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

Return flights

11 Dec - 14 Jan	ITA Airways
09 Dec - 29 Jan	British Airways
03 Dec - 10 Dec	SWISS
09 Dec - 14 Jan	British Airways
03 Dec - 20 Jan	SWISS
02 Dec - 09 Dec	SWISS
24 Dec - 19 Jan	British Airways
02 Dec - 30 Dec	British Airways
04 Dec - 09 Dec	British Airways
24 Dec - 29 Jan	British Airways
05 Dec - 30 Dec	SWISS
08 Dec - 14 Jan	British Airways
11 Dec - 15 Jan	SWISS
01 Dec - 08 Dec	British Airways
01 Dec - 29 Dec	British Airways
01 Dec - 09 Dec	British Airways
09 Dec - 30 Dec	British Airways
07 Dec - 14 Dec	SWISS
24 Dec - 14 Jan	British Airways
03 Dec - 21 Jan	KLM

Also check the deals for one-way flights from London to Auckland in December.

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 December from $1633

Return flights