Cheap Flights from Sydney to Koh Samui

View €207 flight on Sat, 25 Oct 2025Opens in a new window

Popular airlines from Sydney to Koh Samui

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Sydney to Koh Samui (SYD-USM)

Prices were available within the past 7 days and start at €207 for one-way flights and €390 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Mon, 11 Aug - Tue, 26 Aug
SYD
Sydney
USM
Koh Samui
€390 Return, found 3 days ago
€390
Return
found 3 days ago
Select Scoot flight, departing Mon, 11 Aug from Sydney to Koh Samui, returning Tue, 26 Aug, priced at €390 found 3 days ago
Scoot
Mon, 11 Aug - Tue, 26 Aug
SYD
Sydney
USM
Koh Samui
€433 Return, found 3 days ago
€433
Return
found 3 days ago
Select Scoot flight, departing Mon, 11 Aug from Sydney to Koh Samui, returning Tue, 26 Aug, priced at €433 found 3 days ago
Xiamen Airlines
Mon, 11 Aug - Tue, 26 Aug
SYD
Sydney
USM
Koh Samui
€597 Return, found 3 days ago
€597
Return
found 3 days ago
Select Xiamen Airlines flight, departing Mon, 11 Aug from Sydney to Koh Samui, returning Tue, 26 Aug, priced at €597 found 3 days ago
Bangkok Airways
Thu, 18 Sep - Sat, 27 Sep
SYD
Sydney
USM
Koh Samui
€960 Return, found 1 day ago
€960
Return
found 1 day ago
Select Bangkok Airways flight, departing Thu, 18 Sep from Sydney to Koh Samui, returning Sat, 27 Sep, priced at €960 found 1 day ago
Qantas Airways
Thu, 18 Sep - Sat, 27 Sep
SYD
Sydney
USM
Koh Samui
€966 Return, found 1 day ago
€966
Return
found 1 day ago
Select Qantas Airways flight, departing Thu, 18 Sep from Sydney to Koh Samui, returning Sat, 27 Sep, priced at €966 found 1 day ago
Malaysia Airlines
Thu, 18 Sep - Sat, 27 Sep
SYD
Sydney
USM
Koh Samui
€1,022 Return, found 1 day ago
€1,022
Return
found 1 day ago
Select Malaysia Airlines flight, departing Thu, 18 Sep from Sydney to Koh Samui, returning Sat, 27 Sep, priced at €1,022 found 1 day ago
*Available to Expedia members.