The congress participants are responsible for their own travel costs, bookings and accommodation. The organizers would suggest hotels and hostels close to venue.
Austria Trend Hotelbooking link for Vienna Congress: Promo Code: SFU2015
Motel One Prater: Promo Code: SFU2015
Book your flights to the “Vienna International Congress on Science and/or Religion 2015” online at austrian.com and save 15% on all applicable fares!
More information here…
The online travel guide for Vienna