AirHint found the following cheapest return flights from Cairns (CNS) to Singapore (SIN) in May 2026 (see full year).

Return flights

04 May - 24 May	Jetstar
13 May - 28 May	Jetstar
17 May - 25 May	Jetstar
08 May - 17 May	Jetstar
13 May - 29 May	Jetstar
14 May - 30 May	Jetstar
15 May - 30 May	Jetstar
13 May - 30 May	Jetstar
11 May - 30 May	Jetstar
06 May - 20 May	Jetstar
22 May - 10 Jun	Singapore Airlines	direct
20 May - 10 Jun	Singapore Airlines	direct
21 May - 10 Jun	Qantas

Also check the deals for one-way flights from Cairns to Singapore in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Cairns to Singapore in May from 412€

Return flights