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$250+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
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 octubre 30, 2025.

Round-trip from

$411
(Cheapflightsfares)

One-way from

$250
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$600

Good round-trip deal

$981 or less

Good one-way deal

$805 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. 25% potential increase in price ($281 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
dom. 12/77:10 amORD - BRU
2 stops19h 30mScandinavian Airlines
dom. 12/147:45 pmBRU - ORD
2 stops28h 00mScandinavian Airlines
Deal found 10/30$418
This FlightHub deal was found by Cheapflights users on 10/29. 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.
vie. 11/288:15 pmORD - BRU
1 stop20h 35mTAP AIR PORTUGAL
dom. 12/76:00 amBRU - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 10/29$445
This FlightHub deal was found by Cheapflights users on 10/29. 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. 12/67:20 pmORD - BRU
2 stops56h 30mScandinavian Airlines
mar. 12/97:20 pmBRU - ORD
2 stops52h 25mScandinavian Airlines
Deal found 10/29$455
This oojo deal was found by Cheapflights users on 10/29. 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. 12/37:10 pmORD - BRU
1 stop14h 55mTAP AIR PORTUGAL
dom. 1/186:00 amBRU - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 10/29$456
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
vie. 11/287:20 pmORD - BRU
1 stop12h 10mScandinavian Airlines
vie. 12/510:20 amBRU - ORD
1 stop13h 25mScandinavian Airlines
Deal found 10/29$458
This CrystalTravel deal was found by Cheapflights users on 10/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/57:20 pmORD - BRU
1 stop12h 10mScandinavian Airlines
dom. 1/187:45 pmBRU - ORD
2 stops28h 00mScandinavian Airlines
Deal found 10/29$459
This oojo deal was found by Cheapflights users on 10/29. 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.
dom. 11/307:20 pmORD - BRU
1 stop17h 30mScandinavian Airlines
mié. 12/33:10 pmBRU - ORD
1 stop32h 35mScandinavian Airlines
Deal found 10/29$461
This Mytrip deal was found by Cheapflights users on 10/29. 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. 11/307:20 pmORD - BRU
2 stops18h 35mScandinavian Airlines
mar. 12/97:20 pmBRU - ORD
2 stops52h 25mScandinavian Airlines
Deal found 10/29$463
This oojo deal was found by Cheapflights users on 10/30. 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.
dom. 11/308:25 pmORD - BRU
1 stop13h 40mTAP AIR PORTUGAL
mar. 12/911:50 amBRU - ORD
1 stop34h 10mTAP AIR PORTUGAL
Deal found 10/30$465
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/309:55 pmORD - CRL
2 stops17h 50mMultiple Airlines
mar. 12/98:55 amCRL - ORD
1 stop18h 05mMultiple Airlines
Deal found 10/29$625
This Mytrip deal was found by Cheapflights users on 10/29. 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.
vie. 11/284:20 pmORD - CRL
2 stops19h 55mMultiple Airlines
vie. 12/59:05 pmCRL - ORD
2 stops23h 05mMultiple Airlines
Deal found 10/29$642
This Mytrip deal was found by Cheapflights users on 10/30. 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. 11/167:05 amORD - CRL
3 stops32h 40mMultiple Airlines
dom. 11/238:55 amCRL - ORD
2 stops18h 10mMultiple Airlines
Deal found 10/30$728

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 octubre 30, 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

dom. 3/1

7:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

jue. 3/5

7:15 pm-4:55 pm

1 stop28h 40m

$479

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

vie. 11/28

7:20 pm-11:55 am

2 stops33h 35m

Brussels Bruxelles-National

dom. 12/7

7:45 pm-4:45 pm

2 stops28h 00m

$488

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

vie. 11/28

4:20 pm-7:15 pm

2 stops19h 55m

Charleroi Brussels

vie. 12/5

9:05 pm-1:10 pm

2 stops23h 05m

$642

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mié. 11/12

7:20 pm-6:40 pm

2 stops16h 20m

Brussels Bruxelles-National

sáb. 11/15

10:20 am-9:27 pm

2 stops18h 07m

$655

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

dom. 11/30

9:50 pm-10:20 pm

2 stops17h 30m

Charleroi Brussels

mar. 12/9

6:20 am-6:25 pm

2 stops19h 05m

$663

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

dom. 2/8

4:20 pm-5:45 pm

2 stops18h 25m

Charleroi Brussels

sáb. 2/14

8:55 pm-1:10 pm

2 stops23h 15m

$705

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

dom. 11/16

7:05 am-10:45 pm

3 stops32h 40m

Charleroi Brussels

dom. 11/23

8:55 am-8:05 pm

2 stops18h 10m

$728

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

jue. 11/20

7:05 am-12:35 pm

3 stops22h 30m

Charleroi Brussels

lun. 11/24

1:10 pm-4:20 pm

2 stops34h 10m

$738

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

mié. 12/3

7:10 pm-8:55 pm

2 stops18h 45m

Charleroi Brussels

dom. 1/18

8:55 am-1:50 pm

3 stops35h 55m

$738

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mié. 1/28

5:50 pm-1:15 pm

1 stop12h 25m

Brussels Bruxelles-National

vie. 2/6

10:10 am-12:10 pm

Nonstop9h 00m

$748

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 46 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, September is the cheapest month in which you can book a flight from Chicago to Belgium (average of $293). Flying from Chicago to Belgium in August is currently the most expensive (average of $496). 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 octubre 30, 2025.

When flying from Chicago to Belgium, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 41% versus a flight at noon.

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 octubre 30, 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
1,548 reviews

Boarding

7.6

Crew

8.0

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

6.6

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
1,548 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Boarding

7.6

Crew

8.0

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

6.6

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
8,996 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Boarding

7.6

Crew

8.0

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

6.6

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
4,033 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Boarding

7.6

Crew

8.0

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

6.6

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
1,365 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Boarding

7.6

Crew

8.0

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

6.6

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
7.1
Good
562 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Boarding

7.6

Crew

8.0

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

6.6

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 12h 35m. 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 (65%), Austrian Airlines (65%) or Brussels Airlines (65%) 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 $618. While the most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National) can be booked for $451 on average, our data indicates $2,522 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, September is the cheapest month in which you can book a flight from Chicago to Belgium (average of $293). Flying from Chicago to Belgium in August is currently the most expensive (average of $496). 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

Browse thousands of different options on Cheapflights for your next trip

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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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$310Average$489FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$428Average$588FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$492Average$807FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$536Average$775FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$551Average$692FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$590Average$1,035FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$744Average$890FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$754Average$1,641FlexibilityNo cancel feeOn-time76%

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