AirHint found the following cheapest one-way flights from Sydney (SYD) to Bangkok (BKK) in December 2025 (see full year).
One-Way flights
| 01 Dec | Jetstar | ||
| 05 Dec | Virgin Australia | ||
| 08 Dec | Scoot | ||
| 07 Dec | Scoot | ||
| 06 Dec | Scoot | ||
| 09 Dec | Batik Air Malaysia | ||
| 04 Dec | Batik Air Malaysia | ||
| 10 Dec | Scoot | ||
| 31 Dec | AirAsia X | ||
| 18 Dec | Jetstar |
Also check the deals for return flights from Sydney to Bangkok in December.
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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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