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Cheap flights from Perth to Ko Samui from $282

PER — USM
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Perth to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Perth to Ko Samui

Sat 7/1110:35 -
1 stop25h 20m
Fri 20/1112:00 -
1 stop19h 25m
Deal found 30/10$769
Tue 24/1117:50 -
1 stop15h 10m
Mon 30/1108:55 -
1 stop22h 30m
Deal found 30/10$775
Wed 9/1210:35 -
1 stop9h 20m
Sun 20/1208:55 -
1 stop22h 30m
Deal found 1/11$779
Sat 7/1120:50 -
2 stops24h 40m
Fri 20/1107:55 -
2 stops23h 30m
Deal found 1/11$792
Tue 24/1110:35 -
2 stops21h 35m
Mon 30/1107:00 -
2 stops24h 25m
Deal found 30/10$804
Tue 3/1110:35 -
2 stops21h 35m
Tue 10/1107:00 -
2 stops32h 35m
Deal found 1/11$838
Fri 20/1110:35 -
1 stop25h 20m
Tue 24/1118:05 -
1 stop21h 30m
Deal found 2/11$843
Tue 1/1210:35 -
1 stop9h 20m
Mon 21/1208:55 -
1 stop22h 30m
Deal found 3/11$847
Mon 30/1104:50 -
2 stops17h 00m
Mon 21/1208:55 -
1 stop22h 30m
Deal found 3/11$870

Find flight deals from Perth to Ko Samui

Round-trip from

$702

One-way from

$282

Popular in

December

Cheapest in

February

Average price

$788
17/2-12/3
  • 17/2-12/3
  • 2 total stops
  • 30h 45m total
  • Perth to Ko Samui
Search Deals
Scoot
  • Scoot
  • 3/3-31/12
  • 1 total stop
  • 9h 20m total
  • Perth to Ko Samui
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($149 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights 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

Mon 23/11

17:50-07:10

3 stops38h 20m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

$460

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 23/11

10:35-08:00

1 stop22h 25m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

$500

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Tue 2/3

17:50-18:55

1 stop26h 05m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

$542

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 1/3

23:25-15:35

2 stops17h 10m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

$693

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Wed 17/2

10:35-18:55

1 stop9h 20m

Ko Samui

Fri 12/3

08:50-16:25

2 stops30h 35m

$749
Fastest return journey

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Tue 23/2

10:30-21:05

1 stop11h 35m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

$777

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Sun 28/2

10:30-21:05

1 stop11h 35m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

$807

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Wed 24/2

17:05-17:10

1 stop25h 05m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

$820

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Wed 3/3

02:30-13:05

2 stops11h 35m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

$923

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 1/3

00:45-20:25

2 stops20h 40m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

$928

Flights are sorted by cheapest return flights first.

Deals found on 30/10

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

Best time to book a flight from Perth to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Perth with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Perth to Ko Samui

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

The price you pay for your flight from Perth to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Perth to Ko Samui?

Currently, February is the cheapest month in which you can book a flight from Perth to Ko Samui (average of $775). Flying from Perth to Ko Samui in December is currently the most expensive (average of $1,426). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Perth to Ko Samui?

Airfare is below average for this route at the moment.

Perth to Ko Samui flights typically cost between $731 and $1,125 in February.
The cheapest return price found within the last 5 days was $702 on Multiple Airlines (17 Feb–12 Mar).

Reviews of airlines servicing Ko Samui

Read reviews from past customers who have flown with Singapore Airlines,Qantas Airways, andScoot from Perth to Ko Samui. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,635 reviews
Check prices

Entertainment

8.1

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

Overall

8.2

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Singapore Airlines
8.2
Very Good
1,635 reviews
Singapore Airlines
8.2
Very Good
1,635 reviews
Check prices

Entertainment

8.1

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

Overall

8.2

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Qantas Airways
7.5
Good
1,122 reviews
Singapore Airlines
8.2
Very Good
1,635 reviews
Check prices

Entertainment

8.1

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

Overall

8.2

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Scoot
6.7
Okay
337 reviews
Singapore Airlines
8.2
Very Good
1,635 reviews
Check prices

Entertainment

8.1

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

Overall

8.2

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Related info for your journey

  • How long is the flight from Perth to Ko Samui?

    Departing from Perth to Ko Samui will take you 15h 55m. The distance from Perth to Ko Samui is about 4910 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Perth to Ko Samui round-trip?

    Our cheapest airline available from Perth to Ko Samui is Scoot. Our recent data shows that you can find tickets from as low as $546 on this airline. Additional options worth looking into are Qantas Airways and Singapore Airlines, starting at $1,035 and $1,064 round-trip. Users have found that Scoot is 47% cheaper than the other options available to this destination.

  • Can I find deals for flights from Perth to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Perth to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Perth to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Perth to Ko Samui.

  • Can I find deals for business class flights from Perth to Ko Samui?

    Yes. Cheapflights offers flight deals from Perth to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Perth to Ko Samui?

    Currently, February is the cheapest month in which you can book a flight from Perth to Ko Samui (average of $775). Flying from Perth to Ko Samui in December is currently the most expensive (average of $1,426). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Perth to Ko Samui

Perth to Suvarnabhumi flights
Perth to Don Mueang Intl flights
Perth to Phuket City flights
Perth to Chiang Mai flights
Perth to Krabi flights
Perth to Surat Thani flights

Top 3 airlines flying from Perth to Ko Samui

AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$546Average$910FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Qantas AirwaysCheapest$1,035Average$1,132FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,064Average$1,382FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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How does Cheapflights help users find flights from Perth to Ko Samui?

Cheapflights makes it easy to find Perth to Ko Samui flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Perth to Ko Samui?

Millions of users choose and trust Cheapflights to book the best flight deals from Perth to Ko Samui for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Perth to Ko Samui with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Perth to Ko Samui flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Perth to Ko Samui become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ko Samui from Perth today and book when prices fit your budget.

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