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

Return flights

10 Dec - 13 Jan	Jetstar
10 Dec - 14 Jan	Jetstar
18 Dec - 14 Jan	Jetstar
09 Dec - 11 Dec	Jetstar
17 Dec - 18 Dec	Jetstar
18 Dec - 13 Jan	Jetstar
06 Dec - 07 Dec	Jetstar
13 Dec - 16 Dec	Jetstar
06 Dec - 08 Dec	Jetstar
31 Dec - 07 Jan	Virgin Australia
13 Dec - 14 Dec	Jetstar
18 Dec - 22 Dec	Jetstar
05 Dec - 14 Dec	Jetstar
15 Dec - 22 Dec	Jetstar
05 Dec - 07 Dec	Jetstar
26 Dec - 02 Jan	Jetstar
19 Dec - 10 Jan	Jetstar

Also check the deals for one-way flights from Adelaide to Avalon 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 Avalon in December from 224€

Return flights