S$469 Cheap Flights from Sydney to Samui Intl. Airport

Round-trip flights between Sydney Airport and USM start from S$837. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.

Most flights can be conveniently cancelled online, but whether or not you are charged a fee depends on your airline. If you do need to cancel your break, follow the easy instructions in the Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Sydney Airport to Ko Samui Airport (USM) flights, you’ll see a “no change fees” filter for you to select.

The flight time from Kingsford Smith Intl. Airport (SYD) (SYD) to Ko Samui Airport (USM) is generally 10 hours and 32 minutes. It’s is no quick joyride, so make sure you fill your carry-on with plenty to keep you occupied.

The distance is around 7,200 kilometres. Travel pillow? Check. Toiletries? Double check. We recommend you pack all the travel comforts for this long-haul Sydney to Koh Samui flight.

There are no direct flights, so you’ll have to make at least one stop between Mascot Airport and USM. Take advantage of the layover time to stretch your legs and take a break.

Late planners can occasionally score a bargain, with some super cheap airfares from SYD to Ko Samui Airport arising a few weeks prior to the departure date. If you’d rather book ahead of time, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines advertise prices that far in advance.