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

Return flights

08 Dec - 24 Jan	British Airways
01 Dec - 08 Dec	China Southern
03 Dec - 26 Dec	United
05 Dec - 25 Dec	United
04 Dec - 08 Jan	United
01 Dec - 15 Jan	United
03 Dec - 17 Jan	United
01 Dec - 15 Dec	China Southern
25 Dec - 18 Jan	British Airways
26 Dec - 18 Jan	British Airways
02 Dec - 17 Dec	Air China
06 Dec - 22 Jan	United
13 Dec - 28 Dec	China Southern
17 Dec - 18 Jan	British Airways
27 Dec - 18 Jan	British Airways
28 Dec - 18 Jan	British Airways
23 Dec - 30 Dec	Qatar Airways
03 Dec - 17 Dec	United
18 Dec - 25 Dec	Air China
10 Dec - 31 Dec	China Southern

Also check the deals for one-way flights from Auckland to London 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 Auckland to London in December from $1452

Return flights