Flights from Seoul to Koh Samui (ICN → USM)

ICN
Seoul
Incheon International Airport, Republic of Korea
USM
Koh Samui
Samui, Thailand
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No direct flights found. Here are the 7 fastest 1-stop options.
viaHong Kong(HKG)
ICN→HKG+1h 30mHKG→USM
6h 21m
viaBangkok(BKK)
ICN→BKK+1h 30mBKK→USM
6h 22m
viaBangkok(DMK)
ICN→DMK+1h 30mDMK→USM
6h 22m
viaChiang Mai(CNX)
ICN→CNX+1h 30mCNX→USM
6h 42m
viaChengdu(TFU)
ICN→TFU+1h 30mTFU→USM
6h 49m
viaPhuket(HKT)
ICN→HKT+1h 30mHKT→USM
6h 53m
viaSingapore(SIN)
ICN→SIN+1h 30mSIN→USM
8h 7m
Search all options on Kiwi.com → Total times include an estimated 90-minute layover. Actual times vary by airline and connection.

Frequently asked questions

Are there direct flights from Seoul to Koh Samui? Currently, there are no direct flights from ICN to USM. You may need to connect through another airport.

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Seoul → Koh Samui.

Cheap flights from Seoul to Koh Samui Cheapest month to fly to Koh Samui Flights from Republic of Korea Flights to Thailand Visa-free with Republic of Korea passport All airports in Thailand

Try a nearby airport to Seoul

Flights to Koh Samui (USM) from other airports within 350 km of Seoul. Often unlocks cheaper fares or better times.

GMP → USM 34 km from ICN Seoul → Koh Samui Republic of Korea · 15 destinations CJJ → USM 124 km from ICN Cheongju → Koh Samui Republic of Korea · 22 destinations TAE → USM 262 km from ICN Daegu → Koh Samui Republic of Korea · 15 destinations PUS → USM 339 km from ICN Busan → Koh Samui Republic of Korea · 49 destinations

Or try a nearby airport to Koh Samui

Flights from Seoul (ICN) to other airports within 350 km of Koh Samui.

ICN → KBV 201 km from USM Seoul → Krabi Thailand · 12 destinations ICN → HKT 251 km from USM Seoul → Phuket Thailand · 70 destinations ICN → HDY 293 km from USM Seoul → Hat Yai Thailand · 9 destinations

Other flights from Seoul (ICN)

Abu Dhabi (AUH) Addis Ababa (ADD) Almaty (ALA) Amsterdam (AMS) Angeles (CRK) Aomori (AOJ) Astana (NQZ) Atlanta (ATL) All 162 destinations →

Other flights from Koh Samui (USM)

Bangkok (BKK) Bangkok (DMK) Chengdu (TFU) Chiang Mai (CNX) Hong Kong (HKG) Krabi (KBV) Phuket (HKT) Singapore (SIN) All 9 destinations →