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Cheap Flights from Sydney to Koh Samui
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Prices are from searches made in the last 24 hours and current prices may differ.
Do you need to catch a flight to Sydney? Check out our domestic flights to Sydney. If Sydney is not your closest airport, then here are all our flights to Koh Samui from United Kingdom and flights to Thailand. Maybe a different destination? Here are all the flights from Sydney
Average Sydney to Koh Samui Return Prices
These are the average prices for Sydney to Koh Samui return airfares.
December 2025
£1,624
January 2026
£1,303
February 2026
£824
March 2026
£718
April 2026
£905
May 2026
£692
June 2026
£772
July 2026
£784
August 2026
£697
Did you know...
- Sydney has the International Air Transport Association (IATA) code of SYD and Koh Samui has USM.
- 14 hours is the shortest one-way trip between Sydney and Koh Samui. Singapore
- The distance from Sydney to Koh Samui is 7,238 kilometres.
How to get from Sydney to Koh Samui
Sydney (SYD)
to Singapore (SIN)
8h 20m
Layover - 1h 15m
Singapore (SIN)
to Koh Samui (USM)
1h 45m
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