ONYX Hospitality : Bookings In Thailand : Hotels From 800 THB, The Mosaic Collection. Use our Mosaic Collection Newsletter Promo Code with your next booking and get special promotions at our hotels in Thailand from now to 30 Jun 2016; rates from 800 THB. Terms & Conditions: Booking period from now until 31 May, 2016. Staying period from now until 30th June, 2016. Black out dates apply. Subject to availability. Other conditions may apply depending upon included properties.