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Illinois

$315+ 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 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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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 24, 2025.

Round-trip from

$534
(Flighttix)

One-way from

$315
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$630

Good round-trip deal

$648 or less

Good one-way deal

$637 or less
From Belgium to Illinois
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One-way flight from Belgium to Illinois
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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 ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 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 Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/911:40 amBRU - STL
2 stops19h 14mMultiple Airlines
Tue 6/174:23 pmSTL - BRU
2 stops18h 22mMultiple Airlines
Deal found 4/23$547
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 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.
Mon 6/99:15 pmBRU - STL
2 stops28h 05mBritish Airways
Tue 6/174:23 pmSTL - BRU
2 stops15h 02mBritish Airways
Deal found 4/23$557
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.
Mon 6/1612:05 pmBRU - STL
2 stops27h 41mAmerican Airlines
Mon 6/236:04 amSTL - BRU
2 stops21h 01mAmerican Airlines
Deal found 4/22$565
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 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.
Mon 6/910:00 amBRU - STL
1 stop16h 58mAir Canada
Tue 6/171:30 pmSTL - BRU
1 stop11h 30mAir Canada
Deal found 4/22$595

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 24, 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 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

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 6/9

11:40 am-11:54 pm

2 stops19h 14m

Lambert-St Louis

Tue 6/17

4:23 pm-5:45 pm

2 stops18h 22m

$547

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

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 6/9

9:15 pm-6:20 pm

2 stops28h 05m

Lambert-St Louis

Tue 6/17

4:23 pm-2:25 pm

2 stops15h 02m

$557

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 6/16

12:05 pm-8:46 am

2 stops27h 41m

Lambert-St Louis

Mon 6/23

6:04 am-10:05 am

2 stops21h 01m

$565

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

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Mon 6/9

10:00 am-7:58 pm

1 stop16h 58m

Lambert-St Louis

Tue 6/17

1:30 pm-8:00 am

1 stop11h 30m

$595

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 45 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.

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 $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 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 24, 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 24, 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 24, 2025.
See what other customers who have flown with Delta, KLM and LOT 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
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

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

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

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

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

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

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

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

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

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

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

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 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?

    $534 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 Scandinavian Airlines, with prices starting from $544 and $547, 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 $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

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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 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 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

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