Singapore (SIN) to Koh Samui (USM) flights
2 airlines fly nonstop from Singapore (SIN) to Koh Samui (USM): Bangkok Airways and Scoot. The two airports are 627 miles (1,009 km) apart. There are also 4 ways to fly it with one stop, through Krabi, Phuket and Bangkok and more.
Airlines flying nonstop from SIN to USM
- Bangkok AirwaysNot in an alliance · bookable with 3 programsWho books it
- ScootNot in an alliance
Book SIN to USM with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air France-KLM Flying BlueBooks Bangkok Airways
- Emirates SkywardsBooks Bangkok Airways
- Singapore Airlines KrisFlyerBooks Bangkok Airways
SIN to USM with one stop
4 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Krabi (KBV)Scoot, then Bangkok Airways
- Via Phuket (HKT)Scoot, Singapore Airlines and 1 more, then Bangkok Airways
- Via Bangkok (BKK)Singapore Airlines, Thai Airways International and 1 more, then Bangkok Airways
- Via Bangkok (DMK)Thai AirAsia and Thai Lion Air, then Bangkok Airways
SIN to USM: common questions
Which airlines fly nonstop from SIN to USM?
Bangkok Airways and Scoot fly nonstop from Singapore (SIN) to Koh Samui (USM).
How far is Singapore from Koh Samui by plane?
Singapore (SIN) and Koh Samui (USM) are 627 miles (1,009 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SIN to USM award flights?
3 programs can book at least one of the nonstop airlines: Air France-KLM Flying Blue, Emirates Skywards and Singapore Airlines KrisFlyer. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SIN to USM cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SIN to USM with taxes and fees.
Where can I connect between Singapore and Koh Samui?
The most direct connections are through Krabi (KBV), Phuket (HKT), Bangkok (BKK) and Bangkok (DMK).
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.