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$363+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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The best prices from Chicago to Brussels are usually found in February or October, booked 87 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

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 December 22, 2024.

Round-trip from

$554
(Flightnetwork)

One-way from

$363
(oojo)

Popular in

July

Cheapest in

February

Average price

$844
From Chicago (CHI) to Brussels
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One-way flight from Chicago (CHI) to Brussels
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High demand for flights, 21% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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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 December 22, 2024.

This FlightHub deal was found by Cheapflights users on 12/20. 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.
Fri 12/277:10 pmORD - BRU
2 stops40h 05mScandinavian Airlines
Sun 12/298:30 pmBRU - ORD
1 stop26h 20mScandinavian Airlines
Deal found 12/20$954
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Tue 12/245:00 pmORD - BRU
1 stop13h 35mMultiple Airlines
Wed 1/85:15 pmBRU - ORD
2 stops53h 35mMultiple Airlines
Deal found 12/21$1,157
This Mytrip deal was found by Cheapflights users on 12/21. 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.
Wed 12/257:20 amORD - CRL
3 stops28h 40mMultiple Airlines
Fri 12/275:15 pmCRL - ORD
2 stops27h 50mMultiple Airlines
Deal found 12/21$1,264
This Gurufare deal was found by Cheapflights users on 12/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/278:20 pmORD - BRU
1 stop20h 25mTAP AIR PORTUGAL
Sun 12/296:00 amBRU - ORD
1 stop16h 30mTAP AIR PORTUGAL
Deal found 12/20$1,316
This oojo deal was found by Cheapflights users on 12/21. 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.
Wed 12/259:55 pmORD - BRU
1 stop17h 35mLOT
Fri 12/277:50 amBRU - ORD
1 stop19h 10mLOT
Deal found 12/21$1,350
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Fri 12/275:55 pmORD - BRU
Nonstop8h 00mUnited Airlines
Tue 12/3110:00 amBRU - ORD
1 stop16h 55mUnited Airlines
Deal found 12/20$1,867
This Air Canada deal was found by Cheapflights users on 12/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2711:35 amORD - BRU
2 stops15h 15mAir Canada
Tue 12/3110:00 amBRU - ORD
1 stop11h 45mAir Canada
Deal found 12/20$1,886
This Iberia deal was found by Cheapflights users on 12/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/244:45 pmORD - BRU
2 stops16h 50mIberia
Wed 1/810:25 pmBRU - ORD
2 stops23h 20mIberia
Deal found 12/21$1,966
This Gurufare deal was found by Cheapflights users on 12/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/227:05 pmORD - BRU
1 stop17h 05mSWISS
Mon 12/308:10 pmBRU - ORD
1 stop27h 05mSWISS
Deal found 12/21$1,990
This Delta deal was found by Cheapflights users on 12/20. 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.
Fri 12/279:30 amMDW - BRU
2 stops16h 30mDelta
Tue 12/3111:00 amBRU - MDW
2 stops18h 06mDelta
Deal found 12/20$2,047
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/275:55 pmORD - BRU
Nonstop8h 00mLufthansa
Tue 12/3110:10 amBRU - ORD
Nonstop9h 05mLufthansa
Deal found 12/20$2,072
This Virgin Atlantic deal was found by Cheapflights users on 12/21. 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.
Wed 12/256:00 amMDW - BRU
2 stops20h 00mVirgin Atlantic
Wed 1/111:00 amBRU - MDW
2 stops18h 06mVirgin Atlantic
Deal found 12/21$2,166

Find flights from Chicago to Brussels within your budget

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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/16

7:50 pm-9:20 pm

1 stop18h 30m

Brussels Bruxelles-National

Wed 5/14

7:15 am-5:55 pm

1 stop17h 40m

$552

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 4/17

7:15 pm-6:20 pm

2 stops16h 05m

Brussels Bruxelles-National

Sun 5/11

9:20 pm-4:10 pm

2 stops25h 50m

$553

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 1/19

8:25 pm-5:05 pm

1 stop13h 40m

Brussels Bruxelles-National

Tue 1/28

11:50 am-3:30 pm

1 stop34h 40m

$554

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 2/15

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Sun 2/23

12:50 pm-5:20 pm

1 stop11h 30m

$584

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 2/9

6:30 pm-5:35 pm

2 stops16h 05m

Brussels Bruxelles-National

Mon 2/17

10:00 pm-5:20 pm

2 stops26h 20m

$585

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 1/19

7:05 am-7:55 am

2 stops17h 50m

Brussels Bruxelles-National

Tue 1/28

10:00 am-2:45 pm

1 stop11h 45m

$635

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 2/4

5:55 pm-8:55 am

Nonstop8h 00m

Brussels Bruxelles-National

Tue 2/11

10:00 am-11:38 am

2 stops32h 38m

$662

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 1/19

11:55 am-12:35 pm

2 stops17h 40m

Charleroi Brussels

Tue 1/28

8:40 am-10:10 am

2 stops32h 30m

$665

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 1/19

5:55 pm-8:55 am

Nonstop8h 00m

Brussels Bruxelles-National

Tue 1/28

10:10 am-12:15 pm

Nonstop9h 05m

$666

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 2/5

7:05 pm-8:50 am

1 stop30h 45m

Brussels Bruxelles-National

Wed 2/12

6:40 am-4:15 pm

1 stop16h 35m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 33 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.

Travel insights for flights from Chicago to Brussels

Get recent, data-driven insights about flights from Chicago to Brussels including ideal travel times, pricing trends, and more.

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 December 20, 2024.

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 December 22, 2024.

It’s typically best to fly out from Chicago to Brussels in the evening. Doing so could potentially save you 42% on the flight price compared to flying at noon, 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.

Weekly flight availability from Chicago to Brussels

Explore weekly flight availability from Chicago to Brussels. 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 22, 2024.

The most flights from CHI to BR1 are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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 December 22, 2024.
Read reviews from past customers who have flown Turkish Airlines, United Airlines and Delta 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
8,594 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Porter Airlines
7.9
Good
283 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

LOT
7.6
Good
1,127 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
785 reviews
Delta
8.0
Very good
8,594 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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, TAP AIR PORTUGAL ($554), Scandinavian Airlines ($555), and Turkish Airlines ($557) offers the cheapest pricing from Chicago to Brussels. You may be able to fly from Chicago to Brussels for 35% 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 $363. However, be on the lookout for offers from Icelandair and LOT, 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 Emirates (100%), Air Canada (72%) or Austrian Airlines (72%) 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 $1,312, our data indicates the cheapest price to be $527. The most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National), is priced around $439.

  • 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

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Top 9 airlines flying from Chicago to Brussels

Discover the top 9 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$405Average$724FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$436Average$577FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$513Average$801FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$540Average$688FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$543Average$642FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$600Average$952FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$633Average$1,052FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$686Average$1,033FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$813Average$1,409FlexibilityNo cancel feeOn-timeN/A
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