Went back to China on 19th May early morning, came back to Singapore on 22nd early morning, the itinerary is as,

Singapore(SIN) -> GuangZhou(CAN), CZ 8490 19th May. 3:55 AM -> 8:05 AM

GuangZhou(CAN) -> ChangSha (CSX) CZ3380 19th May. 10:25 -> 11:40 AM

ChangSha (CSX) -> GuangZhou(CAN) CZ3379 21st May. 20:00 -> 21:15 PM

GuangZhou(CAN) -> Singapore(SIN), CZ8489, 21st May, 11:05 PM -> 3:05 AM (+1day)

As I bought the ticket at last minut, it cost me 4044 RMB.

Tickets:

CZ8490 flight schedule on 19th May.