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

Return flights

06 Sep - 15 Sep	Jetstar
15 Sep - 22 Sep	Jetstar
13 Sep - 24 Sep	Jetstar
15 Sep - 29 Sep	Jetstar
08 Sep - 15 Sep	Qantas
09 Sep - 26 Sep	Jetstar
06 Sep - 13 Sep	Emirates
09 Sep - 05 Oct	Jetstar
08 Sep - 29 Sep	Air New Zealand
15 Sep - 30 Sep	Jetstar
18 Sep - 27 Sep	Emirates
25 Sep - 05 Oct	Jetstar
13 Sep - 02 Oct	Jetstar

Also check the deals for one-way flights from Christchurch to Bangkok in September.

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 September from 532€

Return flights