find similar
Scandinavian Airlines
Oct 31
BRU10:20 amBrussels Bruxelles-National
13h 25m
1 stop
ORD5:45 pmChicago O'Hare Intl
Nov 13
ORD7:20 pmChicago O'Hare Intl
16h 20m
2 stops
BRU6:40 pmBrussels Bruxelles-National
$524
Find similar
Scandinavian Airlines
Feb 26
BRU10:20 amBrussels Bruxelles-National
13h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
Mar 2
ORD7:20 pmChicago O'Hare Intl
31h 20m
1 stop
BRU9:40 amBrussels Bruxelles-National
$526
Find similar

Aer Lingus flights from Brussels to Chicago O'Hare Intl Airport

Our best Aer Lingus deals on Brussels to Chicago O'Hare Intl Airport flight tickets
Aer Lingus
Dec 29
BRU10:15 amBrussels Bruxelles-National
14h 40m
1 stop
ORD5:55 pmChicago O'Hare Intl
Jan 11
ORD9:00 pmChicago O'Hare Intl
14h 15m
1 stop
BRU6:15 pmBrussels Bruxelles-National
$597
Find similar
Aer Lingus
Oct 23
BRU10:20 amBrussels Bruxelles-National
15h 40m
1 stop
ORD7:00 pmChicago O'Hare Intl
Oct 30
ORD4:50 pmChicago O'Hare Intl
10h 45m
1 stop
BRU9:35 amBrussels Bruxelles-National
$620
Find similar
Aer Lingus
Dec 29
BRU10:15 amBrussels Bruxelles-National
14h 40m
1 stop
ORD5:55 pmChicago O'Hare Intl
Jan 10
ORD9:00 pmChicago O'Hare Intl
14h 15m
1 stop
BRU6:15 pmBrussels Bruxelles-National
$628
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Brussels to Chicago O'Hare Intl Airport 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 October 16, 2025.
Use the filters below to find and compare flights from Brussels to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 11/10

10:20 am-4:45 pm

1 stop13h 25m

Chicago O'Hare Intl

Mon 11/17

7:20 pm-7:50 pm

1 stop17h 30m

$522

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 10/31

10:20 am-5:45 pm

1 stop13h 25m

Chicago O'Hare Intl

Thu 11/13

7:20 pm-6:40 pm

2 stops16h 20m

$524

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 2/26

10:20 am-4:45 pm

1 stop13h 25m

Chicago O'Hare Intl

Mon 3/2

7:20 pm-9:40 am

1 stop31h 20m

$526

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 3/1

7:45 pm-4:45 pm

2 stops28h 00m

Chicago O'Hare Intl

Sat 3/14

8:20 pm-2:30 pm

1 stop12h 10m

$528

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 3/1

7:45 pm-4:45 pm

2 stops28h 00m

Chicago O'Hare Intl

Sat 3/14

8:20 pm-2:30 pm

1 stop12h 10m

$530

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 10/30

10:20 am-6:45 pm

1 stop14h 25m

Chicago O'Hare Intl

Sun 11/2

7:20 pm-8:55 pm

2 stops18h 35m

$532

BrusselsChicago

CRL - ORD

CRLORD

Charleroi Brussels

Sat 11/22

1:15 pm-2:45 pm

2 stops32h 30m

Chicago O'Hare Intl

Sun 11/30

8:25 pm-10:20 pm

2 stops18h 55m

$547

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 12/29

10:15 am-5:55 pm

1 stop14h 40m

Chicago O'Hare Intl

Sun 1/11

9:00 pm-6:15 pm

1 stop14h 15m

$597

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 12/29

10:15 am-5:55 pm

1 stop14h 40m

Chicago O'Hare Intl

Sat 1/10

9:00 pm-6:15 pm

1 stop14h 15m

$628

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 12/18

10:15 am-5:55 pm

1 stop14h 40m

Chicago O'Hare Intl

Wed 1/7

9:00 pm-6:15 pm

1 stop14h 15m

$637

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Brussels to Chicago O'Hare Intl Airport

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 typical price of a round-trip flight between Brussels and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Brussels averaging around $566.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $728. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Brussels because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $808.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Brussels in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $542 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $813. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Brussels to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Brussels when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $651 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Brussels for as low as $570 on momondo.

What cabin class options are available on Brussels to Chicago O'Hare Intl flights?

There are 3 cabin classes available to choose from on Brussels to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Brussels to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Brussels to Chicago O'Hare Intl Airport

Fastest flight time

8h 50m

Direct flights

Every day
The fastest flight from Brussels to Chicago O'Hare Intl Airport takes 8h 50m
Direct flights go from Brussels to Chicago O'Hare Intl Airport every day.
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  • How far is Brussels to Chicago O'Hare Intl by plane?

    The distance between Brussels and Chicago O'Hare Intl is about 4141.6 mi. Flights usually cover this in 11h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Brussels to Chicago O'Hare Intl Airport?

    Prices for flights from Brussels to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from Brussels to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Brussels to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Brussels to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Brussels to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Brussels to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Brussels AirlinesPriceFrom $521Free CancellationRating
7.2
365 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $521Free CancellationRating
6.8
7,494 reviews
Search Lufthansa flights
United AirlinesPriceFrom $568Free CancellationRating
7.4
8,980 reviews
Search United Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Schaumburg
Rockford
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Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Orland Park
Hammond
Tinley Park
Janesville
Elgin
Aurora
Benton Harbor

Why use momondo?

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

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

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

Yes. All flights to Chicago from Brussels on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Brussels to Chicago 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 Brussels to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Brussels to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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