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Cheap flights from Perth to Ko Samui from $330

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Perth to Ko Samui

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:30 - 20:25PER  Perth-USM Ko Samui
13h 55m1 stop Phuket City
Multiple Airlines Logo
19:00 - 04:20USM  Ko Samui-PER Perth
32h 20m2 stops Phuket City Singapore Changi
$669Multiple Airlines
Thu, 15 Oct - Wed, 21 Oct
Multiple Airlines Logo
16:00 - 18:00PER  Perth-USM Ko Samui
27h 00m1 stop Phuket City
Multiple Airlines Logo
19:00 - 04:20USM  Ko Samui-PER Perth
32h 20m2 stops Phuket City Singapore Changi
$672Multiple Airlines
Fri, 16 Oct - Fri, 23 Oct
Multiple Airlines Logo
16:00 - 20:25PER  Perth-USM Ko Samui
29h 25m1 stop Phuket City
Multiple Airlines Logo
19:00 - 04:20USM  Ko Samui-PER Perth
32h 20m2 stops Phuket City Singapore Changi
$675Multiple Airlines
Wed, 14 Oct - Wed, 21 Oct
Scoot Logo
18:25 - 18:50PER  Perth-USM Ko Samui
25h 25m1 stop Singapore Changi
Scoot Logo
12:00 - 19:40USM  Ko Samui-PER Perth
30h 40m1 stop Singapore Changi
$686Scoot
Tue, 20 Oct - Mon, 2 Nov
Scoot Logo
05:35 - 17:20PER  Perth-USM Ko Samui
12h 45m1 stop Singapore Changi
Scoot Logo
08:40 - 08:10USM  Ko Samui-PER Perth
22h 30m1 stop Singapore Changi
$689Scoot
Fri, 16 Oct - Sun, 18 Oct
Scoot Logo
21:10 - 17:10PER  Perth-USM Ko Samui
21h 00m1 stop Singapore Changi
Scoot Logo
08:55 - 19:40USM  Ko Samui-PER Perth
9h 45m1 stop Singapore Changi
$753Scoot
Sat, 21 Nov - Tue, 24 Nov
Qantas Airways Logo
12:15 - 18:15PER  Perth-USM Ko Samui
31h 00m1 stop Singapore Changi
Qantas Airways Logo
13:30 - 00:40USM  Ko Samui-PER Perth
10h 10m1 stop Singapore Changi
$1,113Qantas Airways
Mon, 19 Oct - Thu, 22 Oct
Qantas Airways Logo
12:15 - 18:15PER  Perth-USM Ko Samui
31h 00m1 stop Singapore Changi
Qantas Airways Logo
13:30 - 00:40USM  Ko Samui-PER Perth
10h 10m1 stop Singapore Changi
$1,116Qantas Airways
Mon, 19 Oct - Thu, 22 Oct
Singapore Airlines Logo
06:40 - 18:50PER  Perth-USM Ko Samui
13h 10m1 stop Singapore Changi
Singapore Airlines Logo
08:55 - 00:05USM  Ko Samui-PER Perth
14h 10m1 stop Singapore Changi
$1,265Singapore Airlines
Fri, 29 Jan - Sat, 6 Feb
Singapore Airlines Logo
17:05 - 08:00PER  Perth-USM Ko Samui
15h 55m1 stop Singapore Changi
Singapore Airlines Logo
19:45 - 12:35USM  Ko Samui-PER Perth
15h 50m1 stop Singapore Changi
$2,341Singapore Airlines
Tue, 12 Jan - Tue, 26 Jan

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Scoot flights from Perth to Ko Samui

Our best Scoot deals on Perth to Ko Samui flight tickets
Scoot
20 Oct
PER18:25Perth
25h 25m
1 stop
USM18:50Ko Samui
2 Nov
USM12:00Ko Samui
30h 40m
1 stop
PER19:40Perth
$686
Scoot
16 Oct
PER05:35Perth
12h 45m
1 stop
USM17:20Ko Samui
18 Oct
USM08:40Ko Samui
22h 30m
1 stop
PER08:10Perth
$689
Scoot
21 Nov
PER21:10Perth
21h 00m
1 stop
USM17:10Ko Samui
24 Nov
USM08:55Ko Samui
9h 45m
1 stop
PER19:40Perth
$753

momondo Fare Finder

 
Use the filters below to find and compare flights from Perth to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Thu 15/10

07:30-20:25

1 stop13h 55m

Ko Samui

Wed 21/10

19:00-04:20

2 stops32h 20m

$669

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 16/10

16:00-18:00

1 stop27h 00m

Ko Samui

Fri 23/10

19:00-04:20

2 stops32h 20m

$672

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Wed 14/10

16:00-20:25

1 stop29h 25m

Ko Samui

Wed 21/10

19:00-04:20

2 stops32h 20m

$675

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Tue 20/10

18:25-18:50

1 stop25h 25m

Ko Samui

Mon 2/11

12:00-19:40

1 stop30h 40m

$686

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 16/10

05:35-17:20

1 stop12h 45m

Ko Samui

Sun 18/10

08:40-08:10

1 stop22h 30m

$689

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Sat 21/11

21:10-17:10

1 stop21h 00m

Ko Samui

Tue 24/11

08:55-19:40

1 stop9h 45m

$753

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 19/10

12:15-18:15

1 stop31h 00m

Ko Samui

Thu 22/10

13:30-00:40

1 stop10h 10m

$1,113

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 19/10

12:15-18:15

1 stop31h 00m

Ko Samui

Thu 22/10

13:30-00:40

1 stop10h 10m

$1,116
Fastest return journey

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 29/1

06:40-18:50

1 stop13h 10m

Ko Samui

Sat 6/2

08:55-00:05

1 stop14h 10m

$1,265

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Tue 12/1

17:05-08:00

1 stop15h 55m

Ko Samui

Tue 26/1

19:45-12:35

1 stop15h 50m

$2,341

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 Perth 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 typical price of a round-trip flight between Perth and Ko Samui?

Prices are currently low for flights on this route.

Typical prices usually range from $920 to $1,344.
The lowest price recently found on this route was $669.

What is the cheapest month to fly to Ko Samui?

The month of November is, on average, the cheapest month to fly to Ko Samui from Perth, with most prices found around $722. If you aren’t able to travel during the month of November, then book flights to Ko Samui from Perth during February instead. Flights to Ko Samui in February, while not as cheap as those in November, still average around $750.

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

You are more likely to see cheaper flights to Ko Samui from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $1,012 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 Perth for as low as $859 on momondo.

How have Perth to Ko Samui flight prices changed over time?

As of September 2026, prices for Perth to Ko Samui flights are approximately 36% more expensive when compared to flights at the same time last year.

When to book flights from Perth to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Perth to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Perth to Ko Samui (PER to USM) flight deals and tips

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

Best price found

$330

Fastest flight time

11h 50m

Direct flights

None
The best one-way flight to Ko Samui from Perth in the past 72 hours is $330. The best return flight deal from Perth to Ko Samui found on momondo in the last 72 hours is $669.
The fastest flight from Perth to Ko Samui takes 11h 50m
There are no direct flights from Perth to Ko Samui. There are no popular flight routes from Perth to Ko Samui.
Search flight deals

Frequently asked questions about flying from Perth to Ko Samui

  • How far is Perth to Ko Samui by plane?

    A flight from Perth to Ko Samui will travel around 4905.0 km. In terms of flight time, this usually takes a little over 11h 50m.

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

    Prices for flights from Perth Airport to Ko Samui Airport refresh daily.

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

  • How old do you have to be to fly from Perth Airport 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 Perth Airport to Ko Samui Airport.

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

    The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Perth to Ko Samui?

Best airlines flying from Perth to Ko Samui

Compare and see reviews for airlines that fly from Perth to Ko Samui with momondo
Airline
Rating
Free cancellation
Price
ScootPriceFrom $512Free cancellationRating
6.7
334 reviews
Search Scoot flights
Qantas AirwaysPriceFrom $883Free cancellationRating
7.5
1,094 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $956Free cancellationRating
8.2
1,600 reviews
Search Singapore Airlines flights

Travelling to a place near Ko Samui?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Perth to Ko Samui for you.

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

Yes. All flights to Ko Samui from Perth on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ko Samui from Perth.

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

Yes momondo offers price alerts on flights to Ko Samui from Perth. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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