What is the cheapest airline that flies from Brussels to Chicago?

TAP AIR PORTUGAL, Aer Lingus, and LOT are the most popular carriers operating from Brussels to Chicago

What airlines fly to Chicago?

United Airlines, Lufthansa and Brussels Airlines are the top three most popular airlines that fly to Chicago from Brussels according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 3 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

How many flights depart from Brussels to Chicago on average per day?

The number of flights available between Brussels and Chicago is 6 per day as of April 2025. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

How many flights depart from Brussels to Chicago on average per week?

As of April 2025, there are 42 flights per week flying from Brussels to Chicago. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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?

The number of operators available for flights from Brussels to Chicago is 3 as of April 2025.

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.

$265 Cheap Flights from Brussels to Chicago in 2025

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Find the cheapest flights from Brussels to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Brussels to Chicago.

10:20 am - 7:00 pmBRU-ORD

15h 40m1 stop

9:15 pm - 8:40 pmORD-BRU

16h 25m1 stop

$465Aer Lingus

Find Deal

Mon, Apr 14 - Mon, Apr 28

10:20 am - 7:00 pmBRU-ORD

15h 40m1 stop

3:45 pm - 9:40 amORD-BRU

10h 55m1 stop

$466Aer Lingus

Find Deal

Wed, May 7 - Wed, May 14

10:15 am - 12:00 pmBRU-ORD

8h 45mnonstop

9:20 pm - 8:00 pmORD-BRU

15h 40m1 stop

$482Brussels Airlines

Find Deal

Mon, Apr 28 - Mon, May 5

8:55 pm - 11:45 amBRU-ORD

21h 50m1 stop

8:20 pm - 3:20 pmORD-BRU

12h 00m1 stop

$516British Airways

Find Deal

Tue, Apr 22 - Wed, Apr 30

7:05 pm - 11:45 amBRU-ORD

23h 40m1 stop

9:15 pm - 5:10 pmORD-BRU

12h 55m1 stop

$533British Airways

Find Deal

Mon, Apr 28 - Mon, May 5

8:30 am - 12:55 pmBRU-ORD

11h 25m1 stop

5:50 pm - 9:00 amORD-BRU

8h 10mnonstop

$580Lufthansa

Find Deal

Sat, May 17 - Mon, May 19

7:00 am - 12:55 pmBRU-ORD

12h 55m1 stop

5:50 pm - 9:00 amORD-BRU

8h 10mnonstop

$584Lufthansa

Find Deal

Mon, May 5 - Mon, May 19

10:00 am - 2:55 pmBRU-ORD

11h 55m1 stop

5:55 pm - 9:00 amORD-BRU

8h 05mnonstop

$599United Airlines

Find Deal

Tue, Jun 17 - Wed, Aug 13

9:40 am - 2:55 pmBRU-ORD

12h 15m1 stop

5:50 pm - 9:00 amORD-BRU

8h 10mnonstop

$604United Airlines

Find Deal

Wed, Apr 23 - Tue, Apr 29

10:15 am - 11:55 amBRU-ORD

8h 40mnonstop

5:55 pm - 9:00 amORD-BRU

8h 05mnonstop

$659Brussels Airlines

Find Deal

Thu, Jun 19 - Thu, Aug 14

Brussels Airlines flights from Brussels to Chicago

Our best Brussels Airlines deals on Brussels to Chicago flight tickets

Brussels Airlines

Apr 28

BRU10:15 amBrussels Bruxelles-National

8h 45m

ORD12:00 pmChicago O'Hare Intl

May 5

ORD9:20 pmChicago O'Hare Intl

15h 40m

1 stop

BRU8:00 pmBrussels Bruxelles-National

$482

Find similar

Brussels Airlines

Jun 19

BRU10:15 amBrussels Bruxelles-National

8h 40m

ORD11:55 amChicago O'Hare Intl

Aug 14

ORD5:55 pmChicago O'Hare Intl

8h 05m

BRU9:00 amBrussels Bruxelles-National

$659

Find similar

Brussels Airlines

May 9

BRU10:15 amBrussels Bruxelles-National

8h 45m

ORD12:00 pmChicago O'Hare Intl

May 17

ORD9:20 pmChicago O'Hare Intl

15h 40m

1 stop

BRU8:00 pmBrussels Bruxelles-National

$677

Find similar

Icelandair flights from Brussels to Chicago

Our best Icelandair deals on Brussels to Chicago flight tickets

Icelandair

May 14

BRU1:50 pmBrussels Bruxelles-National

11h 25m

1 stop

ORD6:15 pmChicago O'Hare Intl

May 25

ORD10:15 pmChicago O'Hare Intl

31h 35m

1 stop

BRU12:50 pmBrussels Bruxelles-National

$555

Find similar

Icelandair

Apr 21

BRU1:50 pmBrussels Bruxelles-National

11h 25m

1 stop

ORD6:15 pmChicago O'Hare Intl

May 3

ORD7:25 pmChicago O'Hare Intl

10h 25m

1 stop

BRU12:50 pmBrussels Bruxelles-National

$671

Find similar

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

Prices

Airlines

Other information

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 November is your next best option. Flight prices from Brussels 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 $777. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Brussels to Chicago for around $899.

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 in the morning when prices are around $825.

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 17 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $702 when searching 17 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 $628 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

Best Price Found	$265
Fastest flight time	8h 40m
Direct flights	Every day
Airports in Chicago	2 airports

The best one-way flight to Chicago from Brussels in the past 72 hours is $265. The best round-trip flight deal from Brussels to Chicago found on momondo in the last 72 hours is $465.

The fastest flight from Brussels to Chicago takes 8h 40m

Direct flights go from Brussels to Chicago every day.

There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

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How far is Brussels to Chicago by plane?
Brussels and Chicago are 4136.1 mi apart from one another. Typically, this will take 8h 40m 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?
The number of operators available for flights from Brussels to Chicago is 3 as of April 2025.
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
Lufthansa	PriceFrom $579	Free Cancellation	Rating 6.7 6,961 reviews	Search Lufthansa flights
Brussels Airlines	PriceFrom $592	Free Cancellation	Rating 7.3 345 reviews	Search Brussels Airlines flights
United Airlines	PriceFrom $599	Free Cancellation	Rating 7.4 8,615 reviews	Search United Airlines flights

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Lansing

Saint Joseph

Schererville

Valparaiso

Munster

Crown Point

Monticello

Chesterton

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Porter

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.