Cheap flights from Perth to Samui International

Compare Perth to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

Book the best Samui International fare with no extra fees

Flight deals from Perth to Samui International

Looking for a cheap last-minute deal or the best round-trip flight from Perth Airport to Samui International Airport? If you want to travel next month, round-trip fares start from $616. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Perth to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Perth to Samui International flights are currently cheapest in September.

Perth to Samui International: Alternative routes

Compare routes from Perth to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

Perth to Koh Samui: Flight information

The things to know before you go.
Cheapest flight found$414
Cheapest month to flyOctober

Finding cheap flights from Perth to Samui International: Frequently asked questions

The best price we found for a round-trip flight from Perth to Samui International is $414. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Perth to Samui International. But we found flights with one or more stops from $414.
There are no flights flying from Perth to Samui International, as of June 2026.
The cheapest month to fly from Perth to Samui International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Perth Airport to Samui International Airport on Sunday, October 25, 2026.
No airlines currently offer direct flights between Perth Airport and Samui International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Scoot offers the cheapest flight tickets to Samui International.

Traveling from Perth Airport (PER) to Samui International Airport (USM): what you need to know

  • Koh Samui is one hour behind Perth and observes the UTC+7 timezone.

  • Arrive at the airport on time so you don't miss your PER to USM flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Flying during a peak month like July? Major public holidays and other popular seasons can lead to longer lines and delays at airport checkpoints. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.

  • Consider adding a stopover when booking your ticket from Perth Airport to Samui International Airport. Simply uncheck 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here are some options between PER and USM:

    • Bangkok Suvarnabhumi Airport

    • Singapore Changi Airport

    • Phuket Airport

How to find the cheapest flights from Perth Airport (PER) to Samui International Airport (USM)

  • The lowest price we've seen for a one-way Perth Airport to Samui International Airport flight is $181. A round-trip plane ticket right now is $414. Depending on the availability when you book, these fares can change.

  • It's often best to book ahead of time if you're looking for cheap tickets from PER to USM. That's because flight prices are based on demand, which tends to increase closer to departure.

  • The 'Whole month' search tool shows you the cheapest flights from Perth Airport to Samui International Airport throughout the entire month. It's a good way to find a bargain if your dates aren't set in stone.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll send you an update the moment the price changes on cheap flights from PER to USM.

  • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Perth Airport to Samui International Airport.

Handy information about Perth Airport (PER)

  • 74% of flights leaving from Perth Airport reach their destination on time.

  • To get to Perth Airport from central Perth, it'll take around 20 minutes if you're going by car. This depends on traffic though. It's approximately 11 kilometers from the airport to the city center.

  • You can expect a trip time of about 25 minutes on public transport.

  • Have an early flight from Perth Airport to Samui International Airport? Avoid the hassle of rushing to the terminal (and get some extra shut-eye) by choosing one of these hotels close to PER:

Arriving at Samui International Airport (USM)

  • If you're getting in on a late Perth Airport to Samui International Airport flight, nothing tops the convenience of being near the terminal. Collect your bags from the carousel and then be showered and sleeping soon after at one of these options near USM:

  • Explore without limits with a Samui International Airport rental car. Pick up your wheels from asap car rental, Hertz or Drive Car Rental and experience more of Koh Samui and beyond.

  • For the best deal, book your ride from Samui International Airport around four weeks before traveling.

When to fly to Samui International Airport (USM)

  • It's time to pick your trip dates for your flight from Perth Airport to Samui International Airport. December is the busiest month to visit Koh Samui. If you prefer a more laid-back vibe, go in May.

  • Lock in your flight from Perth Airport to Samui International Airport for May if you want to visit Koh Samui during its warmest month. Expect temperatures of between 25ºC (77ºF) and 30ºC (86ºF).

  • Look for cheap tickets from PER to USM in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 23ºC (73ºF) and 28ºC (82ºF) on average.

Explore more of Thailand

  • You've seen Koh Samui, now it's time to discover more of Thailand. Journey about 467 kilometers north to Bangkok to tick off its popular sights. From Grand Palace to Wat Phra Kaew and Songkran Festival Silom, there's plenty to keep you busy.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.