Cheap flights from Belgium to Chicago from $325

The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Belgium averaging around $409.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Monday when prices can be found for as low as $825. 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 $1,022.

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 $774 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.

There are 3 cabin classes available to choose from on Belgium to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 6% on your flight if you consider stops on a Belgium to Chicago O'Hare Intl Airport flight.

Historically, on average around 17% 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 170 minutes.

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

Wednesday 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 12% of their flights experiencing any sort of delay.

As of June 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 June 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.