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Cheap flights from Perth to Koh Samui from $276

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
PER — USM
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Perth to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Koh 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 21 February 2025.

Round-trip from

$709

One-way from

$276

Popular in

December

Cheapest in

October

Average price

$928
18/3-28/3
  • 18/3-28/3
  • 3 total stops
  • 46h 25m total
  • Perth to Koh Samui
Search Deals
Scoot
  • Scoot
  • 20/5
  • 1 total stop
  • 25h 05m total
  • Perth to Koh Samui
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($451 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($84 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Perth to Koh Samui

Cheapest flights from Perth to Koh Samui
Explore the most affordable flight options available from Perth to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Sun 31/818:25PER - USM
1 stop25h 05mMultiple Airlines
Wed 10/907:00USM - PER
3 stops20h 30mMultiple Airlines
Deal found 20/2$699
Thu 3/721:35PER - USM
1 stop21h 55mScoot
Thu 31/708:45USM - PER
1 stop10h 50mScoot
Deal found 19/2$770
Wed 19/301:10PER - USM
1 stop18h 20mSingapore Airlines
Thu 27/308:55USM - PER
1 stop26h 40mSingapore Airlines
Deal found 19/2$800
Wed 21/502:10PER - USM
2 stops19h 20mMalaysia Airlines
Thu 26/610:05USM - PER
2 stops14h 05mMalaysia Airlines
Deal found 20/2$1,085
Fri 2/500:10PER - USM
1 stop19h 25mCathay Pacific
Sat 10/507:00USM - PER
2 stops23h 45mCathay Pacific
Deal found 20/2$1,692
Tue 8/722:55PER - USM
2 stops23h 15mQantas Airways
Tue 15/708:20USM - PER
1 stop15h 20mQantas Airways
Deal found 20/2$2,353

Find flights from Perth to Koh Samui within your budget

Customise your flight search to find flights from Perth to Koh 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 21 February 2025.

Fly from

Perth

Fly to

Koh Samui

Route

Depart

Return

Price

PerthKoh Samui

PER - USM

PERUSM

Perth

Tue 18/3

18:30-18:30

2 stops25h 00m

Ko Samui

Fri 28/3

07:00-05:25

1 stop21h 25m

$709

PerthKoh Samui

PER - USM

PERUSM

Perth

Thu 3/7

21:35-18:30

1 stop21h 55m

Ko Samui

Thu 31/7

08:45-20:35

1 stop10h 50m

$770

PerthKoh Samui

PER - USM

PERUSM

Perth

Wed 19/3

01:10-18:30

1 stop18h 20m

Ko Samui

Thu 27/3

08:55-12:35

1 stop26h 40m

$800

PerthKoh Samui

PER - USM

PERUSM

Perth

Wed 21/5

02:10-20:30

2 stops19h 20m

Ko Samui

Thu 26/6

10:05-01:10

2 stops14h 05m

$1,085

PerthKoh Samui

PER - USM

PERUSM

Perth

Fri 2/5

00:10-18:35

1 stop19h 25m

Ko Samui

Sat 10/5

07:00-07:45

2 stops23h 45m

$1,692

PerthKoh Samui

PER - USM

PERUSM

Perth

Tue 8/7

22:55-21:10

2 stops23h 15m

Ko Samui

Tue 15/7

08:20-00:40

1 stop15h 20m

$2,353

PerthKoh Samui

PER - USM

PERUSM

Perth

Tue 20/5

18:25-18:30

1 stop25h 05m

$276

PerthKoh Samui

PER - USM

PERUSM

Perth

Tue 20/5

18:25-16:55

2 stops23h 30m

$321

PerthKoh Samui

PER - USM

PERUSM

Perth

Mon 19/5

01:10-11:15

1 stop11h 05m

$586

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Best time to book a flight from Perth to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh 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.

Travel insights for flights from Perth to Koh Samui

Get recent, data-driven insights about flights from Perth to Koh Samui including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Perth to Koh Samui. Price data was last updated on 14 February 2025.

To ensure you get the cheapest price possible for a flight from Perth to Koh Samui, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Perth to Koh Samui (average of $533). Flying from Perth to Koh 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 Koh Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

A simple way to save on the total cost of your ticket is to fly from Perth to Koh 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.

Rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Koh Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Koh Samui when rainfall is around 58.0 mm.

Temperature in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Koh Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh 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 Koh Samui. Reviews last updated 21 February 2025.
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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
1,297 reviews
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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.

Cathay Pacific
7.5
Good
820 reviews
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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
7.4
Good
813 reviews
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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.

Malaysia Airlines
7.4
Good
263 reviews
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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
298 reviews
Singapore Airlines
8.1
Very Good
1,297 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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 Koh 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 Koh Samui round-trip?

    According to our current data, Scoot ($770), Singapore Airlines ($800), and Malaysia Airlines ($1,085) offers the cheapest pricing from Perth to Koh Samui. Scoot is 23% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Perth to Koh 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 Koh Samui?

    Currently, August is the cheapest month in which you can book a flight from Perth to Koh Samui (average of $533). Flying from Perth to Koh 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 Pha Ngan
Ko Tao

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Alternative routes for Perth to Koh Samui

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

Top 5 airlines flying from Perth to Koh Samui

Discover the top 5 airlines that operate flights from Perth to Koh 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$521Average$753FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Singapore AirlinesCheapest$779Average$1,087FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest$1,098Average$1,517FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Bangkok AirwaysCheapest$1,161Average$1,252FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Qantas AirwaysCheapest$1,383Average$2,308FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Perth to Koh 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 Koh Samui?

Millions of users choose and trust Cheapflights to book the best flight deals from Perth to Koh 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 Koh Samui with no change fees?

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

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

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

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