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$254+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:20 pmORD - BRU
1 stop12h 10mScandinavian Airlines
Sun 2/157:45 pmBRU - ORD
2 stops28h 00mScandinavian Airlines
Deal found 12/13$717
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:50 pmORD - BRU
1 stop10h 45mAer Lingus
Sun 1/1110:15 amBRU - ORD
1 stop16h 00mAer Lingus
Deal found 12/15$860
This Scandinavian Airlines deal was found by Cheapflights users on 12/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:20 pmORD - BRU
2 stops32h 15mScandinavian Airlines
Sun 1/116:55 pmBRU - ORD
2 stops28h 50mScandinavian Airlines
Deal found 12/15$879
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:55 pmORD - BRU
2 stops28h 40mLOT
Sun 1/117:40 pmBRU - ORD
2 stops31h 15mLOT
Deal found 12/15$888
This Scandinavian Airlines deal was found by Cheapflights users on 12/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:20 pmORD - BRU
1 stop17h 30mScandinavian Airlines
Sun 1/116:55 pmBRU - ORD
2 stops28h 50mScandinavian Airlines
Deal found 12/15$907
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:55 pmORD - BRU
1 stop18h 00mLOT
Sun 1/117:40 pmBRU - ORD
2 stops31h 15mLOT
Deal found 12/15$924
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:30 pmORD - BRU
2 stops32h 10mScandinavian Airlines
Fri 12/263:10 pmBRU - ORD
1 stop32h 35mScandinavian Airlines
Deal found 12/12$955
This Mytrip deal was found by Cheapflights users on 12/15. 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.
Sun 12/286:50 pmORD - BRU
3 stops30h 45mMultiple Airlines
Sun 1/111:25 pmBRU - ORD
3 stops40h 17mMultiple Airlines
Deal found 12/15$987
This Mytrip deal was found by Cheapflights users on 12/15. 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.
Sat 12/276:30 pmORD - BRU
3 stops32h 05mMultiple Airlines
Sun 1/111:25 pmBRU - ORD
3 stops40h 17mMultiple Airlines
Deal found 12/15$1,039
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:55 pmORD - BRU
1 stop28h 40mLOT
Sun 12/287:40 pmBRU - ORD
2 stops31h 15mLOT
Deal found 12/15$1,041
This Mytrip deal was found by Cheapflights users on 12/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:40 pmORD - CRL
2 stops19h 35mMultiple Airlines
Sat 1/176:45 pmCRL - ORD
2 stops27h 00mMultiple Airlines
Deal found 12/13$1,074
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/143:50 pmORD - CRL
1 stop13h 55mMultiple Airlines
Tue 12/236:20 amCRL - ORD
2 stops39h 40mMultiple Airlines
Deal found 12/14$1,141

Find flight deals from Chicago to Belgium

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

Round-trip from

$453
(CrystalTravel)

One-way from

$254
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$726

Good round-trip deal

$928 or less

Good one-way deal

$635 or less
From Chicago (CHI) to Belgium
Search Deals
One-way flight from Chicago (CHI) to Belgium
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($317 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Belgium.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Belgium.
Search Deals

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 December 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

Fri 2/20

7:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

Sun 3/8

10:20 am-5:45 pm

1 stop13h 25m

$472

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 1/28

7:20 pm-6:40 pm

2 stops16h 20m

Brussels Bruxelles-National

Wed 2/4

7:20 pm-4:45 pm

2 stops28h 25m

$473

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 1/15

7:20 pm-2:30 pm

1 stop12h 10m

Brussels Bruxelles-National

Mon 1/19

10:20 am-4:45 pm

1 stop13h 25m

$489

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 2/23

7:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

Fri 2/27

7:15 pm-4:45 pm

1 stop28h 30m

$493

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 1/28

7:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

Sun 2/8

8:30 pm-4:45 pm

1 stop27h 15m

$500

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 1/31

7:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

Thu 2/5

10:20 am-4:45 pm

1 stop13h 25m

$500

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 1/28

7:20 pm-2:30 pm

1 stop12h 10m

Brussels Bruxelles-National

Tue 2/3

11:30 am-4:45 pm

2 stops36h 15m

$504

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Fri 1/30

8:15 pm-9:15 pm

1 stop18h 00m

Charleroi Brussels

Sat 2/7

9:40 pm-2:45 pm

1 stop24h 05m

$583

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 2/1

8:00 am-6:15 pm

2 stops27h 15m

Charleroi Brussels

Tue 2/10

3:30 pm-1:10 pm

2 stops28h 40m

$600

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Wed 1/28

7:10 pm-4:05 pm

1 stop13h 55m

Charleroi Brussels

Wed 2/4

7:00 am-3:00 pm

1 stop15h 00m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 51 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 December 15, 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.

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 December 15, 2025.

The most flights from CHI to BE0 are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 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 December 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
1,606 reviews

Crew

8.0

Overall

7.4

Comfort

7.3

Entertainment

6.7

Food

6.7

Boarding

7.6

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
1,606 reviews
Scandinavian Airlines
7.4
Good
1,606 reviews

Crew

8.0

Overall

7.4

Comfort

7.3

Entertainment

6.7

Food

6.7

Boarding

7.6

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
9,092 reviews
Scandinavian Airlines
7.4
Good
1,606 reviews

Crew

8.0

Overall

7.4

Comfort

7.3

Entertainment

6.7

Food

6.7

Boarding

7.6

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
4,100 reviews
Scandinavian Airlines
7.4
Good
1,606 reviews

Crew

8.0

Overall

7.4

Comfort

7.3

Entertainment

6.7

Food

6.7

Boarding

7.6

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
1,394 reviews
Scandinavian Airlines
7.4
Good
1,606 reviews

Crew

8.0

Overall

7.4

Comfort

7.3

Entertainment

6.7

Food

6.7

Boarding

7.6

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
7.0
Good
590 reviews
Scandinavian Airlines
7.4
Good
1,606 reviews

Crew

8.0

Overall

7.4

Comfort

7.3

Entertainment

6.7

Food

6.7

Boarding

7.6

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 13h 13m. Fly via Scandinavian Airlines, Delta, or Air France 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 SWISS (63%), Qatar Airways (50%) or Air Canada (47%) 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 $410. While the most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National) can be booked for $408 on average, our data indicates $952 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

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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 7 airlines flying from Chicago to Belgium

Discover the top 7 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$298Average$488FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$428Average$605FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$445Average$463FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$492Average$793FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$536Average$751FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$551Average$692FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$590Average$1,039FlexibilityNo cancel feeOn-time69%

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