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

Return flights

03 Sep - 09 Sep	Jetstar
03 Sep - 15 Sep	Jetstar
11 Sep - 15 Sep	China Airlines
04 Sep - 13 Sep	China Airlines
04 Sep - 15 Sep	China Airlines
04 Sep - 11 Sep	China Airlines
11 Sep - 18 Sep	China Airlines
06 Sep - 18 Oct	Air China
09 Sep - 20 Sep	China Airlines
05 Sep - 15 Sep	China Airlines
09 Sep - 24 Sep	China Airlines
17 Sep - 21 Oct	Jetstar
17 Sep - 07 Oct	Jetstar
17 Sep - 01 Oct	Jetstar
23 Sep - 02 Oct	China Airlines
25 Sep - 02 Oct	China Airlines
20 Sep - 04 Oct	China Airlines
22 Sep - 02 Oct	Emirates

Also check the deals for one-way flights from Auckland 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 Auckland to Bangkok in September from $463

Return flights