AirHint found the following cheapest return flights from Auckland (AKL) to Singapore (SIN) in September 2025 (see full year).

Return flights

07 Sep - 15 Sep	Jetstar
08 Sep - 17 Sep	Jetstar
01 Sep - 08 Sep	Jetstar
15 Sep - 22 Sep	Jetstar
05 Sep - 11 Sep	Hainan Airlines
16 Sep - 14 Oct	Jetstar
25 Sep - 11 Oct	Jetstar
17 Sep - 27 Sep	Jetstar
05 Sep - 12 Sep	China Airlines
01 Sep - 10 Sep	Jetstar
01 Sep - 11 Sep	British Airways
01 Sep - 13 Sep	British Airways
22 Sep - 04 Oct	Jetstar
16 Sep - 14 Oct	Singapore Airlines	direct
27 Sep - 04 Oct	China Southern

Also check the deals for one-way flights from Auckland to Singapore in September.

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 Auckland to Singapore in September from $593

Return flights