Cheap flights from Belgium to Illinois from $337
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belgium to Illinois departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Belgium to Illinois
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from Belgium to Illinois
All round-trip flight deals from Belgium to Illinois
Aer Lingus flights from Belgium to Illinois
Our best Aer Lingus deals on Belgium to Illinois flight tickets
British Airways flights from Belgium to Illinois
Our best British Airways deals on Belgium to Illinois flight tickets
See travel insights to Illinois from
How to get the cheapest flight ticket from Belgium 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 Belgium 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 Belgium to Illinois is on a Tuesday when prices can be found for as low as $658. Flights from Belgium to Illinois on a Saturday will generally be more expensive and average around $782. 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 Belgium 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 Belgium to Illinois flight route?
Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Belgium - 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 Belgium when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $685 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Belgium for as low as $622 on momondo.
What cabin class options are available on Belgium to Illinois flights?
There are 3 cabin classes available to choose from on Belgium 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 Belgium to Illinois?
LOT, Lufthansa, and Aer Lingus are the most popular carriers operating from Belgium 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 Belgium according to our data. United Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 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 Belgium to Illinois on average per day?
6 flights are operational daily from Belgium to Illinois as of January 2025. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.
How many flights depart from Belgium to Illinois on average per week?
As of January 2025, there are 42 flights per week flying from Belgium to Illinois. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
Cheap Belgium to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Belgium to Illinois
When did momondo last update prices for flights from Belgium to Illinois?
Prices for flights from Belgium to Illinois refresh daily.
How many operators does momondo search for flights from Belgium to Illinois?
There are 6 operators available for flights from Belgium to Illinois as of January 2025.
How old do you have to be to fly from Belgium to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belgium to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Belgium to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Belgium to Illinois is Boeing 787-10 Dreamliner, representing 42.30% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 34.17%, Boeing 777-300ER at 3.36%, and Airbus A330-300 at 2.94%.
Best airlines flying from Belgium to Illinois
Compare and see reviews for airlines that fly from Belgium to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $462 | Free Cancellation | Rating 7.1 1,082 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 6.6 926 reviews | |||
| PriceFrom $590 | Free Cancellation | Rating 6.7 7,108 reviews | |||
| PriceFrom $592 | Free Cancellation | Rating 7.3 349 reviews | |||
| PriceFrom $656 | Free Cancellation | Rating 7.4 8,975 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Belgium to Illinois?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Belgium.
Can I find flights from Belgium to Illinois with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Belgium to Illinois flights to just show those with flexible booking policies.
How can momondo help me find flights from Belgium to Illinois?
Once all potential Belgium to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Belgium to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Belgium. 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.