CA $317 Cheap Flights from Perth (PER) to Samui Intl. Airport (USM)

Start packing your bags, because round-trip journeys from Perth Airport to Ko Samui Airport start from CA $806. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.

This can differ between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel your flight online.

Select our "No change fees" filter to find flexible ticketing options for your flight from Perth Airport to Ko Samui Airport (USM). This allows you to lock in a good price in advance and still have the freedom to make changes without any extra fees. Just keep in mind that fare differences may still apply.

The average flight between Perth Airport (PER) and Ko Samui Airport is 7 hours and 42 minutes. If you get peckish on longer flights, pack some fruit or snacks in your carry-on luggage.

With around 4,900 kilometres separating PER and Ko Samui Airport, your flight will be a long one. Pack wisely to make your time in the air more comfortable. Little things like a sleep mask and a good neck pillow can make the biggest difference.

Flying directly between Perth Airport and Ko Samui Airport (USM) isn't possible at the moment. However, you'll still be able to find a flight to Koh Samui with at least one stop.

Late planners can sometimes pick up a bargain, with some of the cheapest airfares from Perth Airport to Ko Samui Airport popping up a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines advertise prices that far in advance.