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

Return flights

07 Dec - 12 Dec	Jetstar
26 Dec - 29 Jan	China Southern
10 Dec - 17 Dec	Jetstar
30 Dec - 31 Dec	Jetstar
27 Dec - 28 Jan	China Southern
29 Dec - 07 Jan	China Southern
28 Dec - 05 Jan	China Southern
22 Dec - 28 Jan	China Southern
18 Dec - 08 Jan	China Southern
14 Dec - 19 Dec	Jetstar
11 Dec - 18 Dec	Jetstar
27 Dec - 11 Jan	China Southern
27 Dec - 09 Jan	China Southern
29 Dec - 02 Jan	China Southern
15 Dec - 29 Dec	China Southern
08 Dec - 05 Jan	China Southern
16 Dec - 23 Dec	Jetstar
12 Dec - 19 Dec	Qantas

Also check the deals for one-way flights from Christchurch to Bangkok 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 Bangkok in December from 950€

Return flights