$203+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to Belgium 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 Illinois to Belgium
Keep the following information in mind while searching for Illinois to Belgium flight deals. Data was last updated June 16, 2025.
Round-trip from | $475 (FlightHub) |
|---|---|
One-way from | $203 (Mytrip) |
Popular in | July |
Cheapest in | October |
Average price | $1,085 |
Good round-trip deal | $779 or less |
Good one-way deal | $563 or less |
Find flight deals from Illinois to Belgium
Cheapest flights from Illinois to BelgiumExplore 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 June 16, 2025.
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 June 16, 2025.
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CrystalTravel deal was found by Cheapflights users on 6/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 6/15. 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.
This Flighttix deal was found by Cheapflights users on 6/15. 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.
This United Airlines deal was found by Cheapflights users on 6/13. 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.
This Virgin Atlantic deal was found by Cheapflights users on 6/14. 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.
This Iberia deal was found by Cheapflights users on 6/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/14. 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.
This Virgin Atlantic deal was found by Cheapflights users on 6/13. 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.
This Delta deal was found by Cheapflights users on 6/15. 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.
This KLM deal was found by Cheapflights users on 6/14. 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.
This Flighttix deal was found by Cheapflights users on 6/14. 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.
Cheapflights Fare Finder
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 June 16, 2025.
Use the filters below to find and compare flights from Illinois to Belgium that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Sat 9/13
7:15 pm-2:15 pm
1 stop12h 00m
Brussels Bruxelles-National
Thu 10/2
10:20 am-4:10 pm
1 stop12h 50m
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Wed 8/13
7:25 pm-12:50 pm
1 stop10h 25m
Brussels Bruxelles-National
Sun 8/24
1:50 pm-9:15 pm
1 stop14h 25m
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Sun 8/10
10:40 am-8:00 am
1 stop14h 20m
Brussels Bruxelles-National
Tue 8/19
10:00 am-2:55 pm
1 stop11h 55m
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Sun 8/10
2:07 pm-8:00 am
1 stop10h 53m
Brussels Bruxelles-National
Tue 8/19
10:15 am-11:55 am
Nonstop8h 40m
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Sun 8/3
5:50 pm-8:50 am
Nonstop8h 00m
Brussels Bruxelles-National
Tue 8/19
10:15 am-11:55 am
Nonstop8h 40m
ChicagoBrussels
MDW - BRU
MDWBRU
Chicago Midway
Wed 12/3
10:35 am-9:00 am
2 stops15h 25m
Brussels Bruxelles-National
Tue 12/9
11:00 am-9:44 pm
2 stops17h 44m
ChicagoBrussels
MDW - BRU
MDWBRU
Chicago Midway
Tue 9/2
9:30 am-8:40 am
2 stops16h 10m
Brussels Bruxelles-National
Wed 9/10
10:45 am-9:26 pm
1 stop17h 41m
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Tue 8/5
1:35 pm-8:40 am
1 stop12h 05m
Brussels Bruxelles-National
Thu 8/14
10:45 am-11:56 pm
2 stops20h 11m
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Sun 8/10
7:00 am-7:30 am
2 stops17h 30m
Brussels Bruxelles-National
Tue 8/19
10:45 am-5:37 pm
1 stop13h 52m
ChicagoBrussels
MDW - BRU
MDWBRU
Chicago Midway
Tue 8/12
12:43 pm-8:40 am
1 stop12h 57m
Brussels Bruxelles-National
Sun 8/24
10:45 am-5:47 pm
1 stop14h 02m
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.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Belgium
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 $1,096). 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 June 16, 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 June 16, 2025.
The most flights from USIL to BE0 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 June 16, 2025.
Read through reviews of airlines operating flights from Illinois to Belgium, such as Delta, KLM and LOT. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Overall
Entertainment
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Overall
Entertainment
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Overall
Entertainment
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Overall
Entertainment
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Overall
Entertainment
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
Boarding
Comfort
Overall
Entertainment
Crew
Food
Reviews
Kim,May 2025
PIH - SLC
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.
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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.
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 June 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$313 | Average$505 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$428 | Average$537 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$492 | Average$821 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$513 | Average$883 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$551 | Average$634 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$552 | Average$731 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$594 | Average$1,111 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$728 | Average$1,095 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$813 | Average$1,318 | FlexibilityNo cancel fee | On-timeN/A |