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Cheap flights from Perth to Ko Samui from $279

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Ko Samui departing on 22/8. 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 Perth to Ko Samui

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:30 - 20:25
PER
-
USM
13h 55m
1 stop
Multiple Airlines Logo
12:30 - 17:10
USM
-
PER
27h 40m
2 stops
$685Multiple Airlines
Sun, 14 Jun - Sun, 21 Jun
Scoot Logo
05:35 - 18:50
PER
-
USM
14h 15m
1 stop
Scoot Logo
08:55 - 04:15
USM
-
PER
18h 20m
1 stop
$689Scoot
Tue, 10 Nov - Sun, 15 Nov
Scoot Logo
05:35 - 18:50
PER
-
USM
14h 15m
1 stop
Scoot Logo
18:15 - 04:20
USM
-
PER
9h 05m
1 stop
$695Scoot
Tue, 4 Aug - Thu, 13 Aug
Scoot Logo
05:35 - 18:50
PER
-
USM
14h 15m
1 stop
Scoot Logo
18:15 - 17:10
USM
-
PER
21h 55m
1 stop
$696Scoot
Tue, 4 Aug - Thu, 13 Aug
Scoot Logo
05:35 - 18:50
PER
-
USM
14h 15m
1 stop
Scoot Logo
08:40 - 04:20
USM
-
PER
18h 40m
1 stop
$702Scoot
Tue, 4 Aug - Thu, 13 Aug
Multiple Airlines Logo
20:25 - 18:50
PER
-
USM
23h 25m
2 stops
Multiple Airlines Logo
08:55 - 16:30
USM
-
PER
30h 35m
1 stop
$729Multiple Airlines
Tue, 10 Nov - Sun, 15 Nov
Multiple Airlines Logo
07:30 - 20:25
PER
-
USM
13h 55m
1 stop
Multiple Airlines Logo
12:30 - 17:10
USM
-
PER
27h 40m
2 stops
$731Multiple Airlines
Sun, 7 Jun - Thu, 18 Jun
Scoot Logo
05:35 - 18:50
PER
-
USM
14h 15m
1 stop
Scoot Logo
08:40 - 04:20
USM
-
PER
18h 40m
1 stop
$737Scoot
Tue, 4 Aug - Thu, 13 Aug
Multiple Airlines Logo
07:30 - 18:00
PER
-
USM
11h 30m
1 stop
Multiple Airlines Logo
11:05 - 17:10
USM
-
PER
29h 05m
1 stop
$747Multiple Airlines
Sun, 7 Jun - Thu, 18 Jun
Multiple Airlines Logo
07:30 - 18:00
PER
-
USM
11h 30m
1 stop
Multiple Airlines Logo
08:40 - 04:20
USM
-
PER
18h 40m
1 stop
$755Multiple Airlines
Sun, 7 Jun - Thu, 18 Jun

Scoot flights from Perth to Ko Samui

Our best Scoot deals on Perth to Ko Samui flight tickets
Scoot
10 Nov
PER05:35Perth
14h 15m
1 stop
USM18:50Ko Samui
15 Nov
USM08:55Ko Samui
18h 20m
1 stop
PER04:15Perth
$689
Scoot
4 Aug
PER05:35Perth
14h 15m
1 stop
USM18:50Ko Samui
13 Aug
USM18:15Ko Samui
9h 05m
1 stop
PER04:20Perth
$695
Scoot
4 Aug
PER05:35Perth
14h 15m
1 stop
USM18:50Ko Samui
13 Aug
USM18:15Ko Samui
21h 55m
1 stop
PER17:10Perth
$696

momondo Fare Finder

 
Customise your flight search to find flights from Perth 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 15 May 2026.
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 - USM

PERUSM

Perth

Sun 14/6

07:30-20:25

1 stop13h 55m

Ko Samui

Sun 21/6

12:30-17:10

2 stops27h 40m

$685

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 10/11

05:35-18:50

1 stop14h 15m

Ko Samui

Sun 15/11

08:55-04:15

1 stop18h 20m

$689
Fastest return journey

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 4/8

05:35-18:50

1 stop14h 15m

Ko Samui

Thu 13/8

18:15-04:20

1 stop9h 05m

$695

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 4/8

05:35-18:50

1 stop14h 15m

Ko Samui

Thu 13/8

18:15-17:10

1 stop21h 55m

$696

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 4/8

05:35-18:50

1 stop14h 15m

Ko Samui

Thu 13/8

08:40-04:20

1 stop18h 40m

$702

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 10/11

20:25-18:50

2 stops23h 25m

Ko Samui

Sun 15/11

08:55-16:30

1 stop30h 35m

$729

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 7/6

07:30-20:25

1 stop13h 55m

Ko Samui

Thu 18/6

12:30-17:10

2 stops27h 40m

$731

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 4/8

05:35-18:50

1 stop14h 15m

Ko Samui

Thu 13/8

08:40-04:20

1 stop18h 40m

$737

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 7/6

07:30-18:00

1 stop11h 30m

Ko Samui

Thu 18/6

11:05-17:10

1 stop29h 05m

$747

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 7/6

07:30-18:00

1 stop11h 30m

Ko Samui

Thu 18/6

08:40-04:20

1 stop18h 40m

$755

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?

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 $560. If you aren’t able to travel during the month of November, then book flights to Ko Samui from Perth during August instead. Flights to Ko Samui in August, while not as cheap as those in November, still average around $595.

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 $845 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 $610 on momondo.

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

As of May 2026, prices for Perth to Ko Samui flights are approximately 2% cheaper 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

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from Perth to Ko Samui takes 11h 35m
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 35m.

  • 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 $449Free cancellationRating
6.7
325 reviews
Search Scoot flights
Qantas AirwaysPriceFrom $884Free cancellationRating
7.5
1,037 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $899Free cancellationRating
8.2
1,513 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.

An easier way to manage your Ko Samui trip

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