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Cheap flights from Brussels Bruxelles-National Airport to Chicago from $325

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 Bruxelles-National Airport 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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Find the cheapest flights from Brussels Bruxelles-National Airport to Chicago

Cheap round-trip flights

Scandinavian Airlines Logo
9:40 pm - 9:05 pmBRU-ORD
53h 25m2 stops
Scandinavian Airlines Logo
7:20 pm - 9:40 amORD-BRU
31h 20m1 stop
$495Scandinavian Airlines
Find Deal
Mon, Oct 27 - Mon, Nov 3
United Airlines Logo
10:00 am - 4:20 pmBRU-ORD
13h 20m1 stop
United Airlines Logo
5:55 pm - 8:55 amORD-BRU
8h 00mnonstop
$497United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Scandinavian Airlines Logo
11:30 am - 4:45 pmBRU-ORD
36h 15m2 stops
Scandinavian Airlines Logo
7:20 pm - 2:30 pmORD-BRU
12h 10m1 stop
$498Scandinavian Airlines
Find Deal
Tue, Jan 27 - Thu, Feb 5
Lufthansa Logo
8:30 am - 12:55 pmBRU-ORD
11h 25m1 stop
Lufthansa Logo
9:50 pm - 4:15 pmORD-BRU
11h 25m1 stop
$504Lufthansa
Find Deal
Thu, Oct 16 - Sun, Nov 2
Air Canada Logo
9:00 am - 7:30 pmBRU-ORD
17h 30m2 stops
Air Canada Logo
12:50 pm - 1:15 pmORD-BRU
17h 25m2 stops
$505Air Canada
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Sun, Dec 14 - Wed, Jan 14
Lufthansa Logo
9:00 am - 4:20 pmBRU-ORD
13h 20m1 stop
Lufthansa Logo
5:55 pm - 8:55 amORD-BRU
8h 00mnonstop
$506Lufthansa
Find Deal
Wed, Oct 29 - Wed, Nov 5
Logo
10:30 am - 2:55 pmBRU-ORD
11h 25m1 stop
Logo
4:10 pm - 10:00 amORD-BRU
10h 50m1 stop
$510
Find Deal
Wed, Sep 24 - Tue, Nov 11
Logo
2:25 pm - 9:05 pmBRU-ORD
12h 40m1 stop
Logo
4:20 pm - 10:50 amORD-BRU
11h 30m1 stop
$511
Find Deal
Mon, Oct 27 - Mon, Nov 3
Air Canada Logo
9:40 am - 3:04 pmBRU-ORD
12h 24m1 stop
Air Canada Logo
9:55 am - 8:05 amORD-BRU
15h 10m2 stops
$538Air Canada
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Thu, Oct 9 - Mon, Oct 13
American Airlines Logo
11:50 am - 5:00 pmBRU-ORD
12h 10m1 stop
American Airlines Logo
5:30 pm - 1:35 pmORD-BRU
13h 05m2 stops
$547American Airlines
Find Deal
Wed, Jan 28 - Tue, Feb 3

United Airlines flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport

Our best United Airlines deals on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight tickets
United Airlines
Nov 5
BRU10:00 amBrussels Bruxelles-National
13h 20m
1 stop
ORD4:20 pmChicago O'Hare Intl
Nov 12
ORD5:55 pmChicago O'Hare Intl
8h 00m
BRU8:55 amBrussels Bruxelles-National
$497
Find similar
United Airlines
Sep 19
BRU7:00 amBrussels Bruxelles-National
14h 55m
1 stop
ORD2:55 pmChicago O'Hare Intl
Oct 2
ORD1:17 pmChicago O'Hare Intl
11h 28m
1 stop
BRU7:45 amBrussels Bruxelles-National
$503
Find similar
United Airlines
Sep 20
BRU10:15 amBrussels Bruxelles-National
8h 50m
ORD12:05 pmChicago O'Hare Intl
Oct 3
ORD1:32 pmChicago O'Hare Intl
11h 13m
1 stop
BRU7:45 amBrussels Bruxelles-National
$506
Find similar

American Airlines flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport

Our best American Airlines deals on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight tickets
American Airlines
Sep 19
BRU10:45 amBrussels Bruxelles-National
12h 10m
1 stop
ORD3:55 pmChicago O'Hare Intl
Oct 14
ORD8:40 pmChicago O'Hare Intl
10h 45m
1 stop
BRU2:25 pmBrussels Bruxelles-National
$522
Find similar
American Airlines
Sep 21
BRU10:40 amBrussels Bruxelles-National
19h 59m
2 stops
ORD11:39 pmChicago O'Hare Intl
Oct 14
ORD2:41 pmChicago O'Hare Intl
16h 44m
2 stops
BRU2:25 pmBrussels Bruxelles-National
$527
Find similar
American Airlines
Jan 28
BRU11:50 amBrussels Bruxelles-National
12h 10m
1 stop
ORD5:00 pmChicago O'Hare Intl
Feb 3
ORD5:30 pmChicago O'Hare Intl
13h 05m
2 stops
BRU1:35 pmBrussels Bruxelles-National
$547
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Brussels Bruxelles-National Airport 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 September 14, 2025.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport 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 10/27

9:40 pm-9:05 pm

2 stops53h 25m

Chicago O'Hare Intl

Mon 11/3

7:20 pm-9:40 am

1 stop31h 20m

$495

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 11/5

10:00 am-4:20 pm

1 stop13h 20m

Chicago O'Hare Intl

Wed 11/12

5:55 pm-8:55 am

Nonstop8h 00m

$497

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 1/27

11:30 am-4:45 pm

2 stops36h 15m

Chicago O'Hare Intl

Thu 2/5

7:20 pm-2:30 pm

1 stop12h 10m

$498

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

$504

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 12/14

9:00 am-7:30 pm

2 stops17h 30m

Chicago O'Hare Intl

Wed 1/14

12:50 pm-1:15 pm

2 stops17h 25m

$505

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 10/29

9:00 am-4:20 pm

1 stop13h 20m

Chicago O'Hare Intl

Wed 11/5

5:55 pm-8:55 am

Nonstop8h 00m

$506

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 9/24

10:30 am-2:55 pm

1 stop11h 25m

Chicago O'Hare Intl

Tue 11/11

4:10 pm-10:00 am

1 stop10h 50m

$510

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 10/27

2:25 pm-9:05 pm

1 stop12h 40m

Chicago O'Hare Intl

Mon 11/3

4:20 pm-10:50 am

1 stop11h 30m

$511

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 10/9

9:40 am-3:04 pm

1 stop12h 24m

Chicago O'Hare Intl

Mon 10/13

9:55 am-8:05 am

2 stops15h 10m

$538

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 1/28

11:50 am-5:00 pm

1 stop12h 10m

Chicago O'Hare Intl

Tue 2/3

5:30 pm-1:35 pm

2 stops13h 05m

$547

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 Bruxelles-National Airport 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 Bruxelles-National Airport and Chicago O'Hare Intl Airport?

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

The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Brussels Bruxelles-National Airport averaging around $553.

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 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. On the other hand, Saturday is the most expensive day to depart from Brussels Bruxelles-National Airport 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 Bruxelles-National Airport 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 Bruxelles-National to Chicago O'Hare Intl flight route?

Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Brussels Bruxelles-National - 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 Bruxelles-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport from Brussels Bruxelles-National Airport for as low as $547 on momondo.

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

There are 3 cabin classes available to choose from on Brussels Bruxelles-National 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.

Can stopping save me money on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flights?

You could potentially save up to 39% on your flight if you consider stops on a Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight.

How have Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight prices changed over time?

When to book flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport (BRU to ORD) flight deals and tips

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

Best Price Found

$551

Fastest flight time

8h 50m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Brussels Bruxelles-National Airport in the past 72 hours is $551. The best round-trip flight deal from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $579.
The fastest flight from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport takes 8h 50m
Direct flights go from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport every day.
Search flight deals

  • How far is Brussels Bruxelles-National to Chicago O'Hare Intl by plane?

    There are 4144.8 mi between Brussels Bruxelles-National and Chicago O'Hare Intl. Typically, this will take 8h 50m by plane in normal conditions.

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

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

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

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

    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 Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport.

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

    The necessary travel and health documents for your Chicago O'Hare Intl Airport 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 Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport?

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

Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport 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
8,931 reviews
Search United Airlines flights

  • United Airlines Flights From Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport

    United Airlines flies from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport around 7 times per week, with 8,931 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport in the last 72 hours was $568 (round-trip), much lower than the average airfare cost of $686 for United Airlines flights on this route.

  • Brussels Airlines Flights From Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport

    $521 is the best Brussels Airlines flight deal from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport found on momondo over the last 72 hours. The average Brussels Airlines ticket price found was closer to $708, however, with flight time and availability significantly affecting the price. Brussels Airlines (7.2/10 from 359 user reviews) flies into Chicago O'Hare Intl Airport from Brussels Bruxelles-National Airport 7 times in an average week so prices can vary.

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

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?

If you are not ready to book a flight from Brussels to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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