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

Return flights

25 Dec - 31 Dec	China Southern
26 Dec - 23 Jan	China Southern
25 Dec - 14 Jan	China Southern
06 Dec - 31 Dec	China Southern
18 Dec - 12 Jan	China Southern
18 Dec - 08 Jan	China Southern
22 Dec - 02 Jan	China Southern
23 Dec - 30 Dec	China Southern
18 Dec - 23 Jan	China Southern
06 Dec - 16 Dec	China Southern
13 Dec - 11 Jan	China Southern
21 Dec - 22 Jan	China Southern
07 Dec - 14 Dec	United
06 Dec - 13 Dec	China Southern
25 Dec - 15 Jan	China Southern
27 Dec - 10 Jan	China Southern
09 Dec - 16 Dec	Jetstar
08 Dec - 27 Dec	China Southern
10 Dec - 31 Dec	Jetstar
06 Dec - 17 Dec	China Southern

Also check the deals for one-way flights from Christchurch 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 Christchurch to London in December from 1246€

Return flights