How much does it cost to go to flip flop hotel from Chengdu airport by using shuttle bus?

Do you refer to Flipflop Lounge Hostel?
If yes, you can take shuttle bus line 2, get off at East Tianfu Square first. The ticket fare is CNY 10 per person. Then transfer to subway line 2 to Chunxi Road Station, Exit D. It costs CNY 2 per person. After arriving, walk southwest around 600 yards (550 meters) to arrive at the destination.