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

Return flights

01 Dec - 09 Dec	Lufthansa
16 Dec - 25 Dec	Finnair
15 Dec - 25 Dec	Finnair
17 Dec - 26 Dec	Etihad Airways
18 Dec - 27 Dec	Etihad Airways
13 Dec - 20 Dec	LOT
16 Dec - 26 Dec	Etihad Airways
19 Dec - 28 Dec	Finnair

Also check the deals for one-way flights from Seoul to Vilnius 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 Seoul to Vilnius in December from $580

Return flights