Cheap flights from Brussels Bruxelles-National Airport to Chicago from $376

The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Brussels Bruxelles-National Airport averaging around $736.

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 Brussels Bruxelles-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,058.

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Brussels Bruxelles-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $819 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 Brussels Bruxelles-National Airport for as low as $710 on momondo.

There are 3 cabin classes available to choose from on Brussels Bruxelles-National Airport 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.

As of September 2026, prices for Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flights are approximately 80% more expensive when compared to flights at the same time last year.

Historically, on average around 18% of flights between Brussels 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.

6 flights are operational daily from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport as of September 2026. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.

As of September 2026, 42 flights take off from Brussels Bruxelles-National Airport and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.