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

Return flights

09 Dec - 22 Jan	easyJet
08 Dec - 22 Jan	easyJet
06 Dec - 15 Jan	Ryanair
08 Dec - 15 Jan	easyJet
08 Dec - 16 Jan	easyJet
27 Dec - 22 Jan	Ryanair
16 Dec - 22 Jan	Ryanair
08 Dec - 19 Jan	easyJet
10 Dec - 22 Jan	Ryanair
22 Dec - 22 Jan	Ryanair
05 Dec - 09 Dec	Ryanair
05 Dec - 25 Dec	Ryanair
02 Dec - 09 Dec	Ryanair
04 Dec - 09 Dec	easyJet
09 Dec - 23 Dec	easyJet
08 Dec - 26 Dec	easyJet
16 Dec - 29 Dec	Ryanair
12 Dec - 26 Dec	Ryanair
10 Dec - 24 Dec	Ryanair
13 Dec - 25 Dec	Ryanair

Also check the deals for one-way flights from London to Christchurch 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 London to Christchurch in December from $1176

Return flights