Fly into Brussels Airport (BRU), the closest airport, located 7.2 mi (11.5 km) from the city center. If you can't find a flight that works for your travel itinerary, you could book a flight to Charleroi (CRL-Brussels South Charleroi), which is 29.9 mi (48.1 km) away.
If you're traveling by train, the main station is Jette Station. You can get around Jette by jumping on the metro at Ancienne Barrière - Oude Afspanning, Lenoir or UZ Brussel Tram Stop.