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

Return flights

25 Sep - 12 Oct	Fiji Airways
08 Sep - 11 Sep	Jetstar
08 Sep - 25 Sep	Fiji Airways
08 Sep - 24 Sep	Fiji Airways
18 Sep - 18 Oct	Scoot
08 Sep - 01 Oct	Jetstar
08 Sep - 23 Sep	Fiji Airways
08 Sep - 28 Sep	Jetstar
01 Sep - 15 Sep	Jetstar
11 Sep - 25 Sep	Fiji Airways
08 Sep - 26 Sep	VietJet Air
19 Sep - 12 Oct	Scoot
18 Sep - 25 Sep	Fiji Airways
19 Sep - 11 Oct	Scoot
08 Sep - 17 Sep	Fiji Airways
01 Sep - 24 Oct	Qantas
30 Sep - 08 Oct	Jetstar
29 Sep - 06 Oct	VietJet Air
28 Sep - 05 Oct	Scoot
25 Sep - 25 Oct	Qantas

Also check the deals for one-way flights from Singapore to Auckland 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 Singapore to Auckland in September from 506€

Return flights