What airlines fly to Chicago?

United Airlines, Lufthansa and Brussels Airlines are the top three most popular airlines that fly to Chicago from Belgium according to our data. United Airlines is the first choice among our users, with 56% 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 Belgium to Chicago on average per day?

6 flights are operational daily from Belgium to Chicago as of July 2025. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.

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

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

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

American Airlines, Finnair, and British Airways are the most popular carriers operating from Belgium to Chicago

When did momondo last update prices for flights from Belgium to Chicago?

Prices for flights from Belgium to Chicago refresh daily.

How many operators does momondo search for flights from Belgium to Chicago?

There are 3 operators available for flights from Belgium to Chicago as of July 2025.

How old do you have to be to fly from Belgium to Chicago?

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 Belgium to Chicago.

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

The necessary travel and health documents for your Chicago 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.

$309 Cheap Flights from Belgium to Chicago in 2025

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Find the cheapest flights from Belgium to Chicago

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Belgium to Chicago

10:20 am - 7:00 pmBRU-ORD

15h 40m1 stop

3:45 pm - 9:40 amORD-BRU

10h 55m1 stop

$457Aer Lingus

Find Deal

Sat, Sep 20 - Sat, Oct 4

9:15 pm - 5:00 pmBRU-ORD

26h 45m1 stop

10:35 pm - 9:55 amORD-BRU

28h 20m1 stop

$480British Airways

Find Deal

Mon, Aug 11 - Mon, Aug 18

9:15 pm - 5:00 pmBRU-ORD

26h 45m1 stop

8:35 pm - 6:00 pmORD-BRU

14h 25m1 stop

$484British Airways

Find Deal

Mon, Aug 11 - Sun, Aug 24

10:15 am - 5:55 pmBRU-ORD

14h 40m1 stop

7:40 pm - 8:10 pmORD-BRU

17h 30m1 stop

$488Aer Lingus

Find Deal

Thu, Nov 6 - Thu, Nov 13

1:50 pm - 6:15 pmBRU-ORD

11h 25m1 stop

10:15 pm - 12:50 pmORD-BRU

31h 35m1 stop

$516Icelandair

Find Deal

Wed, Aug 27 - Wed, Sep 3

10:40 am - 5:00 pmBRU-ORD

13h 20m1 stop

8:35 pm - 6:00 pmORD-BRU

14h 25m1 stop

$521American Airlines

Find Deal

Mon, Aug 11 - Sun, Aug 24

10:40 am - 10:59 pmBRU-ORD

19h 19m2 stops

8:35 pm - 8:25 pmORD-BRU

16h 50m1 stop

$527American Airlines

Find Deal

Mon, Aug 11 - Sun, Aug 24

1:50 pm - 9:15 pmBRU-ORD

14h 25m1 stop

10:15 pm - 12:50 pmORD-BRU

31h 35m1 stop

$528Icelandair

Find Deal

Tue, Aug 26 - Tue, Sep 2

10:25 am - 2:40 pmBRU-ORD

11h 15m1 stop

1:00 pm - 8:40 amORD-BRU

12h 40m1 stop

$543KLM

Find Deal

Wed, Sep 10 - Wed, Sep 24

10:25 am - 2:40 pmBRU-ORD

11h 15m1 stop

1:00 pm - 8:40 amORD-BRU

12h 40m1 stop

$544KLM

Find Deal

Wed, Sep 10 - Wed, Sep 24

Aer Lingus flights from Belgium to Chicago

Our best Aer Lingus deals on Belgium to Chicago flight tickets

Aer Lingus

Sep 20

BRU10:20 amBrussels Bruxelles-National

15h 40m

1 stop

ORD7:00 pmChicago O'Hare Intl

Oct 4

ORD3:45 pmChicago O'Hare Intl

10h 55m

1 stop

BRU9:40 amBrussels Bruxelles-National

$457

Find similar

Aer Lingus

Nov 6

BRU10:15 amBrussels Bruxelles-National

14h 40m

1 stop

ORD5:55 pmChicago O'Hare Intl

Nov 13

ORD7:40 pmChicago O'Hare Intl

17h 30m

1 stop

BRU8:10 pmBrussels Bruxelles-National

$488

Find similar

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

$490

Find similar

KLM flights from Belgium to Chicago

Our best KLM deals on Belgium to Chicago flight tickets

KLM

Sep 10

BRU10:25 amBrussels Bruxelles-National

11h 15m

1 stop

ORD2:40 pmChicago O'Hare Intl

Sep 24

ORD1:00 pmChicago O'Hare Intl

12h 40m

1 stop

BRU8:40 amBrussels Bruxelles-National

$543

Find similar

KLM

Sep 10

BRU10:25 amBrussels Bruxelles-National

11h 15m

1 stop

ORD2:40 pmChicago O'Hare Intl

Sep 24

ORD1:00 pmChicago O'Hare Intl

12h 40m

1 stop

BRU8:40 amBrussels Bruxelles-National

$544

Find similar

KLM

Sep 12

BRU10:25 amBrussels Bruxelles-National

10h 45m

1 stop

ORD2:10 pmChicago O'Hare Intl

Sep 26

ORD4:15 pmChicago O'Hare Intl

15h 20m

1 stop

BRU2:35 pmBrussels Bruxelles-National

$545

Find similar

How to get the cheapest flight ticket from Belgium 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 Belgium, with most prices found around $526. If you’re not able to fly to Chicago in February, then November is your next best option. Flight prices from Belgium to Chicago during November average around $590.

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 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. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Belgium to Chicago for around $821.

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 Belgium 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 Belgium to Chicago flight route?

Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Belgium - 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 Belgium when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $671 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Belgium for as low as $577 on momondo.

What cabin class options are available on Belgium to Chicago flights?

There are 3 cabin classes available to choose from on Belgium 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 Belgium to Chicago flights?

You could potentially save up to 23% on your flight if you consider stops on a Belgium to Chicago flight.

Cheap Belgium to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belgium to Chicago

Best Price Found	$309
Fastest flight time	10h 45m
Direct flights	Every day
Airports in Chicago	2 airports

The best one-way flight to Chicago from Belgium in the past 72 hours is $309. The best round-trip flight deal from Belgium to Chicago found on momondo in the last 72 hours is $457.

The fastest flight from Belgium to Chicago takes 10h 45m

Direct flights go from Belgium to Chicago every day.

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

Search flight deals

When did momondo last update prices for flights from Belgium to Chicago?
Prices for flights from Belgium to Chicago refresh daily.
How many operators does momondo search for flights from Belgium to Chicago?
There are 3 operators available for flights from Belgium to Chicago as of July 2025.
How old do you have to be to fly from Belgium to Chicago?
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 Belgium to Chicago.
What documentation or ID do you need to fly to Chicago?
The necessary travel and health documents for your Chicago 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 Belgium to Chicago?
Based on momondo bookings for flights between Belgium and Chicago, the leading plane model is Boeing 787-10 Dreamliner, making up 37.23% of the total bookings. Other popular models include Boeing 787 Dreamliner with 34.57%, Boeing 737 MAX 8 with 4.39%, and Boeing 777-200/200ER with 2.93%.

Best airlines flying from Belgium to Chicago

Compare and see reviews for airlines that fly from Belgium to Chicago with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $576	Free Cancellation	Rating 7.4 8,856 reviews	Search United Airlines flights
Lufthansa	PriceFrom $579	Free Cancellation	Rating 6.8 7,205 reviews	Search Lufthansa flights
Brussels Airlines	PriceFrom $592	Free Cancellation	Rating 7.3 350 reviews	Search Brussels Airlines flights

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New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Crown Point

Munster

Monticello

Chesterton

Porter

Griffith

Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Belgium to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belgium to Chicago. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Belgium to Chicago with flexible booking policies on momondo?

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

How can momondo help me find flights from Belgium to Chicago?

momondo helps you find the best flight between Belgium and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Belgium to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Belgium 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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Cheap flights from Belgium to Chicago from $309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belgium to Chicago departing on 10/9. 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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Filter for what you want

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Find the cheapest flights from Belgium to Chicago

Recent round-trip flight deals from Belgium to Chicago

Recent one-way flight deals from Belgium to Chicago

Recent last minute flight deals from Belgium to Chicago

Recent direct flight deals from Belgium to Chicago

Aer Lingus flights from Belgium to Chicago

Our best Aer Lingus deals on Belgium to Chicago flight tickets

KLM flights from Belgium to Chicago

Our best KLM deals on Belgium to Chicago flight tickets

See travel insights to Chicago from

How to get the cheapest flight ticket from Belgium 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 cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Belgium, with most prices found around $526. If you’re not able to fly to Chicago in February, then November is your next best option. Flight prices from Belgium to Chicago during November average around $590.

What is the cheapest day to depart on your flight to Chicago?

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 Belgium 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 Belgium to Chicago flight route?

Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Belgium - Chicago flight prices

How far in advance should I book a flight to Chicago?

What cabin class options are available on Belgium to Chicago flights?

There are 3 cabin classes available to choose from on Belgium 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 Belgium to Chicago flights?

You could potentially save up to 23% on your flight if you consider stops on a Belgium to Chicago flight.

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

American Airlines, Finnair, and British Airways are the most popular carriers operating from Belgium to Chicago

What airlines fly to Chicago?

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

6 flights are operational daily from Belgium to Chicago as of July 2025. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.

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

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

Cheap Belgium to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belgium to Chicago

Best Price Found

Fastest flight time

Direct flights

Airports in Chicago

When did momondo last update prices for flights from Belgium to Chicago?

How many operators does momondo search for flights from Belgium to Chicago?

How old do you have to be to fly from Belgium to Chicago?

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

What is the most popular plane model from Belgium to Chicago?

Best airlines flying from Belgium to Chicago

Compare and see reviews for airlines that fly from Belgium to Chicago with momondo

Traveling to a place near Chicago?

Why use momondo?

Why should I use momondo to find a flight deal from Belgium to Chicago?

Can I find flights from Belgium to Chicago with flexible booking policies on momondo?

How can momondo help me find flights from Belgium to Chicago?

I’m not ready to book a flight from Belgium to Chicago right now. Can momondo alert me if prices change?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago