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Cheap Flights from Perth to Koh Samui

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Reverse direction: USM to PER

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TR Return flights from $612
Dep. Sat 09 MayRet. Sun 17 May$612
Dep. Sat 27 JunRet. Sun 05 Jul$1,208
AK,PG Return flights from $731
Dep. Sat 09 MayRet. Sun 17 May$731
Dep. Sat 27 JunRet. Sun 05 Jul$1,140
AK,FY,PG Return flights from $735
Dep. Sat 09 MayRet. Sun 17 May$735
AK,PG,TR Return flights from $762
Dep. Sat 09 MayRet. Sun 17 May$762
Dep. Sat 27 JunRet. Sun 05 Jul$1,135
AK,FY,PG,TR Return flights from $766
Dep. Sat 09 MayRet. Sun 17 May$766
AK,OD,PG Return flights from $771
Dep. Sat 09 MayRet. Sun 17 May$771
Dep. Sat 27 JunRet. Sun 05 Jul$1,061
AK,OD,PG,TR Return flights from $785
Dep. Sat 09 MayRet. Sun 17 May$785
Dep. Sat 27 JunRet. Sun 05 Jul$1,089
PG,TR Return flights from $831
Dep. Sat 09 MayRet. Sun 17 May$831
Dep. Sat 27 JunRet. Sun 05 Jul$1,526
OD,PG,TR Return flights from $858
Dep. Sat 09 MayRet. Sun 17 May$858
Dep. Sat 27 JunRet. Sun 05 Jul$1,302
AK,MH,PG Return flights from $869
Dep. Sat 09 MayRet. Sun 17 May$869
Dep. Sat 27 JunRet. Sun 05 Jul$1,249
AK,PG,VJ,VN Return flights from $877
Dep. Sat 09 MayRet. Sun 17 May$877
OD,TR Return flights from $880
Dep. Sat 09 MayRet. Sun 17 May$880
Dep. Sat 27 JunRet. Sun 05 Jul$1,371
AK,FY,OD,PG Return flights from $881
Dep. Sat 09 MayRet. Sun 17 May$881
PG,TR,VJ,VN Return flights from $892
Dep. Sat 09 MayRet. Sun 17 May$892
AK,JQ,PG Return flights from $896
Dep. Sat 09 MayRet. Sun 17 May$896
Dep. Sat 27 JunRet. Sun 05 Jul$1,419

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

Do you need to catch a flight to Perth? Check out our domestic flights to Perth. If Perth 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 Perth


Average Perth to Koh Samui Return Prices

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

February 2026
$1,882
March 2026
$1,566
April 2026
$2,233
June 2026
$1,423

Did you know...

  • The shortest return flight on this route is 19 hrs 55 mins flying . Singapore
  • Perth is 1 hour earlier than Koh Samui.
  • The Samui Center Service Ltd.Part. which is at 30/90 4 . . is the closest hotel to Koh Samui airport.
  • Koh Samui has the IATA airport code of USM and Perth has PER.

Questions and Answers

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

Currently, the lowest-price month to take a flight to Koh Samui from Perth is March/2026. December/2025 is the most expensive time of year to fly to Koh Samui from Perth.

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

No airlines fly direct between Perth and Koh Samui.

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

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

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

The best airline to fly to Koh Samui from Perth is Singapore Airlines. The best low-cost airline is Scoot.

How to get from Perth to Koh Samui
Perth (PER)
 to 
Singapore (SIN)
5h 25m
Layover - 1h 35m
Singapore (SIN)
 to 
Koh Samui (USM)
1h 45m
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