Flights from Bangkok to Koh Samui
Nonstop flights from Bangkok (BKK) to Koh Samui (USM) take about 1h 5m (466 km). Bangkok Airways flies it. Lowest fare seen: $76 one-way, nonstop (8 Oct 2026).
All flights from Bangkok →All flights to Koh Samui →
Photo of Koh Samui: Fabio Achilli from Milano, Italy, CC BY 2.0, via Wikimedia Commons.
When you land in Koh Samui
The airport transfer and the few things worth sorting before you fly.
Airport transfer
USM → Koh Samui, booked before you fly
A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.
See transfer prices
Bangkok Suvarnabhumi Airport · 17 loungesFind hotels in Koh Samui
Hotels, hostels & more · Trip.com
Airlines flying Bangkok to Koh Samui
Carriers on BKK–USM according to our route data and nonstop fares seen as of 8 Oct 2026. Not a complete list.
Bangkok to Koh Samui fares by month
Cheapest month seen for a nonstop flight: Nov 2026, from $69 one-way. Lowest one-way fares seen for departures in each month, read 10 Oct 2026.
| Departing | Nonstop from | Cheaper with stops |
|---|---|---|
| Oct 2026 | $8419 Oct 2026 · Bangkok Airways | — |
| Nov 2026 | $6914 Nov 2026 · Bangkok Airways | — |
| Dec 2026 | $842 Dec 2026 · Bangkok Airways | — |
| Jan 2027 | $8427 Jan 2027 · Bangkok Airways | — |
| Feb 2027 | $8426 Feb 2027 · Bangkok Airways | — |
| Mar 2027 | $835 Mar 2027 · Bangkok Airways | — |
| Apr 2027 | $8326 Apr 2027 · Bangkok Airways | — |
| May 2027 | $822 May 2027 · Bangkok Airways | — |
| Jun 2027 | $8320 Jun 2027 · Bangkok Airways | — |
| Jul 2027 | $839 Jul 2027 · Bangkok Airways | — |
| Aug 2027 | $839 Aug 2027 · Bangkok Airways | — |
| Oct 2027 | $841 Oct 2027 · Bangkok Airways | — |
From Travelpayouts flight-search data, city to city (Bangkok to Koh Samui, any airport), USD, read 10 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.
Best time to fly to Koh Samui
Based on weather and travel conditions in Thailand
The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.
More for this trip
Frequently asked questions — Bangkok to Koh Samui flights
How long is the flight from Bangkok to Koh Samui?
How far is Bangkok from Koh Samui by air?
Which airlines fly from Bangkok to Koh Samui?
How much does a flight from Bangkok to Koh Samui cost?
Do I need a visa to travel from Thailand to Thailand?
What is the best time to visit Koh Samui?
Sources: fares from Travelpayouts flight-search data, seen 8 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.
Ready to book BKK–USM?
Set a fare alert, check your visa, or search flights now.