To save on the cost of your flight from Chicago Midway to Brussels, book at least 33 days before your planned departure. Booking around this time can save you about 40% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $686 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $901.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago Midway to Brussels as you normally would.