HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$315+ Cheap flights from Brussels 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — CHI
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Brussels to Chicago with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Brussels to Chicago are usually found in February or November, booked 65 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Brussels to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Brussels (BR1) 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 April 24, 2025.

Round-trip from

$534
(Flighttix)

One-way from

$315
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$630
From Brussels to Chicago (CHI)
Search Deals
One-way flight from Brussels to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Brussels to Chicago

Cheapest flights from Brussels to Chicago
Explore the most affordable flight options available from Brussels to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Flighttix deal was found by Cheapflights users on 4/23. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/910:00 amBRU - ORD
2 stops14h 24mAir Canada
Mon 6/1610:00 amORD - BRU
1 stop14h 50mAir Canada
Deal found 4/23$534
This Flighttix deal was found by Cheapflights users on 4/22. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:15 amBRU - ORD
Nonstop8h 45mLufthansa
Fri 6/275:55 pmORD - BRU
Nonstop8h 05mLufthansa
Deal found 4/22$538
This Flighttix deal was found by Cheapflights users on 4/22. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1010:15 amBRU - ORD
Nonstop8h 45mMultiple Airlines
Mon 5/268:40 amORD - BRU
1 stop16h 25mMultiple Airlines
Deal found 4/22$542
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Fri 6/61:50 pmBRU - ORD
1 stop11h 25mIcelandair
Sun 6/227:25 pmORD - BRU
1 stop10h 25mIcelandair
Deal found 4/22$543
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 9/1810:00 amBRU - ORD
1 stop11h 50mUnited Airlines
Mon 9/225:55 pmORD - BRU
Nonstop8h 05mUnited Airlines
Deal found 4/22$547
This Vliegwinkel deal was found by Cheapflights users on 4/23. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/510:15 amBRU - ORD
Nonstop8h 40mBrussels Airlines
Mon 6/97:19 amORD - BRU
1 stop17h 41mBrussels Airlines
Deal found 4/23$549
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:55 pmBRU - ORD
2 stops52h 15mScandinavian Airlines
Mon 10/137:15 pmORD - BRU
1 stop31h 25mScandinavian Airlines
Deal found 4/23$559
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 5/1010:40 amBRU - ORD
2 stops17h 45mAmerican Airlines
Mon 5/264:40 pmORD - BRU
2 stops14h 40mAmerican Airlines
Deal found 4/22$576
This British Airways deal was found by Cheapflights users on 4/23. 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.
Fri 5/2310:45 amBRU - ORD
1 stop13h 15mBritish Airways
Thu 6/124:59 pmORD - BRU
2 stops18h 51mBritish Airways
Deal found 4/23$595
This Austrian Airlines deal was found by Cheapflights users on 4/22. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:55 pmBRU - ORD
2 stops26h 50mAustrian Airlines
Mon 9/14:20 pmORD - BRU
1 stop24h 05mAustrian Airlines
Deal found 4/22$638
This SWISS deal was found by Cheapflights users on 4/23. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:20 amBRU - ORD
2 stops16h 35mSWISS
Thu 6/127:05 pmORD - BRU
1 stop17h 10mSWISS
Deal found 4/23$642
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 10/810:45 amBRU - MDW
1 stop17h 59mDelta
Mon 10/139:30 amMDW - BRU
2 stops16h 10mDelta
Deal found 4/23$670

Cheapflights Fare Finder

Customize your flight search to find flights from Brussels 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 April 24, 2025.
Use the filters below to find and compare flights from Brussels to Chicago that are best for you.

Fly from

Brussels

Fly to

Chicago

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 6/9

10:00 am-5:24 pm

2 stops14h 24m

Chicago O'Hare Intl

Mon 6/16

10:00 am-7:50 am

1 stop14h 50m

$534

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 6/1

10:15 am-11:55 am

Nonstop8h 40m

Chicago O'Hare Intl

Sat 6/14

2:18 pm-8:00 am

1 stop10h 42m

$538

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 6/6

10:00 am-6:21 pm

1 stop15h 21m

Chicago O'Hare Intl

Sun 6/22

5:55 pm-9:00 am

Nonstop8h 05m

$545

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 6/5

10:15 am-11:55 am

Nonstop8h 40m

Chicago O'Hare Intl

Mon 6/9

7:19 am-8:00 am

1 stop17h 41m

$549

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 10/17

8:30 pm-4:10 pm

1 stop26h 40m

Chicago O'Hare Intl

Sat 10/25

8:20 pm-9:40 am

1 stop31h 20m

$567

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 5/23

10:45 am-3:55 pm

1 stop12h 10m

Chicago O'Hare Intl

Mon 6/9

4:59 pm-7:35 pm

2 stops19h 36m

$595

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 6/2

10:15 am-11:55 am

Nonstop8h 40m

Chicago O'Hare Intl

Thu 6/5

9:40 pm-5:15 pm

1 stop12h 35m

$612

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 10/19

1:50 pm-9:15 pm

1 stop14h 25m

Chicago O'Hare Intl

Sat 10/25

7:30 pm-12:50 pm

1 stop10h 20m

$615

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 10/18

10:40 am-6:15 pm

1 stop14h 35m

Chicago O'Hare Intl

Sun 10/26

12:54 pm-10:50 am

2 stops15h 56m

$639

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 6/6

6:20 am-3:55 pm

2 stops16h 35m

Chicago O'Hare Intl

Sun 6/22

2:20 pm-12:45 pm

2 stops15h 25m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 34 results
1
2
3
4

Best time to book a flight from Brussels to Chicago

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

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

Use this chart to determine the optimal time to book a round-trip flight from Brussels to Chicago. Price data was last updated on April 18, 2025.

The price you pay for your flight from Brussels to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Brussels to Chicago (average of $245). Flying from Brussels 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 Brussels 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 April 24, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 32% on flights from Brussels to Chicago by exploring options for tickets in the afternoon.

Weekly flight availability from Brussels to Chicago

Explore weekly flight availability from Brussels 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 April 24, 2025.

The most flights from BR1 to CHI are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 24, 2025.
To help decide which airline to fly from Brussels to Chicago, see what other customers have to say about Delta, KLM and LOT. 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
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,066 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    Flying on Air Canada is currently your cheapest option to Chicago, with prices starting at $534. Additional round-trip tickets that might be worth considering are offered by United Airlines and Brussels Airlines, with the lowest prices starting at $545 and $549, respectively. You may be able to fly from Brussels to Chicago for 20% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $534 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Scandinavian Airlines from $547 and Aer Lingus from $556 one-way.

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

    When deciding which route to take from Brussels to Chicago consider Brussels Bruxelles-National - Chicago O'Hare Intl, Brussels Bruxelles-National - Chicago Midway or Charleroi Brussels - Chicago O'Hare Intl as they are the most popular.

  • What are the most reliable airlines from Brussels to Chicago?

    Before booking your flight to Chicago from Brussels, check out the most reliable airlines to get you to your destination on time: Air Canada (90%), Austrian Airlines (90%), Brussels Airlines( 90%).

  • What are the cheapest flights from Brussels to Chicago?

    Looking for the cheapest flight from Brussels to Chicago? While on average our users pay $1,170, our data indicates the cheapest price to be $535. The most popular route (Brussels Bruxelles-National - Chicago O'Hare Intl), is priced around $481.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Brussels 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 to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Brussels to Chicago (average of $245). Flying from Brussels 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?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Brussels 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 Brussels to Chicago

Discover the top 3 airlines that operate flights from Brussels 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$576Average$702FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$579Average$696FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$592Average$767FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.