Cheap flights from Chicago to Belgium from $322
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Belgium departing on 9/29. 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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How to get the cheapest flight ticket from Chicago to Belgium
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 Belgium?
In general, October is the cheapest month to fly from Chicago to Belgium. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $565. If you are unable to visit Belgium during the month of October, then departing from Chicago during the month February is also very affordable. Most momondo users find prices during this month for around $591.
What is the cheapest day to depart on your flight to Belgium?
Our data shows that Monday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $1,065. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,369. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.
What is the cheapest time of day to depart on your flight to Belgium?
Our most recent data shows that the best time of day to fly to Belgium is in the evening. Flights from Chicago to Belgium during this time can be as low as $622. Flights to Belgium are more costly in the afternoon, with an average ticket price of $1,198. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Chicago to Belgium flight route?
Fly from Chicago O'Hare Intl to Brussels Bruxelles-National for the best Chicago - Belgium flight prices
How far in advance should I book a flight to Belgium?
You are more likely to see cheaper flights to Belgium from Chicago when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $841 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Chicago for as low as $716 on momondo.
What cabin class options are available on Chicago to Belgium flights?
There are 3 cabin classes available to choose from on Chicago to Belgium 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 Chicago to Belgium?
Icelandair, Scandinavian Airlines, and American Airlines are the most popular carriers operating from Chicago to Belgium
What airlines fly to Belgium?
United Airlines, Scandinavian Airlines and Aer Lingus are the top three most popular airlines that fly to Belgium from Chicago according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Belgium. Keep in mind that there are 8 different airlines that fly to Belgium on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago to Belgium on average per day?
As of April 2025, there are 5 flights per day flying from Chicago to Belgium. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.
How many flights depart from Chicago to Belgium on average per week?
As of April 2025, 35 flights take off from Chicago and land in Belgium each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
Cheap Chicago to Belgium flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Belgium
When did momondo last update prices for flights from Chicago to Belgium?
Prices for flights from Chicago to Belgium were last updated today.
How many operators does momondo search for flights from Chicago to Belgium?
The number of operators available for flights from Chicago to Belgium is 8 as of April 2025.
How old do you have to be to fly from Chicago to Belgium?
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 Chicago to Belgium.
What documentation or ID do you need to fly to Belgium?
The travel and health documents required for your trip to Belgium 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 Belgium. 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 Chicago to Belgium?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Belgium is Boeing 787 Dreamliner, representing 42.52% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 32.75%, Boeing 787-8 Dreamliner at 7.16%, and Airbus A330 at 4.99%.
Best airlines flying from Chicago to Belgium
Compare and see reviews for airlines that fly from Chicago to Belgium with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $397 | Free Cancellation | Rating 7.3 1,349 reviews | |||
| PriceFrom $405 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom $492 | Free Cancellation | Rating 7.3 3,790 reviews | |||
| PriceFrom $512 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom $518 | Free Cancellation | Rating 7.1 1,852 reviews | |||
| PriceFrom $724 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $754 | Free Cancellation | Rating 6.7 7,046 reviews | |||
| PriceFrom $813 | Free Cancellation | Rating 7.3 346 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Belgium?
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 Belgium from Chicago.
Can I find flights from Chicago to Belgium with flexible booking policies on momondo?
All flight searches from Chicago to Belgium on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Chicago to Belgium?
momondo provides multiple filters to help you find the best flight to Belgium from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Belgium right now. Can momondo alert me if prices change?
Price alerts on flights to Belgium from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.