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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 $525
Dep. Wed 21 OctRet. Thu 29 Oct$525
Dep. Wed 24 JunRet. Mon 06 Jul$1,130
OD,TR Return flights from $713
Dep. Wed 21 OctRet. Thu 29 Oct$713
MF,PG,TR Return flights from $780
Dep. Wed 21 OctRet. Thu 29 Oct$780
Dep. Wed 24 JunRet. Mon 06 Jul$1,469
TR,VN Return flights from $822
Dep. Wed 21 OctRet. Thu 29 Oct$822
PG,TR Return flights from $829
Dep. Wed 21 OctRet. Thu 29 Oct$829
Dep. Wed 24 JunRet. Mon 06 Jul$1,059
MH,PG,TR Return flights from $845
Dep. Wed 21 OctRet. Thu 29 Oct$845
Dep. Wed 24 JunRet. Mon 06 Jul$1,422
SQ,TR Return flights from $905
Dep. Wed 21 OctRet. Thu 29 Oct$905
Dep. Wed 24 JunRet. Mon 06 Jul$1,681
PG,TR,VN Return flights from $925
Dep. Wed 21 OctRet. Thu 29 Oct$925
MH,PG Return flights from $927
Dep. Wed 21 OctRet. Thu 29 Oct$927
Dep. Wed 24 JunRet. Mon 06 Jul$1,298
PG,VJ Return flights from $932
Dep. Wed 24 JunRet. Mon 06 Jul$932
PG,QF Return flights from $936
Dep. Wed 21 OctRet. Thu 29 Oct$936
Dep. Wed 24 JunRet. Mon 06 Jul$1,393
QF Return flights from $936
Dep. Wed 21 OctRet. Thu 29 Oct$936
Dep. Wed 24 JunRet. Mon 06 Jul$2,201
JQ,PG,VJ Return flights from $939
Dep. Wed 24 JunRet. Mon 06 Jul$939
PG,QF,TR Return flights from $945
Dep. Wed 21 OctRet. Thu 29 Oct$945
Dep. Wed 24 JunRet. Mon 06 Jul$1,415
QF,TR Return flights from $945
Dep. Wed 21 OctRet. Thu 29 Oct$945
Dep. Wed 24 JunRet. Mon 06 Jul$1,706

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
$2,325
January 2026
$1,865
February 2026
$1,179
March 2026
$1,028
April 2026
$1,296
May 2026
$990
June 2026
$1,105
July 2026
$1,122
August 2026
$998

Did you know...

  • From Sydney to Koh Samui is 7,238 km.
  • Sydney has the IATA code of SYD.
  • Koh Samui is 3 hours after Sydney. Jetlag may be an issue.
  • Sydney to Koh Samui, the shortest one-way flight is 13 hours and 5 minutes. Singapore

Questions and Answers

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

Currently, the cheapest month to take a flight from Sydney to Koh Samui is March/2026.

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

No airlines fly direct to Koh Samui from Sydney.

What is the cheapest airline that flies to Koh Samui from Sydney?

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

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. Scoot is the best budget airline.

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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