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Cheap flights from Brussels Bruxelles-National Airport to Chicago from $357

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 8/26. 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

TAP AIR PORTUGAL Logo
8:55 pm - 12:35 pmBRU-ORD
22h 40m1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 11:00 amORD-BRU
34h 00m1 stop
$428TAP AIR PORTUGAL
Find Deal
Wed, Sep 3 - Sun, Sep 7
TAP AIR PORTUGAL Logo
6:00 am - 3:00 pmBRU-ORD
16h 00m1 stop
TAP AIR PORTUGAL Logo
7:10 pm - 5:05 pmORD-BRU
14h 55m1 stop
$452TAP AIR PORTUGAL
Find Deal
Wed, Nov 5 - Wed, Nov 12
Lufthansa Logo
10:15 am - 11:55 amBRU-ORD
8h 40mnonstop
Lufthansa Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$472Lufthansa
Find Deal
Sun, Jun 29 - Mon, Jul 14
Aer Lingus Logo
10:20 am - 7:00 pmBRU-ORD
15h 40m1 stop
Aer Lingus Logo
3:45 pm - 9:40 amORD-BRU
10h 55m1 stop
$473Aer Lingus
Find Deal
Sat, Sep 20 - Tue, Sep 30
Aer Lingus Logo
10:20 am - 7:00 pmBRU-ORD
15h 40m1 stop
Aer Lingus Logo
3:45 pm - 9:40 amORD-BRU
10h 55m1 stop
$497Aer Lingus
Find Deal
Thu, Aug 28 - Mon, Sep 8
United Airlines Logo
10:00 am - 8:11 pmBRU-ORD
17h 11m1 stop
United Airlines Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$625United Airlines
Find Deal
Wed, Oct 8 - Mon, Oct 13
United Airlines Logo
10:00 am - 8:11 pmBRU-ORD
17h 11m1 stop
United Airlines Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$627United Airlines
Find Deal
Wed, Oct 8 - Mon, Oct 13
Lufthansa Logo
10:15 am - 11:55 amBRU-ORD
8h 40mnonstop
Lufthansa Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$641Lufthansa
Find Deal
Thu, Aug 28 - Mon, Sep 8
Brussels Airlines Logo
8:05 pm - 12:50 pmBRU-ORD
23h 45m1 stop
Brussels Airlines Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$712Brussels Airlines
Find Deal
Tue, Jul 1 - Thu, Jul 10
Brussels Airlines Logo
9:20 pm - 11:25 amBRU-ORD
21h 05m1 stop
Brussels Airlines Logo
5:55 pm - 9:00 amORD-BRU
8h 05mnonstop
$732Brussels Airlines
Find Deal
Tue, Jul 1 - Tue, Jul 8

Lufthansa flights from Brussels Bruxelles-National Airport to Chicago

Our best Lufthansa deals on Brussels Bruxelles-National Airport to Chicago flight tickets
Lufthansa
Jun 29
BRU10:15 amBrussels Bruxelles-National
8h 40m
ORD11:55 amChicago O'Hare Intl
Jul 14
ORD5:55 pmChicago O'Hare Intl
8h 05m
BRU9:00 amBrussels Bruxelles-National
Lufthansa
Aug 28
BRU10:15 amBrussels Bruxelles-National
8h 40m
ORD11:55 amChicago O'Hare Intl
Sep 8
ORD5:55 pmChicago O'Hare Intl
8h 05m
BRU9:00 amBrussels Bruxelles-National
Lufthansa
Aug 14
BRU10:15 amBrussels Bruxelles-National
8h 40m
ORD11:55 amChicago O'Hare Intl
Aug 27
ORD5:55 pmChicago O'Hare Intl
8h 05m
BRU9:00 amBrussels Bruxelles-National

Aer Lingus flights from Brussels Bruxelles-National Airport to Chicago

Our best Aer Lingus deals on Brussels Bruxelles-National Airport to Chicago flight tickets
Aer Lingus
Sep 20
BRU10:20 amBrussels Bruxelles-National
15h 40m
1 stop
ORD7:00 pmChicago O'Hare Intl
Sep 30
ORD3:45 pmChicago O'Hare Intl
10h 55m
1 stop
BRU9:40 amBrussels Bruxelles-National
Aer Lingus
Aug 28
BRU10:20 amBrussels Bruxelles-National
15h 40m
1 stop
ORD7:00 pmChicago O'Hare Intl
Sep 8
ORD3:45 pmChicago O'Hare Intl
10h 55m
1 stop
BRU9:40 amBrussels Bruxelles-National
Aer Lingus
Oct 2
BRU10:20 amBrussels Bruxelles-National
15h 40m
1 stop
ORD7:00 pmChicago O'Hare Intl
Dec 3
ORD3:55 pmChicago O'Hare Intl
10h 40m
1 stop
BRU9:35 amBrussels Bruxelles-National

See travel insights to Chicago from

How to get the cheapest flight ticket from Brussels Bruxelles-National Airport 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 Bruxelles-National Airport 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 Bruxelles-National Airport, with most prices found around $527. If you’re not able to fly to Chicago in February, then November is your next best option. Flight prices from Brussels Bruxelles-National Airport to Chicago during November average around $589.

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 Friday when prices can be found for as low as $753. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Brussels Bruxelles-National Airport to Chicago for around $849.

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 Bruxelles-National Airport 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 Bruxelles-National to Chicago flight route?

Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Brussels Bruxelles-National - 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 Bruxelles-National Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $687 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Brussels Bruxelles-National Airport for as low as $577 on momondo.

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

There are 3 cabin classes available to choose from on Brussels Bruxelles-National to Chicago 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 flights?

You could potentially save up to 5% on your flight if you consider stops on a Brussels Bruxelles-National Airport to Chicago flight.

How have Brussels Bruxelles-National Airport to Chicago flight prices changed over time?

As of June 2025, prices for Brussels Bruxelles-National Airport to Chicago flights are approximately 20% more expensive when compared to flights at the same time last year.

When to book flights from Brussels Bruxelles-National Airport to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Brussels Bruxelles-National Airport to Chicago 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 (BRU to CHI) flight deals and tips

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

Best Price Found

$357

Fastest flight time

8h 40m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Chicago

2 airports
The best one-way flight to Chicago from Brussels Bruxelles-National Airport in the past 72 hours is $357. The best round-trip flight deal from Brussels Bruxelles-National Airport to Chicago found on momondo in the last 72 hours is $428.
The fastest flight from Brussels Bruxelles-National Airport to Chicago takes 8h 40m
Direct flights go from Brussels Bruxelles-National Airport to Chicago on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: United Airlines, Lufthansa and Brussels Airlines.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • How far is Brussels Bruxelles-National to Chicago by plane?

    There are 4139.4 mi between Brussels Bruxelles-National and Chicago. Flights usually cover this in 8h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Brussels Bruxelles-National Airport to Chicago are updated daily.

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

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

    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 Bruxelles-National Airport to Chicago.

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

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

  • What is the most popular plane model from Brussels Bruxelles-National Airport to Chicago?

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


Best airlines flying from Brussels Bruxelles-National Airport to Chicago

Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to Chicago with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $576Free CancellationRating
7.4
8,790 reviews
Search United Airlines flights
LufthansaPriceFrom $579Free CancellationRating
6.7
7,136 reviews
Search Lufthansa flights
Brussels AirlinesPriceFrom $592Free CancellationRating
7.4
355 reviews
Search Brussels Airlines flights
  • United Airlines Flights From Brussels Bruxelles-National Airport to Chicago

    United Airlines flight deals from Brussels Bruxelles-National Airport to Chicago start from $576 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $704 round-trip - but some users have found much cheaper deals with momondo.

  • Brussels Airlines Flights From Brussels Bruxelles-National Airport to Chicago

    Another popular option for Brussels Bruxelles-National Airport to Chicago flights is Brussels Airlines (7.4/10, 355 ratings). Brussels Airlines flies from Brussels Bruxelles-National Airport to Chicago around 7 times per week, with deals starting from $592 round-trip and rising to an average price of around $767.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Hammond
Benton Harbor
Portage
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Saint Joseph
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Valparaiso
Crown Point
Munster
Monticello
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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. 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?

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?

Yes. momondo can track prices for Brussels to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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1 adult
Tue 6/17
Tue 6/24

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Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago