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Cheap flights from Brussels Bruxelles-National Airport to Chicago from $364

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 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
ITA Airways Logo
6:55 pm - 1:10 pm
BRU
-
ORD
25h 15m
1 stop
ITA Airways Logo
3:00 pm - 10:45 am
ORD
-
BRU
12h 45m
1 stop
$640ITA Airways
Mon, Sep 14 - Sat, Sep 26
ITA Airways Logo
6:55 pm - 1:10 pm
BRU
-
ORD
25h 15m
1 stop
ITA Airways Logo
3:00 pm - 10:45 am
ORD
-
BRU
12h 45m
1 stop
$655ITA Airways
Tue, Aug 25 - Thu, Sep 3
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
$668TAP AIR PORTUGAL
Sat, Oct 10 - Sat, Oct 17
TAP AIR PORTUGAL Logo
5:55 am - 12:40 pm
BRU
-
ORD
13h 45m
1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 8:05 pm
ORD
-
BRU
19h 05m
1 stop
$669TAP AIR PORTUGAL
Thu, Sep 24 - Wed, Sep 30
Aer Lingus Logo
10:15 am - 7:25 pm
BRU
-
ORD
15h 10m
1 stop
Aer Lingus Logo
3:55 pm - 9:35 am
ORD
-
BRU
10h 40m
1 stop
$676Aer Lingus
Sat, Oct 31 - Wed, Nov 11
Multiple Airlines Logo
10:20 am - 6:15 pm
BRU
-
ORD
14h 55m
2 stops
Multiple Airlines Logo
7:25 pm - 8:45 pm
ORD
-
BRU
18h 20m
2 stops
$678Multiple Airlines
Tue, Aug 25 - Thu, Sep 3
TAP AIR PORTUGAL Logo
8:55 pm - 4:00 pm
BRU
-
ORD
26h 05m
1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 8:05 pm
ORD
-
BRU
19h 00m
1 stop
$696TAP AIR PORTUGAL
Sat, Sep 19 - Sat, Oct 3
ITA Airways Logo
6:55 pm - 1:10 pm
BRU
-
ORD
25h 15m
1 stop
ITA Airways Logo
3:00 pm - 10:45 am
ORD
-
BRU
12h 45m
1 stop
$702ITA Airways
Tue, Aug 25 - Sat, Sep 5
TAP AIR PORTUGAL Logo
8:55 pm - 4:00 pm
BRU
-
ORD
26h 05m
1 stop
TAP AIR PORTUGAL Logo
6:05 pm - 11:55 pm
ORD
-
BRU
22h 50m
1 stop
$723TAP AIR PORTUGAL
Tue, Sep 8 - Sat, Sep 26
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m
1 stop
Icelandair Logo
7:25 pm - 12:55 pm
ORD
-
BRU
10h 30m
1 stop
$736Icelandair
Mon, Aug 31 - Sat, Sep 12

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

Our best British Airways deals on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight tickets
British Airways
Sep 8
BRU10:55 amBrussels Bruxelles-National
14h 20m
1 stop
ORD6:15 pmChicago O'Hare Intl
Sep 26
ORD5:48 pmChicago O'Hare Intl
13h 32m
2 stops
BRU2:20 pmBrussels Bruxelles-National
$761
British Airways
Oct 30
BRU9:50 amBrussels Bruxelles-National
15h 45m
2 stops
ORD7:35 pmChicago O'Hare Intl
Nov 13
ORD4:06 pmChicago O'Hare Intl
14h 34m
2 stops
BRU1:40 pmBrussels Bruxelles-National
$775
British Airways
Jun 20
BRU8:05 pmBrussels Bruxelles-National
23h 20m
1 stop
ORD12:25 pmChicago O'Hare Intl
Jul 20
ORD7:05 pmChicago O'Hare Intl
12h 20m
1 stop
BRU2:25 pmBrussels Bruxelles-National
$852

TAP AIR PORTUGAL flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport

Our best TAP AIR PORTUGAL deals on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight tickets
TAP AIR PORTUGAL
Oct 10
BRU8:55 pmBrussels Bruxelles-National
26h 05m
1 stop
ORD4:00 pmChicago O'Hare Intl
Oct 17
ORD6:05 pmChicago O'Hare Intl
14h 00m
1 stop
BRU3:05 pmBrussels Bruxelles-National
$668
TAP AIR PORTUGAL
Sep 24
BRU5:55 amBrussels Bruxelles-National
13h 45m
1 stop
ORD12:40 pmChicago O'Hare Intl
Sep 30
ORD6:00 pmChicago O'Hare Intl
19h 05m
1 stop
BRU8:05 pmBrussels Bruxelles-National
$669
TAP AIR PORTUGAL
Sep 23
BRU5:55 amBrussels Bruxelles-National
17h 05m
1 stop
ORD4:00 pmChicago O'Hare Intl
Sep 26
ORD6:05 pmChicago O'Hare Intl
33h 55m
1 stop
BRU11:00 amBrussels Bruxelles-National
$696

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 June 12, 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

Mon 9/14

6:55 pm-1:10 pm

1 stop25h 15m

Chicago O'Hare Intl

Sat 9/26

3:00 pm-10:45 am

1 stop12h 45m

$640

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 8/25

6:55 pm-1:10 pm

1 stop25h 15m

Chicago O'Hare Intl

Thu 9/3

3:00 pm-10:45 am

1 stop12h 45m

$655

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 10/10

8:55 pm-4:00 pm

1 stop26h 05m

Chicago O'Hare Intl

Sat 10/17

6:05 pm-3:05 pm

1 stop14h 00m

$668

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 9/24

5:55 am-12:40 pm

1 stop13h 45m

Chicago O'Hare Intl

Wed 9/30

6:00 pm-8:05 pm

1 stop19h 05m

$669

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 10/31

10:15 am-7:25 pm

1 stop15h 10m

Chicago O'Hare Intl

Wed 11/11

3:55 pm-9:35 am

1 stop10h 40m

$676

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 8/25

10:20 am-6:15 pm

2 stops14h 55m

Chicago O'Hare Intl

Thu 9/3

7:25 pm-8:45 pm

2 stops18h 20m

$678

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 9/19

8:55 pm-4:00 pm

1 stop26h 05m

Chicago O'Hare Intl

Sat 10/3

6:05 pm-8:05 pm

1 stop19h 00m

$696

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 8/25

6:55 pm-1:10 pm

1 stop25h 15m

Chicago O'Hare Intl

Sat 9/5

3:00 pm-10:45 am

1 stop12h 45m

$702

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 9/8

8:55 pm-4:00 pm

1 stop26h 05m

Chicago O'Hare Intl

Sat 9/26

6:05 pm-11:55 pm

1 stop22h 50m

$723
Quickest round-trip

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 8/31

1:50 pm-6:15 pm

1 stop11h 25m

Chicago O'Hare Intl

Sat 9/12

7:25 pm-12:55 pm

1 stop10h 30m

$736

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 $683.

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 Monday when prices can be found for as low as $821. 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 $1,019.

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 from Brussels Bruxelles-National Airport 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 $765 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 $625 on momondo.

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

There are 3 cabin classes available to choose from on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport 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 20% 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 June 2026, prices for Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flights are approximately 6% 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

$870

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 $870. 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 $830.
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

Frequently asked questions about flying from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport

  • 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
8,056 reviews
Search Lufthansa flights
United AirlinesPriceFrom $609Free CancellationRating
7.4
9,812 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 9,812 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 $609 (round-trip), much lower than the average airfare cost of $731 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 8,056 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?

Book flights to Chicago if you plan to visit one of these locations
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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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