Brussels Airlines are running a very cool promotion.
Fly over the summer from many European cities to Brussels (roundtrip) with unlimited train journeys during your stay throughout Belgium for only €149.
Also receive 1 voucher for activities in 2 cities of your choice (2 vouchers in total).
Terms and Conditions can be found here.
Prague, Czech Republic
Moscow/ St. Petersburg, Russia
(same as DEPART)
Availability from May to August 2017
NMBS (train)/SNCB (train)