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$305+ Cheap flights from Illinois to Belgium

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BRU
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Belgium

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

$459
(oojo)

One-way from

$305
(Kiwi.com)

Good round-trip deal

$953 or less

Good one-way deal

$866 or less
From Illinois to Belgium
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One-way flight from Illinois to Belgium
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Price to beat on a round-trip flight from Illinois to Belgium.
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Price to beat on a one-way flight from Illinois to Belgium.
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Find flight deals from Illinois to Belgium

Cheapest flights from Illinois to Belgium
Explore the most affordable flight options available from Illinois to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/237:30 pmORD - BRU
1 stop10h 20mIcelandair
Wed 5/71:50 pmBRU - ORD
1 stop14h 25mIcelandair
Deal found 1/21$427
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/37:40 pmORD - BRU
1 stop12h 30mScandinavian Airlines
Mon 3/1010:30 amBRU - ORD
1 stop14h 20mScandinavian Airlines
Deal found 1/20$459
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:15 pmORD - BRU
1 stop13h 50mTAP AIR PORTUGAL
Sun 5/115:55 amBRU - ORD
1 stop17h 15mTAP AIR PORTUGAL
Deal found 1/20$513
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1212:55 pmORD - BRU
1 stop27h 05mTurkish Airlines
Wed 3/197:50 amBRU - ORD
1 stop33h 20mTurkish Airlines
Deal found 1/21$532
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2811:28 amSTL - BRU
1 stop13h 37mUnited Airlines
Fri 2/710:00 amBRU - STL
2 stops38h 22mUnited Airlines
Deal found 1/20$587
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 3/35:15 amORD - BRU
2 stops22h 45mMultiple Airlines
Mon 3/106:00 amBRU - ORD
2 stops31h 44mMultiple Airlines
Deal found 1/20$588
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2811:30 amSTL - BRU
2 stops13h 25mAir Canada
Fri 2/710:00 amBRU - STL
2 stops36h 06mAir Canada
Deal found 1/20$606
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 2/177:05 pmORD - CRL
2 stops17h 40mMultiple Airlines
Mon 2/243:45 pmCRL - ORD
2 stops31h 30mMultiple Airlines
Deal found 1/20$619
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/33:50 pmSTL - BRU
2 stops33h 05mMultiple Airlines
Mon 3/102:40 pmBRU - STL
2 stops38h 52mMultiple Airlines
Deal found 1/20$624
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2612:52 pmSTL - BRU
2 stops23h 58mScandinavian Airlines
Mon 2/310:30 amBRU - STL
2 stops20h 06mScandinavian Airlines
Deal found 1/21$739
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/169:54 amMDW - BRU
2 stops17h 06mVirgin Atlantic
Tue 3/2511:00 amBRU - MDW
2 stops17h 20mVirgin Atlantic
Deal found 1/21$804
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/208:25 amSTL - BRU
1 stop16h 50mLufthansa
Thu 4/37:30 pmBRU - STL
1 stop25h 00mLufthansa
Deal found 1/20$818

Find flights from Illinois to Belgium within your budget

Customize your flight search to find flights from Illinois to Belgium 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

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/23

7:30 pm-12:50 pm

1 stop10h 20m

Brussels Bruxelles-National

Wed 5/7

1:50 pm-9:15 pm

1 stop14h 25m

$427

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 3/3

7:40 pm-3:10 pm

1 stop12h 30m

Brussels Bruxelles-National

Mon 3/10

10:30 am-6:50 pm

1 stop14h 20m

$459

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 5/3

6:15 pm-3:05 pm

1 stop13h 50m

Brussels Bruxelles-National

Sun 5/11

5:55 am-4:10 pm

1 stop17h 15m

$513

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 3/12

12:55 pm-10:00 pm

1 stop27h 05m

Brussels Bruxelles-National

Wed 3/19

7:50 am-11:10 am

1 stop33h 20m

$532

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 3/3

5:15 am-11:00 am

2 stops22h 45m

Brussels Bruxelles-National

Mon 3/10

6:00 am-7:44 am

2 stops31h 44m

$588

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Mon 3/3

3:50 pm-7:55 am

2 stops33h 05m

Brussels Bruxelles-National

Mon 3/10

2:40 pm-11:32 pm

2 stops38h 52m

$624

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Sun 2/2

8:00 am-7:55 am

2 stops16h 55m

Brussels Bruxelles-National

Mon 2/10

4:55 pm-8:43 pm

2 stops34h 48m

$632

St. LouisBrussels

STL - BRU

STLBRU

Lambert-St Louis

Thu 3/20

3:50 pm-7:55 am

2 stops34h 05m

Brussels Bruxelles-National

Thu 4/3

10:00 am-2:59 pm

2 stops35h 59m

$658

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Wed 2/5

3:35 pm-9:40 pm

2 stops23h 05m

Charleroi Brussels

Sun 2/9

3:10 pm-2:05 pm

2 stops29h 55m

$660

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/16

9:50 am-7:55 am

2 stops16h 05m

Brussels Bruxelles-National

Tue 3/25

10:00 am-7:57 am

1 stop27h 57m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 40 results
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Best time to book a flight from Illinois to Belgium

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

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Belgium (average of $614). Flying from Illinois to Belgium in June is currently the most expensive (average of $1,146). 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 IL to BE?

Find hourly flight availability from Illinois to Belgium. 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 Illinois to Belgium as you normally would.

Weekly flight availability from Illinois to Belgium

Explore weekly flight availability from Illinois to Belgium. 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 USIL to BE0 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 Belgium by month

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

In terms of precipitation, rainfall in Belgium ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Belgium when rainfall is around 1.6 in.

Temperature in Belgium by month

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

If weather is an important factor for your trip to Belgium, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. 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 Belgium. Reviews last updated January 21, 2025.
Read through reviews of airlines operating flights from Illinois to Belgium, such as United Airlines, KLM and Scandinavian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    The cheapest airlines for a one-way flight from Illinois to Belgium are Scandinavian Airlines ($363), Icelandair ($392), and Aer Lingus ($443).

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Belgium (average of $614). Flying from Illinois to Belgium in June is currently the most expensive (average of $1,146). 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.

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Alternative routes for Illinois to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Illinois to Belgium

Discover the top 9 airlines that operate flights from Illinois to Belgium. 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
IcelandairCheapest$405Average$582FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$438Average$574FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$518Average$850FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$540Average$707FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$543Average$634FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$600Average$952FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$632Average$1,125FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$686Average$1,045FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$813Average$1,409FlexibilityNo cancel feeOn-timeN/A
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