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$405+ Cheap flights from Bruxelles-National (BRU) to Chicago (CHI)

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — CHI
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheapflights Tip: The best prices from Brussels Bruxelles-National to Chicago are usually found in February or September, booked 64 days in advance, depart on a Thursday or Friday and return on a Tuesday

Find flight deals from Bruxelles-National to Chicago

Cheapest flights from Bruxelles-National to Chicago
Explore the most affordable flight options available from Bruxelles-National to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Booking.com deal was found by Cheapflights users on 11/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:20 amBRU - ORD
1 stop13h 25mScandinavian Airlines
Fri 1/97:20 pmORD - BRU
1 stop12h 10mScandinavian Airlines
Deal found 11/20$568
This Mytrip deal was found by Cheapflights users on 11/19. 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 11/225:55 pmBRU - ORD
1 stop27h 50mTAP AIR PORTUGAL
Fri 12/58:15 pmORD - BRU
1 stop13h 50mTAP AIR PORTUGAL
Deal found 11/19$589
This oojo deal was found by Cheapflights users on 11/18. 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.
Tue 12/2311:30 amBRU - ORD
2 stops36h 15mScandinavian Airlines
Thu 1/17:20 pmORD - BRU
1 stop31h 20mScandinavian Airlines
Deal found 11/18$600
This FlightHub deal was found by Cheapflights users on 11/18. 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.
Wed 12/2410:20 amBRU - ORD
1 stop13h 25mScandinavian Airlines
Thu 1/17:20 pmORD - BRU
1 stop31h 20mScandinavian Airlines
Deal found 11/18$608
This Scandinavian Airlines deal was found by Cheapflights users on 11/18. 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.
Mon 12/229:40 pmBRU - ORD
2 stops50h 05mScandinavian Airlines
Thu 1/17:20 pmORD - BRU
1 stop31h 20mScandinavian Airlines
Deal found 11/18$632
This Delta deal was found by Cheapflights users on 11/20. 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.
Sun 12/142:45 pmBRU - MDW
2 stops16h 02mDelta
Tue 12/309:29 amMDW - BRU
2 stops15h 06mDelta
Deal found 11/20$703
This Delta deal was found by Cheapflights users on 11/18. 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.
Mon 12/158:05 amBRU - MDW
2 stops16h 55mDelta
Tue 12/309:29 amMDW - BRU
2 stops15h 06mDelta
Deal found 11/18$705
This Trip.com deal was found by Cheapflights users on 11/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:15 amBRU - MDW
2 stops17h 19mKLM
Tue 12/309:29 amMDW - BRU
2 stops15h 06mKLM
Deal found 11/18$730
This Delta deal was found by Cheapflights users on 11/19. 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.
Thu 12/258:05 amBRU - MDW
2 stops16h 14mDelta
Fri 1/91:28 pmMDW - BRU
2 stops17h 47mDelta
Deal found 11/19$758
This Trip.com deal was found by Cheapflights users on 11/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:15 amBRU - MDW
2 stops18h 04mKLM
Fri 1/91:28 pmMDW - BRU
2 stops13h 42mKLM
Deal found 11/20$782
This Delta deal was found by Cheapflights users on 11/19. 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.
Sat 11/228:05 amBRU - MDW
2 stops17h 13mDelta
Fri 12/51:14 pmMDW - BRU
2 stops12h 46mDelta
Deal found 11/19$927
This Icelandair deal was found by Cheapflights users on 11/19. 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.
Sun 12/1412:50 pmBRU - MDW
2 stops17h 40mMultiple Airlines
Wed 12/171:45 pmMDW - BRU
2 stops15h 10mMultiple Airlines
Deal found 11/19$1,005

Cheap flight deals from Bruxelles-National to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Bruxelles-National (BRU) to Chicago (CHI). 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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$490
(oojo)

One-way from

$405
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$589

Good round-trip deal

$804 or less

Good one-way deal

$789 or less
Provider with most accurate pricing for Brussels Bruxelles-National-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Brussels Bruxelles-National-Chicago (CHI) flights.
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From Brussels Bruxelles-National to Chicago (CHI)
Search Deals
One-way flight from Brussels Bruxelles-National to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Brussels Bruxelles-National to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from Brussels Bruxelles-National to Chicago (CHI).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bruxelles-National to Chicago 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 November 20, 2025.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Chicago that are best for you.

Fly from

Bruxelles-National

Fly to

Chicago

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 3/5

3:10 pm-4:55 pm

1 stop32h 45m

Chicago O'Hare Intl

Mon 3/9

8:20 pm-9:40 am

1 stop31h 20m

$523

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 2/20

3:10 pm-4:45 pm

1 stop32h 35m

Chicago O'Hare Intl

Fri 3/6

7:10 pm-9:40 am

1 stop31h 30m

$540

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 4/15

8:15 pm-1:10 pm

2 stops47h 55m

Chicago O'Hare Intl

Sun 4/19

3:00 pm-10:40 am

1 stop12h 40m

$558

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 12/25

10:20 am-4:45 pm

1 stop13h 25m

Chicago O'Hare Intl

Fri 1/9

7:20 pm-2:30 pm

1 stop12h 10m

$568

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 3/1

3:10 pm-4:45 pm

1 stop32h 35m

Chicago O'Hare Intl

Sat 3/14

8:20 pm-10:50 am

2 stops32h 30m

$580

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 4/11

10:20 am-4:10 pm

1 stop12h 50m

Chicago O'Hare Intl

Tue 4/21

7:30 am-10:40 am

2 stops20h 10m

$625

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 5/5

6:55 pm-1:10 pm

1 stop25h 15m

Chicago O'Hare Intl

Mon 5/18

3:00 pm-6:00 pm

1 stop20h 00m

$629

BrusselsChicago

BRU - MDW

BRUMDW

Brussels Bruxelles-National

Tue 3/10

10:00 am-9:46 pm

1 stop17h 46m

Chicago Midway

Fri 3/20

1:05 pm-8:00 am

1 stop12h 55m

$699

BrusselsChicago

BRU - MDW

BRUMDW

Brussels Bruxelles-National

Mon 3/9

10:00 am-9:46 pm

1 stop17h 46m

Chicago Midway

Thu 3/19

1:00 pm-2:15 pm

2 stops19h 15m

$701

BrusselsChicago

BRU - MDW

BRUMDW

Brussels Bruxelles-National

Tue 4/14

10:45 am-9:45 pm

1 stop18h 00m

Chicago Midway

Mon 4/20

1:05 pm-8:40 am

1 stop12h 35m

$701

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 29 results
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Compare providers for flights from Bruxelles-National to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bruxelles-National to Chicago in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Thrive TravelPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Brussels Bruxelles-National Airport-Chicago flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Brussels Bruxelles-National Airport-Chicago flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Brussels Bruxelles-National Airport-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Brussels Bruxelles-National Airport-Chicago flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Brussels Bruxelles-National Airport-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bruxelles-National to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Bruxelles-National 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 Brussels Bruxelles-National Airport to Chicago

How far ahead should I book a flight from Brussels Bruxelles-National Airport to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Bruxelles-National to Chicago. Price data was last updated on November 14, 2025.

To ensure you get the cheapest price possible for a flight from Brussels Bruxelles-National Airport to Chicago, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Brussels Bruxelles-National Airport to Chicago?

Currently, February is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Chicago (average of $442). Flying from Brussels Bruxelles-National Airport to Chicago in August is currently the most expensive (average of $528). 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 BRU to CHI?

Find hourly flight availability from Bruxelles-National to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% on flights from Brussels Bruxelles-National Airport to Chicago by exploring options for tickets in the afternoon.

Weekly flight availability from Brussels Bruxelles-National Airport to Chicago

Explore weekly flight availability from Bruxelles-National to Chicago. 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 November 20, 2025.

The most flights from BRU to CHI are scheduled on a Wednesday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How often are flights from Brussels to Chicago delayed?

About 13% of weekly flights between Brussels and Chicago have experienced delays in the past year, with the average delay time being 168 minutes.

What is the most punctual flight time for Brussels to Chicago flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Brussels to Chicago flights?

Over the last year, CM Airlines have had the lowest number of delays on this route, with no flights being classified as delayed.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated November 20, 2025.
Read reviews from past customers who have flown United Airlines, Aer Lingus, and Brussels Airlines from Brussels Bruxelles-National Airport to Chicago. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,028 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
United Airlines
7.4
Good
9,028 reviews
United Airlines
7.4
Good
9,028 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Aer Lingus
7.2
Good
1,377 reviews
United Airlines
7.4
Good
9,028 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Brussels Airlines
7.2
Good
369 reviews
United Airlines
7.4
Good
9,028 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Icelandair
7.0
Good
581 reviews
United Airlines
7.4
Good
9,028 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Lufthansa
6.8
Okay
7,579 reviews
United Airlines
7.4
Good
9,028 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.

Related info for your journey

Find useful and relevant information for your journey from Bruxelles-National to Chicago. 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 Brussels Bruxelles-National Airport to Chicago?

    Airlines like Scandinavian Airlines, ITA Airways, and Delta fly from Brussels Bruxelles-National Airport to Chicago in about 17h 46m. The time it takes to get you to your destination can typically vary by up to 30h 09m. Brussels Bruxelles-National Airport and Chicago are separated by a distance of 4148 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Brussels Bruxelles-National Airport to Chicago round-trip?

    Cheapflights users have booked flights from Brussels Bruxelles-National Airport to Chicago round-trip from $521. Other airlines that can offer you cheap pricing are Brussels Airlines, from $521, and United Airlines, from $568. Users have found that Lufthansa is 18% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Brussels Bruxelles-National Airport to Chicago?

    No one likes to see their flight delayed. When booking a flight from Brussels Bruxelles-National Airport to Chicago consider choosing United Airlines (89%), Austrian Airlines (78%) or Brussels Airlines (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Brussels Bruxelles-National Airport to Chicago?

    Looking for the cheapest flight from Brussels Bruxelles-National Airport to Chicago? While on average our users pay $932, our data indicates the cheapest price to be $643. The most popular route (Brussels Bruxelles-National - Chicago O'Hare Intl), is priced around $498.

  • Can I find deals for flights from Bruxelles-National to Chicago that include hotel bookings?

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

  • How can I find direct flights from Bruxelles-National to Chicago?

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

  • Can I find deals for business class flights from Bruxelles-National to Chicago?

    Yes. Cheapflights offers flight deals from Bruxelles-National to Chicago 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 Brussels Bruxelles-National Airport to Chicago?

    Currently, February is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Chicago (average of $442). Flying from Brussels Bruxelles-National Airport to Chicago in August is currently the most expensive (average of $528). 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 Bruxelles-National to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Bruxelles-National to O'Hare Intl flights
Bruxelles-National to Midway flights
Bruxelles-National to St. Louis flights

Top 3 airlines flying from Bruxelles-National to Chicago

Discover the top 3 airlines that operate flights from Bruxelles-National to Chicago. 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Brussels AirlinesCheapest$521Average$669FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$521Average$680FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$568Average$688FlexibilityNo cancel feeOn-time69%

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