Flights to Koh Samui from Chiang Mai from RM920

Popular airlines from Chiang Mai to Koh Samui

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

Cheap Flights from Chiang Mai to Koh Samui (CNX-USM)

Prices were available within the past 7 days and start at RM920 for one-way flights and RM1,831 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Bangkok Airways
Bangkok Airways
Bangkok Airways
Bangkok Airways
Bangkok Airways

Find the cheapest month to fly from Chiang Mai (CNX) to Koh Samui (USM)

September is typically the cheapest month to fly

From RM 775 - RM 1,777 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.