Cheap Flights from Tokyo to Koh Samui: TYO→USM from HK$2,852

View HK$2,852 flight on Mon, 8 Dec 2025Opens in a new window

Popular airlines from Tokyo 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 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find Cheap Flights from Tokyo (TYO) to Koh Samui (USM)

Prices were available within the past 7 days and start at HK$2,852 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Tokyo (TYO) to Koh Samui (USM)

May is typically the cheapest month to fly

From HK$3,262 - HK$5,209 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.