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$342+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — CHI
Jul 14 — Jul 211
Mon 7/14
Mon 7/21
1 adult, Economy
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Cheapflights Tip: The best prices from Brussels Bruxelles-National to Chicago are usually found in February or November, booked 64 days in advance, depart on a Thursday or Friday and return on a Monday

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 July 9, 2025.

Round-trip from

$525
(Finnair)

One-way from

$342
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$795

Good round-trip deal

$695 or less

Good one-way deal

$714 or less
From Brussels Bruxelles-National to Chicago (CHI)
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One-way flight from Brussels Bruxelles-National to Chicago (CHI)
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Highest demand for flights based on searches. 10% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 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 Brussels Bruxelles-National to Chicago (CHI).
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Price to beat on a one-way flight from Brussels Bruxelles-National to Chicago (CHI).
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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 July 9, 2025.

This Finnair deal was found by Cheapflights users on 7/9. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/119:15 pmBRU - ORD
1 stop24h 25mMultiple Airlines
Sun 8/2410:35 pmORD - BRU
1 stop12h 25mMultiple Airlines
Deal found 7/9$525
This British Airways deal was found by Cheapflights users on 7/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/117:05 pmBRU - ORD
1 stop26h 35mBritish Airways
Mon 8/254:50 pmORD - BRU
2 stops14h 30mBritish Airways
Deal found 7/7$527
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1110:40 amBRU - ORD
2 stops19h 19mAmerican Airlines
Sun 8/248:35 pmORD - BRU
1 stop14h 25mAmerican Airlines
Deal found 7/9$528
This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Thu 8/2110:20 amBRU - ORD
1 stop15h 40mAer Lingus
Thu 8/283:45 pmORD - BRU
1 stop10h 55mAer Lingus
Deal found 7/7$529
This Booking.com deal was found by Cheapflights users on 7/9. 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.
Wed 8/208:55 pmBRU - ORD
1 stop22h 40mTAP AIR PORTUGAL
Sat 8/306:15 pmORD - BRU
1 stop13h 50mTAP AIR PORTUGAL
Deal found 7/9$541
This Finnair deal was found by Cheapflights users on 7/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1612:05 pmBRU - ORD
1 stop13h 45mFinnair
Mon 8/189:30 pmORD - BRU
1 stop13h 50mFinnair
Deal found 7/8$543
This KLM deal was found by Cheapflights users on 7/9. 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.
Wed 9/1010:25 amBRU - ORD
1 stop11h 15mKLM
Thu 9/2511:20 amORD - BRU
1 stop14h 20mKLM
Deal found 7/9$547
This Delta deal was found by Cheapflights users on 7/8. 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 9/128:00 amBRU - ORD
1 stop13h 10mDelta
Fri 9/2610:40 amORD - BRU
1 stop15h 00mDelta
Deal found 7/8$548
This KLM deal was found by Cheapflights users on 7/9. 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.
Fri 9/1210:45 amBRU - MDW
1 stop13h 50mKLM
Thu 9/2512:43 pmMDW - BRU
1 stop12h 57mKLM
Deal found 7/9$550
This Delta deal was found by Cheapflights users on 7/9. 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 9/1110:45 amBRU - MDW
2 stops17h 51mDelta
Thu 9/2512:43 pmMDW - BRU
1 stop12h 57mDelta
Deal found 7/9$551
This Virgin Atlantic deal was found by Cheapflights users on 7/9. 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 10/110:45 amBRU - ORD
1 stop15h 15mVirgin Atlantic
Wed 10/1510:35 amORD - BRU
2 stops15h 05mVirgin Atlantic
Deal found 7/9$551
This Virgin Atlantic deal was found by Cheapflights users on 7/9. 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.
Thu 8/2810:45 amBRU - MDW
2 stops17h 59mVirgin Atlantic
Fri 9/56:00 amMDW - BRU
2 stops19h 40mVirgin Atlantic
Deal found 7/9$557

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 July 9, 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

Mon 8/11

3:00 pm-11:55 am

1 stop27h 55m

Chicago O'Hare Intl

Tue 8/19

4:50 pm-5:45 pm

2 stops17h 55m

$525

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 8/11

9:15 pm-2:40 pm

1 stop24h 25m

Chicago O'Hare Intl

Mon 8/25

5:40 pm-2:20 pm

1 stop13h 40m

$527

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 8/11

10:40 am-10:59 pm

2 stops19h 19m

Chicago O'Hare Intl

Sun 8/24

8:35 pm-6:00 pm

1 stop14h 25m

$528

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 8/21

10:20 am-7:00 pm

1 stop15h 40m

Chicago O'Hare Intl

Thu 8/28

3:45 pm-9:40 am

1 stop10h 55m

$529

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 8/20

8:55 pm-12:35 pm

1 stop22h 40m

Chicago O'Hare Intl

Sat 8/30

6:15 pm-3:05 pm

1 stop13h 50m

$541

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 8/16

12:05 pm-6:50 pm

1 stop13h 45m

Chicago O'Hare Intl

Mon 8/18

9:30 pm-6:20 pm

1 stop13h 50m

$543

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 9/10

6:10 am-2:40 pm

1 stop15h 30m

Chicago O'Hare Intl

Wed 9/24

1:00 pm-8:40 am

1 stop12h 40m

$547

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 9/12

8:00 am-2:10 pm

1 stop13h 10m

Chicago O'Hare Intl

Fri 9/26

10:40 am-8:40 am

1 stop15h 00m

$548

BrusselsChicago

BRU - MDW

BRUMDW

Brussels Bruxelles-National

Fri 9/12

10:45 am-5:35 pm

1 stop13h 50m

Chicago Midway

Thu 9/25

12:43 pm-8:40 am

1 stop12h 57m

$550

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 10/1

10:45 am-8:20 pm

2 stops16h 35m

Chicago O'Hare Intl

Wed 10/15

10:35 am-8:40 am

2 stops15h 05m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 28 results
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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 June 27, 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, August is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Chicago (average of $245). Flying from Brussels Bruxelles-National Airport to Chicago in March is currently the most expensive (average of $321). 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 July 9, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 31% 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 July 9, 2025.

The most flights from BRU to CHI 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).

How much does it cost to fly round-trip from Brussels Bruxelles-National Airport to Chicago?

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 July 9, 2025.
Read reviews from past customers who have flown Delta, KLM, and LOT 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.
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

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
1,370 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

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!
LOT
7.6
Good
1,093 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

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!
Finnair
7.6
Good
1,312 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

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
8,842 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

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 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.

  • 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 $527. Other airlines that can offer you cheap pricing are American Airlines, from $528, and Aer Lingus, from $529. Users have found that British Airways is 20% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Brussels Bruxelles-National Airport to Chicago are Aer Lingus ($537), Scandinavian Airlines ($539), and LOT ($579).

  • 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 Air Canada (83%), Austrian Airlines (83%) or Brussels Airlines (83%) 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 $773, our data indicates the cheapest price to be $660. The most popular route (Brussels Bruxelles-National - Chicago O'Hare Intl), is priced around $486.

  • 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, August is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Chicago (average of $245). Flying from Brussels Bruxelles-National Airport to Chicago in March is currently the most expensive (average of $321). 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

Traveling to a place near Brussels Bruxelles-National Airport?

Book flights to Brussels Bruxelles-National Airport if you plan to visit one of these locations
Merrillville
Lansing
Hammond
Benton Harbor
Porter
Valparaiso
Chesterton

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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 July 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$576Average$702FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$579Average$691FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$592Average$767FlexibilityNo cancel feeOn-timeN/A

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