Inclusive of Air Fare, Accommodation and Food you can visit SIngapore with your 15,000 pesos.
Book your flight with AirAsia, PAL or Cebu Pacific. Choose the cheapest offer. With my case I got my ticket for 9,800 round trip via Air Asia. Plus 1,700 travel tax.
I book my accommodation at Betel Box Hotel. It is like dormitory type of Hotel. I enjoyed staying at this place because you will meet a lot of solo traveler here. It will cost you 800php/per day. I stayed there for 3 nights and 4 days. Buy Train ticket for 100 SGD. valid up to 5 years.
Here are some places I visited.
