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Cheap flights from Brussels Bruxelles-National Airport to Chicago from $382

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 4/25. 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

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
9:00 pm - 4:00 pm
BRU
-
ORD
26h 00m
1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 3:05 pm
ORD
-
BRU
14h 05m
1 stop
$526TAP AIR PORTUGAL
Thu, Apr 16 - Fri, Apr 24
TAP AIR PORTUGAL Logo
5:55 am - 4:00 pm
BRU
-
ORD
17h 05m
1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 8:05 pm
ORD
-
BRU
19h 05m
1 stop
$556TAP AIR PORTUGAL
Wed, Apr 15 - Sun, Apr 26
TAP AIR PORTUGAL Logo
8:55 pm - 4:05 pm
BRU
-
ORD
26h 10m
1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 11:55 pm
ORD
-
BRU
22h 55m
1 stop
$558TAP AIR PORTUGAL
Fri, Apr 17 - Sun, Apr 19
TAP AIR PORTUGAL Logo
8:55 pm - 4:05 pm
BRU
-
ORD
26h 10m
1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 3:05 pm
ORD
-
BRU
14h 00m
1 stop
$565TAP AIR PORTUGAL
Fri, Apr 17 - Sat, May 2
Aer Lingus Logo
10:20 am - 7:15 pm
BRU
-
ORD
15h 55m
1 stop
Aer Lingus Logo
3:45 pm - 9:40 am
ORD
-
BRU
10h 55m
1 stop
$576Aer Lingus
Thu, Apr 9 - Thu, Apr 23
TAP AIR PORTUGAL Logo
8:55 pm - 4:00 pm
BRU
-
ORD
26h 05m
1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 3:05 pm
ORD
-
BRU
14h 00m
1 stop
$578TAP AIR PORTUGAL
Tue, Apr 14 - Sat, Apr 25
TAP AIR PORTUGAL Logo
8:55 pm - 4:05 pm
BRU
-
ORD
26h 10m
1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 3:05 pm
ORD
-
BRU
14h 00m
1 stop
$582TAP AIR PORTUGAL
Fri, Apr 17 - Sat, May 2
ITA Airways Logo
6:55 pm - 1:10 pm
BRU
-
ORD
25h 15m
1 stop
ITA Airways Logo
7:33 am - 10:45 am
ORD
-
BRU
20h 12m
2 stops
$587ITA Airways
Tue, Sep 1 - Thu, Sep 10
TAP AIR PORTUGAL Logo
5:55 am - 4:00 pm
BRU
-
ORD
17h 05m
1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 8:05 pm
ORD
-
BRU
19h 00m
1 stop
$592TAP AIR PORTUGAL
Wed, Apr 15 - Sat, Apr 25
ITA Airways Logo
6:55 pm - 6:37 pm
BRU
-
ORD
30h 42m
2 stops
ITA Airways Logo
7:33 am - 10:45 am
ORD
-
BRU
20h 12m
2 stops
$597ITA Airways
Sun, Aug 30 - Thu, Sep 10

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

Our best Aer Lingus deals on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight tickets
Aer Lingus
Apr 9
BRU10:20 amBrussels Bruxelles-National
15h 55m
1 stop
ORD7:15 pmChicago O'Hare Intl
Apr 23
ORD3:45 pmChicago O'Hare Intl
10h 55m
1 stop
BRU9:40 amBrussels Bruxelles-National
$576
Aer Lingus
Apr 1
BRU10:20 amBrussels Bruxelles-National
15h 55m
1 stop
ORD7:15 pmChicago O'Hare Intl
Apr 7
ORD9:00 pmChicago O'Hare Intl
16h 45m
1 stop
BRU8:45 pmBrussels Bruxelles-National
$635
Aer Lingus
Apr 9
BRU10:20 amBrussels Bruxelles-National
15h 55m
1 stop
ORD7:15 pmChicago O'Hare Intl
Apr 22
ORD3:45 pmChicago O'Hare Intl
10h 55m
1 stop
BRU9:40 amBrussels Bruxelles-National
$641

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

Our best LOT deals on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight tickets
LOT
Sep 2
BRU1:25 pmBrussels Bruxelles-National
32h 45m
1 stop
ORD3:10 pmChicago O'Hare Intl
Sep 12
ORD9:50 pmChicago O'Hare Intl
31h 40m
1 stop
BRU12:30 pmBrussels Bruxelles-National
$674
LOT
Jul 10
BRU7:35 pmBrussels Bruxelles-National
26h 35m
2 stops
ORD3:10 pmChicago O'Hare Intl
Aug 12
ORD9:50 pmChicago O'Hare Intl
13h 50m
1 stop
BRU6:40 pmBrussels Bruxelles-National
$701
LOT
Mar 17
BRU7:50 amBrussels Bruxelles-National
19h 10m
1 stop
ORD9:00 pmChicago O'Hare Intl
Mar 20
ORD10:55 pmChicago O'Hare Intl
28h 40m
1 stop
BRU9:35 amBrussels Bruxelles-National
$3,478

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 March 10, 2026.
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

Cheapest round-trip

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 4/16

9:00 pm-4:00 pm

1 stop26h 00m

Chicago O'Hare Intl

Fri 4/24

6:00 pm-3:05 pm

1 stop14h 05m

$526

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 4/15

5:55 am-4:00 pm

1 stop17h 05m

Chicago O'Hare Intl

Sun 4/26

6:00 pm-8:05 pm

1 stop19h 05m

$556

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 4/17

8:55 pm-4:05 pm

1 stop26h 10m

Chicago O'Hare Intl

Sun 4/19

6:00 pm-11:55 pm

1 stop22h 55m

$558

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 4/17

8:55 pm-4:05 pm

1 stop26h 10m

Chicago O'Hare Intl

Sat 5/2

6:05 pm-3:05 pm

1 stop14h 00m

$565
Quickest round-trip

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 4/9

10:20 am-7:15 pm

1 stop15h 55m

Chicago O'Hare Intl

Thu 4/23

3:45 pm-9:40 am

1 stop10h 55m

$576

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 4/14

8:55 pm-4:00 pm

1 stop26h 05m

Chicago O'Hare Intl

Sat 4/25

6:05 pm-3:05 pm

1 stop14h 00m

$578

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 4/17

8:55 pm-4:05 pm

1 stop26h 10m

Chicago O'Hare Intl

Sat 5/2

6:05 pm-3:05 pm

1 stop14h 00m

$582

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 9/1

6:55 pm-1:10 pm

1 stop25h 15m

Chicago O'Hare Intl

Thu 9/10

7:33 am-10:45 am

2 stops20h 12m

$587

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 4/15

5:55 am-4:00 pm

1 stop17h 05m

Chicago O'Hare Intl

Sat 4/25

6:05 pm-8:05 pm

1 stop19h 00m

$592

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 8/30

6:55 pm-6:37 pm

2 stops30h 42m

Chicago O'Hare Intl

Thu 9/10

7:33 am-10:45 am

2 stops20h 12m

$597

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 November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Brussels Bruxelles-National Airport averaging around $616.

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 $740. 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 $846.

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 $692 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 $586 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 17% 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?

As of March 2026, prices for Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flights are approximately 35% more expensive when compared to flights at the same time last year.

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

$769

Fastest flight time

8h 45m

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 $769. 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 $732.
The fastest flight from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport takes 8h 45m
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 45m 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
LufthansaPriceFrom $521Free CancellationRating
6.8
7,840 reviews
Search Lufthansa flights
United AirlinesPriceFrom $568Free CancellationRating
7.4
9,409 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 9,409 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 $719 for United Airlines flights on this route.

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

    $521 is the best Lufthansa flight deal from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport found on momondo over the last 72 hours. The average Lufthansa ticket price found was closer to $680, however, with flight time and availability significantly affecting the price. Lufthansa (6.8/10 from 7,840 user reviews) flies into Chicago O'Hare Intl Airport from Brussels Bruxelles-National Airport 7 times in an average week so prices can vary.

Traveling to a place near Chicago?

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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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