Transportation

• Boat from Koh Phangan to Koh Sumai, $8
• Flight from Koh Sumai to Chiang Mai, $131

Accommodations

Muan Hostel, 2 nights, $13.43/night per person for an 8 bunk dorm

Activities 

• Elephant Sanctuary, $30
• Tour the city

Total City Cost: $8 (boat) + $131 (flight) + $26.86 (hostel) + $50 (activities) = $215.86 

Total Trip Cost: $1,200.80 + $215.86 = $1,416.66