Cheapest return flights from Bangkok to Sydney in December from $406

Best time to book flights for Bangkok (BKK) to Sydney (SYD) flights at AirHint

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

Return flights

04 Dec - 15 Jan Scoot Tigerair
13 Dec - 23 Jan Scoot Tigerair
20 Dec - 17 Jan Scoot Tigerair
20 Dec - 20 Jan Scoot Tigerair
24 Dec - 07 Jan Scoot Tigerair
01 Dec - 07 Dec Scoot Tigerair
03 Dec - 04 Dec Scoot Tigerair
25 Dec - 31 Dec Xiamen Airlines
21 Dec - 26 Dec Xiamen Airlines
25 Dec - 30 Dec Xiamen Airlines
19 Dec - 31 Dec Xiamen Airlines
19 Dec - 28 Dec Xiamen Airlines
18 Dec - 27 Dec Xiamen Airlines
25 Dec - 03 Jan Xiamen Airlines
29 Dec - 05 Jan Jetstar
24 Dec - 31 Dec Scoot Tigerair
20 Dec - 28 Dec Xiamen Airlines
18 Dec - 10 Jan China Southern
26 Dec - 03 Jan Scoot Tigerair
28 Dec - 03 Jan Scoot Tigerair

Also check the deals for one-way flights from Bangkok to Sydney in December.

Skyscanner

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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