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

Return flights

03 Dec - 28 Dec	China Southern
27 Dec - 03 Jan	China Southern
18 Dec - 07 Jan	Qantas
13 Dec - 12 Jan	China Southern
20 Dec - 10 Jan	Cathay Pacific
15 Dec - 23 Jan	British Airways
19 Dec - 17 Jan	Cathay Pacific
22 Dec - 10 Jan	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 $1654

Return flights