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Cheap flights from Perth to Ko Samui from $263

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
PER — USM
9 Jul — 16 Jul1
1 adult

Cheap flight deals from Perth to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 July 2025.

Round-trip from

$603

One-way from

$263

Popular in

December

Cheapest in

October

Average price

$942
Scoot
  • Scoot
  • 5/9-13/9
  • 2 total stops
  • 32h 30m total
  • Perth to Ko Samui
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Scoot
  • Scoot
  • 19/7
  • 1 total stop
  • 21h 35m total
  • Perth to Ko Samui
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($379 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($81 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Perth to Ko Samui

Cheapest flights from Perth to Ko Samui
Explore the most affordable flight options available from Perth to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Sun 17/821:55PER - USM
1 stop21h 35mScoot
Sun 24/819:25USM - PER
1 stop24h 15mScoot
Deal found 3/7$624
Thu 4/918:25PER - USM
1 stop25h 05mMultiple Airlines
Sun 14/908:00USM - PER
2 stops32h 10mMultiple Airlines
Deal found 3/7$638
Mon 10/1101:10PER - USM
1 stop10h 40mSingapore Airlines
Tue 9/1211:45USM - PER
1 stop11h 10mSingapore Airlines
Deal found 2/7$1,140
Wed 3/902:10PER - USM
2 stops13h 35mMalaysia Airlines
Sun 14/908:00USM - PER
2 stops16h 10mMalaysia Airlines
Deal found 3/7$1,162

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 4 July 2025.
Use the filters below to find and compare flights from Perth to Ko Samui that are best for you.

Fly from

Perth

Fly to

Ko Samui

Route

Depart

Return

Price

PerthKo Samui

PER - USM

PERUSM

Perth

Fri 5/9

21:55-18:30

1 stop21h 35m

Ko Samui

Sat 13/9

08:45-20:40

1 stop10h 55m

$603

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 4/9

18:25-18:30

1 stop25h 05m

Ko Samui

Sun 14/9

08:00-17:10

2 stops32h 10m

$638

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 10/11

01:10-10:50

1 stop10h 40m

Ko Samui

Tue 9/12

11:45-23:55

1 stop11h 10m

$1,140

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 19/7

21:55-18:30

1 stop21h 35m

$263

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 31/8

05:10-20:25

2 stops16h 15m

$362

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 16/8

01:10-11:10

1 stop11h 00m

$712

PerthKo Samui

PER - USM

PERUSM

Perth

Wed 22/10

02:10-20:30

2 stops19h 20m

$767

PerthKo Samui

PER - USM

PERUSM

Perth

Fri 29/8

12:50-21:10

3 stops33h 20m

$1,870

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a return flight from Perth to Ko Samui. Price data was last updated on 27 June 2025.

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 33 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, August is the cheapest month in which you can book a flight from Perth to Ko Samui (average of $533). Flying from Perth to Ko Samui in December is currently the most expensive (average of $1,051). 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.

What is the cheapest time of day to fly from PER to USM?

Find hourly flight availability from Perth to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

A simple way to save on the total cost of your ticket is to fly from Perth to Ko Samui in the afternoon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the morning.

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

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 4 July 2025.
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
8.1
Very Good
1,320 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,320 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qantas Airways
7.5
Good
868 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Scoot
6.7
Okay
306 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Perth to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 $603 on this airline. An additional option worth looking into is Singapore Airlines, starting at $1,140. Users have found that Scoot is 36% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Perth to Ko Samui one-way?

    One-way options have recently been found by users for as low as $263 on Scoot. Other airlines that offer cheap prices include Singapore Airlines from $712 and Qantas Airways from $1,870 one-way.

  • 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, August is the cheapest month in which you can book a flight from Perth to Ko Samui (average of $533). Flying from Perth to Ko Samui in December is currently the most expensive (average of $1,051). 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 Perth?

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

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Alternative routes for Perth to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
Perth to Suvarnabhumi flights
Perth to Don Mueang Intl flights
Perth to Phuket City flights
Perth to Krabi flights
Perth to Chiang Mai flights
Perth to Surat Thani flights

Top 5 airlines flying from Perth to Ko Samui

Discover the top 5 airlines that operate flights from Perth to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$511Average$724FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Singapore AirlinesCheapest$819Average$1,096FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$1,065Average$1,735FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Bangkok AirwaysCheapest$1,109Average$1,208FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Thai AirwaysCheapest$1,113Average$1,324FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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