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Cheap flights from Brussels to Chicago from $309

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 11/15. 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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Cheap round-trip flights

Scandinavian Airlines Logo
11:30 am - 9:05 pmBRU-ORD
15h 35m2 stops
Scandinavian Airlines Logo
7:20 pm - 6:40 pmORD-BRU
16h 20m2 stops
$495Scandinavian Airlines
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Wed, Oct 29 - Wed, Nov 5
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
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
Lufthansa Logo
8:30 am - 12:55 pmBRU-ORD
11h 25m1 stop
Lufthansa Logo
9:50 pm - 4:15 pmORD-BRU
11h 25m1 stop
$505Lufthansa
Find Deal
Thu, Oct 16 - Sun, Nov 2
Lufthansa Logo
7:00 am - 1:10 pmBRU-ORD
13h 10m1 stop
Lufthansa Logo
5:55 pm - 8:55 amORD-BRU
8h 00mnonstop
$506Lufthansa
Find Deal
Mon, Nov 10 - Mon, Nov 17
American Airlines Logo
5:30 pm - 1:50 pmBRU-ORD
27h 20m1 stop
American Airlines Logo
6:30 pm - 7:30 pmORD-BRU
18h 00m1 stop
$522American Airlines
Find Deal
Thu, Dec 4 - Thu, Dec 18
American Airlines Logo
12:00 pm - 5:00 pmBRU-ORD
12h 00m1 stop
American Airlines Logo
2:42 pm - 10:50 amORD-BRU
13h 08m2 stops
$523American Airlines
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Tue, Dec 2 - Tue, Dec 9
Brussels Airlines Logo
10:10 am - 12:10 pmBRU-ORD
9h 00mnonstop
Brussels Airlines Logo
6:45 pm - 9:25 amORD-BRU
31h 40m1 stop
$548Brussels Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 12
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

TAP AIR PORTUGAL flights from Brussels to Chicago

Our best TAP AIR PORTUGAL deals on Brussels to Chicago flight tickets
TAP AIR PORTUGAL
Dec 23
BRU5:55 pmBrussels Bruxelles-National
28h 05m
1 stop
ORD3:00 pmChicago O'Hare Intl
Jan 7
ORD7:10 pmChicago O'Hare Intl
21h 40m
1 stop
BRU11:50 pmBrussels Bruxelles-National
$501
Find similar
TAP AIR PORTUGAL
Sep 17
BRU3:55 pmBrussels Bruxelles-National
26h 00m
1 stop
ORD10:55 amChicago O'Hare Intl
Oct 1
ORD6:00 pmChicago O'Hare Intl
22h 55m
1 stop
BRU11:55 pmBrussels Bruxelles-National
$641
Find similar
TAP AIR PORTUGAL
Sep 17
BRU3:55 pmBrussels Bruxelles-National
26h 00m
1 stop
ORD10:55 amChicago O'Hare Intl
Sep 29
ORD6:10 pmChicago O'Hare Intl
13h 55m
1 stop
BRU3:05 pmBrussels Bruxelles-National
$713
Find similar

Austrian Airlines flights from Brussels to Chicago

Our best Austrian Airlines deals on Brussels to Chicago flight tickets
Austrian Airlines
Oct 11
BRU7:15 pmBrussels Bruxelles-National
25h 05m
1 stop
ORD1:20 pmChicago O'Hare Intl
Oct 18
ORD12:55 pmChicago O'Hare Intl
15h 10m
2 stops
BRU11:05 amBrussels Bruxelles-National
$543
Find similar
Austrian Airlines
Sep 22
BRU6:50 amBrussels Bruxelles-National
18h 35m
2 stops
ORD6:25 pmChicago O'Hare Intl
Oct 5
ORD4:20 pmChicago O'Hare Intl
11h 45m
1 stop
BRU11:05 amBrussels Bruxelles-National
$548
Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 10/29

11:30 am-9:05 pm

2 stops15h 35m

Chicago O'Hare Intl

Wed 11/5

7:20 pm-6:40 pm

2 stops16h 20m

$495

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

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

Thu 10/16

8:30 am-12:55 pm

1 stop11h 25m

Chicago O'Hare Intl

Sun 11/2

9:50 pm-4:15 pm

1 stop11h 25m

$505

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 11/10

7:00 am-1:10 pm

1 stop13h 10m

Chicago O'Hare Intl

Mon 11/17

5:55 pm-8:55 am

Nonstop8h 00m

$506

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 12/4

5:30 pm-1:50 pm

1 stop27h 20m

Chicago O'Hare Intl

Thu 12/18

6:30 pm-7:30 pm

1 stop18h 00m

$522

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 12/2

12:00 pm-5:00 pm

1 stop12h 00m

Chicago O'Hare Intl

Tue 12/9

2:42 pm-10:50 am

2 stops13h 08m

$523

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 12/3

10:10 am-12:10 pm

Nonstop9h 00m

Chicago O'Hare Intl

Fri 12/12

6:45 pm-9:25 am

1 stop31h 40m

$548

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 Brussels 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 typical price of a round-trip flight between Brussels and Chicago?

What is the cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Brussels, 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 Brussels 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 Brussels 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 Brussels 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 Brussels to Chicago flight route?

Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Brussels - 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 Brussels 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 Brussels for as low as $547 on momondo.

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

There are 3 cabin classes available to choose from on Brussels to Chicago 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 flight deals and tips

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

Fastest flight time

8h 50m

Direct flights

Every day

Airports in Chicago

1 airport
The fastest flight from Brussels to Chicago takes 8h 50m
Direct flights go from Brussels to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
Search flight deals

  • How far is Brussels to Chicago by plane?

    Brussels and Chicago are 4136.1 mi apart from one another. Typically, this will take 8h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Brussels to Chicago?

    Prices for flights from Brussels to Chicago are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Brussels to Chicago.

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

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Brussels to Chicago

Compare and see reviews for airlines that fly from Brussels 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
7,407 reviews
Search Lufthansa flights
United AirlinesPriceFrom $568Free CancellationRating
7.4
8,924 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 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?

momondo provides multiple filters to help you find the best flight to Chicago from Brussels. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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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
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport