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$231+ Cheap flights from Chicago (CHI) to Belgium

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Chicago to Belgium

Keep the following information in mind while searching for Chicago to Belgium flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$412
(FlightHub)

One-way from

$231
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$578

Good round-trip deal

$863 or less

Good one-way deal

$612 or less
From Chicago (CHI) to Belgium
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One-way flight from Chicago (CHI) to Belgium
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Highest demand for flights based on searches. 26% potential increase in price ($288 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Belgium.
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Price to beat on a one-way flight from Chicago (CHI) to Belgium.
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Find flight deals from Chicago to Belgium

Cheapest flights from Chicago to Belgium
Explore the most affordable flight options available from Chicago to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1810:30 amORD - BRU
2 stops21h 00mScandinavian Airlines
dom. 11/2310:20 amBRU - ORD
1 stop13h 25mScandinavian Airlines
Deal found 9/13$412
This Flighttix deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/287:05 amORD - BRU
2 stops30h 45mScandinavian Airlines
mar. 11/411:30 amBRU - ORD
2 stops36h 15mScandinavian Airlines
Deal found 9/13$433
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/57:20 pmORD - BRU
1 stop17h 30mScandinavian Airlines
mar. 12/97:20 pmBRU - ORD
2 stops28h 25mScandinavian Airlines
Deal found 9/12$449
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1810:35 amORD - BRU
2 stops20h 55mScandinavian Airlines
jue. 11/2711:30 amBRU - ORD
2 stops36h 15mScandinavian Airlines
Deal found 9/14$450
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/87:20 pmORD - BRU
2 stops15h 55mScandinavian Airlines
sáb. 11/158:30 pmBRU - ORD
1 stop27h 15mScandinavian Airlines
Deal found 9/14$455
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/287:20 pmORD - BRU
2 stops33h 35mScandinavian Airlines
dom. 12/78:30 pmBRU - ORD
1 stop27h 15mScandinavian Airlines
Deal found 9/13$456
This SmartFares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/77:05 amORD - BRU
2 stops19h 35mScandinavian Airlines
mar. 10/288:30 pmBRU - ORD
1 stop30h 35mScandinavian Airlines
Deal found 9/12$457
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/67:20 pmORD - BRU
1 stop17h 30mScandinavian Airlines
dom. 11/910:20 amBRU - ORD
1 stop13h 25mScandinavian Airlines
Deal found 9/15$458
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/33:35 pmORD - CRL
2 stops22h 25mMultiple Airlines
mar. 11/116:20 amCRL - ORD
2 stops20h 40mMultiple Airlines
Deal found 9/14$537
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/96:30 pmORD - CRL
2 stops20h 50mMultiple Airlines
mar. 11/186:20 amCRL - ORD
2 stops18h 00mMultiple Airlines
Deal found 9/15$543
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/810:40 amORD - CRL
3 stops27h 00mMultiple Airlines
mar. 10/146:50 pmCRL - ORD
2 stops28h 05mMultiple Airlines
Deal found 9/15$571
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/154:00 pmORD - CRL
2 stops20h 25mMultiple Airlines
mié. 10/227:20 amCRL - ORD
2 stops19h 35mMultiple Airlines
Deal found 9/15$628

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Belgium 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Chicago to Belgium that are best for you.

Fly from

Chicago

Fly to

Belgium

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

sáb. 1/31

10:40 am-2:30 pm

2 stops20h 50m

Brussels Bruxelles-National

mar. 2/3

8:30 pm-4:45 pm

1 stop27h 15m

$450

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

vie. 1/30

10:40 am-9:40 am

2 stops16h 00m

Brussels Bruxelles-National

jue. 2/5

10:20 am-4:45 pm

1 stop13h 25m

$450

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

lun. 11/10

7:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

sáb. 11/15

8:30 pm-4:45 pm

1 stop27h 15m

$456

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mar. 1/27

10:40 am-9:40 am

2 stops16h 00m

Brussels Bruxelles-National

jue. 2/5

7:20 pm-4:45 pm

2 stops28h 25m

$457

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mié. 1/28

10:40 am-9:40 am

2 stops16h 00m

Brussels Bruxelles-National

vie. 2/6

7:20 pm-4:45 pm

2 stops28h 25m

$473

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

sáb. 1/31

10:40 am-9:40 am

2 stops16h 00m

Brussels Bruxelles-National

lun. 2/9

10:20 am-4:45 pm

1 stop13h 25m

$480

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mié. 1/28

10:40 am-9:40 am

2 stops16h 00m

Brussels Bruxelles-National

sáb. 2/7

10:20 am-4:45 pm

1 stop13h 25m

$480

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

jue. 10/30

8:50 pm-8:55 pm

2 stops18h 05m

Brussels Bruxelles-National

jue. 11/6

10:20 am-4:45 pm

1 stop13h 25m

$496

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mié. 1/28

7:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

dom. 2/8

10:20 am-4:55 pm

1 stop13h 35m

$522

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

dom. 3/1

7:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

jue. 3/5

8:30 pm-4:55 pm

1 stop27h 25m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 47 results
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Best time to book a flight from Chicago to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Belgium

What is the cheapest month to book a flight from Chicago to Belgium?

Currently, November is the cheapest month in which you can book a flight from Chicago to Belgium (average of $614). Flying from Chicago to Belgium in June is currently the most expensive (average of $1,077). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to BE?

Find hourly flight availability from Chicago to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

When flying from Chicago to Belgium, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Chicago to Belgium

Explore weekly flight availability from Chicago to Belgium. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 15, 2025.

The most flights from CHI to BE0 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated septiembre 15, 2025.
See what other customers who have flown with Scandinavian Airlines, United Airlines, and Turkish Airlines from Chicago to Belgium have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,484 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Scandinavian Airlines
7.4
Good
1,484 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
United Airlines
7.4
Good
8,929 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Turkish Airlines
7.3
Good
3,968 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Aer Lingus
7.2
Good
1,270 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Icelandair
7.0
Good
544 reviews
Scandinavian Airlines
7.4
Good
1,484 reviews

Comfort

7.3

Overall

7.4

Food

6.7

Boarding

7.7

Crew

8.0

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu

Related info for your journey

Find useful and relevant information for your journey from Chicago to Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago to Belgium?

    There are many flights that can get you from Chicago to Belgium in 15h 30m. Fly via Scandinavian Airlines or Delta to get the fastest option. There are 4148 mi between Chicago and Belgium. This flight may include one or multiple stops.

  • What are the most popular routes from Chicago to Belgium?

    When deciding which route to take from Chicago to Belgium consider Chicago O'Hare Intl - Brussels Bruxelles-National, Chicago Midway - Brussels Bruxelles-National or Chicago O'Hare Intl - Charleroi Brussels as they are the most popular.

  • What are the most reliable airlines from Chicago to Belgium?

    Consider Air Canada (28%), Austrian Airlines (28%) or Brussels Airlines (28%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Belgium.

  • What are the cheapest flights from Chicago to Belgium?

    Looking at all options, your cheapest flight can be booked for $536. While the most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National) can be booked for $412 on average, our data indicates $2,391 when flying from Chicago to Belgium.

  • Can I find deals for flights from Chicago to Belgium that include hotel bookings?

    Yes. In addition to deals on Chicago to Belgium flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Belgium?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Belgium.

  • Can I find deals for business class flights from Chicago to Belgium?

    Yes. Cheapflights offers flight deals from Chicago to Belgium by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Belgium?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Belgium (average of $614). Flying from Chicago to Belgium in June is currently the most expensive (average of $1,077). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chicago to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Chicago to Belgium

Discover the top 8 airlines that operate flights from Chicago to Belgium. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$312Average$493FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$405Average$561FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$492Average$811FlexibilityNo cancel feeOn-time77%
KLMCheapest$506Average$828FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$536Average$779FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$542Average$890FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$590Average$1,035FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$728Average$1,110FlexibilityNo cancel feeOn-time76%

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