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

Return flights

03 Dec - 10 Dec	Wizz Air Malta
06 Dec - 14 Dec	Ryanair
04 Dec - 15 Dec	Ryanair
01 Dec - 16 Dec	Ryanair
04 Dec - 08 Dec	Wizz Air Malta
01 Dec - 12 Dec	Ryanair
06 Dec - 13 Dec	Ryanair
07 Dec - 12 Dec	Ryanair
06 Dec - 20 Dec	Ryanair
12 Dec - 19 Dec	Ryanair
31 Dec - 09 Jan	Ryanair
28 Dec - 25 Jan	Ryanair
15 Dec - 12 Jan	Ryanair
22 Dec - 06 Jan	Ryanair
28 Dec - 08 Jan	Ryanair
23 Dec - 03 Jan	Ryanair
26 Dec - 11 Jan	Ryanair
27 Dec - 06 Jan	Ryanair
30 Dec - 08 Jan	Wizz Air Malta
22 Dec - 02 Jan	Ryanair

Also check the deals for one-way flights from Treviso 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 Treviso to Seoul in December from 511€

Return flights