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

Return flights

11 Sep - 17 Sep	China Airlines
07 Sep - 17 Sep	China Airlines
07 Sep - 19 Sep	China Airlines
09 Sep - 17 Sep	China Airlines
20 Sep - 29 Sep	Finnair
09 Sep - 16 Sep	China Airlines
10 Sep - 25 Sep	Finnair
02 Sep - 14 Sep	Finnair
11 Sep - 15 Sep	Finnair
22 Sep - 06 Oct	Finnair
04 Sep - 03 Oct	Finnair
08 Sep - 28 Sep	Finnair
02 Sep - 02 Oct	Finnair
30 Sep - 19 Oct	Finnair
16 Sep - 03 Oct	Finnair
20 Sep - 05 Oct	Finnair
05 Sep - 14 Oct	Finnair
24 Sep - 03 Oct	Finnair
02 Sep - 14 Oct	China Airlines
26 Sep - 24 Oct	China Airlines

Also check the deals for one-way flights from Auckland to London 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 London in September from 955€

Return flights