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$282+ Cheap flights from Chicago (CHI) to Brussels

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
avr. 2 — avr. 91
mer. 4/2
mer. 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Brussels are usually found in February or October, booked 87 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Chicago to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mars 28, 2025.

Round-trip from

$592
(Booking.com)

One-way from

$282
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$915
From Chicago (CHI) to Brussels
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One-way flight from Chicago (CHI) to Brussels
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Highest demand for flights based on searches. 24% potential increase in price ($278 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Chicago to Brussels

Cheapest flights from Chicago to Brussels
Explore the most affordable flight options available from Chicago to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mars 28, 2025.

This oojo deal was found by Cheapflights users on 3/27. 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.
mar. 11/2511:55 amORD - BRU
1 stop19h 25mTurkish Airlines
mer. 12/37:50 amBRU - ORD
1 stop33h 20mTurkish Airlines
Deal found 3/27$584
This oojo deal was found by Cheapflights users on 3/27. 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.
jeu. 11/207:30 pmORD - BRU
1 stop12h 50mScandinavian Airlines
dim. 11/306:55 pmBRU - ORD
2 stops28h 50mScandinavian Airlines
Deal found 3/27$589
This Mytrip deal was found by Cheapflights users on 3/28. 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. 5/57:15 pmORD - BRU
3 stops31h 30mMultiple Airlines
lun. 5/126:20 amBRU - ORD
2 stops16h 50mMultiple Airlines
Deal found 3/28$678
This Mytrip deal was found by Cheapflights users on 3/27. 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.
mar. 5/62:00 pmORD - CRL
2 stops25h 05mMultiple Airlines
mer. 5/145:15 pmCRL - ORD
2 stops33h 15mMultiple Airlines
Deal found 3/27$686
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/28. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/196:00 pmORD - BRU
1 stop22h 55mTAP AIR PORTUGAL
jeu. 10/238:55 pmBRU - ORD
1 stop26h 15mTAP AIR PORTUGAL
Deal found 3/28$691
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/255:55 pmORD - BRU
Nonstop8h 00mUnited Airlines
mer. 12/310:10 amBRU - ORD
Nonstop9h 05mUnited Airlines
Deal found 3/27$787
This FlightHub deal was found by Cheapflights users on 3/27. 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.
sam. 5/37:25 pmORD - BRU
1 stop10h 25mIcelandair
sam. 5/101:50 pmBRU - ORD
1 stop11h 25mIcelandair
Deal found 3/27$802
This Delta deal was found by Cheapflights users on 3/27. 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.
jeu. 11/279:30 amMDW - BRU
2 stops17h 40mDelta
dim. 12/710:45 amBRU - MDW
2 stops14h 43mDelta
Deal found 3/27$947
This KLM deal was found by Cheapflights users on 3/26. 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.
mar. 9/21:05 pmMDW - BRU
1 stop12h 35mKLM
mer. 9/1010:45 amBRU - MDW
1 stop14h 18mKLM
Deal found 3/26$1,102
This Virgin Atlantic deal was found by Cheapflights users on 3/25. 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.
sam. 9/201:05 pmMDW - BRU
1 stop12h 35mVirgin Atlantic
mar. 9/3010:45 amBRU - MDW
2 stops18h 02mVirgin Atlantic
Deal found 3/25$1,166
This Mytrip deal was found by Cheapflights users on 3/27. 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.
jeu. 5/19:40 amMDW - BRU
2 stops15h 10mMultiple Airlines
lun. 5/59:30 amBRU - MDW
2 stops14h 24mMultiple Airlines
Deal found 3/27$1,282

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Brussels 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 mars 28, 2025.
Use the filters below to find and compare flights from Chicago to Brussels that are best for you.

Fly from

Chicago

Fly to

Brussels

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

lun. 5/12

7:15 pm-6:15 pm

2 stops16h 00m

Brussels Bruxelles-National

mer. 5/21

7:00 pm-4:10 pm

2 stops28h 10m

$592

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

dim. 9/21

11:25 am-3:15 pm

1 stop20h 50m

Brussels Bruxelles-National

jeu. 10/9

6:50 pm-9:40 am

1 stop21h 50m

$604

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

lun. 5/5

7:15 pm-9:45 am

3 stops31h 30m

Brussels Bruxelles-National

lun. 5/12

6:20 am-4:10 pm

2 stops16h 50m

$678

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

mar. 5/6

2:00 pm-10:05 pm

2 stops25h 05m

Charleroi Brussels

mer. 5/14

5:15 pm-7:30 pm

2 stops33h 15m

$686

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

sam. 5/3

7:25 pm-12:50 pm

1 stop10h 25m

Brussels Bruxelles-National

sam. 5/10

1:50 pm-6:15 pm

1 stop11h 25m

$802

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mar. 5/6

8:45 am-3:05 pm

2 stops23h 20m

Brussels Bruxelles-National

mar. 5/13

8:55 pm-4:10 pm

1 stop26h 15m

$949

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

jeu. 4/10

9:40 pm-9:25 am

2 stops28h 45m

Brussels Bruxelles-National

lun. 4/14

1:25 pm-7:40 pm

1 stop13h 15m

$957

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

lun. 9/8

1:00 pm-8:40 am

2 stops12h 40m

Brussels Bruxelles-National

mer. 11/12

8:05 am-6:28 pm

2 stops17h 23m

$979

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

mar. 9/2

1:05 pm-8:40 am

1 stop12h 35m

Brussels Bruxelles-National

mer. 9/10

10:45 am-6:03 pm

1 stop14h 18m

$1,102

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

sam. 9/20

1:05 pm-8:40 am

1 stop12h 35m

Brussels Bruxelles-National

mar. 9/30

10:45 am-9:47 pm

2 stops18h 02m

$1,166

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 26 results
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Best time to book a flight from Chicago to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels 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 Brussels

How far ahead should I book a flight from Chicago to Brussels?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Brussels. Price data was last updated on March 21, 2025.

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Brussels. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Chicago to Brussels (average of $614). Flying from Chicago to Brussels in June is currently the most expensive (average of $1,146). 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 BRU?

Find hourly flight availability from Chicago to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mars 28, 2025.

It’s typically best to fly out from Chicago to Brussels in the evening. Doing so could potentially save you 49% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Chicago to Brussels?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Brussels. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Brussels flight should consider departing on Monday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brussels ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Brussels when rainfall is around 1.6 in.

Temperature in Brussels by month

Plan your trip to Brussels by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated mars 28, 2025.
Read reviews from past customers who have flown Delta, KLM and LOT from Chicago to Brussels. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,063 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Brussels. 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 flying from Chicago to Brussels round-trip?

    According to our current data, Scandinavian Airlines ($592), Turkish Airlines ($604), and Icelandair ($802) offers the cheapest pricing from Chicago to Brussels. You may be able to fly from Chicago to Brussels for 31% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $371. However, be on the lookout for offers from TAP AIR PORTUGAL and British Airways, as they are both options that can get you from Chicago to Brussels for a low price.

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

    When deciding which route to take from Chicago to Brussels 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 Brussels?

    Consider Air Canada (83%), Austrian Airlines (83%) or Brussels Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Brussels.

  • What are the cheapest flights from Chicago to Brussels?

    Looking for the cheapest flight from Chicago to Brussels? While on average our users pay $3,162, our data indicates the cheapest price to be $484. The most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National), is priced around $379.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Brussels 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 Brussels?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Brussels (average of $614). Flying from Chicago to Brussels in June is currently the most expensive (average of $1,146). 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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Top 8 airlines flying from Chicago to Brussels

Discover the top 8 airlines that operate flights from Chicago to Brussels. 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 mars 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$405Average$568FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$438Average$622FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$492Average$793FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$518Average$869FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$536Average$697FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$724Average$1,120FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$764Average$1,032FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$813Average$1,351FlexibilityNo cancel feeOn-timeN/A
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