
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 40% on select hotels after you book a flight*payments icon
How much is the cheapest flight to Koh Samui?
Prices were available within the past 7 days and start at ₩149,600 for one-way flights and ₩311,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.





Searching for cheap flights to Koh Samui? No travel company presents more choices than Expedia if you're looking to compare flights to Koh Samui. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Surat Thani Province. Expedia provides the cheapest flights to many destinations in Surat Thani Province and you may find even greater savings if you combine your flight with a hotel stay in Koh Samui.
Frequently asked questions
Destination airport | Samui Intl. Airport |
Destination airport IATA code | USM |
Destination city name | Samui Intl. Airport |
Roundtrip price | ₩311,700 |
Get up to 100% off your flight to Koh Samui when booking a Flight + Hotel
Trending flights to Koh Samui
Prices were available within the past 7 days and start at ₩149,600 for one-way flights and ₩311,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

- Top Flights Destinations
- From Other Airports to Koh Samui
- Top Koh Samui Hotels
- Airlines Operating
- Expedia's Latest Trends
Top Flight Destinations
From Other Airports to Koh Samui
- Bangkok to Samui Intl. Airport (BKK - USM)
- Bangkok to Samui Intl. Airport (DMK - USM)
- Kuala Lumpur to Samui Intl. Airport (KUL - USM)
- Hong Kong to Samui Intl. Airport (HKG - USM)
- Chiang Mai to Samui Intl. Airport (CNX - USM)
- Guangzhou to Samui Intl. Airport (CAN - USM)
- Seoul to Samui Intl. Airport (ICN - USM)