Cheap Flights from Sydney to Koh Samui
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TR Return flights from £334
Dep.art Thu 26 FebRet.urn Thu 12 Mar£334
Dep.art Mon 23 MarRet.urn Tue 31 Mar£386
TRShow more Flights
Dep.art Sat 04 JulRet.urn Fri 17 Jul£686
Dep.art Sun 05 JulRet.urn Fri 17 Jul£686
OD,TR Return flights from £445
Dep.art Thu 26 FebRet.urn Thu 12 Mar£445
Dep.art Sat 04 JulRet.urn Fri 17 Jul£929
OD,TRShow more Flights
Dep.art Sun 05 JulRet.urn Fri 17 Jul£929
AK,D7,PG,TR Return flights from £449
Dep.art Thu 26 FebRet.urn Thu 12 Mar£449
Dep.art Sat 04 JulRet.urn Fri 17 Jul£816
AK,D7,PG,TRShow more Flights
Dep.art Sun 05 JulRet.urn Fri 17 Jul£816
PG,TR Return flights from £452
Dep.art Thu 26 FebRet.urn Thu 12 Mar£452
Dep.art Mon 23 MarRet.urn Tue 31 Mar£566
PG,TRShow more Flights
Dep.art Sat 04 JulRet.urn Fri 17 Jul£787
Dep.art Sun 05 JulRet.urn Fri 17 Jul£787
AK,D7,TR Return flights from £453
Dep.art Thu 26 FebRet.urn Thu 12 Mar£453
JQ,TR Return flights from £464
Dep.art Thu 26 FebRet.urn Thu 12 Mar£464
Dep.art Mon 23 MarRet.urn Tue 31 Mar£569
JQ,TRShow more Flights
Dep.art Sat 04 JulRet.urn Fri 17 Jul£817
Dep.art Sun 05 JulRet.urn Fri 17 Jul£817
OD,PG,TR Return flights from £488
Dep.art Thu 26 FebRet.urn Thu 12 Mar£488
Dep.art Sun 05 JulRet.urn Fri 17 Jul£981
OD,PG,TRShow more Flights
Dep.art Sat 04 JulRet.urn Fri 17 Jul£1,033
TR,VA Return flights from £504
Dep.art Mon 23 MarRet.urn Tue 31 Mar£504
Dep.art Thu 26 FebRet.urn Thu 12 Mar£585
TR,VAShow more Flights
Dep.art Sun 05 JulRet.urn Fri 17 Jul£884
ID,TR Return flights from £521
Dep.art Thu 26 FebRet.urn Thu 12 Mar£521
PG,TR,VJ Return flights from £527
Dep.art Thu 26 FebRet.urn Thu 12 Mar£527
Dep.art Sat 04 JulRet.urn Fri 17 Jul£607
PG,TR,VJShow more Flights
Dep.art Sun 05 JulRet.urn Fri 17 Jul£654
MH,PG,TR Return flights from £527
Dep.art Thu 26 FebRet.urn Thu 12 Mar£527
Dep.art Mon 23 MarRet.urn Tue 31 Mar£683
MH,PG,TRShow more Flights
Dep.art Sun 05 JulRet.urn Fri 17 Jul£824
Dep.art Sat 04 JulRet.urn Fri 17 Jul£831
OD,PG,QZ,TR Return flights from £550
Dep.art Thu 26 FebRet.urn Thu 12 Mar£550
3U,PG,TR Return flights from £550
Dep.art Mon 23 MarRet.urn Tue 31 Mar£550
CZ,PG,TR Return flights from £556
Dep.art Thu 26 FebRet.urn Thu 12 Mar£556
Dep.art Mon 23 MarRet.urn Tue 31 Mar£573
CZ,PG,TRShow more Flights
Dep.art Sat 04 JulRet.urn Fri 17 Jul£1,053
Dep.art Sun 05 JulRet.urn Fri 17 Jul£1,055
MH,PG Return flights from £557
Dep.art Thu 26 FebRet.urn Thu 12 Mar£557
Dep.art Mon 23 MarRet.urn Tue 31 Mar£695
MH,PGShow more Flights
Dep.art Sat 04 JulRet.urn Fri 17 Jul£905
Dep.art Sun 05 JulRet.urn Fri 17 Jul£905
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
£1,631
January 2026
£1,308
February 2026
£828
March 2026
£721
April 2026
£909
May 2026
£695
June 2026
£775
July 2026
£787
August 2026
£700
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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