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$347+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — ORD
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
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 December 22, 2024.

Round-trip from

$488
(Finnair)

One-way from

$347
(Kiwi.com)
From Belgium to Illinois
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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 December 22, 2024.

This Booking.com deal was found by Cheapflights users on 12/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/293:30 pmBRU - ORD
1 stop30h 00mMultiple Airlines
Mon 1/205:00 pmORD - BRU
1 stop11h 05mMultiple Airlines
Deal found 12/22$608
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Sun 12/2910:10 amBRU - ORD
Nonstop9h 05mUnited Airlines
Mon 1/208:50 amORD - BRU
1 stop15h 25mUnited Airlines
Deal found 12/22$673
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/298:05 amBRU - ORD
2 stops21h 47mDelta
Mon 1/201:30 pmORD - BRU
2 stops13h 40mDelta
Deal found 12/22$685
This Gotogate deal was found by Cheapflights users on 12/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:30 pmBRU - ORD
1 stop26h 20mScandinavian Airlines
Thu 1/27:10 pmORD - BRU
1 stop13h 00mScandinavian Airlines
Deal found 12/22$745
This KLM deal was found by Cheapflights users on 12/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2510:45 amBRU - ORD
1 stop10h 45mKLM
Wed 1/14:25 pmORD - BRU
1 stop14h 50mKLM
Deal found 12/22$790
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2210:45 amBRU - STL
2 stops17h 50mDelta
Sat 12/286:29 amSTL - BRU
2 stops19h 31mDelta
Deal found 12/21$922
This Mytrip deal was found by Cheapflights users on 12/22. 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.
Sun 12/297:50 amCRL - ORD
3 stops32h 07mMultiple Airlines
Mon 1/206:30 pmORD - CRL
2 stops20h 45mMultiple Airlines
Deal found 12/22$969
This SWISS deal was found by Cheapflights users on 12/22. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:10 pmBRU - ORD
1 stop27h 05mSWISS
Fri 1/37:05 pmORD - BRU
1 stop12h 00mSWISS
Deal found 12/22$994
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 12/2210:10 amBRU - STL
1 stop16h 47mUnited Airlines
Sat 12/2810:35 amSTL - BRU
1 stop15h 20mUnited Airlines
Deal found 12/21$1,053
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:15 amBRU - MDW
2 stops17h 56mDelta
Sat 1/49:30 amMDW - BRU
2 stops17h 40mDelta
Deal found 12/22$1,164
This LOT deal was found by Cheapflights users on 12/21. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/217:40 pmBRU - ORD
1 stop31h 20mLOT
Wed 12/259:55 pmORD - BRU
1 stop35h 05mLOT
Deal found 12/21$1,226
This Brussels Airlines deal was found by Cheapflights users on 12/21. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/218:10 pmBRU - ORD
1 stop23h 45mBrussels Airlines
Wed 12/255:55 pmORD - BRU
Nonstop8h 00mBrussels Airlines
Deal found 12/21$1,239

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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 4/24

6:35 am-5:50 pm

1 stop18h 15m

Chicago O'Hare Intl

Mon 5/5

9:30 pm-6:20 pm

1 stop13h 50m

$488

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 3/16

9:35 pm-2:55 pm

1 stop23h 20m

Chicago O'Hare Intl

Wed 4/2

8:30 pm-3:20 pm

1 stop11h 50m

$490

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 3/3

9:45 am-6:45 pm

1 stop16h 00m

Chicago O'Hare Intl

Thu 4/24

8:30 pm-6:50 pm

1 stop15h 20m

$492

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Tue 2/4

11:55 am-10:48 am

2 stops29h 53m

Lambert-St Louis

Tue 2/11

2:15 pm-10:50 am

2 stops13h 35m

$496

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 2/9

2:45 pm-5:00 pm

1 stop33h 15m

Chicago O'Hare Intl

Sat 2/22

9:56 pm-8:45 pm

1 stop15h 49m

$499

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 5/16

1:50 pm-6:15 pm

1 stop11h 25m

Chicago O'Hare Intl

Fri 5/23

10:15 pm-12:50 pm

1 stop31h 35m

$537

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 3/3

6:45 am-7:37 pm

2 stops19h 52m

Chicago O'Hare Intl

Sun 4/20

1:55 pm-8:05 am

1 stop11h 10m

$552

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 1/12

6:55 pm-7:15 pm

1 stop31h 20m

Chicago O'Hare Intl

Sat 1/25

9:00 pm-9:35 am

1 stop29h 35m

$564

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 1/12

10:10 am-12:15 pm

Nonstop9h 05m

Chicago O'Hare Intl

Sat 1/25

9:25 pm-5:25 pm

1 stop13h 00m

$571

BrusselsSt. Louis

BRU - STL

BRUSTL

Brussels Bruxelles-National

Tue 2/4

11:55 am-7:09 pm

1 stop14h 14m

Lambert-St Louis

Tue 2/11

1:02 pm-12:20 pm

2 stops16h 18m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 34 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 $317). 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 December 22, 2024.

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 December 22, 2024.

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 December 22, 2024.
See what other customers who have flown with Lufthansa, American Airlines and Delta 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
8,594 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

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
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Finnair
7.7
Good
1,283 reviews
Delta
8.0
Very good
8,594 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

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
1,127 reviews
Delta
8.0
Very good
8,594 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very good
8,594 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

United Airlines
7.4
Good
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

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?

    $452 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on LOT and Lufthansa, with prices starting from $507 and $588, 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 $317). 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$462Average$486FlexibilityNo cancel feeOn-timeN/A
ITA AirwaysCheapest$516Average$542FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$590Average$852FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$656Average$837FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$659Average$771FlexibilityNo cancel feeOn-timeN/A
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