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$257+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$456
(oojo)

One-way from

$257
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$1,123

Good round-trip deal

$945 or less

Good one-way deal

$664 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. 14% potential increase in price ($144 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This oojo deal was found by Cheapflights users on 7/31. 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 11/287:20 pmORD - BRU
2 stops33h 35mScandinavian Airlines
Mon 12/810:20 amBRU - ORD
1 stop13h 25mScandinavian Airlines
Deal found 7/31$441
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/163:45 pmORD - BRU
1 stop10h 55mAer Lingus
Tue 9/2310:20 amBRU - ORD
1 stop15h 40mAer Lingus
Deal found 7/30$549
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 9/13:45 pmORD - CRL
1 stop12h 40mMultiple Airlines
Tue 9/97:35 amCRL - ORD
1 stop13h 25mMultiple Airlines
Deal found 7/31$632
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:31 amMDW - BRU
1 stop15h 09mDelta
Fri 8/2210:45 amBRU - MDW
1 stop14h 02mDelta
Deal found 7/31$832
This Virgin Atlantic deal was found by Cheapflights users on 7/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:35 amMDW - BRU
2 stops15h 25mVirgin Atlantic
Mon 12/811:00 amBRU - MDW
2 stops17h 44mVirgin Atlantic
Deal found 7/30$854
This KLM deal was found by Cheapflights users on 7/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1412:43 pmMDW - BRU
1 stop12h 57mKLM
Wed 8/2010:45 amBRU - MDW
1 stop14h 02mKLM
Deal found 7/31$882
This Icelandair deal was found by Cheapflights users on 7/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/263:25 pmMDW - BRU
2 stops14h 25mMultiple Airlines
Mon 9/11:50 pmBRU - MDW
2 stops16h 00mMultiple Airlines
Deal found 7/30$1,266

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 July 31, 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 11/28

7:20 pm-11:55 am

2 stops33h 35m

Brussels Bruxelles-National

Mon 12/8

10:20 am-4:45 pm

1 stop13h 25m

$441

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Mon 9/1

3:45 pm-11:25 am

1 stop12h 40m

Charleroi Brussels

Tue 9/9

7:35 am-2:00 pm

1 stop13h 25m

$632

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Tue 8/12

10:31 am-8:40 am

1 stop15h 09m

Brussels Bruxelles-National

Fri 8/22

10:45 am-5:47 pm

1 stop14h 02m

$832

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Mon 12/1

10:35 am-9:00 am

2 stops15h 25m

Brussels Bruxelles-National

Mon 12/8

11:00 am-9:44 pm

2 stops17h 44m

$854

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Thu 8/14

12:43 pm-8:40 am

1 stop12h 57m

Brussels Bruxelles-National

Wed 8/20

10:45 am-5:47 pm

1 stop14h 02m

$882

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Tue 8/26

3:25 pm-12:50 pm

2 stops14h 25m

Brussels Bruxelles-National

Mon 9/1

1:50 pm-10:50 pm

2 stops16h 00m

$1,266

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 9/27

6:15 pm-9:00 am

2 stops31h 45m

$257

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sat 9/27

6:15 pm-12:35 pm

2 stops35h 20m

$266

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Fri 10/3

9:48 am-9:30 pm

3 stops28h 42m

$274

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 9/27

6:15 pm-3:05 pm

1 stop13h 50m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 17 results
1
2

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 $1,081). 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 July 31, 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.

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 July 31, 2025.
See what other customers who have flown with Delta, KLM, and Austrian 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.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
823 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Chicago to Belgium one-way?

    $314 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Scandinavian Airlines and Icelandair, with prices starting from $365 and $464, respectively.

  • 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 (57%), Austrian Airlines (57%) or Brussels Airlines (57%) 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 $494. While the most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National) can be booked for $442 on average our data indicates $2,494 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 $1,081). 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$312Average$501FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$405Average$529FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$492Average$821FlexibilityNo cancel feeOn-time77%
KLMCheapest$506Average$828FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$513Average$890FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$536Average$766FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$590Average$1,032FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$728Average$1,065FlexibilityNo cancel feeOn-time76%

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