Cheap Flights from Perth to Koh Samui
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AK,DD,JQ,PG Return flights from £421
Dep.art Fri 22 MayRet.urn Mon 01 Jun£421
JQ,PG,TR Return flights from £421
Dep.art Fri 22 MayRet.urn Mon 01 Jun£421
AK,DD,PG,TR Return flights from £423
Dep.art Fri 22 MayRet.urn Mon 01 Jun£423
PG,TR Return flights from £423
Dep.art Fri 22 MayRet.urn Mon 01 Jun£423
AK,QZ,TR Return flights from £451
Dep.art Tue 08 DecRet.urn Tue 29 Dec£451
Dep.art Fri 22 MayRet.urn Mon 01 Jun£804
JQ,OD,PG,TR Return flights from £452
Dep.art Fri 22 MayRet.urn Mon 01 Jun£452
AK,FD,JQ,PG Return flights from £454
Dep.art Fri 22 MayRet.urn Mon 01 Jun£454
AK,FD,PG,TR Return flights from £459
Dep.art Fri 22 MayRet.urn Mon 01 Jun£459
AK,PG,QZ,TR Return flights from £459
Dep.art Tue 08 DecRet.urn Tue 29 Dec£459
Dep.art Fri 22 MayRet.urn Mon 01 Jun£781
PG,QZ,TR Return flights from £476
Dep.art Tue 08 DecRet.urn Tue 29 Dec£476
JQ,PG Return flights from £476
Dep.art Fri 22 MayRet.urn Mon 01 Jun£476
AK,PG,TR Return flights from £479
Dep.art Fri 22 MayRet.urn Mon 01 Jun£479
OD,PG,TR Return flights from £481
Dep.art Fri 22 MayRet.urn Mon 01 Jun£481
AK,JQ,PG,TR Return flights from £488
Dep.art Fri 22 MayRet.urn Mon 01 Jun£488
JQ,PG,QZ,TR Return flights from £492
Dep.art Fri 22 MayRet.urn Mon 01 Jun£492
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 United Kingdom 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
£869
March 2026
£723
April 2026
£1,031
June 2026
£657
Did you know...
- Koh Samui has the International Air Transport Association (IATA) code of USM.
- The quickest return flight on this route is 18 hrs 25 mins flying . Stopping over at Singapore
- The distance from Perth to Koh Samui is 4,913 kilometres.
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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