Cheap flights from Belgium to Chicago from $347
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 Chicago departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
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 Chicago
Recent round-trip flight deals from Belgium to Chicago
Recent one-way flight deals from Belgium to Chicago
Recent last minute flight deals from Belgium to Chicago
Recent direct flight deals from Belgium to Chicago
TAP AIR PORTUGAL flights from Belgium to Chicago
Our best TAP AIR PORTUGAL deals on Belgium to Chicago flight tickets
Scandinavian Airlines flights from Belgium to Chicago
Our best Scandinavian Airlines deals on Belgium to Chicago flight tickets
See travel insights to Chicago from
How to get the cheapest flight ticket from Belgium to Chicago
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 Chicago?
The month of February is, on average, the cheapest month to fly to Chicago from Belgium, with most prices found around $527. If you’re not able to fly to Chicago in February, then November is your next best option. Flight prices from Belgium to Chicago during November average around $590.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as $748. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Belgium to Chicago for around $828.
What is the cheapest time of day to depart on your flight to Chicago?
Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Belgium to Chicago during this time can be as low as $583. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $800.
What is the cheapest Belgium to Chicago flight route?
Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Belgium - Chicago flight prices
How far in advance should I book a flight to Chicago?
You are more likely to see cheaper flights to Chicago from Belgium when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $684 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Belgium for as low as $577 on momondo.
What cabin class options are available on Belgium to Chicago flights?
There are 3 cabin classes available to choose from on Belgium to Chicago 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 Chicago?
Aer Lingus is the most popular carrier operating from Belgium to Chicago
What airlines fly to Chicago?
United Airlines, Lufthansa and Brussels Airlines are the top three most popular airlines that fly to Chicago from Belgium according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 3 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
How many flights depart from Belgium to Chicago on average per day?
6 flights are operational daily from Belgium to Chicago as of July 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 Chicago on average per week?
As of July 2025, there are 42 flights per week flying from Belgium to Chicago. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
Cheap Belgium to Chicago flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Belgium to Chicago
When did momondo last update prices for flights from Belgium to Chicago?
Prices for flights from Belgium to Chicago refresh daily.
How many operators does momondo search for flights from Belgium to Chicago?
There are 3 operators available for flights from Belgium to Chicago as of July 2025.
How old do you have to be to fly from Belgium to Chicago?
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 Chicago.
What documentation or ID do you need to fly to Chicago?
The necessary travel and health documents for your Chicago 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 Belgium to Chicago?
Based on momondo bookings for flights between Belgium and Chicago, the leading plane model is Boeing 787-10 Dreamliner, making up 38.40% of the total bookings. Other popular models include Boeing 787 Dreamliner with 38.30%, Airbus A330-300 with 3.10%, and Boeing 737 MAX 8 with 2.30%.
Best airlines flying from Belgium to Chicago
Compare and see reviews for airlines that fly from Belgium to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $576 | Free Cancellation | Rating 7.4 8,858 reviews | |||
| PriceFrom $579 | Free Cancellation | Rating 6.8 7,208 reviews | |||
| PriceFrom $592 | Free Cancellation | Rating 7.3 352 reviews |
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Belgium to Chicago?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belgium to Chicago. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Belgium to Chicago with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Chicago from Belgium with this policy.
How can momondo help me find flights from Belgium to Chicago?
momondo helps you find the best flight between Belgium and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Belgium to Chicago right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Belgium to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.