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

Icelandair, TAP AIR PORTUGAL, and Scandinavian Airlines are the most popular carriers operating from Chicago to Belgium

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

As of July 2025, there are 5 flights per day flying from Chicago to Belgium. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

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

As of July 2025, 35 flights take off from Chicago and land in Belgium each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

What airlines fly to Belgium?

Scandinavian Airlines, United Airlines and Aer Lingus are the top three most popular airlines that fly to Belgium from Chicago according to our data. Scandinavian Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Belgium. Keep in mind that there are 10 different airlines that fly to Belgium on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Chicago to Belgium were last updated today.

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

The number of operators available for flights from Chicago to Belgium is 10 as of July 2025.

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

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 Chicago to Belgium.

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

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

$246 Cheap Flights from Chicago to Belgium in 2025

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Find the cheapest flights from Chicago to Belgium

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:15 pm - 9:40 amORD-BRU

31h 25m1 stop

9:20 pm - 4:10 pmBRU-ORD

25h 50m2 stops

$323Scandinavian Airlines

Find Deal

Thu, Oct 2 - Sun, Oct 19

7:20 pm - 2:30 pmORD-BRU

12h 10m1 stop

10:20 am - 4:45 pmBRU-ORD

13h 25m1 stop

$334Scandinavian Airlines

Find Deal

Thu, Nov 13 - Wed, Nov 19

7:20 pm - 2:30 pmORD-BRU

12h 10m1 stop

7:20 pm - 4:45 pmBRU-ORD

52h 25m2 stops

$336Scandinavian Airlines

Find Deal

Wed, Dec 31 - Tue, Jan 6

7:25 pm - 12:50 pmORD-BRU

10h 25m1 stop

1:50 pm - 9:15 pmBRU-ORD

14h 25m1 stop

$420Icelandair

Find Deal

Sat, Sep 6 - Fri, Sep 12

9:15 pm - 4:30 pmORD-CRL

12h 15m1 stop

7:35 am - 2:00 pmCRL-ORD

13h 25m1 stop

$597

Find Deal

Sun, Aug 10 - Tue, Aug 19

3:35 pm - 4:30 pmORD-CRL

17h 55m2 stops

7:35 am - 3:04 pmCRL-ORD

14h 29m2 stops

$638

Find Deal

Sun, Aug 10 - Tue, Aug 19

10:35 am - 8:40 amMDW-BRU

15h 05m1 stop

11:00 am - 9:44 pmBRU-MDW

17h 44m2 stops

$661Delta

Find Deal

Tue, Oct 14 - Thu, Nov 6

10:31 am - 8:40 amMDW-BRU

15h 09m1 stop

10:45 am - 9:26 pmBRU-MDW

17h 41m1 stop

$686KLM

Find Deal

Tue, Sep 2 - Wed, Sep 10

9:25 am - 9:40 amMDW-BRU

17h 15m2 stops

10:45 am - 9:44 pmBRU-MDW

17h 59m2 stops

$706Delta

Find Deal

Sun, Aug 10 - Tue, Aug 19

11:00 am - 8:40 amMDW-BRU

14h 40m1 stop

10:45 am - 5:35 pmBRU-MDW

13h 50m1 stop

$736KLM

Find Deal

Sat, Sep 13 - Wed, Oct 1

KLM flights from Chicago to Belgium

Our best KLM deals on Chicago to Belgium flight tickets

KLM

Sep 2

MDW10:31 amChicago Midway

15h 09m

1 stop

BRU8:40 amBrussels Bruxelles-National

Sep 10

BRU10:45 amBrussels Bruxelles-National

17h 41m

1 stop

MDW9:26 pmChicago Midway

$686

Find similar

KLM

Sep 13

MDW11:00 amChicago Midway

14h 40m

1 stop

BRU8:40 amBrussels Bruxelles-National

Oct 1

BRU10:45 amBrussels Bruxelles-National

13h 50m

1 stop

MDW5:35 pmChicago Midway

$736

Find similar

KLM

Oct 2

MDW12:43 pmChicago Midway

12h 57m

1 stop

BRU8:40 amBrussels Bruxelles-National

Oct 19

BRU10:45 amBrussels Bruxelles-National

17h 59m

1 stop

MDW9:44 pmChicago Midway

$997

Find similar

Virgin Atlantic flights from Chicago to Belgium

Our best Virgin Atlantic deals on Chicago to Belgium flight tickets

Virgin Atlantic

Sep 14

MDW10:35 amChicago Midway

15h 05m

2 stops

BRU8:40 amBrussels Bruxelles-National

Oct 1

BRU10:45 amBrussels Bruxelles-National

13h 50m

1 stop

MDW5:35 pmChicago Midway

$691

Find similar

Virgin Atlantic

Aug 13

MDW10:31 amChicago Midway

15h 09m

2 stops

BRU8:40 amBrussels Bruxelles-National

Aug 24

BRU10:45 amBrussels Bruxelles-National

17h 59m

1 stop

MDW9:44 pmChicago Midway

$711

Find similar

Virgin Atlantic

Aug 22

MDW10:31 amChicago Midway

15h 09m

2 stops

BRU8:40 amBrussels Bruxelles-National

Aug 29

BRU10:45 amBrussels Bruxelles-National

17h 59m

1 stop

MDW9:44 pmChicago Midway

$741

Find similar

How to get the cheapest flight ticket from Chicago to Belgium

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 Belgium?

In general, October is the cheapest month to fly from Chicago to Belgium. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $570. If you are unable to visit Belgium during the month of October, then departing from Chicago during the month April is also very affordable. Most momondo users find prices during this month for around $573.

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

Our data shows that Monday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $1,090. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,272. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is in the evening. Flights from Chicago to Belgium during this time can be as low as $622. Flights to Belgium are more costly in the afternoon, with an average ticket price of $1,176. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago to Belgium flight route?

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

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

You are more likely to see cheaper flights to Belgium from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $808 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Chicago for as low as $610 on momondo.

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

There are 3 cabin classes available to choose from on Chicago to Belgium flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Chicago to Belgium flight deals and tips

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

Best Price Found	$246
Fastest flight time	8h 00m
Direct flights	Every day
Airports in Belgium	2 airports

The best one-way flight to Belgium from Chicago in the past 72 hours is $246. The best round-trip flight deal from Chicago to Belgium found on momondo in the last 72 hours is $323.

The fastest flight from Chicago to Belgium takes 8h 00m

Direct flights go from Chicago to Belgium every day.

There are 2 airports near Belgium: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)

Search flight deals

When did momondo last update prices for flights from Chicago to Belgium?
Prices for flights from Chicago to Belgium were last updated today.
How many operators does momondo search for flights from Chicago to Belgium?
The number of operators available for flights from Chicago to Belgium is 10 as of July 2025.
How old do you have to be to fly from Chicago to Belgium?
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 Chicago to Belgium.
What documentation or ID do you need to fly to Belgium?
The travel and health documents required for your trip to Belgium 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 Belgium. 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 Chicago to Belgium?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Belgium is Boeing 787 Dreamliner, representing 41.97% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 34.63%, Boeing 787-8 Dreamliner at 8.94%, and Boeing 787-9 Dreamliner at 2.98%.

Best airlines flying from Chicago to Belgium

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

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $312	Free Cancellation	Rating 7.3 1,419 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $405	Free Cancellation	Rating 7.0 514 reviews	Search Icelandair flights
Turkish Airlines	PriceFrom $492	Free Cancellation	Rating 7.3 3,896 reviews	Search Turkish Airlines flights
KLM	PriceFrom $506	Free Cancellation	Rating 7.8 1,372 reviews	Search KLM flights
TAP AIR PORTUGAL	PriceFrom $513	Free Cancellation	Rating 7.1 1,914 reviews	Search TAP AIR PORTUGAL flights
British Airways	PriceFrom $551	Free Cancellation	Rating 6.6 7,109 reviews	Search British Airways flights
Aer Lingus	PriceFrom $552	Free Cancellation	Rating 7.1 1,152 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $590	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
Lufthansa	PriceFrom $725	Free Cancellation	Rating 6.8 7,199 reviews	Search Lufthansa flights
Brussels Airlines	PriceFrom $813	Free Cancellation	Rating 7.3 351 reviews	Search Brussels Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belgium from Chicago.

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

All flight searches from Chicago to Belgium on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Belgium from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Belgium from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in Belgium

Flights to Brusselsfrom $291

Flights to Brusselsfrom $311

Flights to Ostend

Cheap flights from Chicago to Belgium from $246

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Belgium departing on 10/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from Chicago to Belgium

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

KLM flights from Chicago to Belgium

Our best KLM deals on Chicago to Belgium flight tickets

Virgin Atlantic flights from Chicago to Belgium

Our best Virgin Atlantic deals on Chicago to Belgium flight tickets

See travel insights to Belgium from

How to get the cheapest flight ticket from Chicago to Belgium

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 Belgium?

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

What is the cheapest time of day to depart on your flight to Belgium?

What is the cheapest Chicago to Belgium flight route?

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

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

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

There are 3 cabin classes available to choose from on Chicago to Belgium flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Icelandair, TAP AIR PORTUGAL, and Scandinavian Airlines are the most popular carriers operating from Chicago to Belgium

What airlines fly to Belgium?

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

As of July 2025, there are 5 flights per day flying from Chicago to Belgium. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

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

As of July 2025, 35 flights take off from Chicago and land in Belgium each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Cheap Chicago to Belgium flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Belgium

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

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

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

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

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

Best airlines flying from Chicago to Belgium

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

Why use momondo?

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

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

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

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

An easier way to manage your Belgium 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 Belgium

Popular cities in Belgium

Popular flights according to clicks in the last 7 days on momondo