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.
CZ8490 flight schedule on 19th May.
CZ3380 flight schedule on 19th May.