Hi, can you quote me the air tix price from Singapore to Jakarta?

1-Flying period :
From
21 april 2011 (night flight) or 22 april 2011 (morning flight)
To
24 april 2011 (last flight)

the cheapest rate, any airline.

2-Flying period :
From
29 april 2011 (night flight) or 30 april 2011 (morning flight)
To
02 may 2011 (last flight)

the cheapest rate, any airline.

3-Flying period :
From
13 may 2011 (night flight) or 14 may 2011 (morning flight)
To
17 may 2011 (last flight)

the cheapest rate, any airline.

Im frequenct fly to jakarta, so can you quote me the best rate?

many thanks!