Cheap flights from Brussels Bruxelles-National Airport to Illinois from $334
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels Bruxelles-National Airport to Illinois departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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TAP AIR PORTUGAL flights from Brussels Bruxelles-National Airport to Illinois
Our best TAP AIR PORTUGAL deals on Brussels Bruxelles-National Airport to Illinois flight tickets
Aer Lingus flights from Brussels Bruxelles-National Airport to Illinois
Our best Aer Lingus deals on Brussels Bruxelles-National Airport to Illinois flight tickets
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How to get the cheapest flight ticket from Brussels Bruxelles-National Airport to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Brussels Bruxelles-National Airport is in February. Flight prices, which tend to average around $527, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $589.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Brussels Bruxelles-National Airport to Illinois is on a Friday when prices can be found for as low as $751. Flights from Brussels Bruxelles-National Airport to Illinois on a Monday will generally be more expensive and average around $847. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Brussels Bruxelles-National Airport to Illinois during this time can be as low as $583. Flights at noon are often more expensive with an average ticket price of $800.
What is the cheapest Brussels Bruxelles-National to Illinois flight route?
Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Brussels Bruxelles-National - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Brussels Bruxelles-National Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $687 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Brussels Bruxelles-National Airport for as low as $577 on momondo.
What cabin class options are available on Brussels Bruxelles-National to Illinois flights?
There are 3 cabin classes available to choose from on Brussels Bruxelles-National to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Brussels Bruxelles-National to Illinois?
TAP AIR PORTUGAL, Aer Lingus, and LOT are the most popular carriers operating from Brussels Bruxelles-National to Illinois
What airlines fly to Illinois?
United Airlines, Lufthansa and Brussels Airlines are the top three most popular airlines that fly to Illinois from Brussels Bruxelles-National Airport according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Brussels Bruxelles-National Airport to Illinois on average per day?
As of June 2025, there are 6 flights per day flying from Brussels Bruxelles-National Airport to Illinois. The most common time of day flights depart is 10:00AM, with 100% of flights taking off at noon.
How many flights depart from Brussels Bruxelles-National Airport to Illinois on average per week?
As of June 2025, there are 42 flights per week flying from Brussels Bruxelles-National Airport to Illinois. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
Cheap Brussels Bruxelles-National Airport to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Brussels Bruxelles-National Airport to Illinois
When did momondo last update prices for flights from Brussels Bruxelles-National Airport to Illinois?
Prices for flights from Brussels Bruxelles-National Airport to Illinois are updated daily.
How many operators does momondo search for flights from Brussels Bruxelles-National Airport to Illinois?
There are 4 operators available for flights from Brussels Bruxelles-National Airport to Illinois as of June 2025.
How old do you have to be to fly from Brussels Bruxelles-National Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Brussels Bruxelles-National Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Brussels Bruxelles-National Airport to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Brussels Bruxelles-National Airport to Illinois is Boeing 787-10 Dreamliner, representing 39.30% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 39.04%, Airbus A330-300 at 2.35%, and Boeing 787-9 Dreamliner at 2.26%.
Best airlines flying from Brussels Bruxelles-National Airport to Illinois
Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $576 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom $579 | Free Cancellation | Rating 6.8 7,152 reviews | |||
| PriceFrom $592 | Free Cancellation | Rating 7.4 355 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Brussels to Illinois?
It is quick and easy to find Brussels to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.
Can I find flights from Brussels to Illinois with flexible booking policies on momondo?
All flight searches from Brussels to Illinois on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Brussels to Illinois?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Brussels to Illinois.
I’m not ready to book a flight from Brussels to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Brussels. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.