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Flights between Phuket (HKT) and Ko Samui (USM)

Phuket International Airport, Thailand ↔ Samui Airport, Thailand

A direct route between Phuket 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This reflects historical scheduled service and may be out of date — it is not a live timetable.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:

Bangkok Airways (PG)
Distance
249 km
155 miles
Est. flight time
49m
great-circle estimate
Time difference
None
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

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.

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.

Common questions

How far is Phuket from Ko Samui?

Phuket (HKT) and Ko Samui (USM) are around 249 km (155 miles) apart — an estimated 49m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the HKT–USM route?

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 This reflects historical scheduled service and may be out of date.

What is the time difference between Phuket and Ko Samui?

Both airports keep the same time — no time difference.

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.

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