Singapore to Koh Samui flights
The cheapest round trip we found from Singapore to Koh Samui is $276 (Nov 23 – 30, Nonstop), 14% below the usual $320.
SIN to USM · Round trip · Economy · Prices per person in USD · Price found (1 day ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $276 (cheapest month) |
| December 2026 | $694 |
| January 2027 | $302 |
| February 2027 | $300 |
| March 2027 | $346 |
| April 2027 | No fares found yet |
| May 2027 | $373 |
| June 2027 | $320 |
Cheapest dates in the next 4 months
Round trip, per person-
Nov 23 – 30 7 nights · leave Mon$276 −14% vs usual$276 −14% vs usual Book
Scoot Nonstop · 2h 00m -
Nov 26 – Dec 2 6 nights · leave Thu$289 −10% vs usual$289 −10% vs usual Book
Scoot Nonstop · 2h 00m
-
Nov 4 – 18 14 nights · leave Wed$297 −7% vs usual$297 −7% vs usual Book
Scoot Nonstop · 1h 55m
-
Nov 23 – 27 4 nights · leave Mon$300 −6% vs usual$300 −6% vs usual Book
Scoot Nonstop · 2h 00m
-
Jan 10 – 23, 2027 13 nights · leave Sun$320$320 Book
Scoot Nonstop · 2h 00m
-
Feb 16 – 24, 2027 8 nights · leave Tue$330$330 Book
Scoot Nonstop · 1h 50m
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Feb 1 – 4, 2027 3 nights · leave Mon$337 +5% vs usual$337 +5% vs usual Book
Scoot Nonstop · 1h 50m
-
Feb 15 – 19, 2027 4 nights · leave Mon$393 +23% vs usual$393 +23% vs usual Book
Scoot Nonstop · 1h 50m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Airport transfer to Koh Samui
Fixed prices from USM on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
Koh Samui · Nov 23 – 30- eSIM for Thailand Yesim · prepaid mobile data (opens Yesim in a new tab)
- Car rental in Thailand Economybookings · compare rental companies (opens Economybookings in a new tab)
- Things to do in Koh Samui Klook · tours and tickets (opens Klook in a new tab)
Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
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Flights to Koh Samui from other cities
Singapore to Koh Samui: questions
How much does a flight from Singapore to Koh Samui cost?
The cheapest round trip we have found right now is $276, leaving November 23 and returning November 30. The usual price on this route is about $320, so this fare is 14% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Singapore to Koh Samui?
November 2026, with round trips from $276. The most expensive month in our data is December (from $694). Based on the 7 months ahead we have prices for.
Are there nonstop flights from Singapore to Koh Samui?
Yes. Nonstop from $276 round trip. 75% of the 12 date combinations we track are nonstop.
Which airports do Singapore to Koh Samui flights use?
Singapore airports include Changi International (SIN) and Seletar (XSP). Koh Samui airports include Koh Samui (USM). The prices on this page cover every airport in both cities (SIN and USM are the city codes).
About this route
We track round-trip economy fares from Singapore (Singapore) to Koh Samui (Thailand) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $276, departing November 23 and returning November 30 on a nonstop flight, about 14% below the usual $320. Right now we're following 12 upcoming date combinations on this route. The cheapest month to fly in our data is November, from $276. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.