Thai Airways International Cheap Flights from Seoul to Samui Intl. Airport: TG SEL→USM

View HK$3,166 flight on Sat, 23 Aug 2025Opens in a new window

  • 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

Prices were available within the past 7 days and start at HK$3,166 for one-way flights and HK$4,960 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Mon, 14 Jul - Tue, 22 Jul
ICN
Seoul
USM
Koh Samui
HK$4,960 Return, found 2 days ago
HK$4,960
Return
found 2 days ago
Select Thai Airways International flight, departing Mon, 14 Jul from Seoul to Koh Samui, returning Tue, 22 Jul, priced at HK$4,960 found 2 days ago
Thai Airways International
Mon, 14 Jul - Tue, 22 Jul
ICN
Seoul
USM
Koh Samui
HK$4,989 Return, found 2 days ago
HK$4,989
Return
found 2 days ago
Select Thai Airways International flight, departing Mon, 14 Jul from Seoul to Koh Samui, returning Tue, 22 Jul, priced at HK$4,989 found 2 days ago
Seoul to Samui Intl. Airport route information
Origin airport
Incheon Intl.
Destination airport
Samui Intl. Airport
Distance
4052 km
*Available to Expedia members.