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Cheap Flights from Sydney to Koh Samui

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Reverse direction: USM to SYD

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TR Return flights from $507
Dep. Mon 23 MarRet. Tue 31 Mar$507
Dep. Tue 24 MarRet. Tue 31 Mar$546
PG,TR Return flights from $624
Dep. Mon 23 MarRet. Tue 31 Mar$624
Dep. Tue 24 MarRet. Tue 31 Mar$651
3U,PG,TR Return flights from $638
Dep. Mon 23 MarRet. Tue 31 Mar$638
Dep. Tue 24 MarRet. Tue 31 Mar$676
OD,TR Return flights from $654
Dep. Mon 23 MarRet. Tue 31 Mar$654
Dep. Tue 24 MarRet. Tue 31 Mar$726
TR,VA Return flights from $661
Dep. Mon 23 MarRet. Tue 31 Mar$661
Dep. Tue 24 MarRet. Tue 31 Mar$700
CZ,PG,TR Return flights from $670
Dep. Mon 23 MarRet. Tue 31 Mar$670
Dep. Tue 24 MarRet. Tue 31 Mar$709
MF,PG,TR Return flights from $676
Dep. Mon 23 MarRet. Tue 31 Mar$676
Dep. Tue 24 MarRet. Tue 31 Mar$714
PG,TR,VA Return flights from $680
Dep. Tue 24 MarRet. Tue 31 Mar$680
Dep. Mon 23 MarRet. Tue 31 Mar$698
OD,PG,TR Return flights from $691
Dep. Mon 23 MarRet. Tue 31 Mar$691
Dep. Tue 24 MarRet. Tue 31 Mar$707
JQ,TR Return flights from $718
Dep. Tue 24 MarRet. Tue 31 Mar$718
Dep. Mon 23 MarRet. Tue 31 Mar$728
JQ,PG,TR Return flights from $737
Dep. Mon 23 MarRet. Tue 31 Mar$737
Dep. Tue 24 MarRet. Tue 31 Mar$747
D7,TR Return flights from $744
Dep. Mon 23 MarRet. Tue 31 Mar$744
3U,PG Return flights from $829
Dep. Tue 24 MarRet. Tue 31 Mar$829
Dep. Mon 23 MarRet. Tue 31 Mar$1,314
3U,MF,PG Return flights from $830
Dep. Mon 23 MarRet. Tue 31 Mar$830
Dep. Tue 24 MarRet. Tue 31 Mar$864
MF,PG Return flights from $837
Dep. Mon 23 MarRet. Tue 31 Mar$837
Dep. Tue 24 MarRet. Tue 31 Mar$837

Prices are from searches made in the last 24 hours and current prices may differ.

Do you need to catch a flight to Sydney? Check out our domestic flights to Sydney. If Sydney is not your closest airport, then here are all our flights to Koh Samui from United States (USA) and flights to Thailand. Maybe a different destination? Here are all the flights from Sydney


Average Sydney to Koh Samui Return Prices

These are the average prices for Sydney to Koh Samui return airfares.

December 2025
$2,305
January 2026
$1,849
February 2026
$1,170
March 2026
$1,019
April 2026
$1,285
May 2026
$982
June 2026
$1,095
July 2026
$1,112
August 2026
$990

Did you know...

  • 23 hours and 50 minutes is the quickest return trip between Sydney and Koh Samui, going through Singapore
  • Koh Samui is 3 hours after Sydney. Jetlag may be a problem.
  • The Samui Center Service Ltd.Part. is close to Koh Samui airport.
  • It is 7,238 kilometres from Sydney to Koh Samui.

Questions and Answers

What is the cheapest month to fly to Koh Samui from Sydney?

At the moment, the cheapest time of year to fly to Koh Samui from Sydney is April/2026.

What airlines fly non-stop to Koh Samui from Sydney?

No airlines have direct flights from Sydney to Koh Samui.

What is the cheapest airline to fly from Sydney to Koh Samui?

Scoot is the cheapest airline that flies to Koh Samui from Sydney.

What is the best airline to fly to Koh Samui from Sydney?

The best airline to fly between Sydney and Koh Samui is Singapore Airlines. The best budget airline is Scoot.

How to get from Sydney to Koh Samui
Sydney (SYD)
 to 
Singapore (SIN)
8h 20m
Layover - 1h 15m
Singapore (SIN)
 to 
Koh Samui (USM)
1h 45m
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