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

Return flights

05 Dec - 12 Dec	United
05 Dec - 19 Jan	Air New Zealand
27 Dec - 10 Jan	China Southern
26 Dec - 26 Jan	China Southern
05 Dec - 02 Jan	United
01 Dec - 22 Jan	China Southern
03 Dec - 28 Dec	China Southern
03 Dec - 08 Jan	China Southern
25 Dec - 06 Jan	China Southern
17 Dec - 30 Dec	Jetstar
17 Dec - 07 Jan	Jetstar
18 Dec - 30 Dec	Air New Zealand
16 Dec - 31 Dec	Jetstar
01 Dec - 08 Jan	China Southern
25 Dec - 01 Jan	China Southern
23 Dec - 30 Dec	China Southern
18 Dec - 25 Dec	Air New Zealand
16 Dec - 23 Dec	Jetstar
04 Dec - 11 Dec	British Airways
30 Dec - 31 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 $1469

Return flights