HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$265+ Cheap flights from Belgium to Illinois

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 — ORD
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Belgium to Illinois 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.

Cheap flight deals from Belgium to Illinois

Keep the following information in mind while searching for Belgium to Illinois flight deals. Data was last updated April 2, 2025.

Round-trip from

$529
(Billigflug)

One-way from

$265
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$630

Good round-trip deal

$630 or less

Good one-way deal

$660 or less
From Belgium to Illinois
Search Deals
One-way flight from Belgium to Illinois
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Belgium to Illinois.
Search Deals
Price to beat on a one-way flight from Belgium to Illinois.
Search Deals

Find flight deals from Belgium to Illinois

Cheapest flights from Belgium to Illinois
Explore the most affordable flight options available from Belgium to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Billigflug deal was found by Cheapflights users on 4/1. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:40 amBRU - ORD
1 stop13h 10mMultiple Airlines
Mon 5/1910:25 pmORD - BRU
1 stop28h 30mMultiple Airlines
Deal found 4/1$529
This British Airways deal was found by Cheapflights users on 4/1. 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 5/59:15 pmBRU - STL
2 stops26h 07mBritish Airways
Mon 5/127:19 pmSTL - BRU
2 stops17h 16mBritish Airways
Deal found 4/1$532
This Booking.com deal was found by Cheapflights users on 4/1. 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.
Sun 4/278:35 pmBRU - ORD
1 stop24h 15mBritish Airways
Sun 5/118:30 pmORD - BRU
1 stop14h 30mBritish Airways
Deal found 4/1$533
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 6/157:05 amBRU - STL
2 stops20h 50mAmerican Airlines
Mon 6/239:56 amSTL - BRU
2 stops17h 09mAmerican Airlines
Deal found 3/31$536
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 5/210:45 amBRU - ORD
2 stops16h 16mAmerican Airlines
Fri 5/99:15 pmORD - BRU
1 stop13h 05mAmerican Airlines
Deal found 4/1$543
This Orbitz deal was found by Cheapflights users on 4/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:20 amBRU - ORD
1 stop15h 40mAer Lingus
Sat 5/103:45 pmORD - BRU
1 stop10h 55mAer Lingus
Deal found 4/1$544
This Icelandair deal was found by Cheapflights users on 4/1. 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.
Wed 5/141:50 pmBRU - ORD
1 stop11h 25mIcelandair
Sun 5/2510:15 pmORD - BRU
1 stop31h 35mIcelandair
Deal found 4/1$555
This Finnair deal was found by Cheapflights users on 4/1. 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.
Tue 5/67:05 pmBRU - ORD
1 stop29h 45mFinnair
Thu 5/154:44 pmORD - BRU
2 stops18h 36mFinnair
Deal found 4/1$559
This Finnair deal was found by Cheapflights users on 3/31. 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.
Thu 6/1911:40 amBRU - STL
2 stops19h 14mFinnair
Mon 6/235:29 pmSTL - BRU
2 stops17h 51mFinnair
Deal found 3/31$562
This Flysmarter deal was found by Cheapflights users on 4/1. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:20 amBRU - ORD
1 stop12h 50mScandinavian Airlines
Wed 12/37:00 amORD - BRU
2 stops19h 40mScandinavian Airlines
Deal found 4/1$570
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 5/510:00 amBRU - STL
1 stop16h 58mUnited Airlines
Mon 5/128:22 amSTL - BRU
1 stop16h 23mUnited Airlines
Deal found 4/1$590
This Flighttix deal was found by Cheapflights users on 4/1. 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 5/59:40 amBRU - STL
2 stops17h 18mMultiple Airlines
Mon 5/121:10 pmSTL - BRU
1 stop12h 50mMultiple Airlines
Deal found 4/1$596

Cheapflights Fare Finder

Customize your flight search to find flights from Belgium to Illinois 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 2, 2025.
Use the filters below to find and compare flights from Belgium to Illinois that are best for you.

Fly from

Belgium

Fly to

Illinois

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 5/5

11:40 am-5:50 pm

1 stop13h 10m

Chicago O'Hare Intl

Mon 5/19

10:25 pm-9:55 am

1 stop28h 30m

$529

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 5/5

9:15 pm-4:22 pm

2 stops26h 07m

Lambert-St Louis

Mon 5/12

7:19 pm-7:35 pm

2 stops17h 16m

$532

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 4/27

8:35 pm-1:50 pm

1 stop24h 15m

Chicago O'Hare Intl

Sun 5/11

8:30 pm-6:00 pm

1 stop14h 30m

$533

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Sun 6/15

7:05 am-8:55 pm

2 stops20h 50m

Lambert-St Louis

Mon 6/23

9:56 am-10:05 am

2 stops17h 09m

$536

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 4/23

3:15 pm-7:00 am

2 stops22h 45m

Chicago O'Hare Intl

Mon 4/28

9:15 pm-5:10 pm

1 stop12h 55m

$537

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 5/14

1:50 pm-6:15 pm

1 stop11h 25m

Chicago O'Hare Intl

Sun 5/25

10:15 pm-12:50 pm

1 stop31h 35m

$555

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 5/6

7:05 pm-5:50 pm

1 stop29h 45m

Chicago O'Hare Intl

Wed 5/14

4:44 pm-10:35 pm

2 stops22h 51m

$559

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Thu 6/19

11:40 am-11:54 pm

2 stops19h 14m

Lambert-St Louis

Mon 6/23

5:29 pm-6:20 pm

2 stops17h 51m

$562

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 6/20

7:05 am-2:15 pm

1 stop14h 10m

Chicago O'Hare Intl

Wed 7/9

4:30 pm-11:25 am

1 stop11h 55m

$565

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 5/1

9:20 pm-2:00 pm

1 stop23h 40m

Chicago O'Hare Intl

Sun 5/4

3:45 pm-9:40 am

1 stop10h 55m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 53 results
1
2
3
...
6

Best time to book a flight from Belgium to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Belgium 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 Belgium to Illinois

What is the cheapest month to book a flight from Belgium to Illinois?

Currently, August is the cheapest month in which you can book a flight from Belgium to Illinois (average of $245). Flying from Belgium to Illinois in March is currently the most expensive (average of $323). 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 BE to IL?

Find hourly flight availability from Belgium to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belgium to Illinois as you normally would.

Weekly flight availability from Belgium to Illinois

Explore weekly flight availability from Belgium to Illinois. 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 2, 2025.

The most flights from BE0 to USIL 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 Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 2, 2025.
See what other customers who have flown with Emirates, Delta and KLM from Belgium to Illinois have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,192 reviews
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,898 reviews
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,323 reviews
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
LOT
7.6
Good
1,065 reviews
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Finnair
7.6
Good
1,267 reviews
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Crew

8.3

Boarding

8.1

Entertainment

8.2

Food

7.8

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Belgium to Illinois. 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 to fly from Belgium to Illinois one-way?

    $465 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Aer Lingus and LOT, with prices starting from $490 and $543, respectively.

  • Can I find deals for flights from Belgium to Illinois that include hotel bookings?

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

  • How can I find direct flights from Belgium to Illinois?

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

  • Can I find deals for business class flights from Belgium to Illinois?

    Yes. Cheapflights offers flight deals from Belgium to Illinois 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 Belgium to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Belgium to Illinois (average of $245). Flying from Belgium to Illinois in March is currently the most expensive (average of $323). 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

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

Alternative routes for Belgium to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to John F Kennedy Intl flights
Charles de Gaulle to Newark flights
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Frankfurt to John F Kennedy Intl flights
Frankfurt to Newark flights
Orly to John F Kennedy Intl flights
Orly to Newark flights
Charles de Gaulle to Stewart flights
London City to John F Kennedy Intl flights
Charles de Gaulle to LaGuardia flights
Charles de Gaulle to Miami flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
Bruxelles-National to John F Kennedy Intl flights
Bruxelles-National to Newark flights
Madrid to John F Kennedy Intl flights
Frankfurt to LaGuardia flights
London City to Newark flights
Madrid to Newark flights
Madrid to Miami flights
Barcelona-El Prat to John F Kennedy Intl flights
Malpensa to John F Kennedy Intl flights
Barcelona-El Prat to Newark flights
Malpensa to Newark flights
Dublin to Newark flights
Dublin to John F Kennedy Intl flights
Frederic Chopin to John F Kennedy Intl flights
Vienna to Newark flights
Leonardo da Vinci/Fiumicino to John F Kennedy Intl flights
Munich to John F Kennedy Intl flights
Charles de Gaulle to Los Angeles flights
Frederic Chopin to Newark flights
Vienna to John F Kennedy Intl flights
Leonardo da Vinci/Fiumicino to Newark flights
Frankfurt to Miami flights
Berlin to John F Kennedy Intl flights
Heathrow to Miami flights
Berlin to Newark flights
Munich to Newark flights
Heathrow to Los Angeles flights
Bruxelles-National to LaGuardia flights
Heathrow to Orlando flights
Gatwick to LaGuardia flights
Stansted to John F Kennedy Intl flights
Charles de Gaulle to San Francisco flights
Zurich to John F Kennedy Intl flights
Heathrow to Boston flights

Top 3 airlines flying from Belgium to Illinois

Discover the top 3 airlines that operate flights from Belgium to Illinois. 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$579Average$696FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$592Average$767FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$599Average$751FlexibilityNo cancel feeOn-time69%

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.