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Cheap flights from Perth to Ko Samui from $252

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 20/7. 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

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.
Scoot Logo
09:55 - 18:50
PER
-
USM
9h 55m
1 stop
Scoot Logo
18:15 - 04:20
USM
-
PER
9h 05m
1 stop
$513Scoot
Mon, 31 Aug - Mon, 21 Sep
Scoot Logo
09:55 - 18:50
PER
-
USM
9h 55m
1 stop
Scoot Logo
18:15 - 04:20
USM
-
PER
9h 05m
1 stop
$517Scoot
Mon, 24 Aug - Mon, 21 Sep
Multiple Airlines Logo
09:55 - 07:45
PER
-
USM
22h 50m
1 stop
Multiple Airlines Logo
09:15 - 17:10
USM
-
PER
30h 55m
2 stops
$620Multiple Airlines
Mon, 17 Aug - Fri, 11 Sep
Scoot Logo
09:55 - 07:45
PER
-
USM
22h 50m
1 stop
Scoot Logo
08:40 - 04:20
USM
-
PER
18h 40m
1 stop
$623Scoot
Mon, 17 Aug - Fri, 11 Sep
Scoot Logo
05:35 - 18:50
PER
-
USM
14h 15m
1 stop
Scoot Logo
18:15 - 04:20
USM
-
PER
9h 05m
1 stop
$638Scoot
Tue, 4 Aug - Thu, 13 Aug
Multiple Airlines Logo
07:30 - 20:25
PER
-
USM
13h 55m
1 stop
Multiple Airlines Logo
11:05 - 17:10
USM
-
PER
29h 05m
1 stop
$655Multiple Airlines
Thu, 11 Jun - Thu, 25 Jun
Multiple Airlines Logo
07:30 - 20:25
PER
-
USM
13h 55m
1 stop
Multiple Airlines Logo
08:00 - 17:10
USM
-
PER
32h 10m
2 stops
$671Multiple Airlines
Tue, 9 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
$673Scoot
Sat, 1 Aug - Thu, 20 Aug
Multiple Airlines Logo
09:55 - 07:10
PER
-
USM
22h 15m
2 stops
Multiple Airlines Logo
08:00 - 17:10
USM
-
PER
32h 10m
2 stops
$677Multiple Airlines
Mon, 24 Aug - Mon, 21 Sep
Multiple Airlines Logo
05:35 - 07:10
PER
-
USM
26h 35m
2 stops
Multiple Airlines Logo
08:40 - 04:20
USM
-
PER
18h 40m
1 stop
$683Multiple Airlines
Tue, 9 Jun - Thu, 18 Jun

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Scoot flights from Perth to Ko Samui

Our best Scoot deals on Perth to Ko Samui flight tickets
Scoot
31 Aug
PER09:55Perth
9h 55m
1 stop
USM18:50Ko Samui
21 Sept
USM18:15Ko Samui
9h 05m
1 stop
PER04:20Perth
$513
Scoot
24 Aug
PER09:55Perth
9h 55m
1 stop
USM18:50Ko Samui
21 Sept
USM18:15Ko Samui
9h 05m
1 stop
PER04:20Perth
$517
Scoot
17 Aug
PER09:55Perth
22h 50m
1 stop
USM07:45Ko Samui
11 Sept
USM08:40Ko Samui
18h 40m
1 stop
PER04:20Perth
$623

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 3 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
Fastest return journey

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 31/8

09:55-18:50

1 stop9h 55m

Ko Samui

Mon 21/9

18:15-04:20

1 stop9h 05m

$513

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 24/8

09:55-18:50

1 stop9h 55m

Ko Samui

Mon 21/9

18:15-04:20

1 stop9h 05m

$517

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 17/8

09:55-07:45

1 stop22h 50m

Ko Samui

Fri 11/9

09:15-17:10

2 stops30h 55m

$620

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 17/8

09:55-07:45

1 stop22h 50m

Ko Samui

Fri 11/9

08:40-04:20

1 stop18h 40m

$623

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

$638

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 11/6

07:30-20:25

1 stop13h 55m

Ko Samui

Thu 25/6

11:05-17:10

1 stop29h 05m

$655

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 9/6

07:30-20:25

1 stop13h 55m

Ko Samui

Thu 18/6

08:00-17:10

2 stops32h 10m

$671

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 1/8

05:35-18:50

1 stop14h 15m

Ko Samui

Thu 20/8

08:40-04:20

1 stop18h 40m

$673

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 24/8

09:55-07:10

2 stops22h 15m

Ko Samui

Mon 21/9

08:00-17:10

2 stops32h 10m

$677

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 9/6

05:35-07:10

2 stops26h 35m

Ko Samui

Thu 18/6

08:40-04:20

1 stop18h 40m

$683

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 $542. 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 $592.

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 $830 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 $623 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

9h 55m

Direct flights

Mon

Airports in Ko Samui

1 airport
The fastest flight from Perth to Ko Samui takes 9h 55m
Direct flights go from Perth to Ko Samui on Monday. There are no airlines offering direct flights..
There is 1 airport in Ko Samui. From Perth there are direct flights to Ko Samui (USM).
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 9h 55m.

  • 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 $447Free cancellationRating
6.7
326 reviews
Search Scoot flights
Singapore AirlinesPriceFrom $826Free cancellationRating
8.2
1,506 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $879Free cancellationRating
7.5
1,029 reviews
Search Qantas Airways 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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