$263 Find Cheap Flights from Illinois to Belgium

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Belgium

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info

Good to know

Low seasonFebruary
High seasonJuly
Cheapest flight$263
Best time to beat the crowds with an average 24% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from Chicago to Charleroi Brussels

FAQs for booking flights from Illinois to Belgium

  • How does KAYAK find such low prices on flights from Illinois to Belgium?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Belgium.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Belgium?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Belgium is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Belgium?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Illinois to Belgium with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Belgium?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Illinois to Belgium up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in Belgium?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Belgium is Brussels Bruxelles-National Airport (BRU), with an average flight price of $703.

  • What is the cheapest day to fly to Belgium?

    Based on KAYAK data, the cheapest day to fly to Belgium is Monday where round-trip tickets can be as cheap as $1,093. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,264 on average.

  • What is the cheapest time of day to fly to Belgium?

    The cheapest time of day to fly to Belgium is generally at night, when round-trip flights cost $622 on average. Morning departures are around 24% cheaper than evening flights, on average. The most expensive time of day to fly to Belgium is generally in the evening, which is peak travel time and where the average cost of a ticket is $1,178.

  • What is the cheapest flight to Belgium?

    The cheapest ticket to Belgium from Illinois found in the last 72 hours was to Brussels Bruxelles-National Airport, at $589 round-trip. The most popular route is Chicago O'Hare Intl Airport (ORD) to Brussels Bruxelles-National Airport (BRU) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $589.

  • What is the cheapest month to fly from Illinois to Belgium?

    The cheapest month for flights from Illinois to Belgium is September, when tickets cost $567 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $1,120 and $1,087 respectively.

  • How far in advance should I book a flight from Illinois to Belgium?

    To get a below average price on the flight from Illinois to Belgium, you should book around 7 weeks before departure. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

  • How long is the flight to Belgium?

    An average nonstop flight from Illinois to Belgium takes 16h 49m, covering a distance of 4284 miles. The shortest route is Chicago O'Hare Intl Airport (ORD) to Brussels Bruxelles-National Airport (BRU) with an average flight time of 8h 00m.

  • What is the most popular destination in Belgium?

    Based on KAYAK flight searches, the most popular destination is Brussels (100% of total searches to Belgium).

Book cheap flights from Illinois to Belgium

Recent round-trip flight deals

11/29Sat
1 stopIcelandair
10h 25mORD-BRU
1/11Sun
1 stopIcelandair
11h 30mBRU-ORD
$392
9/6Sat
1 stopIcelandair
10h 25mORD-BRU
9/12Fri
1 stopIcelandair
11h 25mBRU-ORD
$394
11/13Thu
2 stopsScandinavian Airlines
18h 35mORD-BRU
11/19Wed
2 stopsScandinavian Airlines
36h 15mBRU-ORD
$435
9/5Fri
2 stopsScandinavian Airlines
33h 00mORD-BRU
9/14Sun
2 stopsScandinavian Airlines
28h 10mBRU-ORD
$436
9/6Sat
2 stops
19h 30mORD-CRL
9/14Sun
2 stops
21h 55mCRL-ORD
$591
8/10Sun
2 stops
17h 55mORD-CRL
8/19Tue
2 stops
14h 29mCRL-ORD
$639
8/12Tue
1 stopDelta
12h 57mMDW-BRU
8/19Tue
2 stopsDelta
17h 59mBRU-MDW
$661
12/15Mon
2 stopsAir Canada
18h 05mSTL-BRU
12/25Thu
2 stopsAir Canada
36h 29mBRU-STL
$682
9/2Tue
2 stopsDelta
16h 10mMDW-BRU
9/10Wed
1 stopDelta
17h 41mBRU-MDW
$691
9/26Fri
1 stopAir Canada
11h 35mSTL-BRU
10/3Fri
1 stopAir Canada
16h 57mBRU-STL
$811

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/26Sat
2 stops
36h 05mORD-CRL
$263
7/27Sun
2 stops
40h 25mORD-BRU
$265
7/28Mon
2 stops
40h 55mORD-CRL
$266
10/12Sun
1 stopIcelandair
10h 25mORD-BRU
$309
7/26Sat
1 stopIcelandair
31h 35mORD-BRU
$312
8/14Thu
1 stopTAP AIR PORTUGAL
16h 15mORD-BRU
$322
8/15Fri
1 stopTAP AIR PORTUGAL
34h 00mORD-BRU
$348
8/23Sat
2 stopsScandinavian Airlines
16h 05mORD-BRU
$366
9/27Sat
2 stopsScandinavian Airlines
32h 00mORD-BRU
$368
10/13Mon
1 stopAer Lingus
16h 25mORD-BRU
$453

Search by stops

Search by airline

Search by price

Last minute flights from Illinois to Belgium

Last minute flight, train and bus deals

7/2Wed
multi-stop
29h 10mORD-CRL
7/13Sun
multi-stop
32h 35mCRL-ORD
$1,037
7/2Wed
multi-stop
24h 00mORD-CRL
7/13Sun
multi-stop
32h 35mCRL-ORD
$1,043
7/4Fri
multi-stopTurkish Airlines
31h 20mORD-BRU
7/10Thu
multi-stopTurkish Airlines
29h 25mBRU-ORD
$1,065
7/1Tue
multi-stop
24h 20mORD-CRL
7/3Thu
multi-stop
33h 40mCRL-ORD
$1,105
7/2Wed
multi-stopTurkish Airlines
18h 30mORD-BRU
7/13Sun
multi-stopTurkish Airlines
36h 45mBRU-ORD
$1,127
7/2Wed
multi-stopLOT
33h 15mORD-BRU
7/6Sun
multi-stopLOT
38h 20mBRU-ORD
$1,249
7/1Tue
multi-stopScandinavian Airlines
19h 40mORD-BRU
7/31Thu
multi-stopScandinavian Airlines
32h 25mBRU-ORD
$1,301
7/1Tue
multi-stopLOT
17h 45mORD-BRU
7/31Thu
multi-stopLOT
31h 05mBRU-ORD
$1,339
7/2Wed
multi-stopITA Airways
17h 15mORD-BRU
7/6Sun
multi-stopITA Airways
28h 10mBRU-ORD
$1,464
7/2Wed
multi-stopScandinavian Airlines
19h 40mORD-BRU
7/6Sun
multi-stopScandinavian Airlines
25h 35mBRU-ORD
$1,516

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Belgium

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.