AirHint found the following cheapest return flights from Adelaide (ADL) to Singapore (SIN) in December 2026 (see full year).

Return flights

09 Dec - 16 Dec	Jetstar
13 Dec - 20 Dec	Jetstar
16 Dec - 23 Dec	Jetstar
09 Dec - 09 Jan	Jetstar
08 Dec - 09 Jan	Jetstar
10 Dec - 09 Jan	Jetstar
09 Dec - 22 Jan	Jetstar
09 Dec - 20 Jan	Jetstar
05 Dec - 18 Jan	Jetstar
17 Dec - 31 Dec	Jetstar
11 Dec - 21 Jan	Jetstar
13 Dec - 23 Jan	Jetstar
26 Dec - 03 Jan	Jetstar
15 Dec - 13 Jan	Jetstar
02 Dec - 15 Dec	Cathay Pacific
13 Dec - 20 Dec	Singapore Airlines	direct
17 Dec - 31 Dec	Singapore Airlines	direct
01 Dec - 14 Dec	Singapore Airlines
01 Dec - 17 Dec	Singapore Airlines
02 Dec - 14 Dec	Singapore Airlines

Also check the deals for one-way flights from Adelaide to Singapore 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 Singapore in December from 380€

Return flights