AirHint found the following cheapest return flights from Cairns (CNS) to Singapore (SIN) in May 2026 (see full year).
Return flights
| 13 May - 31 May | Jetstar | ||
| 14 May - 30 May | Jetstar | ||
| 13 May - 31 May | Singapore Airlines | direct | |
| 23 May - 31 May | Indonesia AirAsia | ||
| 14 May - 31 May | Indonesia AirAsia | ||
| 23 May - 07 Jun | Indonesia AirAsia |
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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