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$360+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Belgium to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Belgium (BE0) to Illinois (USIL). 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 January 21, 2025.

Round-trip from

$453
(Mytrip)

One-way from

$360
(Kiwi.com)

Good round-trip deal

$660 or less

Good one-way deal

$593 or less
From Belgium to Illinois
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One-way flight from Belgium to Illinois
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Price to beat on a round-trip flight from Belgium to Illinois.
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Price to beat on a one-way flight from Belgium to Illinois.
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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 January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/21. 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.
Thu 2/64:45 pmCRL - ORD
2 stops29h 45mMultiple Airlines
Wed 2/197:15 pmORD - CRL
2 stops19h 25mMultiple Airlines
Deal found 1/21$453
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/106:00 pmBRU - ORD
2 stops28h 05mMultiple Airlines
Mon 3/245:25 pmORD - BRU
3 stops35h 35mMultiple Airlines
Deal found 1/20$455
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/610:15 amBRU - ORD
1 stop14h 40mAer Lingus
Sun 3/94:55 pmORD - BRU
1 stop19h 20mAer Lingus
Deal found 1/21$462
This Gotogate deal was found by Cheapflights users on 1/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/65:50 pmBRU - ORD
1 stop28h 40mTAP AIR PORTUGAL
Wed 2/197:15 pmORD - BRU
1 stop14h 45mTAP AIR PORTUGAL
Deal found 1/21$467
This AirNGo deal was found by Cheapflights users on 1/21. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/39:45 amBRU - ORD
1 stop12h 00mBritish Airways
Thu 4/248:35 pmORD - BRU
1 stop15h 15mBritish Airways
Deal found 1/21$486
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/109:45 amBRU - ORD
1 stop12h 00mAmerican Airlines
Mon 3/2411:00 amORD - BRU
2 stops20h 55mAmerican Airlines
Deal found 1/20$499
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/175:35 pmBRU - STL
2 stops34h 43mAmerican Airlines
Mon 3/242:21 pmSTL - BRU
2 stops20h 19mAmerican Airlines
Deal found 1/21$500
This Mytrip deal was found by Cheapflights users on 1/21. 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 5/281:50 pmBRU - ORD
1 stop14h 25mIcelandair
Tue 6/310:15 pmORD - BRU
1 stop31h 35mIcelandair
Deal found 1/21$500
This British Airways deal was found by Cheapflights users on 1/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:35 pmBRU - STL
2 stops27h 33mBritish Airways
Wed 9/172:01 pmSTL - BRU
2 stops17h 04mBritish Airways
Deal found 1/21$502
This Finnair deal was found by Cheapflights users on 1/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/311:40 amBRU - ORD
1 stop12h 45mFinnair
Wed 5/79:30 pmORD - BRU
1 stop13h 50mFinnair
Deal found 1/21$537
This ITA Airways deal was found by Cheapflights users on 1/21. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:35 pmBRU - ORD
2 stops28h 35mITA Airways
Sat 9/203:00 pmORD - BRU
2 stops34h 35mITA Airways
Deal found 1/21$563
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:45 amBRU - ORD
2 stops15h 00mUnited Airlines
Wed 3/125:55 pmORD - BRU
Nonstop8h 00mUnited Airlines
Deal found 1/21$570

Find flights from Belgium to Illinois within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BrusselsChicago

CRL - ORD

CRLORD

Charleroi Brussels

Thu 2/6

4:45 pm-3:30 pm

2 stops29h 45m

Chicago O'Hare Intl

Wed 2/19

7:15 pm-9:40 pm

2 stops19h 25m

$453

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 3/10

6:00 pm-4:05 pm

2 stops28h 05m

Chicago O'Hare Intl

Mon 3/24

5:25 pm-11:00 am

3 stops35h 35m

$455

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 3/6

10:15 am-5:55 pm

1 stop14h 40m

Chicago O'Hare Intl

Sun 3/9

4:55 pm-6:15 pm

1 stop19h 20m

$462

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 2/6

5:50 pm-3:30 pm

1 stop28h 40m

Chicago O'Hare Intl

Wed 2/19

7:15 pm-5:00 pm

1 stop14h 45m

$467

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 3/3

9:45 am-2:45 pm

1 stop12h 00m

Chicago O'Hare Intl

Thu 4/24

8:35 pm-6:50 pm

1 stop15h 15m

$486

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 3/10

9:45 am-3:45 pm

1 stop12h 00m

Chicago O'Hare Intl

Mon 3/24

11:00 am-1:55 pm

2 stops20h 55m

$499

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 5/28

1:50 pm-9:15 pm

1 stop14h 25m

Chicago O'Hare Intl

Tue 6/3

10:15 pm-12:50 pm

1 stop31h 35m

$500

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 3/17

5:35 pm-10:18 pm

2 stops34h 43m

Lambert-St Louis

Mon 3/24

2:21 pm-4:40 pm

2 stops20h 19m

$500

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sat 5/3

11:40 am-5:25 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 5/7

9:30 pm-6:20 pm

1 stop13h 50m

$537

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 3/5

6:45 am-2:45 pm

2 stops15h 00m

Chicago O'Hare Intl

Wed 3/12

1:00 pm-7:15 am

1 stop12h 15m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 37 results
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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.

Travel insights for flights from Belgium to Illinois

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

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 $320). 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 January 21, 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 January 21, 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 January 21, 2025.
See what other customers who have flown with British Airways, American Airlines and United Airlines 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.
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

LOT
7.6
Good
1,117 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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 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?

    $514 is the cheapest one-way deal found within the past few days, from LOT. You may also be able to find cheap deals on Lufthansa and Iberia, with prices starting from $573 and $596, 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 $320). 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 Belgium to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Belgium to Illinois

Discover the top 5 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$462Average$483FlexibilityNo cancel feeOn-timeN/A
ITA AirwaysCheapest$516Average$542FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$590Average$810FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$592Average$818FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$656Average$817FlexibilityNo cancel feeOn-time69%
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