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

Return flights

17 Dec - 12 Jan	China Southern
05 Dec - 19 Jan	Jetstar
23 Dec - 30 Dec	China Southern
29 Dec - 22 Jan	Emirates
25 Dec - 14 Jan	Jetstar
03 Dec - 11 Dec	Emirates
18 Dec - 20 Dec	Qantas
29 Dec - 21 Jan	Emirates
30 Dec - 21 Jan	Emirates
13 Dec - 12 Jan	China Southern
02 Dec - 10 Dec	Emirates
03 Dec - 28 Dec	Emirates
28 Dec - 21 Jan	Emirates
28 Dec - 22 Jan	Emirates
27 Dec - 21 Jan	Emirates
06 Dec - 13 Dec	Emirates
09 Dec - 16 Dec	Emirates
11 Dec - 18 Dec	Emirates
09 Dec - 17 Dec	Emirates
09 Dec - 18 Dec	Emirates

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 $1631

Return flights