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

Return flights

03 Dec - 17 Dec	Jetstar
07 Dec - 14 Dec	Jetstar
10 Dec - 16 Dec	Jetstar
01 Dec - 08 Dec	Jetstar
04 Dec - 08 Dec	Jetstar
09 Dec - 29 Dec	Jetstar
06 Dec - 11 Dec	Jetstar
01 Dec - 05 Dec	Jetstar
01 Dec - 07 Dec	Jetstar
02 Dec - 20 Jan	Jetstar
10 Dec - 24 Jan	Jetstar
09 Dec - 11 Jan	Jetstar
13 Dec - 24 Dec	Jetstar
11 Dec - 07 Jan	Jetstar
12 Dec - 19 Jan	Jetstar
24 Dec - 23 Jan	Jetstar
17 Dec - 20 Jan	Jetstar
25 Dec - 01 Jan	Indonesia AirAsia
28 Dec - 12 Jan	Jetstar
25 Dec - 07 Jan	Jetstar

Also check the deals for one-way flights from Adelaide 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 Adelaide to Bangkok in December from 536€

Return flights