Here's my compilation of all the websites that I frequent and their current discount codes that are available. Do try them out and you might just save some money.
Remarks: You have to submit a rebate request here after you make the booking.
Discount 13%
Discount Code: OCBCGSS13
Bank Cards: OCBC Debit or Credit Cards
Valid till 30 June 2014
Site: www.expedia.com.sg Discount: 10% Discount Code: Follow this link to retrieve discount code www.expedia.com.sg/partner/ocbc.aspx Bank Card: OCBC Debit or Credit Cards Valid till 31 July 2014 Site: www.expedia.com.sg Discount: 10% Discount Code: Follow this link to retrieve discount code www.expedia.com.sg/partner/dbs.aspx Bank Card: DBS/POSB Debit or Credit Cards Valid till 30 June 2014 Site: www.agoda.com.sg/dbssg Discount: 5% / 7% Discount Code: NIL (follow the link to get the discount) Bank Card: 7% for DBS/POSB Platinum and above Credit Cards 5% for DBS/POSB Debit or Credit Cards Valid till 31 December 2014 Site: www.airbnb.com Discount: $50 off Discount Code: DBSSG followed by the first 6 digits of your DBS/POSB card (i.e DBSSG123456) Bank Card: DBS/POSB Debit of Credit Cards