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

Return flights

04 Sep - 11 Sep	KLM
04 Sep - 16 Sep	KLM
17 Sep - 20 Sep	KLM
16 Sep - 23 Sep	Lufthansa
02 Sep - 09 Sep	KLM
10 Sep - 17 Sep	SWISS
04 Sep - 18 Sep	KLM
23 Sep - 30 Sep	SWISS
08 Sep - 15 Sep	KLM
02 Sep - 16 Sep	KLM
30 Sep - 07 Oct	SWISS
29 Sep - 06 Oct	SWISS
24 Sep - 01 Oct	SWISS
25 Sep - 02 Oct	SWISS
02 Sep - 19 Oct	KLM
30 Sep - 14 Oct	Condor
02 Sep - 28 Oct	British Airways
16 Sep - 27 Oct	British Airways
20 Sep - 22 Oct	SWISS
23 Sep - 30 Oct	British Airways

Also check the deals for one-way flights from London 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 London to Auckland in September from $1918

Return flights