Cheap flights from Belgium to Chicago from $354

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Belgium averaging around $732.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $830. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Belgium because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,027.

Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Belgium - Chicago O'Hare Intl flight prices

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Belgium when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $809 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Belgium for as low as $631 on momondo.

Historically, on average around 18% of flights between Belgium and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 148 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Emirates have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

As of August 2026, there are 6 flights per day flying from Belgium to Chicago O'Hare Intl Airport. The most common time of day flights depart is 10:00AM, with 100% of flights taking off at noon.

The number of flights available between Belgium and Chicago O'Hare Intl Airport is 42 per week as of August 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.