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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 $786
Dep. Wed 26 AugRet. Tue 01 Sep$786
Dep. Sat 10 AprRet. Sat 17 Apr$1,459
JQ,PG,TR Return flights from $864
Dep. Wed 26 AugRet. Tue 01 Sep$864
Dep. Sat 10 AprRet. Sat 17 Apr$1,232
PG,TR Return flights from $924
Dep. Wed 26 AugRet. Tue 01 Sep$924
Dep. Sat 10 AprRet. Sat 17 Apr$1,395
AK,TR Return flights from $926
Dep. Wed 26 AugRet. Tue 01 Sep$926
Dep. Sat 10 AprRet. Sat 17 Apr$1,441
JQ,TR Return flights from $937
Dep. Wed 26 AugRet. Tue 01 Sep$937
Dep. Sat 10 AprRet. Sat 17 Apr$1,492
JQ,PG Return flights from $967
Dep. Wed 26 AugRet. Tue 01 Sep$967
Dep. Sat 10 AprRet. Sat 17 Apr$1,332
OD,TR Return flights from $968
Dep. Wed 26 AugRet. Tue 01 Sep$968
AK,JQ,PG Return flights from $1,001
Dep. Wed 26 AugRet. Tue 01 Sep$1,001
Dep. Sat 10 AprRet. Sat 17 Apr$1,394
MH,PG,TR Return flights from $1,004
Dep. Wed 26 AugRet. Tue 01 Sep$1,004
Dep. Sat 10 AprRet. Sat 17 Apr$1,686
AK,JQ,PG,TR Return flights from $1,013
Dep. Wed 26 AugRet. Tue 01 Sep$1,013
Dep. Sat 10 AprRet. Sat 17 Apr$1,346
AK,OD,PG,TR Return flights from $1,019
Dep. Wed 26 AugRet. Tue 01 Sep$1,019
AK,JQ,OD,PG Return flights from $1,019
Dep. Wed 26 AugRet. Tue 01 Sep$1,019
JQ,MH,OD,PG Return flights from $1,020
Dep. Wed 26 AugRet. Tue 01 Sep$1,020
Dep. Sat 10 AprRet. Sat 17 Apr$1,459
AK,PG,TR Return flights from $1,022
Dep. Wed 26 AugRet. Tue 01 Sep$1,022
Dep. Sat 10 AprRet. Sat 17 Apr$1,189
JQ,OD,PG Return flights from $1,025
Dep. Wed 26 AugRet. Tue 01 Sep$1,025
Dep. Sat 10 AprRet. Sat 17 Apr$1,659

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 Australia 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.

July 2026
$2,375
August 2026
$1,819
September 2026
$1,310
October 2026
$1,613
November 2026
$1,122
December 2026
$1,565
January 2027
$2,048
February 2027
$1,652
March 2027
$1,271
April 2027
$1,515

Frequently Asked Questions about flying from Perth to Koh Samui

When is the cheapest time to travel from Perth to Koh Samui?

The cheapest month to travel is typically November.

How much do return flights from Perth to Koh Samui cost?

The best price we found for a return flight from Perth to Koh Samui is $787.

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

Currently, the cheapest date for a return flight from Perth to Koh Samui is 26 August 2026.

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

Currently, the cheapest airline that flys from Perth to Koh Samui is Scoot.

How long does a direct flight from Perth to Koh Samui take?

We were not able to find any direct flights to Koh Samui.

What is the IATA airport code for Koh Samui?

The IATA code for Koh Samui is USM. It is located in Thailand at coordinates 9.55171, 100.0635.

When should you book flights to Koh Samui?

From our data, you should book flights to Koh Samui 60 days out.


How I Want That Flight can help you

What's the benefit of using I Want That Flight for my Perth to Koh Samui flight?

Think of us as your personal shortcut to a great deal. Instead of you opening fifty different tabs, we instantly cross-check rates across heaps of airlines and booking sites to score you the sweet spot on pricing. Millions of holidaymakers count on us every year to get them airborne, so you're running with a pretty savvy crowd.

Can you sort me out with direct flights from Perth to Koh Samui?

100%. As soon as the page finishes loading your options, hit the "Direct" filter. The layovers will vanish, leaving you with only the non-stop routes.

How does I Want That Flight find me the best Perth to Koh Samui flights?

Once you punch your details into our search tool, we unlock all kinds of handy tricks to map out your journey. We’ll map out the most budget-friendly calendar dates and takeoff slots, and let you slice and dice the data until you pinpoint the exact itinerary that works for you.

I'm still in the planning phase. Can you ping me if Perth to Koh Samui fares drop?

No worries at all. Just kick off a quick search, drop your email into our price tracker, and we’ll send a heads-up straight to your inbox the moment the price drops.

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