Koh Samui (USM) to Singapore (SIN) flights
2 airlines fly nonstop from Koh Samui (USM) to Singapore (SIN): 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 USM to SIN
- Bangkok AirwaysNot in an alliance Β· bookable with 3 programsWho books it

- ScootNot in an alliance

Book USM to SIN 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
USM to SIN with one stop
4 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Krabi (KBV)Bangkok Airways, then Scoot


- Via Phuket (HKT)Bangkok Airways, then Scoot, Singapore Airlines and 1 more




- Via Bangkok (BKK)Bangkok Airways, then Singapore Airlines, Thai Airways International and 1 more




- Via Bangkok (DMK)Bangkok Airways, then Thai AirAsia and Thai Lion Air



USM to SIN: common questions
Which airlines fly nonstop from USM to SIN?
Bangkok Airways and Scoot fly nonstop from Koh Samui (USM) to Singapore (SIN).
How far is Koh Samui from Singapore by plane?
Koh Samui (USM) and Singapore (SIN) 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 USM to SIN 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 USM to SIN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for USM to SIN with taxes and fees.
Where can I connect between Koh Samui and Singapore?
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.