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

Return flights

07 Dec - 12 Dec	Jetstar
07 Dec - 14 Dec	Jetstar
01 Dec - 07 Dec	Jetstar
08 Dec - 13 Dec	Jetstar
08 Dec - 14 Dec	Jetstar
06 Dec - 13 Dec	Jetstar
05 Dec - 23 Dec	Jetstar
03 Dec - 17 Dec	Jetstar
11 Dec - 14 Dec	Jetstar
07 Dec - 15 Dec	Jetstar
04 Dec - 23 Jan	Jetstar
16 Dec - 07 Jan	Jetstar
12 Dec - 12 Jan	Jetstar
10 Dec - 18 Jan	Jetstar
08 Dec - 25 Jan	Jetstar
24 Dec - 29 Jan	Jetstar
14 Dec - 12 Jan	Jetstar
19 Dec - 13 Jan	Jetstar
31 Dec - 21 Jan	Jetstar
24 Dec - 05 Jan	Jetstar

Also check the deals for one-way flights from Avalon to Seoul 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 Avalon to Seoul in December from 576€

Return flights