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Cheap flights from Australia to Ko Samui from $273

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 11/2. 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 - 18:50PER-USM
14h 15m1 stop
Scoot Logo
08:55 - 04:15USM-PER
18h 20m1 stop
$499Scoot
Find Deal
Wed, 25 Feb - Wed, 11 Mar
Scoot Logo
05:35 - 18:50PER-USM
14h 15m1 stop
Scoot Logo
08:55 - 04:15USM-PER
18h 20m1 stop
$589Scoot
Find Deal
Sat, 7 Mar - Sat, 21 Mar
Multiple Airlines Logo
05:35 - 18:50PER-USM
14h 15m1 stop
Multiple Airlines Logo
08:50 - 04:30USM-PER
18h 40m2 stops
$650Multiple Airlines
Find Deal
Wed, 25 Feb - Wed, 11 Mar
Multiple Airlines Logo
05:35 - 18:50PER-USM
14h 15m1 stop
Multiple Airlines Logo
08:55 - 00:40USM-PER
38h 45m3 stops
$676Multiple Airlines
Find Deal
Wed, 25 Feb - Wed, 11 Mar
Qantas Airways Logo
11:05 - 18:15BNE-USM
34h 10m1 stop
Qantas Airways Logo
13:30 - 06:00USM-BNE
13h 30m1 stop
$1,136Qantas Airways
Find Deal
Thu, 23 Apr - Tue, 5 May
Qantas Airways Logo
11:05 - 21:10BNE-USM
13h 05m1 stop
Qantas Airways Logo
13:30 - 06:00USM-BNE
13h 30m1 stop
$1,138Qantas Airways
Find Deal
Thu, 23 Apr - Tue, 5 May
Singapore Airlines Logo
18:35 - 17:10ADL-USM
26h 05m1 stop
Singapore Airlines Logo
08:45 - 07:25USM-ADL
20h 10m1 stop
$1,414Singapore Airlines
Find Deal
Thu, 26 Mar - Mon, 13 Apr
Singapore Airlines Logo
17:35 - 07:50ADL-USM
16h 45m1 stop
Singapore Airlines Logo
18:15 - 16:20USM-ADL
19h 35m1 stop
$1,466Singapore Airlines
Find Deal
Sun, 17 May - Wed, 20 May
Cathay Pacific Logo
12:35 - 19:35CNS-USM
34h 00m2 stops
Cathay Pacific Logo
11:40 - 10:45USM-CNS
44h 05m2 stops
$1,962Cathay Pacific
Find Deal
Thu, 5 Mar - Sun, 8 Mar
Cathay Pacific Logo
12:35 - 19:35CNS-USM
34h 00m2 stops
Cathay Pacific Logo
11:40 - 10:45USM-CNS
44h 05m2 stops
$1,963Cathay Pacific
Find Deal
Thu, 5 Mar - Sun, 8 Mar

Scoot flights from Australia to Ko Samui

Our best Scoot deals on Australia to Ko Samui flight tickets
Scoot
25 Feb
PER05:35Perth
14h 15m
1 stop
USM18:50Ko Samui
11 Mar
USM08:55Ko Samui
18h 20m
1 stop
PER04:15Perth
$499
Find similar
Scoot
7 Mar
PER05:35Perth
14h 15m
1 stop
USM18:50Ko Samui
21 Mar
USM08:55Ko Samui
18h 20m
1 stop
PER04:15Perth
$589
Find similar
Scoot
7 Mar
PER05:35Perth
12h 35m
1 stop
USM17:10Ko Samui
21 Mar
USM08:55Ko Samui
18h 20m
1 stop
PER04:15Perth
$592
Find similar

Qantas Airways flights from Australia to Ko Samui

Our best Qantas Airways deals on Australia to Ko Samui flight tickets
Qantas Airways
23 Apr
BNE11:05Brisbane
34h 10m
1 stop
USM18:15Ko Samui
5 May
USM13:30Ko Samui
13h 30m
1 stop
BNE06:00Brisbane
$1,136
Find similar
Qantas Airways
23 Apr
BNE11:05Brisbane
13h 05m
1 stop
USM21:10Ko Samui
5 May
USM13:30Ko Samui
13h 30m
1 stop
BNE06:00Brisbane
$1,138
Find similar
Qantas Airways
5 May
BNE11:05Brisbane
13h 05m
1 stop
USM21:10Ko Samui
19 May
USM14:35Ko Samui
17h 05m
2 stops
BNE10:40Brisbane
$1,152
Find similar

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 3 December 2025.
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

Wed 25/2

05:35-18:50

1 stop14h 15m

Ko Samui

Wed 11/3

08:55-04:15

1 stop18h 20m

$499

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 7/3

05:35-18:50

1 stop14h 15m

Ko Samui

Sat 21/3

08:55-04:15

1 stop18h 20m

$589

PerthKo Samui

PER - USM

PERUSM

Perth

Wed 25/2

05:35-18:50

1 stop14h 15m

Ko Samui

Wed 11/3

08:50-04:30

2 stops18h 40m

$650

PerthKo Samui

PER - USM

PERUSM

Perth

Wed 25/2

05:35-18:50

1 stop14h 15m

Ko Samui

Wed 11/3

08:55-00:40

3 stops38h 45m

$676

BrisbaneKo Samui

BNE - USM

BNEUSM

Brisbane

Thu 23/4

11:05-18:15

1 stop34h 10m

Ko Samui

Tue 5/5

13:30-06:00

1 stop13h 30m

$1,136

BrisbaneKo Samui

BNE - USM

BNEUSM

Brisbane

Thu 23/4

11:05-21:10

1 stop13h 05m

Ko Samui

Tue 5/5

13:30-06:00

1 stop13h 30m

$1,138

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Thu 26/3

18:35-17:10

1 stop26h 05m

Ko Samui

Mon 13/4

08:45-07:25

1 stop20h 10m

$1,414

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sun 17/5

17:35-07:50

1 stop16h 45m

Ko Samui

Wed 20/5

18:15-16:20

1 stop19h 35m

$1,466

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Thu 5/3

12:35-19:35

2 stops34h 00m

Ko Samui

Sun 8/3

11:40-10:45

2 stops44h 05m

$1,962

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Thu 5/3

12:35-19:35

2 stops34h 00m

Ko Samui

Sun 8/3

11:40-10:45

2 stops44h 05m

$1,963

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 $863. If you aren’t able to travel during the month of October, then book flights to Ko Samui from Australia during August instead. Flights to Ko Samui in August, while not as cheap as those in October, still average around $898.

What is the cheapest day to depart on your flight to Ko Samui?

According to our data, Tuesday is the cheapest day to fly to Ko Samui from Australia. The lowest ticket price found for a Tuesday departure recently was $1,124. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Ko Samui for around $1,290.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Australia to Ko Samui flights are usually those with departure times in the evening. Our users have found flights to Ko Samui in the evening for as low as $946. Flights in the morning are often more expensive, with an average ticket price of $1,323.

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 $1,082 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 $914 on momondo.

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

You could potentially save up to 76% 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

12h 35m

Direct flights

None
The fastest flight from Australia to Ko Samui takes 12h 35m
There are no direct flights from Australia to Ko Samui. There are no popular flight routes from Australia to Ko Samui.
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 $492Free cancellationRating
6.7
311 reviews
Search Scoot flights
Singapore AirlinesPriceFrom $820Free cancellationRating
8.1
1,411 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $933Free cancellationRating
7.5
947 reviews
Search Qantas Airways flights
Bangkok AirwaysPriceFrom $1,157Free cancellationRating
8.0
118 reviews
Search Bangkok Airways flights
Thai AirwaysPriceFrom $1,280Free cancellationRating
7.8
362 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.

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