1 Adult (Economy)
  • Economy
  • - + 12+
  • - + 2-11
  • - + <2 (on lap)
  • Done
Search for Flights
Compare

Cheap Flights from Sydney to Koh Samui

Filter
Close
Return
One Way
Reverse direction: USM to SYD

Airlines Show All Airlines

Depart
Return
Find Flights
TR Return flights from $1,104
Dep. Tue 24 MarRet. Tue 31 Mar$1,104
Dep. Mon 06 JulRet. Tue 14 Jul$1,406
TRShow more Flights
Dep. Wed 01 AprRet. Sun 31 May$1,938
Dep. Fri 05 FebRet. Sun 21 Feb$2,165
Dep. Fri 05 FebRet. Fri 26 Feb$2,165
PG,TR Return flights from $1,160
Dep. Tue 24 MarRet. Tue 31 Mar$1,160
Dep. Mon 06 JulRet. Tue 14 Jul$1,281
PG,TRShow more Flights
Dep. Wed 01 AprRet. Sun 31 May$1,828
MF,PG,TR Return flights from $1,215
Dep. Tue 24 MarRet. Tue 31 Mar$1,215
Dep. Mon 06 JulRet. Tue 14 Jul$1,563
MF,PG,TRShow more Flights
Dep. Wed 01 AprRet. Sun 31 May$2,072
PG,TR,VJ Return flights from $1,280
Dep. Mon 06 JulRet. Tue 14 Jul$1,280
Dep. Wed 01 AprRet. Sun 31 May$1,903
PG,PR,TR Return flights from $1,379
Dep. Mon 06 JulRet. Tue 14 Jul$1,379
FD,PG,TR,VJ Return flights from $1,407
Dep. Mon 06 JulRet. Tue 14 Jul$1,407
AK,PG,TR,VJ Return flights from $1,417
Dep. Mon 06 JulRet. Tue 14 Jul$1,417
MF,PG Return flights from $1,430
Dep. Tue 24 MarRet. Tue 31 Mar$1,430
Dep. Mon 06 JulRet. Tue 14 Jul$2,301
JQ,PG,TR Return flights from $1,436
Dep. Tue 24 MarRet. Tue 31 Mar$1,436
Dep. Mon 06 JulRet. Tue 14 Jul$1,575
JQ,PG,TRShow more Flights
Dep. Wed 01 AprRet. Sun 31 May$1,749
MU,PG,VJ Return flights from $1,437
Dep. Mon 06 JulRet. Tue 14 Jul$1,437
MU,PG,TR Return flights from $1,480
Dep. Mon 06 JulRet. Tue 14 Jul$1,480
Dep. Fri 05 FebRet. Fri 26 Feb$2,333
MU,PG,TRShow more Flights
Dep. Fri 05 FebRet. Sun 21 Feb$2,344
AK,D7,JQ,PG,VJ Return flights from $1,487
Dep. Mon 06 JulRet. Tue 14 Jul$1,487
Dep. Wed 01 AprRet. Sun 31 May$1,570
MF,PG,VJ Return flights from $1,524
Dep. Mon 06 JulRet. Tue 14 Jul$1,524
FD,PG,TR Return flights from $1,529
Dep. Mon 06 JulRet. Tue 14 Jul$1,529
AK,PG,TR Return flights from $1,539
Dep. Mon 06 JulRet. Tue 14 Jul$1,539

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 New Zealand 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
$3,890
January 2026
$3,120
February 2026
$1,973
March 2026
$1,719
April 2026
$2,168
May 2026
$1,657
June 2026
$1,848
July 2026
$1,877
August 2026
$1,670

Did you know...

  • It is 7,238 kilometres from Koh Samui to Sydney.
  • The Rydges Sydney Airport Hotel is close to Sydney airport.
  • Sydney has the IATA airport code of SYD.

Questions and Answers

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

At the moment, July/2026 is the lowest-price month to take a flight from Sydney to Koh Samui.

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?

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

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

Singapore Airlines is the best airline to fly to Koh Samui from Sydney. 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
Check out these related flights
Sydney to Tokyo flightsSydney to Bali flightsSydney to London flightsSydney to Ho Chi Minh City flightsSydney to Guangzhou flightsSydney to Melbourne flightsSydney to Bangkok flightsSydney to Shanghai flightsSydney to Tokyo - Haneda flightsSydney to Hong Kong flightsMelbourne to Koh Samui flightsSydney to Koh Samui flightsBangkok to Koh Samui flightsGold Coast to Koh Samui flightsPhuket to Koh Samui flightsPerth to Koh Samui flightsChiang Rai to Koh Samui flightsKrabi to Koh Samui flightsBrisbane to Koh Samui flightsSingapore to Koh Samui flights
Popular Destinations
Flights to BrisbaneFlights to FijiFlights to AccraFlights to BudapestFlights to MelbourneFlights to PerthFlights to Gold CoastFlights to BaliFlights to AdelaideFlights to SydneyFlights to Napier/HastingsFlights to AucklandFlights to XiamenFlights to TokyoFlights to Queenstown

Sign up to I Know The Pilot for all the latest flight deals

Join 300,000+ Australians getting the best airfares delivered to their mailbox

As seen in:
7 News Today Show News Com Au The Guardian Daily Mail Mama Mia