Cheap flights from Cairns to Ko Samui – Compare and Save

CNS — USM
19 Jun — 26 Jun1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Cairns to Ko Samui
Explore the most affordable flight options available from Cairns to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 May 2026.

Fri 30/1014:55
CNS
-
USM
2 stops33h 10m
Qantas Airways
Tue 3/1113:55
USM
-
CNS
2 stops21h 15m
Qantas Airways
Deal found 17/5$1,600
Fri 30/1014:55
CNS
-
USM
2 stops54h 20m
Qantas Airways
Tue 3/1114:05
USM
-
CNS
2 stops23h 50m
Qantas Airways
Deal found 15/5$1,602
Fri 23/1009:25
CNS
-
USM
2 stops38h 45m
Qantas Airways
Tue 27/1008:15
USM
-
CNS
2 stops35h 25m
Qantas Airways
Deal found 19/5$1,609
Fri 23/1011:20
CNS
-
USM
2 stops36h 50m
Qantas Airways
Tue 27/1013:25
USM
-
CNS
2 stops30h 15m
Qantas Airways
Deal found 18/5$1,618
Fri 23/1018:15
CNS
-
USM
1 stop16h 30m
Singapore Airlines
Tue 27/1012:00
USM
-
CNS
1 stop26h 20m
Singapore Airlines
Deal found 19/5$1,646
Fri 30/1018:20
CNS
-
USM
1 stop25h 50m
Singapore Airlines
Tue 3/1119:45
USM
-
CNS
1 stop18h 35m
Singapore Airlines
Deal found 16/5$1,652
Fri 23/1018:15
CNS
-
USM
1 stop16h 30m
Singapore Airlines
Tue 27/1008:55
USM
-
CNS
1 stop29h 25m
Singapore Airlines
Deal found 18/5$1,653
Fri 30/1018:20
CNS
-
USM
1 stop16h 40m
Singapore Airlines
Tue 3/1108:55
USM
-
CNS
1 stop29h 25m
Singapore Airlines
Deal found 15/5$1,654
Fri 30/1018:20
CNS
-
USM
1 stop16h 40m
Singapore Airlines
Tue 3/1112:00
USM
-
CNS
1 stop26h 20m
Singapore Airlines
Deal found 17/5$1,722

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