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Cheap flights from Australia to Ko Samui from $278

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Ko Samui departing on 24/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Australia to Ko Samui

Recent return flight deals from Australia to Ko Samui

Enter your travel dates to find the best prices.
Scoot Logo
05:35 - 18:50
PER
-
USM
14h 15m
1 stop
Scoot Logo
19:45 - 16:30
USM
-
PER
19h 45m
1 stop
$478Scoot
Sun, 8 Mar - Tue, 24 Mar
Scoot Logo
05:35 - 18:50
PER
-
USM
14h 15m
1 stop
Scoot Logo
18:05 - 16:30
USM
-
PER
21h 25m
1 stop
$514Scoot
Thu, 12 Mar - Thu, 26 Mar
Scoot Logo
05:35 - 18:50
PER
-
USM
14h 15m
1 stop
Scoot Logo
19:45 - 16:30
USM
-
PER
19h 45m
1 stop
$517Scoot
Thu, 12 Mar - Thu, 26 Mar
Multiple Airlines Logo
05:35 - 17:10
PER
-
USM
12h 35m
1 stop
Multiple Airlines Logo
19:45 - 04:30
USM
-
PER
31h 45m
2 stops
$643Multiple Airlines
Sun, 8 Mar - Tue, 24 Mar
Multiple Airlines Logo
13:00 - 18:50
MEL
-
USM
32h 50m
1 stop
Multiple Airlines Logo
06:00 - 20:15
USM
-
MEL
35h 15m
2 stops
$711Multiple Airlines
Fri, 17 Apr - Mon, 27 Apr
Qantas Airways Logo
10:10 - 18:15
ADL
-
USM
34h 35m
2 stops
Qantas Airways Logo
13:30 - 09:25
USM
-
ADL
17h 25m
2 stops
$1,290Qantas Airways
Sun, 17 May - Thu, 21 May
Qantas Airways Logo
07:50 - 18:15
ADL
-
USM
36h 55m
2 stops
Qantas Airways Logo
13:30 - 15:45
USM
-
ADL
23h 45m
2 stops
$1,291Qantas Airways
Sun, 3 May - Thu, 7 May
Singapore Airlines Logo
17:35 - 07:45
ADL
-
USM
16h 40m
1 stop
Singapore Airlines Logo
08:40 - 16:20
USM
-
ADL
29h 10m
1 stop
$1,462Singapore Airlines
Sun, 17 May - Thu, 21 May
Singapore Airlines Logo
17:35 - 07:45
ADL
-
USM
16h 40m
1 stop
Singapore Airlines Logo
08:40 - 16:20
USM
-
ADL
29h 10m
1 stop
$1,464Singapore Airlines
Sun, 17 May - Thu, 21 May
Cathay Pacific Logo
14:50 - 19:35
CNS
-
USM
55h 45m
2 stops
Cathay Pacific Logo
11:40 - 10:45
USM
-
CNS
44h 05m
2 stops
$2,121Cathay Pacific
Wed, 11 Mar - Sun, 15 Mar

Scoot flights from Australia to Ko Samui

Our best Scoot deals on Australia to Ko Samui flight tickets
Scoot
12 Mar
PER05:35Perth
14h 15m
1 stop
USM18:50Ko Samui
26 Mar
USM18:05Ko Samui
21h 25m
1 stop
PER16:30Perth
$514
Scoot
12 Mar
PER05:35Perth
14h 15m
1 stop
USM18:50Ko Samui
26 Mar
USM19:45Ko Samui
19h 45m
1 stop
PER16:30Perth
$517
Scoot
5 May
PER05:35Perth
12h 45m
1 stop
USM17:20Ko Samui
12 May
USM19:45Ko Samui
20h 25m
1 stop
PER17:10Perth
$531

Delta flights from Australia to Ko Samui

Our best Delta deals on Australia to Ko Samui flight tickets
Delta
8 Aug
AVV03:25Melbourne Avalon
12h 05m
USM12:30Ko Samui
15 Aug
USM02:30Ko Samui
5h 25m
AVV10:55Melbourne Avalon
$8,866
Delta
24 June
AVV23:25Melbourne Avalon
11h 30m
USM07:55Ko Samui
4 July
USM11:25Ko Samui
6h 05m
AVV20:30Melbourne Avalon
$11,198

momondo Fare Finder

 
Customise your flight search to find flights from Australia to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 20 February 2026.
Use the filters below to find and compare flights from Australia to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 8/3

05:35-18:50

1 stop14h 15m

Ko Samui

Tue 24/3

19:45-16:30

1 stop19h 45m

$478

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 12/3

05:35-18:50

1 stop14h 15m

Ko Samui

Thu 26/3

18:05-16:30

1 stop21h 25m

$514

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 12/3

05:35-18:50

1 stop14h 15m

Ko Samui

Thu 26/3

19:45-16:30

1 stop19h 45m

$517

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 8/3

05:35-17:10

1 stop12h 35m

Ko Samui

Tue 24/3

19:45-04:30

2 stops31h 45m

$643

MelbourneKo Samui

MEL - USM

MELUSM

Melbourne

Fri 17/4

13:00-18:50

1 stop32h 50m

Ko Samui

Mon 27/4

06:00-20:15

2 stops35h 15m

$711

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sun 17/5

10:10-18:15

2 stops34h 35m

Ko Samui

Thu 21/5

13:30-09:25

2 stops17h 25m

$1,290

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sun 3/5

07:50-18:15

2 stops36h 55m

Ko Samui

Thu 7/5

13:30-15:45

2 stops23h 45m

$1,291

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sun 17/5

17:35-07:45

1 stop16h 40m

Ko Samui

Thu 21/5

08:40-16:20

1 stop29h 10m

$1,462

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sun 17/5

17:35-07:45

1 stop16h 40m

Ko Samui

Thu 21/5

08:40-16:20

1 stop29h 10m

$1,464

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Wed 11/3

14:50-19:35

2 stops55h 45m

Ko Samui

Sun 15/3

11:40-10:45

2 stops44h 05m

$2,121

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ko Samui from

How to get the cheapest flight ticket from Australia to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ko Samui?

The month of October is, on average, the cheapest month to fly to Ko Samui from Australia, with most prices found around $741. If you aren’t able to travel during the month of October, then book flights to Ko Samui from Australia during November instead. Flights to Ko Samui in November, while not as cheap as those in October, still average around $818.

How far in advance should I book a flight to Ko Samui?

You are more likely to see cheaper flights to Ko Samui from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $992 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from Australia for as low as $802 on momondo.

Can stopping save me money on Australia to Ko Samui flights?

You could potentially save up to 75% on your flight if you consider stops on a Australia to Ko Samui flight.

Cheap Australia to Ko Samui flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Ko Samui

Fastest flight time

9h 55m

Direct flights

Thu, Sat and Sun

Airports in Ko Samui

1 airport
The fastest flight from Australia to Ko Samui takes 9h 55m
Direct flights go from Australia to Ko Samui on Thursday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport in Ko Samui. From Australia there are direct flights to Ko Samui (USM).
Search flight deals

  • When did momondo last update prices for flights from Australia to Ko Samui Airport?

    Prices for flights from Australia to Ko Samui Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Australia to Ko Samui Airport?

  • How old do you have to be to fly from Australia to Ko Samui Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Australia to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Australia to Ko Samui

Compare and see reviews for airlines that fly from Australia to Ko Samui with momondo
Airline
Rating
Free cancellation
Price
ScootPriceFrom $457Free cancellationRating
6.7
319 reviews
Search Scoot flights
Singapore AirlinesPriceFrom $786Free cancellationRating
8.2
1,463 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $898Free cancellationRating
7.5
995 reviews
Search Qantas Airways flights
Bangkok AirwaysPriceFrom $1,077Free cancellationRating
8.0
123 reviews
Search Bangkok Airways flights
Thai AirwaysPriceFrom $1,189Free cancellationRating
7.8
384 reviews
Search Thai Airways flights

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Ko Samui?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Australia to Ko Samui . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Australia to Ko Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Australia to Ko Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from Australia to Ko Samui?

momondo provides multiple filters to help you find the best flight to Ko Samui from Australia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Australia to Ko Samui right now. Can momondo alert me if prices change?

Price alerts on flights to Ko Samui from Australia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ko Samui trip

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