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Flights between Singapore (SIN) and Ko Samui (USM)

Singapore Changi Airport, Singapore ↔ Samui Airport, Thailand

A direct route between Singapore and Ko Samui appears in the OpenFlights route network.

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Airlines that have operated this route include:

MIBangkok Airways (PG)
Distance
1,010 km
628 miles
Est. flight time
1h 46m
great-circle estimate
Time difference
~1h
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Singapore

Jan
30°
35/25
240mm
Feb
31°
36/26
160mm
Mar
31°
36/26
180mm
Apr
32°
37/27
170mm
May
32°
37/27
170mm
Jun
32°
37/27
150mm
Jul
31°
36/26
150mm
Aug
31°
36/26
170mm
Sep
31°
36/26
180mm
Oct
31°
36/26
200mm
Nov
31°
36/26
250mm
Dec
30°
35/25
290mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Thailand

Jan
32°
37/27
10mm
Feb
33°
38/28
20mm
Mar
34°
39/29
30mm
Apr
35°
40/30
60mm
May
34°
39/29
180mm
Jun
33°
38/28
200mm
Jul
32°
37/27
200mm
Aug
32°
37/27
250mm
Sep
32°
37/27
300mm
Oct
31°
36/26
200mm
Nov
31°
36/26
50mm
Dec
31°
36/26
10mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

Singapore: Normal precautions (UK FCDO) ↗Thailand: Caution — some areas (UK FCDO) ↗

Common questions

How far is Singapore from Ko Samui?

Singapore (SIN) and Ko Samui (USM) are around 1,010 km (628 miles) apart — an estimated 1h 46m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the SIN–USM route?

Airlines recorded operating this route in the OpenFlights network include MI, Bangkok Airways. This reflects historical scheduled service and may be out of date.

What is the time difference between Singapore and Ko Samui?

Time difference ~ 1 hour (varies with daylight-saving).

When is it warmest in Thailand?

Across Thailand, the warmest month on average is April, with mean temperatures around 35°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for Singapore and Thailand?

The UK FCDO currently rates Singapore as Normal precautions; The UK FCDO rates Thailand as Caution — some areas. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.