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

Return flights

05 Sep - 09 Sep	Jetstar
05 Sep - 16 Sep	Jetstar
11 Sep - 21 Sep	Jetstar
04 Sep - 11 Sep	China Southern
07 Sep - 16 Sep	Jetstar
06 Sep - 15 Sep	Jetstar
05 Sep - 11 Sep	Jetstar
11 Sep - 28 Sep	Jetstar
06 Sep - 11 Sep	China Southern
12 Sep - 22 Sep	China Southern
08 Sep - 20 Oct	Jetstar
14 Sep - 08 Oct	China Southern
10 Sep - 09 Oct	China Southern
28 Sep - 22 Oct	Jetstar
24 Sep - 24 Oct	China Southern
21 Sep - 08 Oct	China Southern
18 Sep - 10 Oct	China Southern
08 Sep - 19 Oct	China Southern
25 Sep - 18 Oct	China Southern
27 Sep - 11 Oct	China Southern

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 $691

Return flights