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Cheap Flights from Sydney to Koh Samui

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TR Return flights from $826

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$826

Dep.art Tue 18 MayRet.urn Sat 22 May^$1,123

TRShow more Flights

Dep.art Wed 23 SepRet.urn Sat 03 Oct^$1,144

PG,TR Return flights from $935

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$935

Dep.art Tue 18 MayRet.urn Sat 22 May^$1,045

PG,TRShow more Flights

Dep.art Wed 23 SepRet.urn Sat 03 Oct^$1,312

JQ,PG,TR Return flights from $946

Dep.art Tue 18 MayRet.urn Sat 22 May^$946

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$1,098

JQ,PG,TRShow more Flights

Dep.art Wed 23 SepRet.urn Sat 03 Oct^$1,247

JQ,PG,TR,VJ Return flights from $959

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$959

D7,FD,PG,TR Return flights from $969

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$969

PG,TR,VJ Return flights from $972

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$972

Dep.art Tue 18 MayRet.urn Sat 22 May^$1,080

PG,TR,VJShow more Flights

Dep.art Wed 23 SepRet.urn Sat 03 Oct^$1,275

JQ,PG,TR,VZ Return flights from $975

Dep.art Tue 18 MayRet.urn Sat 22 May^$975

Dep.art Wed 23 SepRet.urn Sat 03 Oct^$1,427

AK,D7,PG,TR Return flights from $1,008

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$1,008

Dep.art Tue 18 MayRet.urn Sat 22 May^$1,286

AK,D7,PG,TRShow more Flights

Dep.art Wed 23 SepRet.urn Sat 03 Oct^$1,374

JQ,PG,TR,VJ,VN Return flights from $1,011

Dep.art Tue 18 MayRet.urn Sat 22 May^$1,011

AK,D7,JQ,PG,VJ Return flights from $1,018

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$1,018

AK,D7,PG,VJ Return flights from $1,032

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$1,032

JQ,TR Return flights from $1,045

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$1,045

Dep.art Tue 18 MayRet.urn Sat 22 May^$1,106

TR,VA Return flights from $1,046

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$1,046

Dep.art Wed 23 SepRet.urn Sat 03 Oct^$1,529

JQ,PG,TG,TR Return flights from $1,055

Dep.art Mon 18 JanRet.urn Tue 02 Mar^$1,055

Dep.art Tue 18 MayRet.urn Sat 22 May^$1,108

PG,TR,VJ,VZ Return flights from $1,060

Dep.art Tue 18 MayRet.urn Sat 22 May^$1,060

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 Australia 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.

August 2026

$1,782

September 2026

$1,583

October 2026

$2,076

November 2026

$1,394

January 2027

$2,282

April 2027

$1,705

Frequently Asked Questions about flying from Sydney to Koh Samui

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

The cheapest month to travel is typically November.

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

The best price we found for a return flight from Sydney to Koh Samui is $826.

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

Currently, the cheapest date for a return flight from Sydney to Koh Samui is 18 January 2027.

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

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

How long does a direct flight from Sydney 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 Sydney 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 Sydney 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 Sydney 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 Sydney 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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Cheap Flights from Sydney to Koh Samui

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Average Sydney to Koh Samui Return Prices

Frequently Asked Questions about flying from Sydney to Koh Samui

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