฿20,875 Cheap Cathay Pacific flights from Sydney to Samui Intl. Airport (SYD→USM)

View ฿20,875 flight on Tue, 20 Jan 2026Opens in a new window
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Cathay Pacific flights from Sydney to Samui Intl. Airport (SYD→USM)

Prices were available within the past 7 days and start at ฿20,875 for one-way flights and ฿36,545 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Thu, 12 Mar - Thu, 19 Mar
SYD
Sydney
USM
Koh Samui
฿36,545 Return, found 2 days ago
฿36,545
Return
found 2 days ago
Select Cathay Pacific flight, departing Thu, 12 Mar from Sydney to Koh Samui, returning Thu, 19 Mar, priced at ฿36,545 found 2 days ago
Flight from Sydney to Samui Intl. Airport route information
Origin airport
Kingsford Smith Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways, British Airways, Qantas Airways, Scoot, Singapore Airlines, Thai Airways International
Popular airline
Bangkok Airways
Distance
7195 km

Frequently asked questions

How much is a Cathay Pacific flight from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
You can find budget-friendly return Cathay Pacific flights from ฿36,545 from SYD to USM by organising your results from "Price (lowest to highest)" on Expedia. Or search for bargains from ฿20,875 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SYD to USM with Cathay Pacific?
Cathay Pacific flights to Koh Samui are often cheaper in the low-season months of October and September. Whether you're after a return or one-way ticket, you could find a better deal then.
Does Cathay Pacific fly nonstop from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
To find out if there's a direct trip from SYD to USM with Cathay Pacific or another airline, check the "Nonstop" box when searching for tickets.
What airports does Cathay Pacific fly into in Koh Samui?
Ko Samui Airport (USM) is the primary Koh Samui gateway for Cathay Pacific flights from Kingsford Smith Intl. Airport (SYD).
What kind of luggage can I take on a Cathay Pacific flight from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
With Cathay Pacific, you can fly standard economy from SYD to USM with a small personal item and 1 cabin bag. Your carry-on bag should be no larger than 56 centimetres x 23 centimetres x 36 centimetres and weigh under 15 kgs. Exceeding baggage restrictions could lead to additional fees, so read your airline's latest policies before booking.
Can I change or cancel my Cathay Pacific flight from Kingsford Smith Intl. Airport (SYD) to Ko Samui Airport (USM)?
Depending on the type of ticket you purchased, a fee generally applies if you modify or cancel your booking more than 24 hours after confirmation. To find flexible fares, select our "No cancel fee" or "Changes included" filter while looking for flights. For additional information on modifying or cancelling your reservation, go to "Trips," select your flight and tick "Manage Booking."
*Available to Expedia members.